PSI CRO

PSI CRO is a global contract research organization founded in 1995 that specializes in running pivotal Phase II and III clinical trials. The privately held company focuses on patient enrollment and site support, with particular expertise in oncology and hematology therapeutic areas. It operates across 58 countries with a team of over 3,200 professionals.

The firm reports a 95% repeat and referral rate from clients and has received CRO Leadership Awards for seven consecutive years. As a fully independent, privately owned organization, PSI CRO has grown organically since its founding without external funding.

The company emphasizes a people-first approach and international collaboration, cultivating what it describes as rich cultural diversity across its global workforce. Its stated mission is to be the best CRO as measured by employees, clients, sites, and vendors, supported by developed quality standards.