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class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="en" dir="ltr"><div class="shortdescription nomobile noexcerpt noprint searchaux" style="display:none">British telecommunications company</div> <p class="mw-empty-elt"> </p> <style data-mw-deduplicate="TemplateStyles:r1257001546">.mw-parser-output .infobox-subbox{padding:0;border:none;margin:-3px;width:auto;min-width:100%;font-size:100%;clear:none;float:none;background-color:transparent}.mw-parser-output .infobox-3cols-child{margin:auto}.mw-parser-output .infobox .navbar{font-size:100%}@media screen{html.skin-theme-clientpref-night .mw-parser-output .infobox-full-data:not(.notheme)>div:not(.notheme)[style]{background:#1f1f23!important;color:#f8f9fa}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .infobox-full-data:not(.notheme) div:not(.notheme){background:#1f1f23!important;color:#f8f9fa}}@media(min-width:640px){body.skin--responsive .mw-parser-output .infobox-table{display:table!important}body.skin--responsive .mw-parser-output .infobox-table>caption{display:table-caption!important}body.skin--responsive .mw-parser-output .infobox-table>tbody{display:table-row-group}body.skin--responsive .mw-parser-output .infobox-table tr{display:table-row!important}body.skin--responsive .mw-parser-output .infobox-table th,body.skin--responsive .mw-parser-output .infobox-table td{padding-left:inherit;padding-right:inherit}}</style><style data-mw-deduplicate="TemplateStyles:r1242257876">.mw-parser-output .ib-company .infobox-label{padding-right:0.5em}.mw-parser-output .ib-company .infobox-data,.mw-parser-output .ib-company .infobox-below{line-height:1.35em}.mw-parser-output .ib-company-logo img{background-color:#f8f9fa}.mw-parser-output .ib-company-locality,.mw-parser-output .ib-company-country{display:inline}</style><table class="infobox ib-company vcard"><caption class="infobox-title fn org">Spirent Communications plc</caption><tbody><tr><td colspan="2" class="infobox-image ib-company-logo logo"><span class="mw-default-size" typeof="mw:File/Frameless"><a href="/wiki/File:RGB_Spirent_logo_TM_Digital_Blue.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/2/2a/RGB_Spirent_logo_TM_Digital_Blue.svg/220px-RGB_Spirent_logo_TM_Digital_Blue.svg.png" decoding="async" width="220" height="55" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/2/2a/RGB_Spirent_logo_TM_Digital_Blue.svg/330px-RGB_Spirent_logo_TM_Digital_Blue.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/2/2a/RGB_Spirent_logo_TM_Digital_Blue.svg/440px-RGB_Spirent_logo_TM_Digital_Blue.svg.png 2x" data-file-width="512" data-file-height="127" /></a></span></td></tr><tr><th scope="row" class="infobox-label">Company type</th><td class="infobox-data category"><a href="/wiki/Public_limited_company" title="Public limited company">Public</a></td></tr><tr><th scope="row" class="infobox-label"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/Ticker_symbol" title="Ticker symbol">Traded as</a></div></th><td class="infobox-data"><style data-mw-deduplicate="TemplateStyles:r1126788409">.mw-parser-output .plainlist ol,.mw-parser-output .plainlist ul{line-height:inherit;list-style:none;margin:0;padding:0}.mw-parser-output .plainlist ol li,.mw-parser-output .plainlist ul li{margin-bottom:0}</style><div class="plainlist"><ul><li><a href="/wiki/London_Stock_Exchange" title="London Stock Exchange">LSE</a>: <a rel="nofollow" class="external text" href="https://www.londonstockexchange.com/stock/SPT//">SPT</a></li><li><a href="/wiki/FTSE_250_Index" title="FTSE 250 Index">FTSE 250</a> component</li></ul></div></td></tr><tr><th scope="row" class="infobox-label">Industry</th><td class="infobox-data category"><a href="/wiki/Telecommunications" title="Telecommunications">Telecommunications</a></td></tr><tr><th scope="row" class="infobox-label">Founded</th><td class="infobox-data">1936<span class="noprint">; 88 years ago</span><span style="display:none"> (<span class="bday dtstart published updated">1936</span>)</span></td></tr><tr><th scope="row" class="infobox-label">Headquarters</th><td class="infobox-data label"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1126788409"><div class="plainlist"><ul><li><a href="/wiki/Crawley" title="Crawley">Crawley</a>, West Sussex, United Kingdom (corporate)</li><li><a href="/wiki/San_Jose,_California" title="San Jose, California">San Jose, California</a>, United States (operational)</li></ul></div></td></tr><tr><th scope="row" class="infobox-label"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;">Key people</div></th><td class="infobox-data agent"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1126788409"><div class="plainlist"><ul><li><a href="/wiki/Bill_Thomas_(businessman)" title="Bill Thomas (businessman)">Bill Thomas</a> (<a href="/wiki/Chairman" class="mw-redirect" title="Chairman">chairman</a>)</li><li>Eric Updyke (CEO)</li><li>Paula Bell (CFO)</li></ul></div></td></tr><tr><th scope="row" class="infobox-label">Products</th><td class="infobox-data">Network <a href="/wiki/Diagnostic_program" title="Diagnostic program">diagnostics</a></td></tr><tr><th scope="row" class="infobox-label">Revenue</th><td class="infobox-data"><span class="nowrap"><span typeof="mw:File"><span title="Decrease"><img alt="Decrease" src="//upload.wikimedia.org/wikipedia/commons/thumb/e/ed/Decrease2.svg/11px-Decrease2.svg.png" decoding="async" width="11" height="11" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/ed/Decrease2.svg/17px-Decrease2.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/ed/Decrease2.svg/22px-Decrease2.svg.png 2x" data-file-width="300" data-file-height="300" /></span></span> <a href="/wiki/US_dollar" class="mw-redirect" title="US dollar">US$</a>474.3 million (2023)<sup id="cite_ref-results_1-0" class="reference"><a href="#cite_note-results-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup></span></td></tr><tr><th scope="row" class="infobox-label"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/Earnings_before_interest_and_taxes" title="Earnings before interest and taxes">Operating income</a></div></th><td class="infobox-data"><span typeof="mw:File"><span title="Decrease"><img alt="Decrease" src="//upload.wikimedia.org/wikipedia/commons/thumb/e/ed/Decrease2.svg/11px-Decrease2.svg.png" decoding="async" width="11" height="11" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/ed/Decrease2.svg/17px-Decrease2.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/ed/Decrease2.svg/22px-Decrease2.svg.png 2x" data-file-width="300" data-file-height="300" /></span></span> US$45.2 million (2023)<sup id="cite_ref-results_1-1" class="reference"><a href="#cite_note-results-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup></td></tr><tr><th scope="row" class="infobox-label"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/Net_income" title="Net income">Net income</a></div></th><td class="infobox-data"><span typeof="mw:File"><span title="Decrease"><img alt="Decrease" src="//upload.wikimedia.org/wikipedia/commons/thumb/e/ed/Decrease2.svg/11px-Decrease2.svg.png" decoding="async" width="11" height="11" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/ed/Decrease2.svg/17px-Decrease2.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/ed/Decrease2.svg/22px-Decrease2.svg.png 2x" data-file-width="300" data-file-height="300" /></span></span> US$25.2 million (2023)<sup id="cite_ref-results_1-2" class="reference"><a href="#cite_note-results-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup></td></tr><tr><th scope="row" class="infobox-label"><span class="nowrap"><a href="/wiki/Asset" title="Asset">Total assets</a></span></th><td class="infobox-data"><span typeof="mw:File"><span title="Decrease"><img alt="Decrease" src="//upload.wikimedia.org/wikipedia/commons/thumb/e/ed/Decrease2.svg/11px-Decrease2.svg.png" decoding="async" width="11" height="11" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/ed/Decrease2.svg/17px-Decrease2.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/ed/Decrease2.svg/22px-Decrease2.svg.png 2x" data-file-width="300" data-file-height="300" /></span></span> US$583.8 million (2023)<sup id="cite_ref-results_1-3" class="reference"><a href="#cite_note-results-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup></td></tr><tr><th scope="row" class="infobox-label"><span class="nowrap"><a href="/wiki/Equity_(finance)" title="Equity (finance)">Total equity</a></span></th><td class="infobox-data"><span typeof="mw:File"><span title="Decrease"><img alt="Decrease" src="//upload.wikimedia.org/wikipedia/commons/thumb/e/ed/Decrease2.svg/11px-Decrease2.svg.png" decoding="async" width="11" height="11" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/ed/Decrease2.svg/17px-Decrease2.