Threema Work. For Companies

2.17K reviews
Content rating
Rated for 3+
1M+
Downloads
Content rating
Rated for 3+
Users Interact
Learn more
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About this app

Threema Work is the highly secure, user-friendly, and GDPR-compliant communication solution for businesses. Whether team chats, voice or video calls, or files: all content is end-to-end encrypted so that your communication remains protected at all times.

Advantages of Threema Work:
• Text and voice messages as well as group chats for efficient team collaboration
• Screen sharing on desktop
• Editing sent messages and deleting them for chat partners
• Secure voice, video, and group calls
• Sharing files in all formats (PDF, GIF, MP3, ZIP, and more)
• Creating groups and polls
• Sending pictures, videos, and locations
• Practical off-hours policy
• Cross-platform use thanks to mobile app, desktop app, and web client
• Additional protection of confidential chats with PIN or fingerprint

Reliable security:
• Use without a phone number or email address possible
• Servers in Switzerland
• Management of groups, broadcasts, and contacts by the administrator
• Preconfiguration and app policies for employees
• Easy integration into all common MDM/EMM systems
• Regular audits by independent security experts

NOTE FOR PRIVATE USERS: Threema Work is designed for companies. As a private individual, please use Threema Private.

Enjoy using Threema Work!
The Secure Business Messenger. Trusted by millions. Rock-solid security.
Updated on
Nov 4, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • No data shared with third parties
    Learn more about how developers declare sharing
  • No data collected
    Learn more about how developers declare collection
  • Data is encrypted in transit
  • Data can’t be deleted

Ratings and reviews

2.09K reviews
Kostas Kapatais
October 28, 2026
Really bad. Sent a QR code to scan, but cannot access and is asking for inexisting credentials
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Jean-Claude Cuenat
January 15, 2021
Security is something you first need to understand. App does what it should do in a secure manner. Its the admin (in your organization) who needs to understand the setup and how to manage, most of all to explain users they are getting a new identity. Then a bit of thinking on user side, then this does exactly what you need. Having an ID instead of a linked phone number is first a little tricky to understand but again there's a reason. Haven't yet worked through all features :-)
237 people found this review helpful
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Pavel Dvořák
February 23, 2021
Missing group calls!!! Otherwise works well in 80% of cases. In the rest, the call keeps initializing, or the recipient tries to answer in vain. Need to call again and hope it'll work. Usually it does, on the second try.
181 people found this review helpful
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What’s new

- New: Report spam group chats and block the creator
- Various improvements and bug fixes