Tetra Tech reviews

3.8

74% would recommend to a friend

(1,913 total reviews)
avatar

Dan L. Batrack

72% approve of CEO

64% positive business outlook

Tetra Tech has an employee rating of 3.8 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
4.0
Nov 21, 2025

Great opportunity

Anonymous employee
Recommend
CEO approval
Business Outlook

Pros

Very good opportunity for learning and contributing to development.

Cons

not anything major I can think of

5.0
Nov 13, 2025

Review

Recommend
CEO approval
Business Outlook

Pros

Supportive Environment, good support from head office

Cons

Old office building, aged equipment

Viewing 1357 - 1359 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.