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Marsh & McLennan Companies, Inc. (MRSH)
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Marsh & McLennan Companies, Inc. (MRSH) SEC Filings

Filing links are provided when reliable SEC filing data is available.

Recent Filings

FormFiling DateAcceptedDocument
8-KJun 4, 2026Jun 3, 2026View filing
8-KMay 22, 2026May 22, 2026View filing
4May 18, 2026May 18, 2026View filing
4May 18, 2026May 18, 2026View filing
4May 18, 2026May 18, 2026View filing
4May 18, 2026May 18, 2026View filing
4May 18, 2026May 18, 2026View filing
4May 18, 2026May 18, 2026View filing
4May 18, 2026May 18, 2026View filing
4May 18, 2026May 18, 2026View filing
4May 1, 2026May 1, 2026View filing
4May 1, 2026May 1, 2026View filing
4May 1, 2026May 1, 2026View filing
4May 1, 2026May 1, 2026View filing
4May 1, 2026May 1, 2026View filing
4May 1, 2026May 1, 2026View filing
4May 1, 2026May 1, 2026View filing
4May 1, 2026May 1, 2026View filing
4May 1, 2026May 1, 2026View filing
4May 1, 2026May 1, 2026View filing
SC 13GApr 30, 2026Apr 30, 2026View filing
10-QApr 16, 2026Apr 16, 2026View filing
8-KApr 16, 2026Apr 16, 2026View filing
8-KApr 14, 2026Apr 14, 2026View filing
3Apr 10, 2026Apr 10, 2026View filing
4Apr 3, 2026Apr 3, 2026View filing
ARSMar 31, 2026Mar 31, 2026View filing
DEFA14AMar 31, 2026Mar 31, 2026View filing
DEF 14AMar 31, 2026Mar 31, 2026View filing
SC 13G/AMar 27, 2026Mar 27, 2026View filing

About Marsh & McLennan Companies, Inc.

Marsh & McLennan Companies, Inc. (MRSH) functions as a leading professional services organization, delivering expert guidance and innovative solutions to clients across the vital domains of risk management, strategic planning, and human capital. Based in New York City, the firm maintains a substantial global workforce, employing approximately 65,000 full-time professionals. This entity serves as the parent company for several prominent advisory and consulting brands. These include Marsh, renowned for its insurance brokerage services; Guy Carpenter, a specialist in risk and reinsurance; Mercer, which provides comprehensive human resources and investment-related financial advice; and Oliver Wyman Group, an influential management and economic consultancy. Marsh & McLennan structures its operations into two core business segments. The "Risk and Insurance Services" division encompasses activities such as risk management, along with comprehensive insurance and reinsurance brokerage and services. The "Consulting" division offers a broad spectrum of services, including health, retirement, talent, and investment consulting, as well as specialized advice in management, economics, and brand strategy. The Risk and Insurance Services segment's operations are primarily conducted through Marsh and Guy Carpenter, while Mercer and Oliver Wyman Group are the key contributors to the Consulting segment's offerings.

New York City, NY
90,000 employees
Financial Services / Insurance - Brokers
Sector
Financial Services
Industry
Insurance - Brokers
CEO
John Quinlan Doyle