Transaction Details

September 3, 2020



Deal Type


Deal Team

Thomas Egli, Alexander M. Grünwald, Thomas Eulau, Daniel Schreiber, Robert Ober, Joe Schöler

GCA Altium advises Threema on its partnership with Afinum

GCA Altium has acted as exclusive financial advisor to the founders on the partnership of Threema GmbH, an established Swiss developer of highly secure instant messaging and communications solutions, with the German Private Equity fund Afinum.

Threema, which is based in Pfäffikon, Switzerland, and employs 21 people, is the leading European provider of secure instant messaging solutions for organisations and private individuals with a consistent focus on security and data protection. The company was founded in 2014 by three Swiss software developers who will continue to lead it and will retain a significant share in the company. Threema’s corporate messaging solution “Threema Work” has become the market leader in the German-speaking world, and the company counts numerous DAX 30 companies, administrations, NGOs and educational institutions among its customer base.

“Afinum fully shares our values and ideals regarding the uncompromising focus of our products on security and data protection. The resources we gain through the partnership with Afinum not only enable us to continue to grow in the B2B sector but also open up scope for new, visionary projects,” said Martin Blatter, CEO of Threema.

In the coming months, Threema will fully disclose the source code of its apps to enable reproducible builds. This comprehensive transparency allows anyone to check the security and functionality of Threema and verify that the published source code matches the installed app. In addition, thanks to an innovative, cross-platform multi-device solution, Threema will, in future, be conveniently usable on several devices in parallel, and without leaving personal data on a server.

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