G4S Limited, together with its subsidiaries, operates as an integrated security company in Africa, the Americas, Asia, Europe, and the Middle East. The company offers a range of security and related services, including manned security and cash solutions, care and justice services, risk management, and consultancy. Its products and services include security systems and services, such as access control systems, alarm monitoring systems, alarm systems, drone surveillance, fire and alarm protection systems, perimeter protection, temperature and substance screening systems, and video monitoring systems; robotics and autonomous technology services, including autonomous security systems, drone surveillance and detection, and robotic patrol and response systems; security guarding services; risk management security services and consulting; facilities management services, such as catering and hospitality, cleaning services, maintenance and repairs, and workplace support services; cash solutions, including cash-in-transit, cash collection, cash processing and management, and ATM management; care and justice services, such as custody, detention, rehabilitation, and care services; canine services, including general purpose security dogs, drug, explosive, and other specialized detection dogs; and risk management and consulting for business. The company serves corporates, financial institutions, private energy and utilities, retail, leisure and consumers, transport, ports, and aviation. G4S Limited was formerly known as G4S plc and changed its name to G4S Limited in June 2021. The company was incorporated in 2003 and is based in London, United Kingdom. G4S Limited operates as a subsidiary of Atlas UK Bidco Limited.