Tetra Tech Inc (TTEK)

Gross profit margin

Sep 30, 2025 Sep 30, 2024 Sep 30, 2023 Sep 30, 2022 Sep 30, 2021
Gross profit US$ in thousands 961,344 866,440 725,029 575,559 498,400
Revenue US$ in thousands 5,442,590 5,198,680 4,522,550 2,835,580 3,213,510
Gross profit margin 17.66% 16.67% 16.03% 20.30% 15.51%

September 30, 2025 calculation

Gross profit margin = Gross profit ÷ Revenue
= $961,344K ÷ $5,442,590K
= 17.66%