We are committed to providing pharmaceutical and biotechnology companies solutions for the discovery and development of new medicines. For the past 3 years, we supported the development of more than 80% of the drugs approved by the FDA.

As part of our continued drive for quality and market-leading scientific excellence, Charles River is excited to announce its investment in a new flagship high resolution LC-MS system at its Edinburgh facility. Learn More


The drug research and development process is highly complex, yet essential for delivering safe and effective therapies to patients. Even though the process is well defined, drug development programs are fundamentally different for each product.

To help our clients navigate this process, Charles River offers a wide range of products and services that span the entire drug discovery and development continuum and can be tailored to specific research conditions.

Charles River supplies and manages study-ready, preconditioned and genetically engineered animal models and services to support today’s most critical research. Pharmaceutical and Biotechnology companies around the globe depend on our extensive portfolio of models to study disease in critical therapeutic areas. We promote our client’s long-term success with world-class breeding, biology, diagnostics and health monitoring services.

Our expertly managed network of vivaria and breeding facilities adheres to the strictest biosecurity measures, and has earned the seal of approval from the Association for the Assessment and Accreditation of Laboratory Animal Care (AAALAC) International. Our commitment to genetic stability within our colonies ensures utmost model quality to achieve optimum study outcomes.

Basic Research Products & Services

Our Discovery team has a proven track record in the development of novel therapies in collaboration with our partners. Using the latest technologies and platforms, we support clients’ discovery programs across all major therapeutic areas, from hit ID to IND.

Our team takes a true collaborative approach, working with Pharmaceutical and Biotechnology clients to maintain transparency and establish trust. This partnership allows us to move forward together to bring novel therapies to the patients who need them.

Discovery Products & Services

From complete IND-enabling programs to stand-alone assessments, our Safety Assessment team provides a full range of in vivo and in vitro testing services that comply with worldwide regulatory restrictions for the preclinical development of pharmaceuticals.

Serving the needs of both small and large molecule developers, we offer a broad range of standard and specialized laboratory services to complement and enhance drug development programs, from discovery through safety and clinical trials.

Nonclincal Testing & Laboratory Support  Products & Services

We provide a comprehensive range of testing programs and equipment to support pharmaceutical development. Our biologics testing solutions and portfolio of microbial quality control systems and services help clients ensure the safety, quality and compliance of their products. We support large molecule manufacturing from early preclinical formulation development through clinical and commercial manufacturing and release.

Production & Manufacturing Products & Services

Exceptional support of the entire drug discovery and development process is a Charles River hallmark. As a customer-focused organization committed to advancing science and helping clients reach their goals, we continually strive to develop solutions that extend our support of their efforts. Because our industry-seasoned professionals have followed the same journey as our clients, we can provide insight into the bigger picture, advice on best practices, skilled staff to extend resources and targeted training to meet the unique challenges they face along the way.

Research & Operations Support Products & Services