Marsh & McLennan Cos., Inc. is a professional services firm, which engages in offering clients advice and solutions in risk, strategy, and people. The company is headquartered in New York City, New York and currently employs 85,000 full-time employees. The firm's Risk and Insurance Services segment includes risk management activities (risk advice, risk transfer and risk control and mitigation solutions) as well as insurance and reinsurance broking and services. This segment operates through Marsh and Guy Carpenter. Marsh provides data-driven risk advisory services and insurance solutions to commercial and consumer clients. Guy Carpenter develops advanced risk, reinsurance and capital strategies. Its Consulting segment includes health, wealth and career advice, solutions and products, and specialized management, strategic, economic and brand consulting services. This segment operates through Mercer and Oliver Wyman Group. Mercer delivers advice and technology-driven solutions that help organizations. Oliver Wyman Group serves as an economic brand advisor to private sector and governmental clients.