Contact Threema OnPrem

Contact Threema OnPrem Support


Company Name:

About: Threema OnPrem is the self-hosted messaging solution for organizations that
require maximum security. The combination of Threema’s well-established
security architecture and total data ownership results in a self-contained chat
environment that is unparalleled in terms of confidentiality and is suitable for
professional use in banks, government agencies, and industrial companies.


 
  2026-04-09

Threema OnPrem Customer Service 💢

Hard-to-find customer service info can be a red flag. Is Threema OnPrem Safe to use?

The following contact options are available: Pricing Information, Support, General Help, and Press Information/New Coverage (to guage reputation). Discover which options are the fastest to get your customer service issues resolved.



NOTE: If the links below doesn't work for you, Please go directly to the Homepage of Threema GmbH



Verified email ✔✔

E-Mail: [email protected]

Website: 🌍 Visit Threema OnPrem. Self-Hosted Website

Privacy Policy: https://threema.ch/privacy_policy/?lang=en&platform=android&version=0k

Developer: Threema GmbH





Can I trust Threema OnPrem app?

Protect your data and wallet. We investigate the developer's website (Threema.ch), verify they're legit, and uncover hidden scams or complaints.




0 Most reported problems 😔💔

5.0 out of 5



Have a Problem with Threema OnPrem? Report Issue




Why should I report an Issue with Threema OnPrem?

  1. Pulling issues faced by users like you is a good way to draw attention of Threema OnPrem to your problem using the strength of crowds. We have over 1,000,000 users and companies will listen to us.
  2. We have developed a system that will try to get in touch with a company once an issue is reported and with lots of issues reported, companies will definitely listen.
  3. Importantly, customers can learn from other customers in case the issue is a common problem that has been solved before.
  4. If you are a Threema OnPrem customer and are running into a problem, Justuseapp might not be the fastest and most effective way for you to solve the problem but at least you can warn others off using Threema OnPrem.


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