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Marsh McLennan

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Global professional services firm providing advice and solutions in the areas of risk

New York City, United StatesFounded 1871Fintech
Valuation $89B Market cap · 2026
Revenue $29B Latest reported FY
EBITDA $8.13B Latest reported FY

About Marsh McLennan

In 1905, Henry W. Marsh and Donald R. McLennan founded Marsh McLennan, a company that would grow to become a leader in professional services. The duo started with a focus on providing insurance brokerage services, leveraging their expertise to secure contracts with major railroads, which were the lifeblood of American commerce at the time.

Over the decades, Marsh McLennan expanded its services beyond insurance, venturing into risk management, consulting, and financial advisory. This diversification strategy was pivotal in establishing the company as a multifaceted service provider, catering to a wide array of industries.

A significant milestone in the company's history was its initial public offering (IPO) in 1962, which provided the capital necessary to fuel further expansion. This move marked the beginning of a new era, allowing Marsh McLennan to invest in new technologies and acquire other firms to enhance its service offerings.

In recent years, Marsh McLennan has continued its growth trajectory through strategic acquisitions. Notably, in 2024, the company invested $347 million in acquiring six firms, strengthening its position in the wealth management sector. This acquisition strategy has been a cornerstone of its long-term growth plan, enabling the company to adapt to changing market dynamics and client needs.

Today, Marsh McLennan stands as a testament to the vision of its founders, maintaining a strong presence in the global market as a leader in risk, strategy, and people management. Its journey from a small insurance brokerage to a global powerhouse underscores the impact of strategic foresight and adaptability in the business world.

Source: Dealroom company data

At a glance

Status
Listed
Founded
1871
Headquarters
New York City, United States
Listing
IPO 1983
Employees
17,355
Open positions
None listed
Dealroom signal
26.4/100
Industry
Health, Fintech
Sub-industry
Insurance
Sector
Fintech, Risk Management
Client focus
b2b
Investment activity
73 companies, latest Jul 2026
Capital deployed
$211M
Preferred round
ACQUISITION

Funding history

8 recorded events

Company financing events and reported valuations.

Deal typeDateAmountValuationInvestorsSource
POST IPO DEBT✓Debt Jun 2026 $4.3B — Citibank ↗
POST IPO DEBT✓Debt Feb 2026 $0 — Undisclosed ↗
Showing the latest 2 of 8 recorded eventsBook a demo for the full funding history →

Financials

Revenue, earnings and profit over time

Revenue, earnings and other financial measures where available. Years marked “E” are estimates.

YearRevenueGrowthEBITDAMarginProfitMargin
2026 $29B +5.8% $8.1B 28.5% $4.2B 14.6%
2025 $27B +10.3% $7.4B 27.3% $4.2B 15.4%
2024 $24B +7.6% $6.9B 28.3% $4.1B 16.6%
2023 $23B +9.7% $6.3B 27.8%
2022 $21B +4.5% $5.2B 25.3%
2021 $20B +15.1% $5.3B 26.9%
2020 $17B — $4.1B 23.6%
Company filings, research estimates and Dealroom dataBook a demo for the full financial model →

Growth signals

Marsh McLennan team growth

Marsh McLennan's team declined 75.3% over the past year.

1-year team growth-75.3%
Summary metrics are public; monthly history is available with a demoCompare with peers →

Similar companies

Closest operating peers by Dealroom taxonomy

Company identity and context are open; selected comparison metrics preview what is available on the platform.

Showing 8 of the closest matchesCompare every metric →

Investments and acquisitions

Capital deployed

Recent portfolio relationships for companies that also act as investors or acquirers.

Investors

1 investor on the cap table

From Dealroom's funding and investor records, grouped by the round each investor first entered.

Series B and later1 investor entered at this stage

  • Citibank
Team profiled 278 named & role-tagged
Founders Hidden — book a demo/100 quality score
Key operators 7 quality Hidden — book a demo/100
Potential founders Hidden — book a demo likely future founders
Startup mafia Hidden — book a demo alumni-founded startups
Talent movements Hidden — book a demo in · Hidden — book a demo out past 12 months

Source: Dealroom Talent Intelligence.

Global footprint

Workforce and web traffic by country
Workforce by country
🇺🇸 United States · New York City HQ
Book a demo for the full country breakdown

Market sentiment

Posts on X, past 7 days

An AI-synthesised read of the highest-engagement posts about Marsh McLennan on X, ranked by likes and reposts, corporate channels excluded.

Reading the room on X — pulling top posts and synthesizing themes…

Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour

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