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Threema is a secure and private instant messaging application developed by Threema GmbH in Switzerland. Renowned for its strong focus on security and privacy, Threema offers end-to-end encryption for all messages, voice calls, video calls, group chats, and files. Unlike many other messaging services, Threema can be used anonymously without requiring a phone number or email address, and it adheres to a strict 'privacy by design' principle. The company emphasizes its Swiss jurisdiction, known for strong privacy laws, and operates its own servers in Switzerland. Threema is available for individuals, and also offers business solutions like Threema Work for secure enterprise communication.
The headquarters serves as the central hub for Threema's operations, including software development, security research, product management, marketing, sales, and customer support.
While specific architectural details are not publicly emphasized, the headquarters is a modern office space designed to facilitate collaboration and innovation, with a strong emphasis on secure infrastructure reflecting the company's core product.
Threema fosters a work culture centered around privacy, security, engineering excellence, and innovation. Employees are passionate about creating a trustworthy communication platform. The environment likely encourages meticulous attention to detail and a commitment to user data protection.
The Swiss headquarters is significant as it underscores Threema's commitment to operating under strong privacy regulations, a key differentiator in the messaging app market. It's the birthplace and core of their privacy-focused technology.
Threema supports a global user base, with its application available worldwide on iOS and Android platforms. While its physical operations and servers are strategically located in Switzerland to benefit from strong privacy laws, its services are accessible to users internationally. The company provides customer support and develops features for a diverse, privacy-conscious global community and offers Threema Work for businesses globally.
Churerstrasse 82
Pfäffikon SZ
SZ
Switzerland
Address: N/A
Focus on centralized global service delivery from Switzerland.
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As of April 2025, Threema' leadership includes:
Threema has been backed by several prominent investors over the years, including:
Threema, being a privately held and relatively small company, does not frequently publicize executive changes unless significant. No major executive hires or exits have been prominently reported in the last 12 months, indicating stability in its leadership team.
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Threema GmbH's official communication primarily uses email addresses associated with their threema.ch domain. Common formats for professional communication are likely standard patterns such as [first].[last]@threema.ch. For general inquiries, they provide specific addresses like support@threema.ch or press@threema.ch.
[first].[last]@threema.ch
Format
martin.blatter@threema.ch
Example
85%
Success rate
Threema Blog • February 29, 2024
The latest Threema version for iOS, 5.5, introduces a new feature allowing users to find suitable dates for events by integrating their system calendar to create polls, enhancing group coordination....more
Threema Blog • November 30, 2023
Threema OnPrem now offers comprehensive Mobile Device Management (MDM) support, allowing administrators to fully configure the Threema app on company devices, alongside improvements like LDAP support for user synchronization....more
Threema Blog • October 12, 2023
Threema announced that its Android app builds are now reproducible, allowing anyone to verify that the published source code corresponds exactly to the app available on Google Play, further enhancing transparency and security....more
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