Marsh & McLennan Companies, Inc. is a professional services firm offering clients advice and solutions in risk, strategy and people. The Company is the parent company of various specialty consultants, including Marsh, an insurance broker, intermediary and risk advisor; Guy Carpenter, a risk and reinsurance specialist; Mercer, a provider of human resource (HR) and related financial advice and services, and Oliver Wyman Group, a management, economic and brand consultancy. The Company provides analysis, advice and transactional capabilities to clients in approximately 130 countries. The Company operates through two segments: Risk and Insurance Services and Consulting. The Risk and Insurance Services segment includes risk management activities, as well as insurance and reinsurance broking and services. The Company's consulting segment includes health, retirement, talent and investments consulting services and products, and specialized management, economic and brand consulting services.