Tetra Tech, Inc

Parent Company Tetra Tech, Inc
Contact Jim Wu
(Vice President, Corporate Finance)
3475 East Foothill Boulevard, Pasadena, 91107-6024, California, United States
Tel: (626) 470-2323
Company Background

Tetra Tech is a leading provider of high-end consulting and engineering services for projects worldwide. With 20,000 associates working together, Tetra Tech provides clear solutions to complex problems in water, environment, sustainable infrastructure, and renewable energy. We are Leading with Science® to provide sustainable and resilient solutions for our clients.

UK branch offices


International offices


Global group staff 20000
Global environmental services staff 19000
Global environmental consulting staff 16500
UK group staff 1600
UK environmental services staff 1500
UK environmental consulting staff 1100
Work Area Details
  • Air quality
  • Climate change & energy
  • Contaminated site assessment/remediation
  • Ecological/wildlife services
  • Impact assessment
  • Environmental risk & due diligence
  • Environmental management & compliance
  • Environmental noise & vibration
  • Sustainability strategy & ESG
  • Waste management/circular economy
  • Water quality & resource management
  • Other services