The short version

From the latest prices and each company's SEC filings. Who's ahead on each measure, not which to buy.

  • Arthur J Gallagher & is the larger company, worth $62.3B, about 2.8 times Brown & Brown.
  • Brown & Brown grew revenue faster over the last year (+30.4% vs +24.2%).
  • On earnings, Brown & Brown is the cheaper stock (21.2x vs 39.2x).
  • Arthur J Gallagher &'s price assumes faster free cash flow growth: about 12% a year, against 2% for Brown & Brown (reverse DCF).

Side by side

The stronger figure is shaded where higher (or, for valuation multiples, lower) reads as better. How the implied growth works.

MeasureAJGBRO
Market cap$62.3B$22.1B
Share price$232.70$62.88
Revenue (last fiscal year)$13.9B$5.9B
Free cash flow (last fiscal year)$1.8B$1.4B
Revenue growth, last year+24.2%+30.4%
Revenue growth per year, last 5 fiscal years+14.2%+17.9%
Operating margin12.6%—
Net margin10.0%17.8%
Return on equity6.6%9.6%
P/E (trailing)39.2x21.2x
Price / free cash flow34.9x16.0x
EV / EBITDA18.6x14.5x
FCF growth the price implies12.3%2.0%
Dividend yield1.1%0.98%
Debt / equity2.45x1.37x
Fundamental gradeDB
Superinvestors holding it97
Insider purchases, last 12 months1010

Results from SEC filings

Revenue and free cash flow by fiscal year, from each company's 10-K filings.

Arthur J Gallagher &

YearRevenueFree cash flowOp. margin
2021$8.2B$1.3B11.9%
2022$8.6B$1.2B15.5%
2023$10.1B$1.8B11.8%
2024$11.6B$2.4B16.2%
2025$13.9B$1.8B13.4%

Brown & Brown

YearRevenueFree cash flowOp. margin
2021$3.1B$764M—
2022$3.6B$829M—
2023$4.3B$941M—
2024$4.8B$1.1B—
2025$5.9B$1.4B—

Where the revenue comes from

Arthur J Gallagher & · by segments, 2025

Brokerage$12.2B87%
Risk Management$1.7B13%
Corporate$1M0%

Brown & Brown · by segments, 2025

Retail$3.4B59%
Specialty Distribution$2.4B41%
Compare them in fullFifteen years of statements, quarterly results, DCF and IRR models, and any number of peers side by side.
Open AJG in Investingly

Questions

Which is bigger, Arthur J Gallagher & or Brown & Brown?

Arthur J Gallagher & (AJG), at $62.3B against $22.1B.

Is AJG or BRO cheaper?

By trailing P/E, Brown & Brown (21.2x) is cheaper than Arthur J Gallagher & (39.2x). A lower multiple can also mean the market expects less growth.

Which grows faster, AJG or BRO?

Brown & Brown: revenue grew +30.4% over the last year, against +24.2%.

Prices and ratios as of the last daily update; statements from SEC filings. Information only, not investment advice.