Marsh McLennan Agency is a professional services firm that provides insurance and risk management solutions to businesses and individuals. The company was founded in 1904 when Henry W. Marsh and Donald R. McLennan merged their two firms to create the largest insurance agency in the world at the time. Today, Marsh McLennan Agency is part of the larger Marsh McLennan Companies, which also includes subsidiaries like Marsh, Guy Carpenter, Mercer, and Oliver Wyman. The company is dedicated to shaping and inspiring the colleague and client experience, with the goal that every client, colleague, and partner thrives.