TickerFacts.

Tetra Tech Inc (TTEK): Revenue

Annual figures by period end, from SEC filings.

$5.44B
Year ended 2025-09-28
$5.07B
Trailing 12 months to 2026-06-28
+15.8%
3-year compound annual growth
+12.7%
5-year compound annual growth
2016-10-02: $2.58B2017-10-01: $2.75B2018-09-30: $2.96B2019-09-29: $3.11B2020-09-27: $2.99B2021-10-03: $3.21B2022-10-02: $3.50B2023-10-01: $4.52B2024-09-29: $5.20B2025-09-28: $5.44B$5.44B
2016-10-02 Revenue (USD) 2025-09-28
Period endedRevenueChange YoYSource filing
2025-09-28$5.44B+4.7%2025-11-20, From 2024-09-30
2024-09-29$5.20B+15.0%2025-11-20, From 2023-10-02
2023-10-01$4.52B+29.1%2025-11-20, From 2022-10-03
2022-10-02$3.50B+9.0%2024-11-19, From 2021-10-04
2021-10-03$3.21B+7.3%2023-11-22, From 2020-09-28
2020-09-27$2.99B-3.6%2022-11-25, From 2019-09-30
2019-09-29$3.11B+4.8%2021-11-24, From 2018-10-01
2018-09-30$2.96B+7.7%2020-11-23, From 2017-10-02
2017-10-01$2.75B+6.6%2019-11-29, From 2016-10-03
2016-10-02$2.58Bn/a2018-11-16, From 2015-09-28

Revenue at similar companies

Companies with the same SEC industry code (Services-Engineering Services), reporting in the same currency, closest in revenue. Each shows its own latest fiscal year, so period ends differ.

CompanyYear endedRevenueChange YoY
Tetra Tech Inc (TTEK)2025-09-28$5.44B+4.7%
Aecom (ACM)2025-09-30$16.14B+0.2%
VSE Corp (VSEC)2025-12-31$1.11B+41.5%
Mistras Group, Inc. (MG)2025-12-31$724.02M-0.8%
Willdan Group, Inc. (WLDN)2026-01-02$681.55M+20.5%
Acorn Energy, Inc. (ACFN)2025-12-31$11.48M+4.5%
OFA Group (OFAL)2026-03-31$716.9K+254.9%
HyOrc Corp (HYOR)2025-12-31$59.1K-90.4%

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