We are the company that cares – for our staff, for our clients, for our partners and for the quality of the work we do. A dynamic, global company founded in 1995, we bring together more than 3,000 driven, dedicated and passionate individuals. We work on the frontline of medical science, changing lives, and bringing new medicines to those who need them.

PSI’s business is about conducting clinical research of novel medications. We work at the interface of R&D, pharmaceutical industry and healthcare science and provide services to big and mid‑sized pharmaceutical companies. We help our clients to generate data about safety and efficacy of medications and bring the best ones to market. By conducting global clinical research trials, PSI makes cutting‑edge treatment available in drugstores all over the world and helps patients with serious medical conditions to improve or even save their life. Help us to make sure that PSI medical and business documents are clear to patients, p...