Marsh & McLennan Companies is a professional services firm offering advice and solutions in the areas of risk, strategy, and people. It operates through two segments: Risk and Insurance Services and Consulting. The Risk and Insurance Services segment offers risk management services, such as risk advice, risk transfer, risk control, and mitigation solutions, as well as insurance, reinsurance broking, catastrophe and financial modeling services, and related advisory services. The Consulting segment provides health, retirement, talent, and investments consulting services and products, specialized management, and economic and brand consulting services.