Tetra Tech Inc (TTEK)

Pretax margin

Sep 30, 2025 Sep 30, 2024 Sep 30, 2023 Sep 30, 2022 Sep 30, 2021
Earnings before tax but after interest (EBT) US$ in thousands 377,617 463,466 400,978 348,766 266,870
Revenue US$ in thousands 5,442,590 5,198,680 4,522,550 2,835,580 3,213,510
Pretax margin 6.94% 8.92% 8.87% 12.30% 8.30%

September 30, 2025 calculation

Pretax margin = EBT ÷ Revenue
= $377,617K ÷ $5,442,590K
= 6.94%