Tetra Tech reviews

3.8

75% would recommend to a friend

(1,902 total reviews)
avatar

Dan L. Batrack

74% approve of CEO

65% positive business outlook

Tetra Tech has an employee rating of 3.8 out of 5 stars, based on 1,902 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
Dec 2, 2025

Great company

Recommend
CEO approval
Business Outlook

Pros

Benefits, staff development, opportunities for advancement.

Cons

Shifts in the cooperation landscape and funding.

2.0
Nov 26, 2025
Recommend
CEO approval
Business Outlook

Pros

People you work with. Travel opportunities internationally

Cons

Everything else is negative about this company. Project staff is disposable.

Viewing 55 - 57 of 1,902 Reviews

Glassdoor has 2,476 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.