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/ed/Decrease2.svg/22px-Decrease2.svg.png 2x" data-file-width="300" data-file-height="300" /></span></span> US$375.8 million (2023)<sup id="cite_ref-results_1-4" class="reference"><a href="#cite_note-results-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup></td></tr><tr><th scope="row" class="infobox-label"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;">Number of employees</div></th><td class="infobox-data">1,500 (2024)<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup></td></tr><tr><th scope="row" class="infobox-label">Website</th><td class="infobox-data"><span class="url"><a rel="nofollow" class="external text" href="https://spirent.com">spirent<wbr />.com</a></span></td></tr></tbody></table> <p><b>Spirent Communications plc</b> is a British <a href="/wiki/Multinational_corporation" title="Multinational corporation">multinational</a> <a href="/wiki/Telecommunications" title="Telecommunications">telecommunications</a> testing company headquartered in <a href="/wiki/Crawley" title="Crawley">Crawley</a>, West Sussex, in the United Kingdom. It is listed on the <a href="/wiki/London_Stock_Exchange" title="London Stock Exchange">London Stock Exchange</a> and is a constituent of the <a href="/wiki/FTSE_250_Index" title="FTSE 250 Index">FTSE 250 Index</a>. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="History">History</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Spirent&action=edit&section=1" title="Edit section: History"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The company was founded by <a href="/wiki/Jack_Bowthorpe" title="Jack Bowthorpe">Jack Bowthorpe</a> in 1936 as Goodliffe Electric Supplies. In 1949 it changed its name to Bowthorpe. It acquired Optima Electronics in 1987 and disposed of its defence businesses in 1990. The company's electronics business grew rapidly during the <a href="/wiki/Dot-com_bubble" title="Dot-com bubble">dot-com boom</a> of the 1990s, with the 1995 purchase of Telecom Analysis Systems (located in <a href="/wiki/Eatontown,_New_Jersey" title="Eatontown, New Jersey">Eatontown, New Jersey</a>) and the 1997 purchase of businesses such as Adtech, a digital test equipment concern based in Hawaii<sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> and the company was a member of the <a href="/wiki/FTSE_100" class="mw-redirect" title="FTSE 100">FTSE 100</a> index from time to time. It disposed of its automotive industry businesses in 1999, the same year that it bought Netcom Systems, a US <a href="/wiki/Telecoms" class="mw-redirect" title="Telecoms">telecoms</a> <a href="/wiki/Software_testing" title="Software testing">testing</a> business which makes network equipment testers,<sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> and DLS, a Canadian <a href="/wiki/Telecoms" class="mw-redirect" title="Telecoms">telecoms</a> <a href="/wiki/Software_testing" title="Software testing">testing</a> business.<sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> In 2000 it also bought Hekimian, a major <a href="/wiki/Operations_Support_Systems" class="mw-redirect" title="Operations Support Systems">Operations Support Systems</a> business,<sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> Zarak Systems, another communications software business<sup id="cite_ref-7" class="reference"><a href="#cite_note-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> and Net-Hopper, an access systems specialist.<sup id="cite_ref-8" class="reference"><a href="#cite_note-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup> </p><p>In 2000 it changed its name to Spirent. The name is derived from the words "in<b>spire</b>d in<b>n</b>ova<b>t</b>ion."<sup id="cite_ref-9" class="reference"><a href="#cite_note-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup> </p><p>It acquired Caw Networks, a <a href="/wiki/Santa_Clara,_California" title="Santa Clara, California">Santa Clara</a> company which makes network performance testing appliances including Avalanche, in 2002,<sup id="cite_ref-10" class="reference"><a href="#cite_note-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup> Scientific Software Engineering, a United States–based developer of software including Landslide for testing the performance and functionality of wireless network infrastructure, in 2006,<sup id="cite_ref-11" class="reference"><a href="#cite_note-11"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup> Imperfect Networks, an IDS/IPS testing company, in 2006,<sup id="cite_ref-12" class="reference"><a href="#cite_note-12"><span class="cite-bracket">[</span>12<span class="cite-bracket">]</span></a></sup> and <a href="/wiki/Fanfare_(company)" title="Fanfare (company)">Fanfare Software</a>, a United States–based developer of the <i>iTest</i> automation software, in 2011.<sup id="cite_ref-13" class="reference"><a href="#cite_note-13"><span class="cite-bracket">[</span>13<span class="cite-bracket">]</span></a></sup> </p><p>It went on to buy <a href="/wiki/Mu_Dynamics" class="mw-redirect" title="Mu Dynamics">Mu Dynamics</a>, a <a href="/wiki/Sunnyvale,_California" title="Sunnyvale, California">Sunnyvale</a> company which makes cloud and app testing products such as Blitz,<sup id="cite_ref-14" class="reference"><a href="#cite_note-14"><span class="cite-bracket">[</span>14<span class="cite-bracket">]</span></a></sup> and Metrico Wireless, a company involved in mobile device performance analytics for wireless service providers, OEMs and corporate enterprises based in <a href="/wiki/Frederick,_Maryland" title="Frederick, Maryland">Frederick, Maryland</a>, in 2012.<sup id="cite_ref-15" class="reference"><a href="#cite_note-15"><span class="cite-bracket">[</span>15<span class="cite-bracket">]</span></a></sup> </p><p>In July 2014, Spirent acquired <a href="/wiki/Radvision" title="Radvision">Radvision</a>'s Technology Business Unit from <a href="/wiki/Avaya" title="Avaya">Avaya</a>. Radvision a company based in <a href="/wiki/Tel_Aviv" title="Tel Aviv">Tel Aviv</a>, Israel, offers development and test suites for voice and video over IP communications.<sup id="cite_ref-16" class="reference"><a href="#cite_note-16"><span class="cite-bracket">[</span>16<span class="cite-bracket">]</span></a></sup> </p><p>In September 2014, Spirent announced that it acquired Mobilethink A/S and its wholly owned subsidiary, Tweakker ApS, a provider of mobile device management for mobile operators.<sup id="cite_ref-17" class="reference"><a href="#cite_note-17"><span class="cite-bracket">[</span>17<span class="cite-bracket">]</span></a></sup> </p><p>In March 2016, Spirent announced that it had acquired Testing Technologies, a developer of test automation software for the automotive and IoT industries based in <a href="/wiki/Berlin" title="Berlin">Berlin</a>.<sup id="cite_ref-18" class="reference"><a href="#cite_note-18"><span class="cite-bracket">[</span>18<span class="cite-bracket">]</span></a></sup> </p><p>In July 2017, both the Tel Aviv operations and Mobilethink were divested by way of a <a href="/wiki/Management_buyout" title="Management buyout">management buyout</a> into a separate company, Softil.<sup id="cite_ref-19" class="reference"><a href="#cite_note-19"><span class="cite-bracket">[</span>19<span class="cite-bracket">]</span></a></sup> </p><p>In March 2021, Spirent acquired octoScope, a company based in <a href="/wiki/Littleton,_Massachusetts" title="Littleton, Massachusetts">Littleton, Massachusetts</a> that offers solutions for automated Wi-Fi and 5G testing in emulated real-world environments.<sup id="cite_ref-20" class="reference"><a href="#cite_note-20"><span class="cite-bracket">[</span>20<span class="cite-bracket">]</span></a></sup> </p><p>In September 2023, Spirent acquired the Test Lab Automation business of <a href="/wiki/NetScout_Systems" title="NetScout Systems">Netscout Systems</a>.<sup id="cite_ref-21" class="reference"><a href="#cite_note-21"><span class="cite-bracket">[</span>21<span class="cite-bracket">]</span></a></sup> </p><p>The board of the company accepted a £1 billion takeover offer from <a href="/wiki/Viavi_Solutions" title="Viavi Solutions">Viavi Solutions</a> in March 2024,<sup id="cite_ref-22" class="reference"><a href="#cite_note-22"><span class="cite-bracket">[</span>22<span class="cite-bracket">]</span></a></sup> but was subsequently outbid by <a href="/wiki/Keysight" title="Keysight">Keysight</a> with a £1.16 billion offer later that month. This led Spirent to withdraw its support for the Viavi deal and recommend Keysight's offer.<sup id="cite_ref-23" class="reference"><a href="#cite_note-23"><span class="cite-bracket">[</span>23<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Operations">Operations</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Spirent&action=edit&section=2" title="Edit section: Operations"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Spirent Communications PLC is a communications and network testing company. Spirent mainly consists of the former Consultronics (later DLS Testworks) (of <a href="/wiki/Ottawa" title="Ottawa">Ottawa</a>, Ontario), Netcom Systems (of <a href="/wiki/Chatsworth,_Los_Angeles" title="Chatsworth, Los Angeles">Chatsworth, California</a> and later <a href="/wiki/Calabasas,_California" title="Calabasas, California">Calabasas, California</a>), Adtech (of <a href="/wiki/Honolulu" title="Honolulu">Honolulu</a>, Hawaii), Zarak Systems (of <a href="/wiki/Sunnyvale,_California" title="Sunnyvale, California">Sunnyvale, California</a>), Caw Networks (of <a href="/wiki/San_Jose,_California" title="San Jose, California">San Jose, California</a>), Hekimian (of <a href="/wiki/Rockville,_Maryland" title="Rockville, Maryland">Rockville, Maryland</a>), Telecom Analysis Systems (of <a href="/wiki/Eatontown,_New_Jersey" title="Eatontown, New Jersey">Eatontown, New Jersey</a>) in 1995, Global Simulation Systems (of <a href="/wiki/Paignton" title="Paignton">Paignton</a>, Devon) in 1997, DLS (of <a href="/wiki/Ottawa" title="Ottawa">Ottawa</a>, Ontario) in 1998 and a number of other small network test equipment providers that it has acquired such as Imperfect Networks (of <a href="/wiki/Burlington,_Massachusetts" title="Burlington, Massachusetts">Burlington, Massachusetts</a>).