Where are the headquarters of Marsh & McLennan Companies Inc. located?

The headquarters of Marsh & McLennan Companies Inc. are located in New York City, New York. Specifically, the company's main office is situated at 1166 Avenue of the Americas. This prominent location in the heart of Manhattan is representative of the company's stature in the insurance and risk management industry. As one of the world's leading professional services firms, Marsh & McLennan provides a wide range of services, including risk management, insurance brokerage, and consulting. The firm operates extensively across the globe, serving clients in various sectors. For additional details regarding their headquarters and services, it may be beneficial to explore their official website, where current information can be readily found.