Forensic Analysis · Consulting & Engineering Services · as of Nov 9, 2026

Tetra Tech Inc (TTEK)

A forensic read on Tetra Tech Inc built from its complete SEC filings — financial-health screens, earnings quality, red flags and a price-aware rating. Reproducible math, not opinion.

A · High-quality compounder

Forensic grade

Safe

Financial health

3.2

Distress distance

Clean

Earnings quality

Forensic signals

13.7%

ROE

4.7%

Revenue growth

This free snapshot doesn't read filing or proxy text, so the auditor-quality and governance checks that can lower a grade were not evaluated (auditor quality, say on pay, board independence, going concern). Those checks only ever lower a grade, so the full analysis can land below the grade above but never above it — treat it as the most favourable reading, not the settled one.

Tetra Tech Inc earns an A (High-quality compounder) forensic quality grade, and its balance-sheet distress test reads 3.2, placing it in the Safe zone. 2 forensic signals were flagged in its latest SEC filings, led by goodwill impairments.

What the filings flag

$92M

FY2025

Goodwill impairments. Took $92M of goodwill writedowns across 1 year (FY2025 ($92M)) — about 37% of net income over the span. A large writedown means an acquisition turned out worth far less than was paid — a real mark against M&A discipline.

9.8%

FY2025

Return on invested capital. Return on invested capital is 9.8% in the latest fiscal year, against 10.0% in FY2023, having run between 9.8% and 13.9% across FY2023–FY2025 with no direction held. After-tax operating profit was $244M in FY2023 and $268M in FY2025, with operating income at 7.9% of revenue in FY2023, 9.6% in FY2024 and 7.5% in FY2025. The capital base behind it cannot be compared across FY2023–FY2025: short-term debt is tagged in one of those two fiscal years and not the other, and an untagged line enters this calculation as zero, so any change in the base would be a change in what the filer tagged.

Key fundamentals

Latest Revenue$5.44B

Revenue Growth YoY+4.7%

Revenue CAGR (2yr)+9.7%

Net Margin4.6%

Free Cash Flow$439.1M

Return on Equity13.7%

Debt / Equity0.44x

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Data from SEC EDGAR public filings · metrics as of Nov 9, 2026. Forensic signals flag probability, not certainty.

See a wrong number? Report an error with the filing it should match.