TETRA TECH INC (TTEK) /

The revenue of TETRA TECH INC over the past 10 years

Chart TETRA TECH INC: revenue, fiscal 2016–2025 Open the chart →

TETRA TECH INC reported revenue of $5.44B in fiscal 2025, the latest fiscal year on file. In fiscal 2016 it was $2.58B — up 111% over 9 years. Year over year, revenue rose 8 times and fell once. The largest one-year move was in fiscal 2023: up 29%, from $3.5B to $4.52B.

Year by year

Fiscal yearRevenue
2025ended Sep 28, 2025$5.44B
2024ended Sep 29, 2024$5.2B
2023ended Oct 1, 2023$4.52B
2022ended Oct 2, 2022$3.5B
2021ended Oct 3, 2021$3.21B
2020ended Sep 27, 2020$2.99B
2019ended Sep 29, 2019$3.11B
2018ended Sep 30, 2018$2.96B
2017ended Oct 1, 2017$2.75B
2016ended Oct 2, 2016$2.58B

Fiscal years as TETRA TECH INC reports them. * Calculated by us from the company's filed figures; — no figure on file. From SEC filings, updated nightly. How each line is read.

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Not investment advice. This page shows what TETRA TECH INC filed with the SEC. Nothing here is a recommendation about any security. Check important figures against the company's own filings.