PSI CRO is a privately-owned, full-service global Contract Research Organization (CRO) specializing in the delivery of clinical projects across multiple therapeutic areas. Founded in 1995, the company is headquartered in Zug, Switzerland, at 113a Baarerstrasse, 6300 Zug. PSI CRO is known for its commitment to on-time project delivery, achieved through substantial investment in quality feasibility assessments that provide accurate predictions of study timelines. The company’s global reach supports the operations of clinical trials across multiple countries and continents, with facilities in over 50 countries. PSI CRO offers a comprehensive range of services, including project management, clinical monitoring, regulatory affairs, data management, biostatistics, medical writing, patient recruitment, site management, and quality assurance. The company’s mission is to be the best CRO in the world, as measured by its employees, clients, investigators, and vendors. PSI CRO is recognized for its high repeat and referral business rates and minimal staff turnover, reflecting its dedication to excellence in clinical research.