53Biologics is a CDMO specialized in the development and production of biologics, from DNA to proteins. Providing services ranging from preclinical development to GMP manufacturing, 53Biologics help its clients' biological drugs reach the market faster.

Our integrated capabilities cover both Drug Substance and Drug Product, including microbial and mammalian protein production, plasmid DNA manufacturing, process development, cell banking, and aseptic fill & finish. This end-to-end approach ensures a seamless transition between development stages, reducing risk and shortening timelines.

Flexibility and agility are at the core of how we operate. We adapt to each project’s specific needs, offering tailored solutions, fast decision-making and close collaboration. This allows us to efficiently support projects of varying complexity, from early-stage development to clinical and commercial manufacturing.