Tetra Tech reviews

3.8

74% would recommend to a friend

(1,913 total reviews)
avatar

Dan L. Batrack

72% approve of CEO

64% positive business outlook

Tetra Tech has an employee rating of 3.8 out of 5 stars, based on 1,913 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
2.0
Feb 25, 2026

Unfair Salary

Recommend
CEO approval
Business Outlook

Pros

The pay the full medical aid for the employee and its familly.

Cons

They take advantage of you especially is you come with a lower salary

1.0
Feb 9, 2026

Awful culture

Recommend
CEO approval
Business Outlook

Pros

A few likeable people, other than that - zero pros.

Cons

Run by old school mentality and fear. Senior Director never gets hands dirty or manages his direct reports. People (bullies) with bad behaviours ruling the roost. No support or progression.

5.0
Nov 23, 2025

Great to work here

Recommend
CEO approval
Business Outlook

Pros

A great team, interesting projects

Cons

Profit driven, high pressure, occasional lack of training within the team

Viewing 1285 - 1287 of 1,913 Reviews

Glassdoor has 2,490 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.