<sup id="cite_ref-24" class="reference"><a href="#cite_note-24"><span class="cite-bracket">[</span>24<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="References">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Spirent&action=edit&section=3" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1239543626">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist"> <div class="mw-references-wrap mw-references-columns"><ol class="references"> <li id="cite_note-results-1"><span class="mw-cite-backlink">^ <a href="#cite_ref-results_1-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-results_1-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-results_1-2"><sup><i><b>c</b></i></sup></a> <a href="#cite_ref-results_1-3"><sup><i><b>d</b></i></sup></a> <a href="#cite_ref-results_1-4"><sup><i><b>e</b></i></sup></a></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r1238218222">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://assets.ctfassets.net/63dbmymdqn3g/2nVNQ2ZiEp9zFcvm84neWI/9b8fa685bf2ee8a5cb2b6fd8945e04a5/PR-05-03-2024_Full_Year_Results_2023.pdf">"Annual Results 2023"</a> <span class="cs1-format">(PDF)</span>. Spirent. 6 March 2024.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Annual+Results+2023&rft.pub=Spirent&rft.date=2024-03-06&rft_id=https%3A%2F%2Fassets.ctfassets.net%2F63dbmymdqn3g%2F2nVNQ2ZiEp9zFcvm84neWI%2F9b8fa685bf2ee8a5cb2b6fd8945e04a5%2FPR-05-03-2024_Full_Year_Results_2023.pdf&rfr_id=info%3Asid%2Fen.wikipedia.org%3ASpirent" class="Z3988"></span></span> </li> <li id="cite_note-2"><span class="mw-cite-backlink"><b><a href="#cite_ref-2">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://assets.ctfassets.net/63dbmymdqn3g/4ujTQBTlIoLvRh2kVDmxSG/05770db30efbc7f732ffd7b4529d6e3b/factsheet.pdf">"Factsheet"</a> <span class="cs1-format">(PDF)</span>. Spirent<span class="reference-accessdate">. Retrieved <span class="nowrap">13 February</span> 2024</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Factsheet&rft.pub=Spirent&rft_id=https%3A%2F%2Fassets.ctfassets.net%2F63dbmymdqn3g%2F4ujTQBTlIoLvRh2kVDmxSG%2F05770db30efbc7f732ffd7b4529d6e3b%2Ffactsheet.pdf&rfr_id=info%3Asid%2Fen.wikipedia.org%3ASpirent" class="Z3988"></span></span> </li> <li id="cite_note-3"><span class="mw-cite-backlink"><b><a href="#cite_ref-3">^</a></b></span> <span class="reference-text"><a rel="nofollow" class="external text" href="http://www.ukbusinesspark.co.uk/boe92253.htm">UK Business Park</a> <a rel="nofollow" class="external text" href="https://web.archive.org/web/20120226083922/http://www.ukbusinesspark.co.uk/boe92253.htm">Archived</a> 26 February 2012 at the <a href="/wiki/Wayback_Machine" title="Wayback Machine">Wayback Machine</a></span> </li> <li id="cite_note-4"><span class="mw-cite-backlink"><b><a href="#cite_ref-4">^</a></b></span> <span class="reference-text"><a rel="nofollow" class="external text" href="http://findarticles.com/p/articles/mi_m0WVI/is_/ai_54976400">Bowthorpe ups test role with US buy</a> Electronics Times, 21 June 1999</span> </li> <li id="cite_note-5"><span class="mw-cite-backlink"><b><a href="#cite_ref-5">^</a></b></span> <span class="reference-text"><a rel="nofollow" class="external text" href="http://findarticles.com/p/articles/mi_m0WVI/is_/ai_55092633">Bowthorpe buys DLS for $11.1m</a> Electronics Times, 5 July 1999</span> </li> <li id="cite_note-6"><span class="mw-cite-backlink"><b><a href="#cite_ref-6">^</a></b></span> <span class="reference-text"><a rel="nofollow" class="external text" href="http://findarticles.com/p/articles/mi_m0CMN/is_1_38/ai_71060782/">Spirent buys Hekimian</a> Company Business and Marketing, January 2001</span> </li> <li id="cite_note-7"><span class="mw-cite-backlink"><b><a href="#cite_ref-7">^</a></b></span> <span class="reference-text"><a rel="nofollow" class="external text" href="http://www.lightreading.com/document.asp?doc_id=1655">Spirent Acquires Zarak Systems</a> Light Reading, 11 September 2000</span> </li> <li id="cite_note-8"><span class="mw-cite-backlink"><b><a href="#cite_ref-8">^</a></b></span> <span class="reference-text"><a rel="nofollow" class="external text" href="http://findarticles.com/p/articles/mi_m0WVI/is_2000_Oct_23/ai_66407144/">Spirent buy is optics boost – Net-Hopper Systems</a> Electronics Times, 23 October 2000</span> </li> <li id="cite_note-9"><span class="mw-cite-backlink"><b><a href="#cite_ref-9">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://corporate.spirent.com/About-Us/Our_History">"Our history"</a>. Spirent<span class="reference-accessdate">. Retrieved <span class="nowrap">30 April</span> 2017</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Our+history&rft.pub=Spirent&rft_id=https%3A%2F%2Fcorporate.spirent.com%2FAbout-Us%2FOur_History&rfr_id=info%3Asid%2Fen.wikipedia.org%3ASpirent" class="Z3988"></span></span> </li> <li id="cite_note-10"><span class="mw-cite-backlink"><b><a href="#cite_ref-10">^</a></b></span> <span class="reference-text"><a rel="nofollow" class="external text" href="http://www.bizjournals.com/sanjose/stories/2002/08/05/daily9.html">Caw Networks to be acquired by Spirent</a></span> </li> <li id="cite_note-11"><span class="mw-cite-backlink"><b><a href="#cite_ref-11">^</a></b></span> <span class="reference-text"><a rel="nofollow" class="external text" href="http://www.3g.co.uk/PR/July2006/3318.htm">Spirent Acquires 3G Player – Scientific Software</a> 3G, 10 July 2006</span> </li> <li id="cite_note-12"><span class="mw-cite-backlink"><b><a href="#cite_ref-12">^</a></b></span> <span class="reference-text"><a rel="nofollow" class="external text" href="http://www.marketwire.com/press-release/Spirent-Communications-Plc-announces-Acquisition-of-Imperfect-Networks-Inc-706988.htm">Spirent Communications Plc announces acquisition of Imperfect Networks, Inc.</a> MarketWire, 10 August 2006</span> </li> <li id="cite_note-13"><span class="mw-cite-backlink"><b><a href="#cite_ref-13">^</a></b></span> <span class="reference-text"><a rel="nofollow" class="external text" href="http://www.fiercetelecom.com/story/spirent-gets-automation-game-acquiring-fanfare/2011-02-15">Spirent gets into automation game by acquiring Fanfare</a> Fierce Telecom, 15 February 2011</span> </li> <li id="cite_note-14"><span class="mw-cite-backlink"><b><a href="#cite_ref-14">^</a></b></span> <span class="reference-text"><a rel="nofollow" class="external text" href="https://thenextweb.com/insider/2012/04/20/apps-and-cloud-testing-specialist-mu-dynamics-acquired-by-spirent-in-30m-deal/">Apps and cloud testing specialist Mu Dynamics acquired by Spirent in $40M deal</a> TNW, 20 April 2012</span> </li> <li id="cite_note-15"><span class="mw-cite-backlink"><b><a href="#cite_ref-15">^</a></b></span> <span class="reference-text"><a rel="nofollow" class="external text" href="http://www.marketwatch.com/story/spirent-to-buy-metrico-wireless-for-52m-2012-09-06">Spirent to buy Metrico Wireless for $52m</a> Marketwatch, 6 September 2012</span> </li> <li id="cite_note-16"><span class="mw-cite-backlink"><b><a href="#cite_ref-16">^</a></b></span> <span class="reference-text"><a rel="nofollow" class="external text" href="https://online.wsj.com/article/PR-CO-20140702-904773.html">Spirent Agrees to Acquire Radvision's Technology Business Unit</a>, <i>The Wall Street Journal</i>, Wednesday, 2 July 2014</span> </li> <li id="cite_note-17"><span class="mw-cite-backlink"><b><a href="#cite_ref-17">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://www.insidermedia.com/insider/southeast/123398-spirent-swoops-danish-group-20m-deal/">"Spirent swoops for Danish Group in $20m deal"</a>. 15 September 2014<span class="reference-accessdate">. Retrieved <span class="nowrap">24 January</span> 2016</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Spirent+swoops+for+Danish+Group+in+%2420m+deal&rft.date=2014-09-15&rft_id=http%3A%2F%2Fwww.insidermedia.com%2Finsider%2Fsoutheast%2F123398-spirent-swoops-danish-group-20m-deal%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3ASpirent" class="Z3988"></span></span> </li> <li id="cite_note-18"><span class="mw-cite-backlink"><b><a href="#cite_ref-18">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://mergr.com/spirent-communications-acquires-testing-technologies-ist-gmbh">"Spirent Communications Acquires Testing Technologies IST | Mergr M&A Deal Summary"</a>. <i>mergr.com</i><span class="reference-accessdate">. Retrieved <span class="nowrap">26 July</span> 2023</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=mergr.com&rft.atitle=Spirent+Communications+Acquires+Testing+Technologies+IST+%7C+Mergr+M%26A+Deal+Summary&rft_id=https%3A%2F%2Fmergr.com%2Fspirent-communications-acquires-testing-technologies-ist-gmbh&rfr_id=info%3Asid%2Fen.wikipedia.org%3ASpirent" class="Z3988"></span></span> </li> <li id="cite_note-19"><span class="mw-cite-backlink"><b><a href="#cite_ref-19">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.mobilethink.com/management-buyout-device-intelligence-leaders-mobilethink-tweakker/">"Management Buyout of Device Intelligence Leaders Mobilethink and Tweakker"</a>. Mobilethink. 