Aecom

ACMNYSEIndustrials● Active

$70.49

$-0.65(-0.91%)

Market Cap$9.1B

P/E Ratio—

52W High$135.52

52W Low$67.64

Avg Volume1.7M

Open$70.62

Beta0.93

Overview

Aecom (ACM) 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 · ACM · as of Nov 19, 2025

Latest filing snapshot

51,000

+0+0.00%vs prior year

Aecom (ACM) 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: 2025-09-30·Full-time · Global

Total Employees

51,000

Change (1Y)

Growth % (1Y)

+0.00%

Revenue / Employee

$316.5K

Net Income / Employee

$11.0K

Market Cap

$9.1B

ACM Employee Count

2007 – 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)
2025-11-19	2025-09-30	51,000	+0	+0.00%
2024-11-19	2024-09-30	51,000	-1,000	-1.92%
2023-11-15	2023-09-30	52,000	+2,000	+4.00%
2022-11-17	2022-09-30	50,000	-1,000	-1.96%
2021-11-17	2021-09-30	51,000	-3,000	-5.56%
2020-11-19	2020-09-30	54,000	-32,000	-37.21%
2019-11-13	2019-09-30	86,000	-1,000	-1.15%
2018-11-13	2018-09-28	87,000	+0	+0.00%
2017-11-14	2017-09-29	87,000	+0	+0.00%
2016-11-16	2016-09-30	87,000	-5,000	-5.43%

▸ 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

Engineering & Construction

#SymbolCompanyEmployeesMkt Cap

J.B. Hunt Transport Services, Inc.

33,646$26.9B #3

APG

APi Group Corporation

29,000$18.3B #4

EXPD

Expeditors International of Washington, Inc.

19,203$21.3B #5

CHRW

C.H. Robinson Worldwide, Inc.

13,347$22.2B #6

LII

Lennox International Inc.

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

About ACM employees

ACM Employees · Headcount

Aecom (ACM) employee data is sourced from the annual SEC 10-K filing. As of 2025, Aecom had 51,000 full-time employees globally. Full-time employees only. Global consolidated headcount.

Aecom employs 51,000 full-time employees as of the latest filing within the Engineering & Construction industry. Revenue per employee stands at $316,463, reflecting the company's operational efficiency.

Aecom's workforce increased by 0 (0.00%) in 2025 compared to the prior fiscal year. The historical trend reflects the company's expansion and contraction cycles.

Aecom's revenue per employee of $316,463 positions it among the notable performers in the Engineering & Construction sector for operational efficiency.

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

Frequently Asked Questions

ACM Employees · 5 questions

As of the latest SEC 10-K filing (2025), Aecom had 51,000 full-time employees globally. This figure is sourced from the company's mandatory annual disclosure to the SEC.

Aecom employee counthow many employees does Aecom haveACM total employees 2025

▸ Data source: FMP /historical-employee-count · SEC EDGAR annual filings · As reported · Global consolidated headcount · As of 2025-11-19