City of Freiburg im Breisgau

Threema Work: The Secure WhatsApp Alternative

The city of Freiburg im Breisgau employs around 4,000 staff members across 50 departments. The city administration has been using Threema Work since the trial period in 2020, and the number of users has been steadily increasing ever since. As of now, one third of the city’s employees can use Threema Work for professional communication.

Use Cases

  • For the city administration’s staff, Threema Work constitutes the perfect WhatsApp alternative
  • The messenger is particularly popular among the mobile workforce
  • The most important group chats are managed using Threema Broadcast, which allows for central administration
  • The handy “off-hours policy” ensures a healthy work–life balance
  • Employees who are not equipped with a company smartphone can also be addressed
Michael Schulz

Michael Schulz

Head of IT

“Threema Work is a privacy-compliant messaging app our employees can use without having to worry.”

The wide range of features and the unparalleled cost effectiveness won us over.


Thanks to the comprehensible documentation, integration into one’s own directory service is a breeze.


The independent infrastructure and the fact that the apps are open source are also major advantages.

Over 8,000 companies and organizations use Threema Work as their business-messaging service.

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