Willis Towers Watson Plc engages in the provision of advisory, broking, and solutions services. It operates through the following segments: Human Capital and Benefits (HCB), Corporate Risk and Broking (CRB), Investment, Risk and Reinsurance (IRR), and Benefits Delivery and Administration (BDA). The HCB segment provides advice, broking, solutions, and software for employee benefit plans, human resources organizations, and management teams. The CRB segment offers a range of risk advice, insurance brokerage, and consulting services to clients ranging from small businesses to corporations. The IRR segment focuses on helping clients free up capital and manage investment complexity. The BDA segment covers medical and ancillary benefit exchange and outsourcing services to active employees and retirees across both the group and individual markets. The company was founded in 1828 and is headquartered in London, the United Kingdom.