Arthur J. Gallagher & Co. number of employees

Arthur J. Gallagher & Co. reported 72,000 employees at December 31, 2025 in its latest annual report, up 16,000 (28.6%) on the year before. That compares with 39,000 at December 31, 2021. Revenue per employee was $193,639.

Headcount by year

Fiscal year end	Employees	Change	Revenue per employee	Source
December 31, 2025	72,000	+16,000 (28.6%)	$193,639	10-K, filed February 17, 2026
December 31, 2024	56,000	+4,000 (7.7%)	$206,339	10-K, filed February 18, 2025
December 31, 2023	52,000	+8,000 (18.2%)	$193,692	10-K, filed February 9, 2024
December 31, 2022	44,000	+5,000 (12.8%)	$194,332	10-K, filed February 10, 2023
December 31, 2021	39,000	—	$210,497	10-K, filed February 18, 2022

What the annual reports say

Human Capital As of December 31, 2025, we had approximately 72,000 employees, with approximately 47% in the U.S. and 53% outside of the U.S. 2025 annual report
Human Capital As of December 31, 2024, we had approximately 56,000 employees, with approximately 43% in the U.S. and 57% outside of the U.S. 2024 annual report
Human Capital As of December 31, 2023, we had approximately 52,000 employees, with approximately 45% in the U.S. and 55% outside of the U.S. 2023 annual report
As of December 31, 2022, we had approximately 44,000 employees, with approximately 45% in the U.S. and 55% outside of the U.S. 2022 annual report
As of December 31, 2021, we had approximately 39,000 employees, with approximately 47% in the U.S. and 53% outside of the U.S. 2021 annual report

Headcount as the company states it in Item 1 of its annual report (some count full-time equivalents or exclude part-time and temporary staff), at the date it gives. Years where the report states no clear total are left out rather than estimated. Changes can reflect acquisitions and disposals as well as hiring and job cuts.

Compare with peers

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Figures from Arthur J. Gallagher & Co.'s SEC filings (10-K and 10-Q), retrieved October 20, 2026. How we read and check them: methodology and data sources. Not investment advice. Back to Arthur J. Gallagher & Co.