Threema

Threema is a globally recognized secure instant messaging application that prioritizes user privacy and data security. Founded in Switzerland, the software is developed with a focus on 'security by design,' offering end-to-end encryption for all types of communication, including messages, voice calls, and file transfers. Unlike many other messaging platforms, Threema does not require a phone number or email address to sign up, allowing for completely anonymous usage.

The development and maintenance of the product occur primarily in Switzerland, benefiting from the country's strict privacy laws. The brand has expanded its portfolio to include Threema Work and Threema Gateway, catering to corporate communications and automated messaging needs. As an independent entity, Threema remains a self-funded company, ensuring that its development priorities are aligned with its mission of privacy rather than advertising revenue.