Arthur J. Gallagher & Co.
Market Cap
$65.0B
Global Rank
#238
All-Time High
$71.7B
2024-12-31
Total Growth
+0%
since 2026
Market Cap Context
- Larger than 35% of the 367 companies we track (globally).
- Equivalent to 0.2% of United States's GDP (2025 data).
- Just above: #237 Macquarie Group Limited ($65.3B)
- Just below: #239 Nintendo Co., Ltd. ($63.8B)
- Best year: 2000 (+101%). Worst year: 2007 (-15%).
Arthur J. Gallagher & Co. Financial Breakdown (FY 2025)
Source: Yahoo Finance β AJG annual filings (2025) β$13.9B revenue Β· $2.6B operating income Β· $1.5B net income
- βOperating margin: 18.3% on $13.9B in revenue.
- βNet income margin: 10.7% β $1.5B in profit.
- βFree cash flow: $1.8B (12.8% of revenue).
Cost / Operating Expenses
Total operating expenses $11.4B
Total
$8.0B
Capital Expenditures
$0.1B
This fiscal year (near-total AI infrastructure buildout)
Free Cash Flow
$1.8B
Trailing twelve months
Figures rounded from the annual SEC filing. Unaudited. For informational purposes only, not investment advice.
About Arthur J. Gallagher & Co.
Arthur J. Gallagher & Co. (Gallagher) is an American insurance brokerage and risk management services company based in Rolling Meadows, Illinois, a suburb of Chicago. The company provides insurance brokerage services and risk management services, the latter of which primarily includes the processing of workers compensation and automobile insurance claims through the company's adjusters.
Arthur J. Gallagher & Co. Market Cap History (2026β2026)
Arthur J. Gallagher & Co. vs Sector Peers by Market Cap
Compare Arthur J. Gallagher & Co.
Ranking History
| Year | Market Cap | Rank | YoY Change |
|---|---|---|---|
| 2026 | $65.0B | #238(β30) | -1.4% |
| 2025 | $65.9B | #208(β33) | -8.1% |
| 2024 | $71.7B | #175(β18) | +27.1% |
| 2023 | $56.4B | #193(β2) | +20.8% |
| 2022 | $46.7B | #191(β48) | +12.5% |
| 2021 | $41.5B | #239(β20) | +39.1% |
| 2020 | $29.8B | #259(β1) | +32.2% |
| 2019 | $22.6B | #260(β8) | +31.9% |
| 2018 | $17.1B | #252(β14) | +18.5% |
| 2017 | $14.4B | #266(β3) | +25.0% |
| 2016 | $11.5B | #263(β2) | +32.2% |
| 2015 | $8.7B | #265(β9) | -10.2% |
| 2014 | $9.7B | #256(β6) | +3.5% |
| 2013 | $9.4B | #250(β3) | +38.9% |
| 2012 | $6.8B | #247(β14) | +8.7% |
| 2011 | $6.2B | #233(β12) | +20.4% |
| 2010 | $5.2B | #245(β5) | +36.0% |
| 2009 | $3.8B | #250(β39) | -7.9% |
| 2008 | $4.1B | #211(β41) | +12.6% |
| 2007 | $3.7B | #252(β19) | -14.6% |
| 2006 | $4.3B | #233(β11) | -0.1% |
| 2005 | $4.3B | #222(β21) | -1.3% |
| 2004 | $4.4B | #201(β17) | +3.0% |
| 2003 | $4.2B | #184(β18) | +13.4% |
| 2002 | $3.7B | #166 | -13.2% |
| 2001 | $4.3B | #166(β3) | +10.3% |
| 2000 | $3.9B | #169(β13) | +101.3% |
| 1999 | $1.9B | #156(β1) | +51.5% |
| 1998 | $1.3B | #157(β2) | +32.4% |
| 1997 | $964.6M | #159(β11) | +15.2% |
| 1996 | $837.4M | #148(β13) | -14.1% |
| 1995 | $974.3M | #135(β20) | +19.7% |
| 1994 | $813.6M | #115 |
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FAQ
What is Arthur J. Gallagher & Co.'s market cap?
Arthur J. Gallagher & Co. (AJG) has a market capitalization of $65.0B, making it the #238 largest company in the world by market cap.
What was Arthur J. Gallagher & Co.'s highest market cap?
Arthur J. Gallagher & Co.'s all-time high market cap was $71.7B, reached in 2024-12-31. Its highest rank was #175 in 2024.
What sector is Arthur J. Gallagher & Co. in?
Arthur J. Gallagher & Co. is in the Financial Services sector, specifically the Insurance Brokers industry. It is based in United States.
How has Arthur J. Gallagher & Co.'s market cap changed over time?
Arthur J. Gallagher & Co. has been tracked since 2026. Its market cap has grown by 0% from $65.0B in 2026 to $65.0B today.