How Tetra Tech makes money

Period

FY2025

How does Tetra Tech make money? This Sankey traces every dollar of revenue through the income statement — into cost of revenue, R&D, SG&A, and taxes — and shows what's left as profit. Pick any fiscal year, recent quarter, or the trailing twelve months. Straight from SEC filings.

Tetra Tech Inc. · FY2025 · year ended 2025-09-28

Revenue$5.4BGross profit$961M · 18%Cost of revenue$4.5B · 82%Operating income$408M · 8%Operating expenses$553M · 10%Other opex$553M · 10%Pre-tax income$378M · 7%Other expense$31M · 1%Net income$248M · 5%Income tax$130M · 2%

Each fiscal year from SEC filings. Percentages are share of revenue, so the green profit nodes read directly as gross / operating / net margin. Line items a company doesn't break out are derived from their siblings so the flows balance; small residuals show as “Other.” For informational purposes only.