Celares GmbH is a recognized leader in the field of bioconjugation and half-life extension by chemical modification, as well as the synthesis of polymers for drug delivery. Established in 2003, Celares is a privately owned company that offers high-quality customized services to big and medium-sized pharmaceutical companies, biotech companies, biosimilar developers, and diagnostic companies worldwide. The company provides a range of services, including feasibility studies, up-scaling and process development, and the development and validation of analytical methods.

Celares also offers pilot GMP production of bioconjugates and functionalized polymers used as excipients in drug formulation. The team at Celares combines decades of chemical and biotechnological experience, allowing them to address clients' specific needs. Celares has developed innovative technologies, such as multiplexing technologies that enable the construction of homo- and heteromultimeric conjugates and biologics.

They have also introduced celaCLICK, a surface coating technology. Recently, Celares joined the Biosynth Group Limited, expanding their range of services and becoming part of a group dedicated to providing critical materials and services in the life science industry. Celares remains customer-focused and committed to serving their clients with excellence