About Us

PSI CRO HQ Office Building,
Zug, Switzerland

PSI is an award-winning full-service CRO,
bringing together more than 2,700 dynamic
and knowledgeable individuals working to help impact the future of medicine in more than 60 countries around the world.

PSI is an award-winning full-service CRO, bringing together more than 2,700 dynamic and knowledgeable individuals working to help impact the future of medicine in more than 60 countries around the world.