Tetra Tech reviews

3.7

73% would recommend to a friend

(1,913 total reviews)
avatar

Dan L. Batrack

71% approve of CEO

63% positive business outlook

Tetra Tech has an employee rating of 3.7 out of 5 stars, based on 1,913 company reviews on Glassdoor which indicates that most employees have a good working experience there. The Tetra Tech employee rating is in line with the average (within 1 standard deviation) for employers within the Construction, Repair & Maintenance Services industry (3.7 stars).

Reviews by job title

2K reviews
5.0
Nov 8, 2025

Great Company!

Recommend
CEO approval
Business Outlook

Pros

Flexibility, Great work environment, Flex time

Cons

Productivity tools could be better. IT support could be better.

4.0
Nov 4, 2025
Recommend
CEO approval
Business Outlook

Pros

Amazing colleagues and Good work environment

Cons

Working here was slow paced

5.0
Nov 1, 2025
Recommend
CEO approval
Business Outlook

Pros

Job tasks were laid out simply and advancement is possible

Cons

Work life balance was not good. If you missed any days you were likely to be first removed from the job

Viewing 553 - 555 of 1,913 Reviews

Glassdoor has 2,489 Tetra Tech reviews submitted anonymously by Tetra Tech employees. Read employee reviews and ratings on Glassdoor to decide if Tetra Tech is right for you.