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<!DOCTYPE html> <html lang="en"><head><title>Impressum – Threema</title><link rel="canonical" href="https://threema.ch/en/impressum"/> <link rel="stylesheet" href="https://static.threema.ch/fonts/labgrotesque.css"/> <meta name="viewport" content="width=device-width, initial-scale=1.0"/> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/> <meta name="description" content="Impressum: Threema GmbH Switzerland"/> <meta name="apple-itunes-app" content="app-id=578665578, affiliate-data=10lJMu"/> <meta name="google-play-app" content="app-id=ch.threema.app"/> <meta property="og:image" content="https://threema.ch/images/logo-big.png"/> <meta property="og:image:secure_url" content="https://threema.ch/images/logo-big.png"/> <meta name="twitter:card" content="summary"/> <meta name="twitter:site" content="@ThreemaApp"/> <meta property="og:title" content="Impressum – Threema"/> <meta property="og:description" content="Impressum: Threema GmbH Switzerland"/> <meta name="robots" 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1.4c.6.8 1 1.7 1.3 2.6H5.4c.3-.9.7-1.8 1.3-2.6zM1.5 8c-.1-.4-.2-.9-.2-1.3s.1-.9.2-1.3h2.3c-.1.4-.1.8-.1 1.3s0 .9.1 1.3H1.5zm.6 1.3h2c.2.8.5 1.6.9 2.4-1.3-.4-2.3-1.3-2.9-2.4zM4 4H2c.6-1.1 1.7-2 2.9-2.4-.4.8-.7 1.6-.9 2.4zm2.7 8c-.6-.8-1-1.7-1.3-2.6h2.5c-.2.9-.7 1.8-1.2 2.6zm1.5-4H5.1c0-.4-.1-.9-.1-1.3 0-.5 0-.9.1-1.3h3.1c.1.4.1.9.1 1.3s0 .9-.1 1.3zm.2 3.7c.4-.7.7-1.5.9-2.4h2c-.7 1.1-1.7 2-2.9 2.4zM9.6 8c.1-.4.1-.9.1-1.3 0-.5 0-.9-.1-1.3h2.3c0 .4.1.8.1 1.3s-.1.9-.2 1.3H9.6z"/></svg> </div>en</div><div class="nav-dropdown-menu dropdown-menu"><a class="nav-dropdown-item nav-dropdown-item--small text-left" href="/de/impressum" dir="ltr"><span class="nav-dropdown-itemTitle nav-dropdown-itemTitle--small">Deutsch</span></a><a class="nav-dropdown-item nav-dropdown-item--small text-left nav-dropdown-item--active" href="/en/impressum" dir="ltr"><span class="nav-dropdown-itemTitle nav-dropdown-itemTitle--small">English</span></a><a class="nav-dropdown-item nav-dropdown-item--small text-left" href="/fr/impressum" dir="ltr"><span class="nav-dropdown-itemTitle nav-dropdown-itemTitle--small">Français</span></a><a class="nav-dropdown-item nav-dropdown-item--small text-left" href="/es/impressum" dir="ltr"><span class="nav-dropdown-itemTitle nav-dropdown-itemTitle--small">Español</span></a></div></div><div class="nav-dropdown dropdown"><button class="thr-btn-transparent nav-dropdown-btn nav-dropdown-btn--products dropdown-toggle thr-textIcon thr-textIcon--right thr-textIcon--chevronDown" data-toggle="dropdown">Products</button><div class="nav-dropdown-menu dropdown-menu"><div class="nav-dropdown-group text-left" dir="ltr"><a class="nav-dropdown-item nav-dropdown-item--center" href="/en"><div class="nav-dropdown-itemIcon thr-svg thr-svg--w-100"></div><div><span class="nav-dropdown-itemTitle">Overview</span></div></a></div><div class="nav-dropdown-group text-left" dir="ltr"><p class="nav-dropdown-group-title">For Individuals</p><a class="nav-dropdown-item nav-dropdown-item--active" 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</div><div><span class="nav-dropdown-itemTitle">Threema</span><span class="nav-dropdown-itemDesc">For individuals</span></div></a><a class="nav-dropdown-item " href="/en/gateway"><div