• Tetra Tech average pre-tax profit margin for 2024 was 8.02%, a 13.2% decline from 2023.
• Tetra Tech average pre-tax profit margin for 2023 was 9.24%, a 6.76% decline from 2022.
• Tetra Tech average pre-tax profit margin for 2022 was 9.91%, a 18.54% decline from 2021.

Pre-tax profit margin can be defined as earnings before taxes as a portion of total revenue.