Tetra Tech, a company built on Leading with Science®

Tetra Tech is the leader in water, environment and sustainable infrastructure, providing high-end consulting and engineering services for projects worldwide. With 28,000 employees working together, Tetra Tech provides clear solutions to complex problems by Leading with Science® to address the entire water cycle, protect and restore the environment, design sustainable and resilient infrastructure, and support the clean energy transition.

Annual Revenue: $5B

28,000 Employees

550 Offices Worldwide

100,000 Projects Per Year



Quarterly Results

Dan Batrack

"Based on the strength of our end markets, our strong results in the first quarter, and the increasing realization of revenue synergies with RPS, we have raised our full year guidance for both net revenue and EPS."

- Dan L. Batrack, CEO

All Quarters

Featured Presentation

Press Releases

All Press Releases