Threema GmbH is a Swiss provider of privacy-focused secure messaging for individuals and organizations.
Founded in 2012 by Manuel Kasper, Silvan Engeler and Martin Blatter in Switzerland, Threema GmbH offers privacy-focused messaging for individuals and organizations, mainly in Europe. Its products include Threema Work for corporate messaging, Threema Private for anonymous communication without a phone number or email, and Threema OnPrem for on-premises hosting, used by over 8,000 organizations. Comitis Capital acquired the company from Afinum Management on 11 January 2026, with the deal expected to close in January 2026.
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