Tetra Tech (TTEK) Gross Margin (2009 - 2026)

Tetra Tech has reported Gross Margin for 18 years, with the latest figure at 18.59% in Q2 2026.

• Gross Margin for Q2 2026 came in at 18.59%, up 22.0% year-over-year; the trailing twelve-month figure through Jun 2026 was 18.78% (up 178.0% YoY), and the FY2025 annual result was 17.66%, up 100.0% from the prior year.
• Gross Margin climbed to 18.59% in Q2 2026, from 17.55% in the prior quarter.
• Over five years, Gross Margin peaked at 20.61% in Q3 2025 and troughed at 14.75% in Q2 2023.
• A 5-year average of 16.93% and a median of 16.6% in 2024 frame the typical range for Gross Margin.
• The widest annual swing landed in 2023, when Gross Margin slumped 162 bps; it then surged 277 bps in 2025.
• A 5-year view of Gross Margin shows it stood at 17.29% in 2022, then fell by 10 bps to 15.51% in 2023, then advanced by 1 bps to 15.59% in 2024, then climbed by 17 bps to 18.2% in 2025, then rose by 2 bps to 18.59% in 2026.
• Per Business Quant data, the three most recent Gross Margin figures were 18.59% in Q2 2026, 17.55% in Q1 2026, and 18.2% in Q4 2025.