Xcellon Biologics

Xcellon Biologics is a U.S.-based Contract Research, Development, and Manufacturing Organization (CRDMO) specializing in bioconjugates and complex biologics, including antibody-drug conjugates (ADCs), bispecific antibodies, and T-cell engagers.

Our integrated capabilities span cell line development, antibody development and manufacturing, bioconjugation development and manufacturing, process development, analytical characterization, GMP manufacturing, and clinical supply. By bringing these capabilities together under one organization, Xcellon provides a single, trusted partner to efficiently advance next-generation biologics from discovery through clinical supply.