1 July 2017<span class="reference-accessdate">. Retrieved <span class="nowrap">29 October</span> 2017</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Management+Buyout+of+Device+Intelligence+Leaders+Mobilethink+and+Tweakker&rft.pub=Mobilethink&rft.date=2017-07-01&rft_id=https%3A%2F%2Fwww.mobilethink.com%2Fmanagement-buyout-device-intelligence-leaders-mobilethink-tweakker%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3ASpirent" class="Z3988"></span></span> </li> <li id="cite_note-20"><span class="mw-cite-backlink"><b><a href="#cite_ref-20">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://markets.ft.com/data/announce/detail?dockey=1323-14888795-5RIP1QHGEJQCUU5L2PK0IV56P4">"Acquisition of octoScope, Inc. – Company Announcement - FT.com"</a>. <i>markets.ft.com</i><span class="reference-accessdate">. Retrieved <span class="nowrap">26 July</span> 2023</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=markets.ft.com&rft.atitle=Acquisition+of+octoScope%2C+Inc.+%E2%80%93+Company+Announcement+-+FT.com&rft_id=https%3A%2F%2Fmarkets.ft.com%2Fdata%2Fannounce%2Fdetail%3Fdockey%3D1323-14888795-5RIP1QHGEJQCUU5L2PK0IV56P4&rfr_id=info%3Asid%2Fen.wikipedia.org%3ASpirent" class="Z3988"></span></span> </li> <li id="cite_note-21"><span class="mw-cite-backlink"><b><a href="#cite_ref-21">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFMarketScreener2023" class="citation web cs1">MarketScreener (2 November 2023). <a rel="nofollow" class="external text" href="https://www.marketscreener.com/quote/stock/SPIRENT-COMMUNICATIONS-PL-9590118/news/Spirent-Communications-plc-acquired-Test-Lab-Automation-portion-from-NetScout-Systems-Inc-for-8-3-45232258/">"Spirent Communications plc acquired Test Lab Automation portion from NetScout Systems, Inc. for $8.3 million. -November 01, 2023 | MarketScreener"</a>. <i>www.marketscreener.com</i><span class="reference-accessdate">. Retrieved <span class="nowrap">28 December</span> 2023</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=www.marketscreener.com&rft.atitle=Spirent+Communications+plc+acquired+Test+Lab+Automation+portion+from+NetScout+Systems%2C+Inc.+for+%248.3+million.+-November+01%2C+2023+%7C+MarketScreener&rft.date=2023-11-02&rft.au=MarketScreener&rft_id=https%3A%2F%2Fwww.marketscreener.com%2Fquote%2Fstock%2FSPIRENT-COMMUNICATIONS-PL-9590118%2Fnews%2FSpirent-Communications-plc-acquired-Test-Lab-Automation-portion-from-NetScout-Systems-Inc-for-8-3-45232258%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3ASpirent" class="Z3988"></span></span> </li> <li id="cite_note-22"><span class="mw-cite-backlink"><b><a href="#cite_ref-22">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation news cs1"><a rel="nofollow" class="external text" href="https://www.theguardian.com/business/2024/mar/05/spirent-shares-takeover-viavi">"Spirent shares jump 60% as it accepts £1bn bid from US rival Viavi"</a>. <i>The Guardian</i>. 5 March 2024<span class="reference-accessdate">. Retrieved <span class="nowrap">6 March</span> 2024</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=The+Guardian&rft.atitle=Spirent+shares+jump+60%25+as+it+accepts+%C2%A31bn+bid+from+US+rival+Viavi&rft.date=2024-03-05&rft_id=https%3A%2F%2Fwww.theguardian.com%2Fbusiness%2F2024%2Fmar%2F05%2Fspirent-shares-takeover-viavi&rfr_id=info%3Asid%2Fen.wikipedia.org%3ASpirent" class="Z3988"></span></span> </li> <li id="cite_note-23"><span class="mw-cite-backlink"><b><a href="#cite_ref-23">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation news cs1"><a rel="nofollow" class="external text" href="https://www.reuters.com/markets/deals/keysight-agrees-buy-britains-spirent-15-bln-2024-03-28/">"Keysight outbids rival Viavi to buy UK's Spirent for $1.5 billion"</a>. Reuters. 29 March 2024.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.atitle=Keysight+outbids+rival+Viavi+to+buy+UK%27s+Spirent+for+%241.5+billion&rft.date=2024-03-29&rft_id=https%3A%2F%2Fwww.reuters.com%2Fmarkets%2Fdeals%2Fkeysight-agrees-buy-britains-spirent-15-bln-2024-03-28%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3ASpirent" class="Z3988"></span></span> </li> <li id="cite_note-24"><span class="mw-cite-backlink"><b><a href="#cite_ref-24">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.businesswire.com/news/home/20050613005359/en/Spirent-Communications-Partners-Imperfect-Networks-Deliver-Comprehensive">"Spirent Communications Partners With Imperfect Networks to Deliver a Comprehensive Platform for Network Application Security Testing for the Enterprise"</a>. Businesswire. 13 June 2005<span class="reference-accessdate">. Retrieved <span class="nowrap">7 September</span> 2018</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Spirent+Communications+Partners+With+Imperfect+Networks+to+Deliver+a+Comprehensive+Platform+for+Network+Application+Security+Testing+for+the+Enterprise&rft.pub=Businesswire&rft.date=2005-06-13&rft_id=https%3A%2F%2Fwww.businesswire.com%2Fnews%2Fhome%2F20050613005359%2Fen%2FSpirent-Communications-Partners-Imperfect-Networks-Deliver-Comprehensive&rfr_id=info%3Asid%2Fen.wikipedia.org%3ASpirent" class="Z3988"></span></span> </li> </ol></div></div> <div class="mw-heading mw-heading2"><h2 id="External_links">External links</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Spirent&action=edit&section=4" title="Edit section: External links"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a rel="nofollow" class="external 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template">e</abbr></a></li></ul></div><div id="Telecommunications_industry_in_the_United_Kingdom" style="font-size:114%;margin:0 4em"><a href="/wiki/Telecommunications_in_the_United_Kingdom" title="Telecommunications in the United Kingdom">Telecommunications industry in the United Kingdom</a></div></th></tr><tr><td class="navbox-abovebelow" colspan="2"><div> <ul><li><a href="/wiki/Economy_of_the_United_Kingdom" title="Economy of the United Kingdom">Economy of the United Kingdom</a></li> <li><a href="/wiki/Science_and_technology_in_the_United_Kingdom" title="Science and technology in the United Kingdom">Science and technology in the United Kingdom</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;text-align:left">Companies</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%;text-align:left; background-color:#eee">Infrastructure<br />providers</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Arqiva" title="Arqiva">Arqiva</a></li> <li><a href="/wiki/Babcock_International" title="Babcock International">Babcock International</a></li> <li><a href="/wiki/BT_Wholesale_and_Ventures" title="BT Wholesale and Ventures">BT Wholesale and Ventures</a></li> <li><a href="/wiki/CityFibre" title="CityFibre">CityFibre</a></li> <li><a href="/wiki/KCOM_Group" title="KCOM Group">KCOM Group</a></li> <li><a href="/wiki/Nexfibre" title="Nexfibre">Nexfibre</a></li> <li><a href="/wiki/Openreach" title="Openreach">Openreach</a></li> <li><a href="/wiki/Interxion" title="Interxion">Interxion</a></li> <li><a href="/wiki/TelecityGroup" title="TelecityGroup">TelecityGroup</a></li> <li><a href="/wiki/Telehouse_Europe" title="Telehouse Europe">Telehouse Europe</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;text-align:left; background-color:#eee">Service<br />providers</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%">Current</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Andrews_%26_Arnold" title="Andrews & Arnold">Andrews & Arnold</a></li> <li><a href="/wiki/Asda_Mobile" title="Asda Mobile">Asda Mobile</a></li> <li><a href="/wiki/BT_Group" title="BT Group">BT Group</a> <ul><li><small><a href="/wiki/BT_Consumer" title="BT Consumer">BT Consumer</a></small></li> <li><small><a href="/wiki/BT_Business_and_Public_Sector" title="BT Business and Public Sector">BT Business and Public Sector</a></small></li> <li><small><a href="/wiki/BT_Global_Services" title="BT Global Services">BT Global Services</a></small></li> <li><small><a href="/wiki/EE_(telecommunications)" title="EE (telecommunications)">EE</a></small></li> <li><small><a href="/wiki/Plusnet" title="Plusnet">Plusnet</a></small></li></ul></li> <li><a href="/wiki/China_Mobile" title="China Mobile">China Mobile</a> <ul><li><small><a href="/wiki/China_Mobile#United_Kingdom" title="China Mobile">CMLink</a></small></li></ul></li> <li><a href="/wiki/Claranet" title="Claranet">Claranet</a></li> <li><a href="/wiki/Colt_Technology_Services" title="Colt Technology Services">Colt Group</a></li> <li><a href="/wiki/The_Phone_Co-op" title="The Phone Co-op">The Co-operative</a></li> <li><a href="/wiki/Cable_%26_Wireless_Communications" title="Cable & Wireless Communications">Cable & Wireless</a></li> <li><a href="/wiki/Entanet" title="Entanet">Entanet</a></li> <li><a href="/wiki/Inmarsat" title="Inmarsat">Inmarsat</a></li> <li><a href="/wiki/KCOM_Group" title="KCOM Group">KCOM Group</a> <ul><li><small><a href="/wiki/Eclipse_Internet" title="Eclipse Internet">Eclipse Internet</a></small></li></ul></li> <li><a href="/wiki/Lebara" title="Lebara">Lebara</a></li> <li><a href="/wiki/Lycamobile" title="Lycamobile">Lycamobile</a></li> <li><a href="/wiki/Sky_Group" title="Sky Group">Sky</a> <ul><li><small><a href="/wiki/Sky_Broadband" title="Sky Broadband">Sky Broadband</a></small></li></ul></li> <li><a