The Westminster Group plc is a worldwide security company that specialises in Fire, Safety, Security and Defence. The firms' headquarters are at Westminster House, , Overthorpe, near Banbury, Oxfordshire, United Kingdom. The group operates through a network of over 70 agents and international offices in over 45 countries, with a slightly growing customer base consisting of predominately: governments and government agencies, embassies, non-governmental organisations and blue chip commercial organisations.