About

Retarus is a German corporation focused on secure email, enterprise messaging, EDI, and document processing. Retarus Secure Email Platform is an API-based, Europe-hosted solution supporting compliance, encryption, email archiving, and delivery at scale, catering to customers needing regional data hosting, integration with custom email flows, and high‑volume transactional capability.

Coverage by KuppingerCole Analysts

Email Security

Email Security

Martin Kuppinger
Email Security

Email Security

Martin Kuppinger

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Our advisory gains deep real-world insight through ongoing engagement with vendors and key clients.
IAM Maturity Assessment
Benchmark your IAM maturity and get expert recommendations.
Identity Fabric & Reference Architecture
Explore how to unify, modernize, and scale your IAM ecosystem with a consistent architectural foundation.
Success Stories
Empowering Boehringer Ingelheim through IAM Transformation
Boehringer Ingelheim, a leading pharmaceutical company, sought to enhance its IAM capabilities in the digital age. We collaborated to...
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KuppingerCole Success Story - Chemical Industry
Global chemical company revamped IAM with KuppingerCole's IAM strategy: guidance, assessment, roadmap. Enhanced security and efficiency.
View Case Study
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We specialize in digital identity and access management, cybersecurity, and AI.
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Our Contact Information
KuppingerCole Analysts AG
Wilhelmstr. 20-22
65185 Wiesbaden
Germany
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Our Services
Advisory services
Our advisory gains deep real-world insight through ongoing engagement with vendors and key clients.
IAM Maturity Assessment
Benchmark your IAM maturity and get expert recommendations.
Identity Fabric & Reference Architecture
Explore how to unify, modernize, and scale your IAM ecosystem with a consistent architectural foundation.
Success Stories
Empowering Boehringer Ingelheim through IAM Transformation
Boehringer Ingelheim, a leading pharmaceutical company, sought to enhance its IAM capabilities in the digital age. We collaborated to...
View Case Study
KuppingerCole Success Story - Chemical Industry
Global chemical company revamped IAM with KuppingerCole's IAM strategy: guidance, assessment, roadmap. Enhanced security and efficiency.
View Case Study
Contact Our Advisors
E-mail: info@kuppingercole.com
Meet Our Advisors
About us
We specialize in digital identity and access management, cybersecurity, and AI.
Career Opportunities
Explore our current job openings and find the position that best fits your skills and aspirations.
Technology Providers
Independent research, market insights, and meaningful industry engagement.
Success Stories
Real experiences and insights shared by the organizations we work with.
Newsroom
Stay updated with our latest news, announcements, and press releases.
Become a Partner
Leverage our expertise, market insights, and industry connections.
People
We combine expertise in advisory, analytics, and business strategy to deliver impactful solutions.
Cybersecurity Council
We bring together leading cybersecurity experts to share insights that shape all our services.
Our Contact Information
KuppingerCole Analysts AG
Wilhelmstr. 20-22
65185 Wiesbaden
Germany
Linkedin Linkedin Twitter Twitter Facebook Facebook YouTube YouTube Instagram Instagram
Contact us See All Locations

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