class="nav-dropdown-itemIcon thr-svg thr-svg--w-100"></div><div><span class="nav-dropdown-itemTitle">Threema Gateway</span><span class="nav-dropdown-itemDesc">Integration into your software</span></div></a></div><div class="nav-dropdown-group text-left" dir="ltr"><p class="nav-dropdown-group-title">For Companies</p><a class="nav-dropdown-item " href="/en/work/business-messenger?li=business-solution"><div class="nav-dropdown-itemIcon thr-svg thr-svg--w-100"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 60 60"><g fill="none" fill-rule="evenodd"><rect width="60" height="60" fill="#004A7F" rx="3"/><path fill="#FFF" fill-rule="nonzero" d="m21.552 40.359-9.657 2.414 2.063-8.255c-2.044-2.693-3.235-5.93-3.235-9.41 0-9.369 8.63-16.963 19.277-16.963s19.277 7.594 19.277 16.962c0 9.369-8.63 16.963-19.277 16.963-3.03 0-5.897-.615-8.448-1.711Zm2.98-16.66h-.216a.879.879 0 0 0-.878.88v7.706c0 .486.393.88.878.88h11.368a.879.879 0 0 0 .879-.88v-7.707a.879.879 0 0 0-.88-.879h-.214v-2.184a5.466 5.466 0 0 0-5.472-5.46 5.465 5.465 0 0 0-5.466 5.46V23.7Zm8.75 0h-6.563v-2.183a3.28 3.28 0 0 1 3.28-3.277 3.28 3.28 0 0 1 3.282 3.277v2.183Z"/><path fill="#0096FF" d="M33.278 49.687a3.28 3.28 0 1 1-6.56 0 3.28 3.28 0 1 1 6.56 0Zm-11.833 0a3.28 3.28 0 1 1-6.56 0 3.28 3.28 0 1 1 6.56 0Zm23.666 0a3.28 3.28 0 1 1-6.56 0 3.28 3.28 0 1 1 6.56 0Z"/></g></svg> </div><div><span class="nav-dropdown-itemTitle">Threema Work</span><span class="nav-dropdown-itemDesc">For companies</span></div></a><a class="nav-dropdown-item " href="/en/broadcast"><div class="nav-dropdown-itemIcon thr-svg thr-svg--w-100"></div><div><span class="nav-dropdown-itemTitle">Threema Broadcast</span><span class="nav-dropdown-itemDesc">Top-down communication</span></div></a><a class="nav-dropdown-item " href="/en/onprem"><div 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</div>English</div></div><div class="nav-actions nav-actions--sm"><a class="nav-actions-item thr-btn thr-btn--big thr-btn--primary50 thr-btn--brand-primary" href="/en/work/business-messenger">Threema for organizations</a></div></ul><div class="nav-actions"><a class="nav-actions-item thr-btn thr-btn--primary50 thr-btn--small thr-btn--brand-primary" href="/en/work/business-messenger">Threema for organizations</a></div><div class="navbar-bottom"><div class="nav-item nav-item--button thr-btn-transparent thr-btn--big nav-item--showOnlyMobile nav-item--withSubNav " data-key="products"><div class="nav-link" title="Products">Products</div></div></div></div></div></nav><div class="nav-subNav navbar-expand-md text-left" dir="ltr"><div class="container-fluid container-fluid--xl"><button type="button" class="nav-subNav-close" data-toggle="collapse"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path fill="currentColor" fill-rule="evenodd" d="m6.843 13.015 5.056 5.056-1.414 1.414L3 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class="navbar-subNav navbar-nav py-2" data-key="products"><ul class="subNav-col py-2"><li class="nav-item nav-item--subNav nav-item--withSubNav"><ul class="subNav-items p-0"><li class="nav-item"><a class="nav-dropdown-item nav-dropdown-item--center" href="/en"><div class="nav-dropdown-itemIcon thr-svg thr-svg--w-100"></div><div><span class="nav-dropdown-itemTitle">Overview</span></div></a></li></ul></li></ul><ul