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
Nov 14, 2025
Recommend
CEO approval
Business Outlook

Pros

Decent pay OK insurance benefits OK 401k Lots of opportunity to network internally Nothing horribly off-putting. It's a job.

Cons

Some micro-management Weird PTO policy Some issues with work/life balancing

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

5.0
Nov 12, 2025

Great place to make a real impact

Anonymous employee
Recommend
CEO approval
Business Outlook

Pros

Working on the world’s big challenges in water, energy, sustainability and International Development. You can have a real impact! Class leading flexible work practices.

Cons

Always busy, but rewarded for your contribution

Viewing 64 - 66 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.