1st January, 1970


Clinical Services International (CSI) is a global leader of sourcing and management of commercially available medicines (comparators, concomitant medication) for clinical trials.

Headquartered in London and with operations in UK, Germany, Denmark, Japan and USA, we provide efficient solutions and serve worldwide trials. Our longstanding experience and relationships with manufacturers, 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.

Address Regulatory, Quality, Operational, Clinical requirements

Manage the entire supply chain and offer tailor-made solutions

Comprehensive expertise in Oncology and Biosimilar products.

Advanced Technology and Innovative approach

Trusted partner of leading Biopharmaceuticals, CROs and CMOs.



Arena’s business-to-business events offer a myriad of opportunities for sponsors and exhibitors to drive their businesses forward.
Our sponsorship packages help companies educate ther target market on key industry issues and spread brand awareness throughout the

If you want to discuss how we can help you generate leads and add-value to your corporate and brand image please contact:

Paul Adams
+44 (0)20 7936 6948

Speaker opportunities

We identify and invite individuals we believe to be the best speakers in the market, if you think you can make a difference to the quality of our events please contact:

Chloe Roberts
E: Chloe.Roberts@arena-international.com
T: +44 (0)207 936 6822