class="subNav-col py-2"><li class="nav-item nav-item--subNav nav-item--withSubNav"><p class="nav-dropdown-group-title">For Individuals</p><ul class="subNav-items p-0"><li class="nav-item active"><a class="nav-dropdown-item" href="/en/secure-messenger"><div class="nav-dropdown-itemIcon thr-svg thr-svg--w-100"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 61 60"><g fill="none" fill-rule="nonzero" transform="translate(.5)"><rect width="60" height="60" fill="#323232" rx="2.93"/><path fill="#FFF" d="m21.552 40.359-9.657 2.414 2.063-8.255c-2.044-2.693-3.235-5.93-3.235-9.41 0-9.369 8.63-16.963 19.277-16.963s19.277 7.594 19.277 16.962c0 9.369-8.63 16.963-19.277 16.963-3.03 0-5.897-.615-8.448-1.711Zm2.98-16.66h-.216a.879.879 0 0 0-.878.88v7.706c0 .486.393.88.878.88h11.368a.879.879 0 0 0 .879-.88v-7.707a.879.879 0 0 0-.88-.879h-.214v-2.184a5.466 5.466 0 0 0-5.472-5.46 5.465 5.465 0 0 0-5.466 5.46V23.7Zm8.75 0h-6.563v-2.183a3.28 3.28 0 0 1 3.28-3.277 3.28 3.28 0 0 1 3.282 3.277v2.183Z"/><path fill="#05A63F" d="M33.278 49.687a3.28 3.28 0 1 1-6.56 0 3.28 3.28 0 1 1 6.56 0Zm-11.833 0a3.28 3.28 0 1 1-6.56 0 3.28 3.28 0 1 1 6.56 0Zm23.666 0a3.28 3.28 0 1 1-6.56 0 3.28 3.28 0 1 1 6.56 0Z"/></g></svg> </div><div><span class="nav-dropdown-itemTitle">Threema</span><span class="nav-dropdown-itemDesc">For individuals</span></div></a></li><li class="nav-item"><a class="nav-dropdown-item" href="/en/gateway"><div class="nav-dropdown-itemIcon thr-svg thr-svg--w-100"></div><div><span class="nav-dropdown-itemTitle">Threema Gateway</span><span class="nav-dropdown-itemDesc">Integration into your software</span></div></a></li></ul></li></ul><ul class="subNav-col py-2"><li class="nav-item nav-item--subNav nav-item--withSubNav"><p class="nav-dropdown-group-title">For Companies</p><ul class="subNav-items p-0"><li class="nav-item"><a class="nav-dropdown-item" href="/en/work/business-messenger?li=business-solution"><div class="nav-dropdown-itemIcon thr-svg thr-svg--w-100"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 60 60"><g fill="none" fill-rule="evenodd"><rect width="60" height="60" fill="#004A7F" rx="3"/><path fill="#FFF" fill-rule="nonzero" d="m21.552 40.359-9.657 2.414 2.063-8.255c-2.044-2.693-3.235-5.93-3.235-9.41 0-9.369 8.63-16.963 19.277-16.963s19.277 7.594 19.277 16.962c0 9.369-8.63 16.963-19.277 16.963-3.03 0-5.897-.615-8.448-1.711Zm2.98-16.66h-.216a.879.879 0 0 0-.878.88v7.706c0 .486.393.88.878.88h11.368a.879.879 0 0 0 .879-.88v-7.707a.879.879 0 0 0-.88-.879h-.214v-2.184a5.466 5.466 0 0 0-5.472-5.46 5.465 5.465 0 0 0-5.466 5.46V23.7Zm8.75 0h-6.563v-2.183a3.28 3.28 0 0 1 3.28-3.277 3.28 3.28 0 0 1 3.282 3.277v2.183Z"/><path fill="#0096FF" d="M33.278 49.687a3.28 3.28 0 1 1-6.56 0 3.28 3.28 0 1 1 6.56 0Zm-11.833 0a3.28 3.28 0 1 1-6.56 0 3.28 3.28 0 1 1 6.56 0Zm23.666 0a3.28 3.28 0 1 1-6.56 0 3.28 3.28 0 1 1 6.56 0Z"/></g></svg> </div><div><span class="nav-dropdown-itemTitle">Threema Work</span><span class="nav-dropdown-itemDesc">For companies</span></div></a></li><li class="nav-item"><a class="nav-dropdown-item" href="/en/broadcast"><div class="nav-dropdown-itemIcon thr-svg thr-svg--w-100"></div><div><span class="nav-dropdown-itemTitle">Threema Broadcast</span><span class="nav-dropdown-itemDesc">Top-down communication</span></div></a></li><li