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Founded in 2005, Clariness is a global provider of online patient recruitment, retention, patient surveys, study feasibility and site selection services for clinical trials. Using our ClinLife® technology platform, we recruit patients efficiently, support investigative sites through the enrollment process and accelerate clinical trial start-up timelines for sponsors. With focused expertise in digital and social outreach techniques, and a team of clinical specialists, Clariness has built a reputation on global expertise, cost-effective strategies and reliable service delivery. Operational in more than 50 countries, over 15 million patients worldwide participate in our ClinLife® community. (Impressum: https://www.clariness.com/impressum/)

Clariness Questions

The Clariness annual revenue was $11.5 million in 2026.

Stefan Mayer-Eggersmann is the CEO of Clariness.

123 people are employed at Clariness.

Clariness is based in Hamburg, Hamburg.

The NAICS codes for Clariness are [54, 541, 5419, 54199].

The SIC codes for Clariness are [87, 873].

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