Retarus GmbH key facts
Last updated- Legal entity
- retarus GmbH
- Headquarters
- Germany (DE)
- Ownership
- Part of retarus GmbH
- Founded
- 1992
- Data hosting
- Germany, Austria, Switzerland, EU (any EU region), United States, Singapore
- Infrastructure
- Self-hosted (Retarus Data Centers)
- Deployment
- SaaS
- Open source
- No
- US Cloud Act exposure
- Low (no US parent)
- Certifications
- ISO 27001, SOC1/SOC2, ISAE 3402, TISAX
- Replaces
- Microsoft Exchange Online Protection, Proofpoint, Mimecast, Twilio, OpenText
About Retarus GmbH
retarus GmbH is a global provider of enterprise cloud messaging services, specializing in high-security email communication, cloud fax, and SMS solutions. Headquartered in Munich, Germany, the company operates its own infrastructure across multiple global data centers. The platform provides managed services for securing email traffic, automating business workflows through messaging APIs, and ensuring compliant digital exchange of sensitive documents. Retarus focuses on technical sovereignty and strict adherence to European data protection standards for large-scale enterprise environments.
Alternative to
Target Segments
Deployment Options
Hosting & Security
Self-hosted (Retarus Data Centers)
Key Features
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