Marsh & McLennan Agency LLC

Marsh McLennan Agency (MMA) is a leading insurance brokerage and consulting firm that provides business insurance, employee health and benefits, retirement and wealth, and private client insurance solutions. As a wholly owned subsidiary of the global professional services firm Marsh McLennan, MMA serves middle-market organizations across the United States and Canada. The agency operates with a model that combines personalized local service from its extensive network of over 300 offices with the global resources and expertise of its parent company.

MMA's comprehensive offerings include property, casualty, and cyber insurance, alongside human resources consulting, pharmacy benefit management, and HR technology solutions for employee health and benefits. For private clients, it provides homeowners, auto, and liability insurance. Additionally, the firm offers employer retirement plans, financial well-being programs, and wealth management services. Marsh McLennan Agency caters to a diverse range of industries, including professional services, financial institutions, healthcare, manufacturing, and the public sector.

Marsh McLennan Agency maintains a strong market position as the fifth-largest insurance broker in the US, generating over $5 billion in annualized revenue. The firm actively expands its footprint through strategic acquisitions, recently completing the acquisition of TriBridge Partners in June 2026 and Seitz Insurance Agency in April 2026. Leadership within MMA includes regional executives, leveraging the broader Marsh McLennan leadership for overall strategic direction.