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On July 8, 2026, Threema GmbH was converted into Threema AG. Previously, the company operated through two legal entities: Threema GmbH and Threema Holding AG. To simplify the corporate structure, these entities were merged into a single company: Threema AG.
This change has no impact on our users. The company’s headquarters will remain in Switzerland. All contracts and obligations of Threema GmbH have been transferred to Threema AG and will remain unchanged.
New article:
Messenger Interoperability: Well-Intended, but Bad for Data Privacy
WhatsApp has been open to third-party messaging services since fall 2025. Under the EU’s Digital Markets Act (DMA), the platform is required to support interoperability with alternative chat services. While we support the DMA’s underlying goals, we have decided not to implement interoperability with WhatsApp for several reasons.
Threema Work
Chat on the Computer Without a Browser
Threema Private
Chat on the Computer Without a Browser
Threema Work
Threema Work and Healthcare – A Perfect Match
Threema Private
Threema for Android Introduces Contact-Specific Privacy Settings
Threema Work
Messengers and Shadow IT: The Risks
The term “shadow IT” refers to software and hardware used by employees without their company’s knowledge or approval. One reason for the rise of shadow IT is the increasing number of cloud services, “software as a service” solutions, and messenger apps targeted at consumers. Employees have a plethora of easy-to-use options at their fingertips, and they already know how to use many of them from personal experience. If a process doesn’t run smoothly and no assistance from the IT department is available, employees are tempted to address the problem by resorting to their own tools.
Threema Private
Threema OnPrem: Maximum Security Thanks to Self-Hosting
Threema Work
Threema OnPrem: Maximum Security Thanks to Self-Hosting
Threema Work
1 Year Since the Invalidation of the Privacy Shield Agreement: 5 Recommended Actions for Privacy-Compliant and Secure Corporate Communication
With the end of the EU–US and Swiss–US Privacy Shield agreements in 2020, the transfer of personal data from Switzerland and the European Union to the US has lost an important legal basis. A year later, many companies are still unsure to which extent their data on US servers is adequately protected from third-party access. Find out which regulations apply for data transmission to the US right now and which measures help you to reach privacy-compliant communication in your company.