href="/wiki/Spusu" title="Spusu">spusu</a></li> <li><a href="/wiki/TalkTalk_Group" title="TalkTalk Group">TalkTalk</a> <ul><li><small><a href="/wiki/TalkTalk_Business" title="TalkTalk Business">Business</a></small></li> <li><small><a href="/wiki/TalkTalk_Group#Mobile_telephony" title="TalkTalk Group">Mobile</a></small></li> <li><small><a href="/wiki/TalkTalk_TV" title="TalkTalk TV">TV</a></small></li></ul></li> <li><a href="/wiki/Telecom_Plus" title="Telecom Plus">Telecom Plus</a></li> <li><a href="/wiki/Tesco_Mobile" title="Tesco Mobile">Tesco</a></li> <li><a href="/wiki/3_(company)" title="3 (company)">Three</a> <ul><li><small><a href="/wiki/Three_UK" title="Three UK">Three UK</a></small></li> <li><small><a href="/wiki/SMARTY" title="SMARTY">SMARTY</a></small></li></ul></li> <li><a href="/wiki/Truphone" title="Truphone">Tru</a></li> <li><a href="/wiki/Trunk_Networks" title="Trunk Networks">Trunk Networks</a> <ul><li><small>Leetline</small></li> <li><small>No One</small></li></ul></li> <li><a href="/wiki/Virgin_Media_O2" title="Virgin Media O2">Virgin Media O2</a> <ul><li><small><a href="/wiki/O2_(UK)" title="O2 (UK)">O2</a></small></li> <li><small><a href="/wiki/Giffgaff" title="Giffgaff">Giffgaff</a></small></li> <li><small><a href="/wiki/Virgin_Media" title="Virgin Media">Virgin Media</a></small> <ul><li><small><a href="/wiki/Virgin_Media_Business" title="Virgin Media Business">Virgin Media Business</a></small></li></ul></li></ul></li> <li><a href="/wiki/Vodafone" title="Vodafone">Vodafone</a> <ul><li><small><a href="/wiki/Vodafone_UK" title="Vodafone UK">Vodafone UK</a></small></li> <li><small><a href="/wiki/Talkmobile" title="Talkmobile">Talkmobile</a></small></li></ul></li> <li><a href="/wiki/Voipfone" title="Voipfone">Voipfone</a></li> <li><a href="/wiki/WightFibre" title="WightFibre">WightFibre</a></li> <li><a href="/wiki/Zen_Internet" title="Zen Internet">Zen Internet</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Defunct</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/AOL_Broadband" title="AOL Broadband">AOL</a></li> <li><a href="/wiki/Atlantic_Telegraph_Company" title="Atlantic Telegraph Company">Atlantic Telegraph Company</a></li> <li><a href="/wiki/Be_Un_Limited" title="Be Un Limited">Be Un Limited</a></li> <li><a href="/wiki/Bonelli%27s_Electric_Telegraph_Company" title="Bonelli's Electric Telegraph Company">Bonelli's Electric Telegraph Company</a></li> <li><a href="/wiki/British_and_Irish_Magnetic_Telegraph_Company" title="British and Irish Magnetic Telegraph Company">British and Irish Magnetic Telegraph</a></li> <li><a href="/wiki/Cable_%26_Wireless_plc" title="Cable & Wireless plc">Cable & Wireless plc</a></li> <li><a href="/wiki/Cable_%26_Wireless_Worldwide" title="Cable & Wireless Worldwide">Cable & Wireless Worldwide</a></li> <li><a href="/wiki/Electric_Telegraph_Company" title="Electric Telegraph Company">Electric Telegraph Company</a></li> <li><a href="/wiki/Energis" title="Energis">Energis</a></li> <li><a href="/wiki/Family_Mobile" title="Family Mobile">Family</a></li> <li><a href="/wiki/General_Post_Office" title="General Post Office">General Post Office</a></li> <li><a href="/wiki/Gutta_Percha_Company" title="Gutta Percha Company">Gutta Percha Company</a></li> <li><a href="/wiki/Ionica_(company)" title="Ionica (company)">Ionica</a></li> <li><a href="/wiki/London_District_Telegraph_Company" title="London District Telegraph Company">London & Provincial District Telegraph</a></li> <li><a href="/wiki/Mercury_Communications" title="Mercury Communications">Mercury</a></li> <li><a href="/wiki/National_Telephone_Company" title="National Telephone Company">National Telephone Company</a></li> <li><a href="/wiki/NTL_Incorporated" title="NTL Incorporated">NTL</a></li> <li><a href="/wiki/Orange_UK" title="Orange UK">Orange</a></li> <li><a href="/wiki/Ovivo" class="mw-redirect" title="Ovivo">Ovivo</a></li> <li><a href="/wiki/Post_Office_Limited" title="Post Office Limited">Post Office</a></li> <li><a href="/wiki/Pipex" title="Pipex">Pipex</a></li> <li><a href="/wiki/Rabbit_(telecommunications)" title="Rabbit (telecommunications)">Rabbit</a></li> <li><a href="/wiki/Mobile_by_Sainsbury%27s" title="Mobile by Sainsbury's">Sainsbury's</a></li> <li><a href="/wiki/Submarine_Telegraph_Company" title="Submarine Telegraph Company">Submarine Telegraph</a></li> <li><a href="/wiki/Tiscali_UK" class="mw-redirect" title="Tiscali UK">Tiscali UK</a></li> <li><a href="/wiki/T-Mobile_UK" title="T-Mobile UK">T-Mobile</a></li> <li><a href="/wiki/Universal_Private_Telegraph_Company" title="Universal Private Telegraph Company">Universal Private Telegraph</a></li> <li><a href="/wiki/Virgin_Mobile_(UK)" title="Virgin Mobile (UK)">Virgin Mobile</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;text-align:left; background-color:#eee">Suppliers</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%">Current</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Arm_Holdings" title="Arm Holdings">Arm Holdings</a></li> <li><a href="/wiki/Icera" title="Icera">Icera</a></li> <li><a href="/wiki/Metaswitch" title="Metaswitch">Metaswitch</a></li> <li><a href="/wiki/Sarantel" class="mw-redirect" title="Sarantel">Sarantel</a></li> <li><a class="mw-selflink selflink">Spirent</a></li> <li><a href="/wiki/Telent" title="Telent">Telent</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Defunct</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/CSR_(company)" class="mw-redirect" title="CSR (company)">CSR</a></li> <li><a href="/wiki/GEC_Plessey_Telecommunications" title="GEC Plessey Telecommunications">GEC Plessey</a></li> <li><a href="/wiki/Marconi_Company" title="Marconi Company">Marconi Company</a></li> <li><a href="/wiki/Marconi_Communications" title="Marconi Communications">Marconi Communications</a></li> <li><a href="/wiki/Pace_plc" title="Pace plc">Pace</a></li> <li><a href="/wiki/PicoChip" title="PicoChip">PicoChip</a></li> <li><a href="/wiki/Standard_Telephones_and_Cables" title="Standard Telephones and Cables">Standard</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;text-align:left; background-color:#eee">Other</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Carphone_Warehouse" title="Carphone Warehouse">Carphone Warehouse</a></li> <li><a href="/wiki/Hibu" title="Hibu">Hibu</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;text-align:left">Government and<br />regulatory bodies</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Broadband_Stakeholder_Group" title="Broadband Stakeholder Group">Broadband Stakeholder Group</a></li> <li><a href="/wiki/Defence_Science_and_Technology_Laboratory" title="Defence Science and Technology Laboratory">Defence Science and Technology Laboratory</a></li> <li><a href="/wiki/European_Conference_of_Postal_and_Telecommunications_Administrations" title="European Conference of Postal and Telecommunications Administrations">European Conference of Postal and Telecommunications Administrations</a></li> <li><a href="/wiki/International_Telecommunication_Union" title="International Telecommunication Union">International Telecommunication Union</a></li> <li><a href="/wiki/Ofcom" title="Ofcom">Ofcom</a></li> <li><a href="/wiki/Phone-paid_Services_Authority" title="Phone-paid Services Authority">Phone-paid Services Authority</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;text-align:left">Industry bodies</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/GSM_Association" class="mw-redirect" title="GSM Association">GSM Association</a></li> <li><a href="/wiki/Internet_Service_Providers_Association_(United_Kingdom)" title="Internet Service Providers Association (United Kingdom)">Internet Service Providers Association</a></li> <li><a href="/wiki/Internet_Telephony_Services_Providers%27_Association" title="Internet Telephony Services Providers' Association">Internet Telephony Services Providers' Association</a></li> <li><a href="/wiki/LONAP" title="LONAP">LONAP</a></li> <li><a href="/wiki/London_Internet_Exchange" title="London Internet Exchange">London Internet Exchange</a></li> <li><a href="/wiki/Manchester_Network_Access_Point" title="Manchester Network Access Point">MaNAP</a></li> <li><a href="/wiki/Symbian_Foundation" title="Symbian Foundation">Symbian Foundation</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;text-align:left">In <a href="/wiki/Crown_Dependencies" title="Crown Dependencies">Crown Dependencies</a> and<br /><a href="/wiki/British_Overseas_Territories" title="British Overseas Territories">British Overseas Territories</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Akrotiri_and_Dhekelia#Communications" title="Akrotiri and Dhekelia">Akrotiri and Dhekelia</a></li> <li><a href="/wiki/Telecommunications_in_Anguilla" title="Telecommunications in Anguilla">Anguilla</a></li> <li><a href="/wiki/Telecommunications_in_Antarctica" title="Telecommunications in Antarctica">Antarctica</a> (including <a href="/wiki/British_Antarctic_Territory" title="British Antarctic Territory">British Antarctic Territory</a>)</li> <li><a href="/wiki/Telecommunications_in_Ascension_Island" class="mw-redirect" title="Telecommunications in Ascension Island">Ascension Island</a></li> <li><a href="/wiki/Telecommunications_in_Bermuda" title="Telecommunications in Bermuda">Bermuda</a></li> <li><a href="/wiki/Telecommunications_in_the_British_Indian_Ocean_Territory" class="mw-redirect" title="Telecommunications