Tetra Tech reviews

3.8

75% would recommend to a friend

(1,902 total reviews)
avatar

Dan L. Batrack

74% approve of CEO

66% 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
Apr 22, 2026

Good work from home

Anonymous employee
Recommend
CEO approval
Business Outlook

Pros

Good work from home flexibility

Cons

Company that acquires lots of other smaller companies

3.0
Apr 22, 2026

Tetra tech

Recommend
CEO approval
Business Outlook

Pros

You can turn ur over time to paid day off

Cons

Need to do over time often Job and responsibilities would give you lot of stress. Sometimes too much work and other time no work.

Viewing 16 - 18 of 1,902 Reviews

Glassdoor has 2,475 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.