Charles River

Charles River is a leading global CRO supporting biotech and pharmaceutical companies across the entire early drug‑development continuum. We provide research models, discovery and safety assessment services, and manufacturing and biologics testing solutions, enabling clients to accelerate preclinical research and advance therapies toward the clinic.

Charles River has supported work on over 80% of FDA‑approved drugs in the past five years and offers an integrated portfolio spanning in vitro and in vivo studies, toxicology, pharmacology, cell and gene therapy support, and microbial testing. With operations in 20+ countries and recognized expertise built since its founding in 1947, we serve as a critical partner helping biotech innovators de‑risk and streamline the development of novel therapeutics.