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Last Updated: 03/06/2026

Fusion Antibodies

Belfast
Founded 2001
Contract antibody discovery, engineering and supply services

Fusion Antibodies is a contract research organisation specialising in preclinical antibody discovery, engineering and supply for pharmaceutical and diagnostic clients.

Services span antigen expression, antibody generation, humanisation, affinity maturation, developability optimisation, and stable cell line development.

The company serves both therapeutic and diagnostic antibody programmes, with clients including eight of the top ten global pharmaceutical companies by revenue.

Fifteen client projects have advanced to clinical stage trials.