Contact

Support

Threema: If you need technical assistance in relation to the Threema app, and the FAQs don’t cover your issue, please contact us via the support form.

Threema Work / Threema Education: Do you have a question that’s not covered by the Online Help? Please log in to the managment cockpit, and contact us using the form in the Support section.

Threema Broadcast: Questions about Threema Broadcast that aren’t addressed in the FAQs will be gladly answered via support-broadcast at threema dot ch.

Threema Gateway: For questions regarding Threema Gateway, please send an email to support-gateway at threema dot ch.

Feedback and General Inquiries

To share your feature suggestions, other requests, or concerns you might have, please use the feedback form.

If you have a general question that’s not covered by the FAQs, please contact us via info at threema dot ch.

Business Inquiries

For inquiries in relation to our business products (Threema Work, etc.), please send an email to our sales team: sales at threema dot ch

Press

Our media department is happy to answer press inquiries sent to press at threema dot ch. Please find screenshots and other press material on the press site.

Security

If you discover a security issue in Threema, please contact us on the *SECURIT Threema ID (Key Fingerprint: ae073b054d5dfc383f483ad58387aaa5) or via security2020 at threema dot ch, and adhere to the “responsible disclosure” policy.

Our PGP public key fingerprint:

pub		rsa4096 2017-02-08 [SC] [expires: 2022-02-07]
		677E 0E97 1669 53B3 2620  D95C 71B9 C6BA C55A 9855

Addresss

Threema GmbH
Churerstrasse 82
8808 Pfäffikon SZ
Switzerland
Company ID: CHE-221.440.104