G4S, a privately owned company headquartered in the UK, employs approximately 116,470 individuals. The company operates as a wholly owned subsidiary of American security titan Allied Universal, which acquired G4S for £3.8 billion ($5.3 billion) and subsequently delisted it from public boards. Allied Universal is backed by major institutional private equity groups including Warburg Pincus and CDPQ.
Subscribe for full access to G4S's products in full detail 
