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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.

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Two puzzle pieces facing each other that do not fit together on a green background.
Promotional banner for Digital Office Conference with Threema.Work and bitkom events logos and colorful origami birds.
Threema Work

Talk: How to Protect Know-How, IP, and Trade Secrets in Business Messaging

Mobile screen displaying a notification from the CEO saying 'Urgent request !!!' alongside a large warning triangle icon.
Threema Work

CEO Fraud via Messenger: Learn How to Protect Your Company

CEO fraud is on the rise. However, it’s not just emails anymore but also WhatsApp messages to be wary of. Cybercriminals pretend to be a a company’s CEO or another superior in order to obtain sensitive information. In this blog post, you’ll learn how to protect your company against CEO fraud and the financial losses it can cause.

Radial blue background with chat bubbles containing icons: search, users, clock, text, chart, list, connectors.
Threema Work

A Variety of Exciting New Features for Threema Work

Today, Threema’s tried-and-trusted business solution gets even more useful, versatile, and feature-rich. For one thing, Threema Work receives a highly convenient and fully scalable internal user directory. For another, Threema Broadcast adds support for scheduled messages, and by introducing polls and interactive messages, it redefines one-to-many communication.

Illustration of people around a large smartphone sending messages and collaborating online.
Threema Work

Webinar on the Legally Compliant Use of Messaging Services in Companies (German)

Illustration of a smartphone showing two message notifications and the text “Notifications without Google Services”.
Threema Private

Threema Push for Android

WhatsApp logo above the text 'E2EE ≠ Privacy' on a dark green background.
Threema Private

WhatsApp and the Commodity of the 21st Century

Threema Private

Data Privacy Week: Raise Awareness with Your Profile Picture

Smartphone screen showing Threema Broadcast marketing dashboard with megaphone, user, chat icons.
Threema Work

Threema Broadcast: One-to-Many Communication the Easy Way

Threema Work is primarily known for unparalleled privacy protection and state-of-the-art security. But the tried and tested messaging solution also packs a substantial set of features. Powerful tools like Threema Broadcast allow companies to unlock the full potential of instant messaging for business purposes. Threema Broadcast provides a variety of easy and straightforward ways to incorporate targeted one-to-many communication into everyday work.

Cover of privacy friendly messenger study guide showing smartphone, chat bubbles, checklist and download icons.
Threema Work

Legal Study on the Corporate Use of Messaging Services (German)