in the British Indian Ocean Territory">British Indian Ocean Territory</a></li> <li><a href="/wiki/Telecommunications_in_the_British_Virgin_Islands" title="Telecommunications in the British Virgin Islands">British Virgin Islands</a></li> <li><a href="/wiki/Telecommunications_in_the_Cayman_Islands" title="Telecommunications in the Cayman Islands">Cayman Islands</a></li> <li><a href="/wiki/Telecommunications_in_the_Falkland_Islands" title="Telecommunications in the Falkland Islands">Falkland Islands</a></li> <li><a href="/wiki/Telecommunications_in_Gibraltar" class="mw-redirect" title="Telecommunications in Gibraltar">Gibraltar</a></li> <li><a href="/wiki/Telecommunications_in_Guernsey" title="Telecommunications in Guernsey">Guernsey</a></li> <li><a href="/wiki/Telecommunications_in_the_Isle_of_Man" class="mw-redirect" title="Telecommunications in the Isle of Man">Isle of Man</a></li> <li><a href="/wiki/Telecommunications_in_Jersey" title="Telecommunications in Jersey">Jersey</a></li> <li><a href="/wiki/Telecommunications_in_Montserrat" title="Telecommunications in Montserrat">Montserrat</a></li> <li><a href="/wiki/Telecommunications_in_the_Pitcairn_Islands" class="mw-redirect" title="Telecommunications in the Pitcairn Islands">Pitcairn Islands</a></li> <li><a href="/wiki/Telecommunications_in_Saint_Helena" class="mw-redirect" title="Telecommunications in Saint Helena">Saint Helena</a></li> <li><a href="/wiki/Telecommunications_in_South_Georgia_and_the_South_Sandwich_Islands" class="mw-redirect" title="Telecommunications in South Georgia and the South Sandwich Islands">South Georgia and South Sandwich Islands</a></li> <li><a href="/wiki/Telecommunications_in_the_Turks_and_Caicos_Islands" title="Telecommunications in the Turks and Caicos Islands">Turks and Caicos Islands</a></li> <li><a href="/wiki/Tristan_da_Cunha#Communications" title="Tristan da Cunha">Tristan da Cunha</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;text-align:left">History,<br />legislation</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Adastral_Park" title="Adastral Park">Adastral Park</a></li> <li><a href="/wiki/British_Approvals_Board_for_Telecommunications" title="British Approvals Board for Telecommunications">British Approvals Board for Telecommunications</a></li> <li><a href="/wiki/British_Telecommunications_Act_1981" title="British Telecommunications Act 1981">British Telecommunications Act 1981</a></li> <li><a href="/wiki/British_telephone_sockets" class="mw-redirect" title="British telephone sockets">British telephone sockets</a></li> <li><a href="/wiki/BT_Research" title="BT Research">BT Research</a></li> <li><a href="/wiki/BT_site_engineering_code" title="BT site engineering code">BT site engineering code</a></li> <li><a href="/wiki/Buzby" title="Buzby">Buzby</a></li> <li><a href="/wiki/Communications_Act_2003" title="Communications Act 2003">Communications Act 2003</a></li> <li><a href="/wiki/Category:Earth_stations_in_the_United_Kingdom" title="Category:Earth stations in the United Kingdom">Earth stations in UK</a></li> <li><a href="/wiki/Hull_Colour_Pages" title="Hull Colour Pages">Hull Colour Pages</a></li> <li><a href="/wiki/Interception_of_Communications_Act_1985" title="Interception of Communications Act 1985">Interception of Communications Act 1985</a></li> <li><a href="/wiki/Internet_in_the_United_Kingdom" title="Internet in the United Kingdom">Internet in UK</a></li> <li><a href="/wiki/Telegraph_Act" title="Telegraph Act">Telegraph Act</a></li> <li><a href="/wiki/Telegraph_Act_1868" title="Telegraph Act 1868">Telegraph Act 1868</a></li> <li><a href="/wiki/Telegraph_Act_1885" title="Telegraph Act 1885">Telegraph Act 1885</a></li> <li><a href="/wiki/Telephone_numbers_in_the_United_Kingdom" title="Telephone numbers in the United Kingdom">Telephone numbers in UK</a></li> <li><a href="/wiki/UK_telephone_code_misconceptions" title="UK telephone code misconceptions">UK telephone code misconceptions</a></li> <li><a href="/wiki/Web_blocking_in_the_United_Kingdom" title="Web blocking in the United Kingdom">Web blocking in UK</a></li></ul> </div></td></tr><tr><td class="navbox-abovebelow" colspan="2"><div> <ul><li><span class="noviewer" typeof="mw:File"><span title="Category"><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/16px-Symbol_category_class.svg.png" decoding="async" width="16" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/23px-Symbol_category_class.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/31px-Symbol_category_class.svg.png 2x" data-file-width="180" data-file-height="185" /></span></span> <b><a href="/wiki/Category:Telecommunications_in_the_United_Kingdom" title="Category:Telecommunications in the United Kingdom">Category</a></b></li> <li><span class="noviewer" typeof="mw:File"><span title="Commons page"><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/12px-Commons-logo.svg.png" decoding="async" width="12" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/18px-Commons-logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/24px-Commons-logo.svg.png 2x" data-file-width="1024" data-file-height="1376" /></span></span> <b><a href="https://commons.wikimedia.org/wiki/Category:Telecommunications_in_the_United_Kingdom" class="extiw" title="commons:Category:Telecommunications in the United Kingdom">Commons</a></b></li></ul> </div></td></tr></tbody></table></div> <div class="navbox-styles"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236075235"></div><div role="navigation" class="navbox" aria-labelledby="FTSE_100_←_FTSE_250_companies_of_the_United_Kingdom_→_FTSE_SmallCap" style="padding:3px"><table class="nowraplinks mw-collapsible mw-collapsed navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1239400231"><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:FTSE_250_Index_constituents" title="Template:FTSE 250 Index constituents"><abbr title="View this template">v</abbr></a></li><li 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Infrastructure</a></li> <li><a href="/wiki/4imprint" title="4imprint">4imprint</a></li> <li><a href="/wiki/Aberforth_Smaller_Companies_Trust" title="Aberforth Smaller Companies Trust">Aberforth Smaller Companies Trust</a></li> <li><a href="/wiki/Abrdn" title="Abrdn">abrdn</a></li> <li><a href="/wiki/Alfa_Financial_Software" title="Alfa Financial Software">Alfa Financial Software</a></li> <li><a href="/wiki/Alliance_Witan" title="Alliance Witan">Alliance Witan</a></li> <li><a href="/wiki/Allianz_Technology_Trust" title="Allianz Technology Trust">Allianz Technology Trust</a></li> <li><a href="/wiki/Alpha_Group_International" title="Alpha Group International">Alpha Group International</a></li> <li><a href="/wiki/AO_World" title="AO World">AO World</a></li> <li><a href="/wiki/Apax_Global_Alpha" title="Apax Global Alpha">Apax</a></li> <li><a href="/wiki/Ashmore_Group" title="Ashmore Group">Ashmore Group</a></li> <li><a href="/wiki/Asia_Dragon_Trust" title="Asia Dragon Trust">Asia Dragon Trust</a></li> <li><a href="/wiki/Assura_plc" title="Assura plc">Assura</a></li> <li><a href="/wiki/Aston_Martin" title="Aston Martin">Aston Martin Lagonda</a></li> <li><a href="/wiki/Auction_Technology_Group" title="Auction Technology Group">Auction Technology Group</a></li> <li><a href="/wiki/AVI_Global_Trust" title="AVI Global Trust">AVI Global Trust</a></li> <li><a href="/wiki/Babcock_International" title="Babcock International">Babcock International</a></li> <li><a href="/wiki/Baillie_Gifford_Japan_Trust" title="Baillie Gifford Japan Trust">Baillie Gifford Japan Trust</a></li> <li><a href="/wiki/Baillie_Gifford_US_Growth_Trust" title="Baillie Gifford US Growth Trust">Baillie Gifford US Growth Trust</a></li> <li><a href="/wiki/Bakkav%C3%B6r" title="Bakkavör">Bakkavör</a></li> <li><a href="/wiki/Balfour_Beatty" title="Balfour Beatty">Balfour Beatty</a></li> <li><a href="/wiki/Baltic_Classifieds" title="Baltic Classifieds">Baltic Classifieds</a></li> <li><a href="/wiki/Bankers_Investment_Trust" title="Bankers Investment Trust">Bankers Investment Trust</a></li> <li><a href="/wiki/Bank_of_Georgia" title="Bank of Georgia">Bank of Georgia</a></li> <li><a href="/wiki/A.G._Barr" title="A.G. Barr">A.G. Barr</a></li> <li><a href="/wiki/BBGI" title="BBGI">BBGI</a></li> <li><a href="/wiki/AJ_Bell" title="AJ Bell">AJ Bell</a></li> <li><a href="/wiki/Bellevue_Healthcare_Trust" title="Bellevue Healthcare Trust">Bellevue Healthcare Trust</a></li> <li><a href="/wiki/Bellway" title="Bellway">Bellway</a></li> <li><a href="/wiki/BH_Macro" title="BH Macro">BH Macro</a></li> <li><a href="/wiki/Big_Yellow_Group" title="Big Yellow Group">Big Yellow Group</a></li> <li><a href="/wiki/BlackRock_Greater_Europe_Investment_Trust" title="BlackRock Greater Europe Investment Trust">BlackRock Greater Europe Investment Trust</a></li> <li><a href="/wiki/BlackRock_Smaller_Companies_Trust" title="BlackRock Smaller Companies Trust">BlackRock Smaller Companies Trust</a></li> <li><a href="/wiki/BlackRock_Throgmorton_Trust" title="BlackRock Throgmorton Trust">BlackRock Throgmorton Trust</a></li> <li><a href="/wiki/BlackRock_World_Mining_Trust" title="BlackRock World Mining Trust">BlackRock World Mining Trust</a></li> <li><a href="/wiki/Bloomsbury_Publishing" title="Bloomsbury Publishing">Bloomsbury Publishing</a></li> <li><a