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Marsh & McLennan Companies, Inc. (MMC)
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Marsh & McLennan Companies, Inc. (MMC) Revenue

The annual revenue for Marsh & McLennan Companies, Inc. (MMC) is $26.98 Billion with a year-over-year growth of +10.32%. Revenue represents the total income generated from the company's primary business operations.

Annual Revenue (TTM)

$26.98B

$26.98 Billion

Year-over-Year Growth

+10.32%

vs. $24.46B prior year

Revenue CAGR

+9.28%

5 Year compound annual growth rate

Revenue CAGR (Compound Annual Growth Rate)

1 Year

+9.87%

3 Year

+9.26%

5 Year

+9.28%

10 Year

+7.78%

15 Year

+6.43%

20 Year

+4.74%

CAGR shows the annualized growth rate over the specified period, smoothing out year-to-year volatility.

Annual Revenue History

YearRevenueYoY Change% Change
2025$26.98B+$2.52B+10.32%
2024$24.46B+$1.72B+7.57%
2023$22.74B+$2.02B+9.73%
2022$20.72B+$900.00M+4.54%
2021$19.82B+$2.60B+15.07%
2020$17.22B+$572.00M+3.44%
2019$16.65B+$1.70B+11.38%
2018$14.95B+$926.00M+6.60%
2017$14.02B+$813.00M+6.15%
2016$13.21B+$318.00M+2.47%

Revenue Growth Summary

TTM Growth

+9.87%

3-Year Avg Growth

+9.26%

5-Year Avg Growth

+9.28%

Data as of Wednesday, June 10, 2026

About Marsh & McLennan Companies, Inc.

Marsh & McLennan Companies (MMC) operates as a leading global professional services organization, delivering expert guidance and innovative solutions to clients worldwide across the critical domains of risk, strategic planning, and human capital. Its operations are bifurcated into two primary divisions: Risk and Insurance Services, and Consulting. The Risk and Insurance Services arm provides an extensive range of risk management capabilities, encompassing strategic risk advice, risk transfer mechanisms, and solutions for risk control and mitigation. This segment is also proficient in insurance and reinsurance brokerage, offers sophisticated catastrophe and financial modeling, delivers associated advisory services, and manages insurance programs. Its diverse clientele includes businesses, governmental bodies, insurance companies, associations, specialized professional service organizations, and private individuals. Conversely, the Consulting division specializes in advisory services and products related to health, wealth, and career development. It also extends its expertise to specialized management, economic analysis, and brand strategy consulting. Founded in 1871, Marsh & McLennan Companies, Inc. maintains its corporate headquarters in New York, New York.

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