Arthur J. Gallagher & Co.

AJGNYSEFinancial Services● Active

$216.14

+$5.84(+2.78%)

Market Cap$55.5B

P/E Ratio—

52W High$337.33

52W Low$190.75

Avg Volume2.0M

Open$212.28

Beta0.53

Overview

Arthur J. Gallagher & Co. (AJG) Number of Employees – History & Annual Headcount

Annual SEC headcount, year-over-year change, and per-employee efficiency — chart and full history below.

SEC EDGAR · FMP · AJG · as of Feb 17, 2026

Latest filing snapshot

72,000

+16,000+28.57%vs prior year

Arthur J. Gallagher & Co. (AJG) employee data is sourced from the annual SEC 10-K filing. As of 2025, full-time employees only. Global consolidated headcount. View SEC filing ↗

SEC 10-K·Period end: 2025-12-31·Full-time · Global

Total Employees

72,000

Change (1Y)

+16,000

Growth % (1Y)

+28.57%

Revenue / Employee

$193.6K

Net Income / Employee

$20.7K

Market Cap

$55.5B

AJG Employee Count

1994 – 2025 · Annual · SEC filing

Source: SEC annual filings · Hover bar to view year data · Click to view original filing

Employees History

Filing Date	Period End	Employees	Change (1Y)	Growth (1Y)
2026-02-17	2025-12-31	72,000	+16,000	+28.57%
2025-02-18	2024-12-31	56,000	+4,000	+7.69%
2024-02-09	2023-12-31	52,000	+8,000	+18.18%
2023-02-10	2022-12-31	44,000	+5,000	+12.82%
2022-02-18	2021-12-31	39,000	+6,599	+20.37%
2021-02-08	2020-12-31	32,401	-899	-2.70%
2020-02-07	2019-12-31	33,300	+2,900	+9.54%
2019-02-08	2018-12-31	30,400	+3,600	+13.43%
2018-02-12	2017-12-31	26,800	+2,000	+8.06%
2017-02-13	2016-12-31	24,800	+3,300	+15.35%

▸ Source: SEC Annual Reports (Form 10-K / 20-F). Employee counts as of fiscal year end. Click the ↗ icon at the end of a row to open the original SEC filing in a new tab.

Related Companies — Employee Count

Insurance - Brokers

#SymbolCompanyEmployeesMkt Cap

Marsh & McLennan Companies, Inc.

90,000$89.8B #3

AJG

Arthur J. Gallagher & Co.YOU

Manulife Financial Corporation

37,000$64.9B #6

PYPL

PayPal Holdings, Inc.

Source: /stock-peers + /profile.fullTimeEmployees · Click row → /employees · Sorted by headcount · AJG peer comparison

About AJG employees

AJG Employees · Headcount

Arthur J. Gallagher & Co. (AJG) employee data is sourced from the annual SEC 10-K filing. As of 2025, Arthur J. Gallagher & Co. had 72,000 full-time employees globally. Full-time employees only. Global consolidated headcount.

Arthur J. Gallagher & Co. employs 72,000 full-time employees as of the latest filing within the Insurance - Brokers industry. Revenue per employee stands at $193,636, reflecting the company's operational efficiency.

Arthur J. Gallagher & Co.'s workforce increased by 16,000 (28.57%) in 2025 compared to the prior fiscal year. The historical trend reflects the company's expansion and contraction cycles.

Arthur J. Gallagher & Co.'s revenue per employee of $193,636 positions it among the notable performers in the Insurance - Brokers sector for operational efficiency.

Revenue Financial statements Net income SEC filings Price history Forecast & ratings Ownership Earnings

Frequently Asked Questions

AJG Employees · 5 questions

As of the latest SEC 10-K filing (2025), Arthur J. Gallagher & Co. had 72,000 full-time employees globally. This figure is sourced from the company's mandatory annual disclosure to the SEC.

Arthur J. Gallagher & Co. employee counthow many employees does Arthur J. Gallagher & Co. haveAJG total employees 2025

▸ Data source: FMP /historical-employee-count · SEC EDGAR annual filings · As reported · Global consolidated headcount · As of 2026-02-17