Aecom (ACM) Tax Rate (2009 - 2026)
Aecom's Tax Rate was 24.93% in fiscal Q3 2026 (quarter ended Jun 30, 2026), up 0.69 percentage points from 24.24% a year earlier and up 12.82 percentage points from the prior quarter.
Powered by 
Analysis
Aecom (ACM) Tax Rate (2009 - 2026) Analysis & Trends
On a trailing twelve-month basis, Aecom's Tax Rate was 18.76% through Jun 30, 2026, down 0.73 percentage points year-over-year; for FY2025 (ended Sep 30, 2025), it came in at 22.28%, up 0.99 percentage points from FY2024.
- Tax Rate shows a five-year change of +2.59 percentage points (FY2020 to FY2025).
- In earlier fiscal years, Tax Rate was 21.29% in FY2024 (-5.00 pp), 26.29% in FY2023 (+1.57 pp), 24.71% in FY2022 (+2.94 pp) and 21.77% in FY2021 (+2.08 pp).
- Quarterly Tax Rate has moved between 12.12% (fiscal Q2 2026) and 39.73% (fiscal Q2 2022) over five years.
- Compared with a year earlier, Tax Rate was higher in four of the last eight quarters, with an average year-over-year change of -0.17 percentage points.
- The best year-over-year quarter for Tax Rate over five years was fiscal Q3 2022 (a gain of 139.09 percentage points); the worst was fiscal Q4 2021 (a drop of 48.15 percentage points).
- Per Business Quant data, ACM's Tax Rate in the three fiscal quarters before Q3 2026 was 12.12% (Q2 2026), 19.71% (Q1 2026) and 28.11% (Q4 2025).
Peer Set
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | Tax Rate (Qtr) |
|---|---|---|---|---|---|
| 1 | Quanta Services | 89.22 Bn | 85.60 Bn | 2.01 Bn | 25.16% |
| 2 | Ferrovial | 44.13 Bn | 22.38 Bn | - | - |
| 3 | Emcor | 28.90 Bn | 25.18 Bn | 1.11 Bn | 27.23% |
| 4 | Jacobs Solutions | 18.48 Bn | 13.15 Bn | 810.70 Mn | 43.37% |
| 5 | Mastec | 14.92 Bn | 13.45 Bn | 660.86 Mn | 23.81% |
| 6 | Aecom | 9.02 Bn | 4.14 Bn | -34.04 Mn | - |
| 7 | Sterling Infrastructure | 8.94 Bn | 7.35 Bn | 377.28 Mn | 24.88% |
| 8 | Stantec | 8.70 Bn | 7.62 Bn | 1.36 Bn | 24.69% |
| 9 | Fluor | 7.00 Bn | -6.21 Bn | 179.00 Mn | 16.03% |
| 10 | IES Holdings | 6.92 Bn | 5.78 Bn | 340.66 Mn | 25.04% |
Historic Data
Download Data
Historic Data
| Date | Value |
|---|---|
| Mar 31, 2026 | 12.12% |
| Dec 31, 2025 | 19.71% |
| Sep 30, 2025 | 28.11% |
| Jun 30, 2025 | 24.24% |
| Mar 31, 2025 | 23.17% |
| Dec 31, 2024 | 13.41% |
| Sep 30, 2024 | 15.97% |
| Jun 30, 2024 | 23.87% |
| Mar 31, 2024 | 26.57% |
| Dec 31, 2023 | 19.52% |
| Sep 30, 2023 | 16.25% |
| Mar 31, 2023 | 24.56% |
| Dec 31, 2022 | 20.96% |
| Sep 30, 2022 | 21.37% |
| Jun 30, 2022 | 27.84% |
| Mar 31, 2022 | 39.73% |
| Dec 31, 2021 | 15.47% |
| Sep 30, 2021 | 30.71% |
| Mar 31, 2021 | 27.36% |
| Dec 31, 2020 | 22.38% |
API Access
Aecom Tax Rate API
Pull this series into your own models, spreadsheets and apps with the Business Quant
Historical Metrics API. The request below matches the chart above — change the
frequency, period or values and it follows. Swap YOUR_API_KEY for your own key.
https://data.businessquant.com/historic?slug=tax-rate&ticker=ACM&period=max&api_key=YOUR_API_KEYimport requests
url = "https://data.businessquant.com/historic"
params = {"slug": "tax-rate", "ticker": "ACM", "period": "max", "api_key": "YOUR_API_KEY"}
data = requests.get(url, params=params).json()const res = await fetch("https://data.businessquant.com/historic?slug=tax-rate&ticker=ACM&period=max&api_key=YOUR_API_KEY");
const data = await res.json();