Serco Group plc is a British multinational public services provider specializing in essential services for governments and public-sector bodies across defence, health, space, justice, migration, transport, and customer support. Headquartered in Hook, Hampshire, the company operates through four key divisions: UK & Europe, which leads in hospital management, welfare, business support, and defence services; North America, delivering professional, defence, technology, and management services to U.S. and Canadian governments; Asia-Pacific, offering frontline, defence, and citizen services in Australia, New Zealand, and Hong Kong; and Middle East, focusing on transport, defence, and health. With approximately 50,000 employees, Serco generates significant revenue from these regions, particularly UK & Europe. Founded in 1929 as RCA Services Limited and rebranded in 1987, it plays a vital role in the business support services sector by managing critical infrastructure like prisons, airports, rail networks, and facilities for agencies such as the UK Ministry of Defence and U.S. Patent Office, underscoring its global footprint in outsourced public service delivery.