Avacta Group Plc engages in the provision of Affimer reagents for licensing into third-party research and diagnostic products, and creates new Affimer medicines for development in-house and licensing to large pharmaceutical companies. It operates through the Life Sciences and Animal Health segments. The Life Sciences segment offers custom Affimers for reagents and diagnostics, drug and biomarker discovery in biotech research and development. The Animal Health segment includes tools and contract services to assist diagnosis of conditions in animals to enable faster treatment for veterinarians. The company was founded by Alastair MacLaughlin Smith, Simon Webster, and Kurt Justin Baldwin in January 2004 and is headquartered in Leeds, the United Kingdom.