Threema is Europe’s leading secure communication solution. We protect digital conversations and provide rigorous privacy for private individuals and organizations.
More than 8,000 organizations and over 12 million people worldwide trust Threema for secure communication.
Threema Work meets high security and regulatory standards. Ranging from small businesses to global enterprises and spanning all sectors, our solution fits various business use cases:
Secure alternative to private messengers and complement to common collaboration tools
Business continuity management for secure crisis communication
Bring Your Own Device environment with robust data security
One-to-many communication via Threema Broadcast
Centralized user, group, and policy management through our intuitive management cockpit
The self-hosted communication solution for highest demands on security and confidentiality.
Share patient and clinical trial data, ensure emergency communication.
Exchange customer data, align with clients.
Exchange sensitive documents, ensure mission critical communication.
Communicate with students, teachers, and parents, share real-time information.
Spread information across companies and organizations, communicate top-down, report and assign errors.
monthly, per user
monthly, per user
Legal certainty through comprehensive GDPR compliance
Consistent end-to-end encryption for comprehensive protection of sensitive data
Zero-knowledge architecture for highest security requirements
Privacy comes first – we keep your conversations truly private and secure.
End-to-end encrypted messaging, calls, and file exchange
No phone number or email address required
Free of ads and tracking mechanisms
Minimal metadata, maximum confidentiality
We promise security and also prove it.
Fully open source
Independently verified through regular external audits
GDPR-compliant and hosted in ISO 27001–certified Swiss data centers
Strict data minimization
Threema combines modern, powerful, and versatile technology for all needs.
Native apps for Android, iOS, and the desktop
Comprehensive APIs and seamless integration (Active Directory, MDM, etc.)
Reliable, cross-platform communication
Developed and hosted in Switzerland
