Tetra Tech Inc (TTEK)

Operating profit margin

Sep 30, 2025 Sep 30, 2024 Sep 30, 2023 Sep 30, 2022 Sep 30, 2021
Operating income US$ in thousands 408,419 500,737 358,113 340,446 278,701
Revenue US$ in thousands 5,442,590 5,198,680 4,522,550 2,835,580 3,213,510
Operating profit margin 7.50% 9.63% 7.92% 12.01% 8.67%

September 30, 2025 calculation

Operating profit margin = Operating income ÷ Revenue
= $408,419K ÷ $5,442,590K
= 7.50%