The logo of PSI CRO AG.


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  • 1001-5000 EMPLOYEES

PSI is a leading full-service global Contract Research Organization whose key strength is predictable patient enrollment across multiple therapeutic areas.

PSI is known in the industry as a CRO focused on ‘on-time project delivery’. This is achieved through investing substantial effort and MD resources into performing quality feasibility assessments that provide an accurate predictor of study timelines.

PSI’s global reach allows us to run clinical trials across multiple continents, in 50+ countries around the world.

PSI’s reputation is that of a 'no-nonsense'​ CRO focused on timely patient enrollment and project delivery. An exceptionally high repeat and referral business rates alongside low staff turnover are indicative of our commitment to be the best CRO in the world as measured by our clients and our employees.