class="nav-item"><a class="nav-dropdown-item" href="/en/onprem"><div class="nav-dropdown-itemIcon thr-svg thr-svg--w-100"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><g fill="none" fill-rule="evenodd"><path fill="#BB2E27" d="M4.883 0A4.883 4.883 0 0 0 0 4.883v90.234A4.883 4.883 0 0 0 4.883 100h90.234A4.883 4.883 0 0 0 100 95.117V4.883A4.883 4.883 0 0 0 95.117 0H4.883Z"/><g fill="#FFF"><path d="m36.975 66.842-15.548 4.147 3.323-14.183c-3.29-4.627-5.21-10.187-5.21-16.168 0-16.095 13.896-29.144 31.035-29.144 17.14 0 31.034 13.049 31.034 29.144S67.715 69.782 50.575 69.782c-4.878 0-9.493-1.057-13.6-2.94Zm4.796-28.623h-.347c-.78 0-1.414.676-1.414 1.511v13.24c0 .834.633 1.51 1.414 1.51h18.301c.781 0 1.414-.676 1.414-1.51V39.73c0-.835-.633-1.51-1.414-1.51h-.345v-3.754c0-5.175-3.94-9.38-8.809-9.38-4.86 0-8.8 4.205-8.8 9.38v3.753Zm14.087 0H45.293v-3.751c0-3.107 2.364-5.631 5.28-5.631 2.921 0 5.285 2.524 5.285 5.63v3.752ZM55.853 82.51a5.278 5.278 0 0 1-5.283 5.281 5.28 5.28 0 1 1 5.283-5.28m-19.05 0a5.28 5.28 0 0 1-5.283 5.28 5.28 5.28 0 1 1 5.283-5.28m38.1 0a5.278 5.278 0 0 1-5.284 5.28 5.277 5.277 0 0 1-5.276-5.28 5.28 5.28 0 0 1 10.56 0"/></g></g></svg> </div><div><span class="nav-dropdown-itemTitle">Threema OnPrem</span><span class="nav-dropdown-itemDesc">Self-hosted enterprise messaging</span></div></a></li><li class="nav-item"><a class="nav-dropdown-item" href="/en/gateway"><div class="nav-dropdown-itemIcon thr-svg thr-svg--w-100"></div><div><span class="nav-dropdown-itemTitle">Threema Gateway</span><span class="nav-dropdown-itemDesc">Integration into your software</span></div></a></li></ul></li></ul></ul><ul class="navbar-subNav navbar-nav" data-key="logins"><li class="nav-item thr-work-login nav-item--subNav" data-key="work-login"><a class="nav-link" href="https://work.threema.ch/en/login"><span class="nav-link-text">Threema Work<div class="nav-link-icon"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 10 10"><path d="M7.19 8.14H2.42v1.33h7.06V2.42H8.15v4.79L1.46.53l-.94.94 6.67 6.67Z" fill="currentColor" /></svg> </div></span></a></li><li class="nav-item thr-broadcast-login nav-item--subNav" data-key="broadcast-login"><a class="nav-link" href="https://broadcast.threema.ch/en/login"><span 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GmbH<br/>Churerstrasse 82<br/>8808 Pfäffikon SZ<br/>Switzerland<br/>Company ID: CHE-221.440.104</p> <p><code>info at threema dot ch</code></p> </div> </main> <footer class="border-top footer mb-4 pt-5"><div class="container-fluid container-fluid--xl"><div class="footer__row mb-3"><div class="footer__block"><span class="thr-ft-title">Products</span><a class="thr-ft-link" href="/en" title="Overview">Overview</a><a class="thr-ft-link active" href="/en/secure-messenger" title="Threema">Threema</a><a class="thr-ft-link" href="/en/work/business-messenger" title="Threema Work">Threema Work</a><a class="thr-ft-link" href="/en/broadcast" title="Threema Broadcast">Threema Broadcast</a><a class="thr-ft-link" href="/en/onprem" title="Threema OnPrem">Threema OnPrem</a><a class="thr-ft-link" href="/en/gateway" title="Threema Gateway">Threema Gateway</a></div><div><div class="footer__block"><span class="thr-ft-title">Threema</span><a class="thr-ft-link" href="/en/features" 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