PSI is a privately-owned, full-service contract research organization (CRO) operating globally. PSI’s reputation in the marketplace is that of a no-nonsense CRO, capable of saving pharmaceutical sponsors millions of development dollars by consistently meeting clinical trial timelines. PSI’s global reach supports clinical trials across multiple countries and continents. PSI is known to be highly selective about the work that they pursue. PSI has exceptionally high repeat and referral business rates while maintaining minimal staff turnover. PSI is committed to being the best CRO in the world as measured by its customers and its employees. In the bi-annual CenterWatch Investigator Surveys of 2015 and 2017, PSI was repeatedly voted Number One Global CRO.
Global headquarters are located in Switzerland at 113a Baarerstrasse, 6300 Zug