Tetra Tech (TTEK) Tax Rate (2009 - 2026)

Tetra Tech has reported Tax Rate for 18 years, with the latest figure at 27.17% in Q2 2026.

• Tax Rate for Q2 2026 came in at 27.17%, down 15.0% year-over-year; the trailing twelve-month figure through Jun 2026 was 26.5% (down 962.0% YoY), and the FY2025 annual result was 34.34%, up 628.0% from the prior year.
• Tax Rate rose to 27.17% in Q2 2026, from 26.34% in the prior quarter.
• Over five years, Tax Rate peaked at 94.92% in Q4 2024 and troughed at 18.76% in Q1 2022.
• A 5-year average of 34.4% and a median of 27.25% in 2023 frame the typical range for Tax Rate.
• The widest annual swing landed in 2024, when Tax Rate soared 6879 bps; it then sank 6924 bps in 2025.
• A 5-year view of Tax Rate shows it stood at 25.99% in 2022, then advanced by 1 bps to 26.13% in 2023, then jumped by 263 bps to 94.92% in 2024, then sank by 73 bps to 25.68% in 2025, then increased by 6 bps to 27.17% in 2026.
• Per Business Quant data, the three most recent Tax Rate figures were 27.17% in Q2 2026, 26.34% in Q1 2026, and 25.68% in Q4 2025.