Marsh & McLennan Companies, Inc. logo
Marsh & McLennan Companies, Inc. (MRSH)
Compare

The market capitalization for Marsh & McLennan Companies, Inc. (MRSH) is $80.35 Billion, making it a Large Cap company. Market cap is calculated by multiplying the current stock price by the total number of shares outstanding.

Market Capitalization

$80.35B

$80.35 Billion

Calculation

Stock Price
$166.78
Shares Outstanding
481.80M
Market Cap
$80.35B

Market Cap = Price × Shares Outstanding

Size Classification

Large Cap

$10B - $1T

Companies with market capitalization between $10 billion and $1 trillion.

Market Cap Size Scale

Micro Cap

<$250M

Small Cap

$250M-$2B

Mid Cap

$2B-$10B

Large Cap

$10B-$1T

Mega Cap

>$1T

MRSH Market Cap: $80.35 Billion

Related Valuation Metrics

Key Statistics

Market Cap$80.35 Billion
Stock Price$166.78
Shares Outstanding481.80M
Size CategoryLarge Cap
P/E Ratio20.85
P/B Ratio5.56
Data as of Wednesday, June 17, 2026

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