Tetra Tech IncTTEK
What Tetra Tech Inc does.
Te tra Tech, Inc. ("Tetra Tech") is a leading global provider of high-end consulting and engineering services that focuses on water, environment and sustainable infrastructure. We are a global company that is Leading with Science® to provide innovative solutions for our public and private clients. We typically begin at the earliest stage of a project by identifying technical solutions and developing execution plans tailored to our clients' needs and resources.
Tetra Tech is Leading with Science® to provide sustainable and resilient solutions to our clients' most complex needs. Engineering News-Record ("ENR"), the engineering industry's leading magazine, has ranked Tetra Tech #1 in Water Treatment and Desalination for 12 years in a row. In 2025, we were also ranked #1 in consulting studies, environmental management, environmental science, wind power, hydro plants, site assessment and compliance, and green government offices. ENR also ranked Tetra Tech in the Top 10 in numerous categories, including dams and reservoirs, marine and port facilities, power, solar power, solid waste, chemical and soil remediation, and hazardous waste.
Our reputation for high-end consulting and engineering services and our ability to develop solutions for water and environmental management has supported our growth for more than 50 years. Our market leading climate mitigation and adaptation services are solving our clients' most complex challenges related to coastal flooding, water security, energy transition and biodiversity protection. Today, we are proud to be making a difference in people’s lives worldwide through our high-end consulting, engineering and technology service offerings. In fiscal 2025, we worked on over 100,000 projects, in more than 100 countries on all seven continents, with more than 25,000 associates. We are Leading with Science® throughout our operations, with domain experts across multiple disciplines supported by our advanced analytics, artificial intelligence ("AI"), machine learning and digital technology solutions. Our ability to provide innovative and first-of-kind solutions is enhanced by partnerships with our forward-thinking clients. We embrace the breadth of experience across our talented workforce worldwide with a culture of innovation and entrepreneurship. We are disciplined in our business, and focused on delivering value to customers and high performance for our shareholders. In supporting our clients, we seek to add value and provide long-term sustainable consulting, engineering and tec hnology solutions.
Revenue and profit, by fiscal year.
| Fiscal year | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|---|
| Revenue | $3.0B | $3.2B | $3.5B | $4.5B | $5.2B | $5.4B |
| Net income | $173.9M | $232.8M | $263.1M | $273.4M | $333.4M | $247.7M |
| Free cash flow | $250.2M | $295.8M | $325.6M | $341.6M | $340.6M | $439.1M |
More on TTEK.
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Figures from Tetra Tech Inc's filings with the U.S. SEC, standardised automatically; prices are end-of-day closes. Not financial advice.