Tetra Tech provides high-end consulting, engineering and technical services focused on water, the environment and sustainable infrastructure. Its scientists and engineers support governments and commercial clients on water supply and treatment, environmental remediation, climate resilience and related digital tools. The firm is known for “end-to-end” project delivery—from planning and permitting through design and construction oversight—rather than pure construction contracting.
| Quarter | Revenue | YoY % | Earnings | YoY % |
|---|---|---|---|---|
| Q2 2025 | 1,369.8 | — | 113.8 | 33% |
| Q3 2025 | 1,330.1 | — | 127.8 | 24.9% |
| Q4 2025 | 1,210.7 | — | 105 | 12.1% |
| Q1 2026 | 1,220.2 | — | 93.6 | 5.8% |
| Q2 2026 | 1,308.6 | -4.5% | 109.6 | -3.7% |
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