Our Journey and Evolution
What once started as a one-man laboratory in Boston in 1947, overlooking the Charles River, has evolved into a leading global strategic partner providing products and services to help expedite the discovery, early-stage development, and safe manufacture of novel drugs and therapeutics.
Our Purpose
At Charles River, our purpose is clear—to create healthier lives through world-class science and an unparalleled portfolio of solutions. We are driven by the patients who rely on the treatments we help bring to life, the well-being of the animals in our care, and our unwavering commitment to people and the planet. Every breakthrough, every discovery, and every moment in drug development brings us closer to life-changing therapies.
Our Promise
Responsibly bringing new therapies to patients is a journey filled with complexity but also with extraordinary potential. We are committed to breaking barriers, streamlining timelines, and driving the next wave of innovation—so that the life-changing treatments of tomorrow reach patients faster and more effectively. We don’t just envision the future of drug discovery and development. We’re transforming it.
Our Capabilities
Guided by an unwavering commitment to the 3Rs and scientific innovation, we are dedicated to advancing animal welfare while pioneering NAMs that drive more ethical, efficient, and translational research. Through breakthrough methodologies and next-generation technologies, we are reshaping the future of science—where compassion and progress go hand in hand.
Transform Possibilities into Breakthroughs
Our products and services support clients from basic research, discovery, and safety assessment, to manufacturing and commercialization. With our extensive end-to-end portfolio, global capacity, and proven scientific and regulatory advisors, our integrated approach enables maximum speed and confidence on your drive to market.
Basic Research
Drug Discovery and Development
New Approach Methodologies (NAMs)
Manufacturing and Commercialization
Because Every Moment Matters
Accelerating the discovery and development of life-changing therapies for patients is at the core of what we do.
Eureka’s Sounds of Science
This podcast unveils the compelling stories behind bold science told through the perspectives of those discovering, developing, and receiving life-changing therapies.
Listen and Subscribe
Conversations in Science
We celebrate the work of our partners and engage in meaningful conversation about the current state and future of scientific innovation and its impact on human health.
Meet the Disruptors
This is Your Moment
Our employees have worked together to assist in the discovery, development and safe manufacture of new drug therapies. When you join our family, you will have a significant impact on the health and well-being of people across the globe.








