Tetra Tech reviews

3.8

75% would recommend to a friend

(1,903 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 1,903 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
Oct 2, 2025

Great place

Recommend
CEO approval
Business Outlook

Pros

Great team to work with

Cons

Bureaucratic approach to decision making across the business

5.0
Oct 1, 2025

Best company

Recommend
CEO approval
Business Outlook

Pros

Good Company with good benefits

Cons

No cons for this company.

Viewing 91 - 93 of 1,903 Reviews

Glassdoor has 2,477 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.