href="/wiki/Bluefield_Solar_Income_Fund" title="Bluefield Solar Income Fund">Bluefield Solar Income Fund</a></li> <li><a href="/wiki/Bodycote" title="Bodycote">Bodycote</a></li> <li><a href="/wiki/Breedon_Group" title="Breedon Group">Breedon Group</a></li> <li><a href="/wiki/Bridgepoint_Group" title="Bridgepoint Group">Bridgepoint Group</a></li> <li><a href="/wiki/Britvic" title="Britvic">Britvic</a></li> <li><a href="/wiki/Brunner_Investment_Trust" title="Brunner Investment Trust">Brunner Investment Trust</a></li> <li><a href="/wiki/Burberry" title="Burberry">Burberry</a></li> <li><a href="/wiki/Bytes_Technology_Group" title="Bytes Technology Group">Bytes Technology Group</a></li> <li><a href="/wiki/C%26C_Group" title="C&C Group">C&C Group</a></li> <li><a href="/wiki/Caledonia_Investments" title="Caledonia Investments">Caledonia Investments</a></li> <li><a href="/wiki/Capital_Gearing_Trust" title="Capital Gearing Trust">Capital Gearing Trust</a></li> <li><a href="/wiki/Carnival_Corporation_%26_plc" title="Carnival Corporation & plc">Carnival Corporation & plc</a></li> <li><a href="/wiki/Ceres_Power" title="Ceres Power">Ceres Power</a></li> <li><a href="/wiki/Chemring_Group" title="Chemring Group">Chemring</a></li> <li><a href="/wiki/Chrysalis_Investments" title="Chrysalis Investments">Chrysalis Investments</a></li> <li><a href="/wiki/City_of_London_Investment_Trust" title="City of London Investment Trust">City of London Investment Trust</a></li> <li><a href="/wiki/Clarkson_plc" title="Clarkson plc">Clarkson</a></li> <li><a href="/wiki/Close_Brothers_Group" title="Close Brothers Group">Close Brothers Group</a></li> <li><a href="/wiki/CMC_Markets" title="CMC Markets">CMC Markets</a></li> <li><a href="/wiki/Coats_Group" title="Coats Group">Coats</a></li> <li><a href="/wiki/Computacenter" title="Computacenter">Computacenter</a></li> <li><a href="/wiki/Cranswick_plc" title="Cranswick plc">Cranswick</a></li> <li><a href="/wiki/Crest_Nicholson" title="Crest Nicholson">Crest Nicholson</a></li> <li><a href="/wiki/Currys_plc" title="Currys plc">Currys</a></li> <li><a href="/wiki/Derwent_London" title="Derwent London">Derwent London</a></li> <li><a href="/wiki/Direct_Line_Group" title="Direct Line Group">Direct Line</a></li> <li><a href="/wiki/DiscoverIE_Group" title="DiscoverIE Group">discoverIE</a></li> <li><a href="/wiki/Domino%27s_Pizza_Group" title="Domino's Pizza Group">Domino's Pizza</a></li> <li><a href="/wiki/Dowlais_Group" title="Dowlais Group">Dowlais Group</a></li> <li><a href="/wiki/Drax_Group" title="Drax Group">Drax Group</a></li> <li><a href="/wiki/Dr._Martens" title="Dr. Martens">Dr. Martens</a></li> <li><a href="/wiki/Dunelm_Group" title="Dunelm Group">Dunelm Group</a></li> <li><a href="/wiki/Edinburgh_Investment_Trust" title="Edinburgh Investment Trust">Edinburgh Investment Trust</a></li> <li><a href="/wiki/Edinburgh_Worldwide_Investment_Trust" title="Edinburgh Worldwide Investment Trust">Edinburgh Worldwide Investment Trust</a></li> <li><a href="/wiki/Elementis" title="Elementis">Elementis</a></li> <li><a href="/wiki/Empiric_Student_Property" title="Empiric Student Property">Empiric Student Property</a></li> <li><a href="/wiki/Energean" title="Energean">Energean</a></li> <li><a href="/wiki/Essentra" title="Essentra">Essentra</a></li> <li><a href="/wiki/European_Opportunities_Trust" title="European Opportunities Trust">European Opportunities Trust</a></li> <li><a href="/wiki/European_Smaller_Companies_Trust" title="European Smaller Companies Trust">European Smaller Companies Trust</a></li> <li><a href="/wiki/Fidelity_China_Special_Situations" title="Fidelity China Special Situations">Fidelity China Special Situations</a></li> <li><a href="/wiki/Fidelity_Emerging_Markets" title="Fidelity Emerging Markets">Fidelity Emerging Markets</a></li> <li><a href="/wiki/Fidelity_European_Trust" title="Fidelity European Trust">Fidelity European Trust</a></li> <li><a href="/wiki/Fidelity_Special_Values" title="Fidelity Special Values">Fidelity Special Values</a></li> <li><a href="/wiki/Finsbury_Growth_%26_Income_Trust" title="Finsbury Growth & Income Trust">Finsbury Growth & Income Trust</a></li> <li><a href="/wiki/FirstGroup" title="FirstGroup">FirstGroup</a></li> <li><a href="/wiki/Foresight_Group" title="Foresight Group">Foresight Group</a></li> <li><a href="/wiki/Foresight_Solar_Fund" title="Foresight Solar Fund">Foresight Solar Fund</a></li> <li><a href="/wiki/Future_plc" title="Future plc">Future</a></li> <li><a href="/wiki/Games_Workshop" title="Games Workshop">Games Workshop</a></li> <li><a href="/wiki/GCP_Infrastructure_Investments" title="GCP Infrastructure Investments">GCP Infrastructure Investments</a></li> <li><a href="/wiki/Genuit" title="Genuit">Genuit</a></li> <li><a href="/wiki/Genus_plc" title="Genus plc">Genus</a></li> <li><a href="/wiki/Global_Smaller_Companies_Trust" title="Global Smaller Companies Trust">Global Smaller Companies Trust</a></li> <li><a href="/wiki/Goodwin_plc" title="Goodwin plc">Goodwin</a></li> <li><a href="/wiki/Grafton_Group" title="Grafton Group">Grafton Group</a></li> <li><a href="/wiki/Grainger_plc" title="Grainger plc">Grainger</a></li> <li><a href="/wiki/Great_Portland_Estates" title="Great Portland Estates">Great Portland Estates</a></li> <li><a href="/wiki/Greencoat_UK_Wind" title="Greencoat UK Wind">Greencoat UK Wind</a></li> <li><a href="/wiki/Greencore" title="Greencore">Greencore</a></li> <li><a href="/wiki/Greggs" title="Greggs">Greggs</a></li> <li><a href="/wiki/Hammerson" title="Hammerson">Hammerson</a></li> <li><a href="/wiki/Harbour_Energy" title="Harbour Energy">Harbour Energy</a></li> <li><a href="/wiki/HarbourVest_Global_Private_Equity" title="HarbourVest Global Private Equity">HarbourVest Global Private Equity</a></li> <li><a href="/wiki/Harworth_Group" title="Harworth Group">Harworth</a></li> <li><a href="/wiki/Hays_plc" title="Hays plc">Hays</a></li> <li><a href="/wiki/Helios_Towers" title="Helios Towers">Helios Towers</a></li> <li><a href="/wiki/Henderson_European_Trust" title="Henderson European Trust">Henderson European Trust</a></li> <li><a href="/wiki/Henderson_Smaller_Companies_Investment_Trust" title="Henderson Smaller Companies Investment Trust">Henderson Smaller Companies Investment Trust</a></li> <li><a href="/wiki/Herald_Investment_Trust" title="Herald Investment Trust">Herald Investment Trust</a></li> <li><a href="/wiki/Hg_Capital_Trust" title="Hg Capital Trust">Hg Capital Trust</a></li> <li><a href="/wiki/HICL_Infrastructure_Company" title="HICL Infrastructure Company">HICL Infrastructure Company</a></li> <li><a href="/wiki/Hill_%26_Smith" title="Hill & Smith">Hill & Smith</a></li> <li><a href="/wiki/Hilton_Food_Group" title="Hilton Food Group">Hilton Food Group</a></li> <li><a href="/wiki/Hochschild_Mining" title="Hochschild Mining">Hochschild Mining</a></li> <li><a href="/wiki/Hollywood_Bowl_Group" title="Hollywood Bowl Group">Hollywood Bowl Group</a></li> <li><a href="/wiki/Hunting_plc" title="Hunting plc">Hunting</a></li> <li><a href="/wiki/Ibstock_plc" title="Ibstock plc">Ibstock</a></li> <li><a href="/wiki/ICG_Enterprise_Trust" title="ICG Enterprise Trust">ICG Enterprise Trust</a></li> <li><a href="/wiki/IG_Group" title="IG Group">IG Group Holdings</a></li> <li><a href="/wiki/Impax_Environmental_Markets" title="Impax Environmental Markets">Impax Environmental Markets</a></li> <li><a href="/wiki/Inchcape_plc" title="Inchcape plc">Inchcape</a></li> <li><a href="/wiki/IntegraFin" title="IntegraFin">IntegraFin</a></li> <li><a href="/wiki/International_Distribution_Services" title="International Distribution Services">International Distribution Services</a></li> <li><a href="/wiki/International_Public_Partnerships" title="International Public Partnerships">International Public Partnerships</a></li> <li><a href="/wiki/Investec" title="Investec">Investec</a></li> <li><a href="/wiki/IP_Group" title="IP Group">IP Group</a></li> <li><a href="/wiki/Ithaca_Energy" title="Ithaca Energy">Ithaca Energy</a></li> <li><a href="/wiki/ITV_plc" title="ITV plc">ITV</a></li> <li><a href="/wiki/IWG_plc" title="IWG plc">IWG</a></li> <li><a href="/wiki/JLEN_Environmental_Assets_Group" title="JLEN Environmental Assets Group">JLEN Environmental Assets Group</a></li> <li><a href="/wiki/Johnson_Matthey" title="Johnson Matthey">Johnson Matthey</a></li> <li><a href="/wiki/JPMorgan_American_Investment_Trust" title="JPMorgan American Investment Trust">JPMorgan American Investment Trust</a></li> <li><a href="/wiki/JPMorgan_Emerging_Markets_Investment_Trust" title="JPMorgan Emerging Markets Investment Trust">JPMorgan Emerging Markets Investment Trust</a></li> <li><a href="/wiki/JPMorgan_European_Discovery" title="JPMorgan European Discovery">JPMorgan European Discovery</a></li> <li><a href="/wiki/JPMorgan_Global_Growth_%26_Income" title="JPMorgan Global Growth & Income">JPMorgan Global Growth & Income</a></li> <li><a href="/wiki/JPMorgan_Indian_Investment_Trust" title="JPMorgan Indian Investment Trust">JPMorgan Indian Investment Trust</a></li> <li><a href="/wiki/JPMorgan_Japanese_Investment_Trust" title="JPMorgan Japanese Investment Trust">JPMorgan Japanese Investment Trust</a></li> <li><a href="/wiki/JTC_plc" title="JTC plc">JTC</a></li> <li><a href="/wiki/Jupiter_Fund_Management" title="Jupiter Fund Management">Jupiter Fund Management</a></li> <li><a