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 was 12.12% for Q1 2026 at Aecom, down from 19.71% in the prior quarter.
• In the past five years, Tax Rate ranged from a high of 39.73% in Q1 2022 to a low of 12.12% in Q1 2026.
• Historically, Tax Rate has averaged 21.9% across 5 years, with a median of 21.37% in 2022.
• The sharpest annual moves came in 2022 and 2023: Tax Rate soared 13909 bps in 2022, then slumped 1517 bps in 2023.
• A 5-year view of Tax Rate shows it stood at 20.96% in 2022, then decreased by 7 bps to 19.52% in 2023, then slumped by 31 bps to 13.41% in 2024, then surged by 47 bps to 19.71% in 2025, then sank by 39 bps to 12.12% in 2026.
• The last three Tax Rate figures came in at 12.12% (Q1 2026), 19.71% (Q4 2025), and 28.1% (Q3 2025), per Business Quant data.