• Tetra Tech average return on investment for 2023 was 13.92, a 25.48% decline from 2022.
• Tetra Tech average return on investment for 2022 was 18.68, a 19.82% decline from 2021.
• Tetra Tech average return on investment for 2021 was 15.59, a 27.27% increase from 2020.

Roi - return on investment can be defined as an indicator of how profitable a company is relative to its assets invested by shareholders and long-term bond holders. Calculated by dividing a company's operating earnings by its long-term debt and shareholders equity.