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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.

Sebastian Melzer is the SVP Customer Success and Commercial Operations of Clariness.

140 people are employed at Clariness.

Clariness is based in Hamburg, Hamburg.

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

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

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