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

Tetra Tech (TTEK) has 18 years of Gross Margin data on file, last reported at 17.55% in Q1 2026.

• Gross Margin for Q1 2026 came in at 17.55%, up 135.0% year-over-year; the trailing twelve-month figure through Mar 2026 was 18.71% (up 216.0% YoY), and the FY2025 annual result was 17.66%, up 100.0% from the prior year.
• Gross Margin slipped to 17.55% in Q1 2026 per TTEK's latest filing, from 18.2% 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 16.84% and a median of 16.59% in 2024 frame the typical range for Gross Margin.
• The sharpest annual moves came in 2023 and 2025: Gross Margin slumped 162 bps in 2023, then jumped 277 bps in 2025.
• A 5-year view of Gross Margin shows it stood at 17.29% in 2022, then declined by 10 bps to 15.51% in 2023, then gained by 1 bps to 15.59% in 2024, then advanced by 17 bps to 18.2% in 2025, then fell by 4 bps to 17.55% in 2026.
• Business Quant data shows TTEK's Gross Margin at 17.55% in Q1 2026, 18.2% in Q4 2025, and 20.61% in Q3 2025.