Aecom (ACM) Tax Rate (2009 - 2026)

Aecom's Tax Rate history runs 18 years deep, the most recent figure standing at 12.12% for Q1 2026.

• In Q1 2026, Tax Rate fell 1105.0% year-over-year to 12.12%; the TTM figure through Mar 2026 stood at 21.14% (up 216.0% YoY), while the FY2025 annual figure was 22.28%, up 99.0% from the prior year.
• Tax Rate for Q1 2026 stood at 12.12%, down from 19.71% in the prior quarter.
• The five-year high for Tax Rate was 39.73% in Q1 2022, with the low at 12.12% in Q1 2026.
• The 5-year median for Tax Rate is 21.37% (2022), against an average of 21.9%.
• The sharpest annual moves came in 2022 and 2023: Tax Rate surged 13909 bps in 2022, then sank 1517 bps in 2023.
• Aecom's Tax Rate stood at 20.96% in 2022, then retreated by 7 bps to 19.52% in 2023, then tumbled by 31 bps to 13.41% in 2024, then jumped by 47 bps to 19.71% in 2025, then plunged by 39 bps to 12.12% in 2026.
• Business Quant data shows ACM's Tax Rate at 12.12% in Q1 2026, 19.71% in Q4 2025, and 28.11% in Q3 2025.