Welcome to Clinical Services International

Clinical Services International (CSI) is a world leader in the sourcing and management of quality certified commercially available medicines (comparators, concomitant medication, rescue medication) for clinical trials.

Headquartered in London and with operations in the UK, Germany, and the USA, we provide efficient solutions and serve global trials.

Our longstanding experience in intelligent sourcing and clinical trials enables us to provide custom made solutions to address the most complex requirements.

We accelerate drug development and reduce timelines by providing a fully integrated service.

We are not a pharmaceutical wholesaler:
We are CSI: the science-based clinical trial supply leader.

We are passionate about customer service, quality, innovation, and making rapidly available safe medicines.

We areā€¦

Latest News

CSI is exhibiting Clinical Trial Supply Europe 2019 Posted in: News CSI is exhibiting and presenting at the Clinical Trial Supply Europe Conference, Milan 13-14 March 2019 Visit us to discuss… Read More
Why is clinical research important? Posted in: News Clinical Services International aims to enhance patient outcomes. The way we do this is by sourcing unlicensed and comparator medicines.… Read More
New interest for investigator initiated trials Posted in: News Clinical Services International is a company that truly understands investigator initiated trials. These are self-contained patient-focused studies. Physicians lead them.… Read More