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Last Updated: 06/06/2026

Charles River Laboratories

Cambridge
Founded 1947
Integrated CRO services from drug discovery to manufacture

Charles River Laboratories is a global contract research organisation providing integrated preclinical drug discovery and development services to pharmaceutical, biotechnology and academic clients.

UK operations span multiple sites offering medicinal chemistry, biology, ADME/PK, structural biology, immunology, in vivo pharmacology, safety assessment and laboratory services.

The company supports programmes from early target identification through IND-enabling studies, with additional capabilities in cell and gene therapy testing and GMP manufacturing support.