Shield Therapeutics Plc is a commercial stage specialty pharmaceutical company, which engages in addressing iron deficiency with its lead product Accrufer. It operates the Feraccru and PT20 segments. The Feraccru segment refers to the development and commercialization of this product. The PT20 segment related to the development of its secondary asset. The company was founded by Carl Sterritt and Christian Schweiger in 2008 and is headquartered in Gateshead Quays, the United Kingdom.