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
3.0
Oct 10, 2025

Tetra Tech company review

Recommend
CEO approval
Business Outlook

Pros

Flexible work environment, remote/hybrid. Dedicated co-workers.

Cons

Benefits are subpar, vacation time is awful

2.0
Oct 8, 2025
Recommend
CEO approval
Business Outlook

Pros

Used to get experience in a lot of different projects and areas

Cons

Change of management and not clear expectations

Viewing 85 - 87 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.