Avacta Group Plc offers reagents and therapeutics based on Affimer technology for diagnostic and research applications in the United Kingdom, North America, Asia, and rest of Europe. It operates in three segments: Diagnostics, Therapeutics, and Animal Health. The company develops custom Affimer proteins for customer products and in-house diagnostic assays.

It also develops novel cancer immunotherapies combining proprietary platforms; and provides tools and contract services to assist diagnosis of conditions in animals to enable faster treatment for veterinarians. The company has a research partnership with Moderna Therapeutics; research collaboration with pre CISION technology incorporates a substrate that is sensitive to cleavage by fibroblast activation protein; co-development partnership agreement with Bach Biosciences LLP to develop Affimer drug conjugate therapies; drug development collaboration with LG Chem Life Sciences; a partnership with Selexis to develop cell line for clinical manufacturing, and with Tufts University School of Medicine for developing Affimer drug conjugate therapies; a collaboration with Cytiva to develop and manufacture an Affimer-based point-of-care rapid test; and a collaboration with Adeptrix to develop Affimer-based COVID-19 antigen tests.

Avacta Group Plc was incorporated in 2003 and is based in Wetherby, the United Kingdom.