Tetra Tech Employees

Tetra Tech had 25,000 employees as of September 28, 2025. The number of employees decreased by 5,000 or -16.67% compared to the previous year.

Employees

25,000

Change (1Y)

-5,000

Growth (1Y)

-16.67%

Revenue / Employee

€157,951

Profits / Employee

€8,474

Market Cap

7.65B

Employees Chart

Date	Employees	Change	Growth
Sep 28, 2025	25,000	-5,000	-16.67%
Sep 29, 2024	30,000	3,000	11.11%
Oct 1, 2023	27,000	6,000	28.57%
Oct 2, 2022	21,000	0	-
Oct 3, 2021	21,000	1,000	5.00%
Sep 27, 2020	Pro	Pro	Pro
Sep 29, 2019	Pro	Pro	Pro
Sep 30, 2018	Pro	Pro	Pro
Oct 1, 2017	Pro	Pro	Pro
Oct 2, 2016	Pro	Pro	Pro

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