End-to-end encrypted exchange of messages, calls, and files for businesses, military, authorities, and individuals – GDPR-compliant and developed in Switzerland.
Security and Privacy as the Cornerstones of Digital Communication
Threema is a Swiss messaging app known for its strong focus on privacy and security. The application provides end-to-end encryption for text messages, voice calls, and file transfers, ensuring that communication remains protected from unauthorized access. Unlike many other messaging apps, Threema does not rely on phone numbers, which enhances user privacy. Its ID verification feature allows users to confirm the authenticity of their contacts. Threema is available across platforms and offers a wide range of features to ensure secure communication for its users.
Key features of Threema:
Threema Work
Secure Business Messenger with Comprehensive Control
Optimize your corporate communication with Threema Work. In the intuitive management cockpit, you can configure all user permissions settings centrally. Your teams work GDPR-compliant with all the features of modern messengers – from structured group chats to encrypted voice and video calls for efficient collaboration without privacy risks.
Threema OnPrem
Complete Data Sovereignty Through Self-Hosting
Rely on the highest security standards with Threema OnPrem. Operate the messenger on your own infrastructure and maintain full control over your data. Protect your company against industrial espionage and cyberattacks through a closed communication environment. Tailored to security-critical companies and organizations with strict compliance requirements.
Threema Private
Personal Communication with Consistent Privacy Protection
Protect your private conversations from data collection and surveillance. With Threema Private, you communicate securely and, if desired, anonymously – without providing a phone number or email address. Thanks to end-to-end encryption, chats, calls, and files remain truly confidential.
Why Threema
Uncompromising Privacy and Security
With end-to-end encryption
Swiss-Made with Open Source Transparency
Developed and hosted in Switzerland
Ideal for Personal & Business Use
Fully GDPR-compliant with enterprise-grade features
Trust Threema’s secure, Swiss-made messaging app to protect your communications.
Discover how Threema ensures end-to-end encryption, enhances privacy, and simplifies secure collaboration — all without compromising convenience or compliance.
Featured Products
Ask Us About Threema
Contact Threemas´ product manager: Karl Huber