href="/wiki/Just_Group_plc" title="Just Group plc">Just Group</a></li> <li><a href="/wiki/Kainos" title="Kainos">Kainos</a></li> <li><a href="/wiki/Keller_Group" title="Keller Group">Keller Group</a></li> <li><a href="/wiki/Kier_Group" title="Kier Group">Kier Group</a></li> <li><a href="/wiki/Lancashire_Holdings" title="Lancashire Holdings">Lancashire Holdings</a></li> <li><a href="/wiki/Law_Debenture" title="Law Debenture">Law Debenture</a></li> <li><a href="/wiki/Man_Group" title="Man Group">Man Group</a></li> <li><a href="/wiki/Marshalls_plc" title="Marshalls plc">Marshalls</a></li> <li><a href="/wiki/ME_Group" title="ME Group">ME Group International</a></li> <li><a href="/wiki/Mercantile_Investment_Trust" title="Mercantile Investment Trust">Mercantile Investment Trust</a></li> <li><a href="/wiki/Merchants_Trust" title="Merchants Trust">Merchants Trust</a></li> <li><a href="/wiki/Metro_Bank_(United_Kingdom)" title="Metro Bank (United Kingdom)">Metro Bank</a></li> <li><a href="/wiki/Mitchells_%26_Butlers" title="Mitchells & Butlers">Mitchells & Butlers</a></li> <li><a href="/wiki/Mitie" title="Mitie">Mitie</a></li> <li><a href="/wiki/Molten_Ventures" title="Molten Ventures">Molten Ventures</a></li> <li><a href="/wiki/Moneysupermarket.com" title="Moneysupermarket.com">MONY Group</a></li> <li><a href="/wiki/Monks_Investment_Trust" title="Monks Investment Trust">Monks Investment Trust</a></li> <li><a href="/wiki/Moonpig" title="Moonpig">Moonpig</a></li> <li><a href="/wiki/Morgan_Advanced_Materials" title="Morgan Advanced Materials">Morgan Advanced Materials</a></li> <li><a href="/wiki/Morgan_Sindall" title="Morgan Sindall">Morgan Sindall</a></li> <li><a href="/wiki/Murray_Income_Trust" title="Murray Income Trust">Murray Income Trust</a></li> <li><a href="/wiki/Murray_International_Trust" title="Murray International Trust">Murray International Trust</a></li> <li><a href="/wiki/NB_Private_Equity_Partners" title="NB Private Equity Partners">NB Private Equity Partners</a></li> <li><a href="/wiki/NCC_Group" title="NCC Group">NCC Group</a></li> <li><a href="/wiki/NextEnergy_Solar_Fund" title="NextEnergy Solar Fund">NextEnergy Solar Fund</a></li> <li><a href="/wiki/Ninety_One_Limited" title="Ninety One Limited">Ninety One</a></li> <li><a href="/wiki/North_Atlantic_Smaller_Companies_Investment_Trust" title="North Atlantic Smaller Companies Investment Trust">North Atlantic Smaller Companies Investment Trust</a></li> <li><a href="/wiki/Ocado" title="Ocado">Ocado</a></li> <li><a href="/wiki/Kent_Reliance" title="Kent Reliance">OneSavings Bank</a></li> <li><a href="/wiki/Oxford_Instruments" title="Oxford Instruments">Oxford Instruments</a></li> <li><a href="/wiki/Pacific_Horizon_Investment_Trust" title="Pacific Horizon Investment Trust">Pacific Horizon Investment Trust</a></li> <li><a href="/wiki/PageGroup" title="PageGroup">PageGroup</a></li> <li><a href="/wiki/Pantheon_International" title="Pantheon International">Pantheon International</a></li> <li><a href="/wiki/Paragon_Banking_Group" title="Paragon Banking Group">Paragon Banking Group</a></li> <li><a href="/wiki/Patria_Private_Equity_Trust" title="Patria Private Equity Trust">Patria Private Equity Trust</a></li> <li><a href="/wiki/PayPoint" title="PayPoint">PayPoint</a></li> <li><a href="/wiki/Pennon_Group" title="Pennon Group">Pennon Group</a></li> <li><a href="/wiki/Personal_Assets_Trust" title="Personal Assets Trust">Personal Assets Trust</a></li> <li><a href="/wiki/Petershill_Partners" title="Petershill Partners">Petershill Partners</a></li> <li><a href="/wiki/Pets_at_Home" title="Pets at Home">Pets at Home</a></li> <li><a href="/wiki/Playtech" title="Playtech">Playtech</a></li> <li><a href="/wiki/Plus500" title="Plus500">Plus500</a></li> <li><a href="/wiki/Polar_Capital_Global_Financials_Trust" title="Polar Capital Global Financials Trust">Polar Capital Global Financials Trust</a></li> <li><a href="/wiki/Polar_Capital_Technology_Trust" title="Polar Capital Technology Trust">Polar Capital Technology Trust</a></li> <li><a href="/wiki/PPHE_Hotel_Group" title="PPHE Hotel Group">PPHE Hotel Group</a></li> <li><a href="/wiki/Premier_Foods" title="Premier Foods">Premier Foods</a></li> <li><a href="/wiki/Primary_Health_Properties" title="Primary Health Properties">Primary Health Properties</a></li> <li><a href="/wiki/PRS_REIT" title="PRS REIT">PRS REIT</a></li> <li><a href="/wiki/PureTech_Health" title="PureTech Health">PureTech Health</a></li> <li><a href="/wiki/PZ_Cussons" title="PZ Cussons">PZ Cussons</a></li> <li><a href="/wiki/Qinetiq" title="Qinetiq">QinetiQ</a></li> <li><a href="/wiki/Quilter_plc" title="Quilter plc">Quilter</a></li> <li><a href="/wiki/Raspberry_Pi_Holdings" title="Raspberry Pi Holdings">Raspberry Pi Holdings</a></li> <li><a href="/wiki/Rathbones" title="Rathbones">Rathbones</a></li> <li><a href="/wiki/Renewi" title="Renewi">Renewi</a></li> <li><a href="/wiki/Renishaw_plc" title="Renishaw plc">Renishaw</a></li> <li><a href="/wiki/RHI_Magnesita" title="RHI Magnesita">RHI Magnesita</a></li> <li><a href="/wiki/RIT_Capital_Partners" title="RIT Capital Partners">RIT Capital Partners</a></li> <li><a href="/wiki/Rotork" title="Rotork">Rotork</a></li> <li><a href="/wiki/RS_Group_plc" title="RS Group plc">RS Group</a></li> <li><a href="/wiki/Ruffer_Investment_Company" title="Ruffer Investment Company">Ruffer Investment Company</a></li> <li><a href="/wiki/Safestore" title="Safestore">Safestore</a></li> <li><a href="/wiki/Savills" title="Savills">Savills</a></li> <li><a href="/wiki/Schroder_AsiaPacific_Fund" title="Schroder AsiaPacific Fund">Schroder AsiaPacific Fund</a></li> <li><a href="/wiki/Schroder_Oriental_Income_Fund" title="Schroder Oriental Income Fund">Schroder Oriental Income Fund</a></li> <li><a href="/wiki/Scottish_American_Investment_Company" title="Scottish American Investment Company">Scottish American Investment Company</a></li> <li><a href="/wiki/SDCL_Energy_Efficiency_Income_Trust" title="SDCL Energy Efficiency Income Trust">SDCL Energy Efficiency Income Trust</a></li> <li><a href="/wiki/Senior_plc" title="Senior plc">Senior</a></li> <li><a href="/wiki/Sequoia_Economic_Infrastructure_Income_Fund" title="Sequoia Economic Infrastructure Income Fund">Sequoia Economic Infrastructure Income Fund</a></li> <li><a href="/wiki/Serco" title="Serco">Serco</a></li> <li><a href="/wiki/Shaftesbury_Capital" title="Shaftesbury Capital">Shaftesbury Capital</a></li> <li><a href="/wiki/Sirius_Real_Estate" title="Sirius Real Estate">Sirius Real Estate</a></li> <li><a href="/wiki/Smithson_Investment_Trust" title="Smithson Investment Trust">Smithson Investment Trust</a></li> <li><a href="/wiki/Softcat" title="Softcat">Softcat</a></li> <li><a href="/wiki/Spectris" title="Spectris">Spectris</a></li> <li><a href="/wiki/Spire_Healthcare" title="Spire Healthcare">Spire Healthcare</a></li> <li><a class="mw-selflink selflink">Spirent</a></li> <li><a href="/wiki/SSP_Group" title="SSP Group">SSP Group</a></li> <li><a href="/wiki/SThree" title="SThree">SThree</a></li> <li><a href="/wiki/St._James%27s_Place_plc" title="St. James's Place plc">St. James's Place</a></li> <li><a href="/wiki/Supermarket_Income_REIT" title="Supermarket Income REIT">Supermarket Income REIT</a></li> <li><a href="/wiki/Syncona" title="Syncona">Syncona</a></li> <li><a href="/wiki/Target_Healthcare_REIT" title="Target Healthcare REIT">Target Healthcare REIT</a></li> <li><a href="/wiki/Tate_%26_Lyle" title="Tate & Lyle">Tate & Lyle</a></li> <li><a href="/wiki/TBC_Bank" title="TBC Bank">TBC Bank</a></li> <li><a href="/wiki/Telecom_Plus" title="Telecom Plus">Telecom Plus</a></li> <li><a href="/wiki/Temple_Bar_Investment_Trust" title="Temple Bar Investment Trust">Temple Bar Investment Trust</a></li> <li><a href="/wiki/Templeton_Emerging_Markets_Investment_Trust" title="Templeton Emerging Markets Investment Trust">Templeton Emerging Markets Investment Trust</a></li> <li><a href="/wiki/The_Renewables_Infrastructure_Group" title="The Renewables Infrastructure Group">The Renewables Infrastructure Group</a></li> <li><a href="/wiki/TI_Fluid_Systems" title="TI Fluid Systems">TI Fluid Systems</a></li> <li><a href="/wiki/TP_ICAP" title="TP ICAP">TP ICAP</a></li> <li><a href="/wiki/Trainline" title="Trainline">Trainline</a></li> <li><a href="/wiki/Travis_Perkins" title="Travis Perkins">Travis Perkins</a></li> <li><a href="/wiki/Tritax_Big_Box_REIT" title="Tritax Big Box REIT">Tritax Big Box REIT</a></li> <li><a href="/wiki/Tritax_EuroBox" title="Tritax EuroBox">Tritax EuroBox</a></li> <li><a href="/wiki/TR_Property_Investment_Trust" title="TR Property Investment Trust">TR Property Investment Trust</a></li> <li><a href="/wiki/Trustpilot" title="Trustpilot">Trustpilot</a></li> <li><a href="/wiki/Twentyfour_Income_Fund" title="Twentyfour Income Fund">Twentyfour Income Fund</a></li> <li><a href="/wiki/Urban_Logistics_REIT" title="Urban Logistics REIT">Urban Logistics REIT</a></li> <li><a href="/wiki/Vesuvius_plc" title="Vesuvius plc">Vesuvius</a></li> <li><a href="/wiki/Victrex" title="Victrex">Victrex</a></li> <li><a href="/wiki/Vietnam_Enterprise_Investments" title="Vietnam Enterprise Investments">Vietnam Enterprise Investments</a></li> <li><a href="/wiki/VinaCapital_Vietnam_Opportunity_Fund" title="VinaCapital Vietnam Opportunity 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