Meet the global CRO investigators ranked No1

Where the science of delivery meets the art of service

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The art of our engineering means we're fine-tuned to your success.

High enrollment isn't an aspiration, it's a promise. But it's also just the beginning.

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On-time delivery across the globe

At the heart of PSI

We prepare our sponsors for success from the very beginning, with each study undergoing a rigorous and customized approach. From feasibility to site selection, we understand that there is no “one size fits all” in the clinical research industry, so we work with you from day one to deliver on time and beyond expectations.

Therapeutic area whitepaper

Service and delivery

Our high standards through each step of the study mean that you get results in the expected timelines managed by skilled experts across every phase. No chasing after deliverables or waiting in the dark for that next email. We’re here for you. Our success is your success.

Therapeutic area whitepaper
"PSI is a great example of what you can achieve with the right idea and the right group of people." Pharma CEO

Key achievements

Only 12% staff turnover globally

84% of clinical trials are behind schedule; 91% of ours deliver on time

95% repeat and referral rate

Press releases


Clinical operations in oncology

July 11-12 2017