PASADENA, Calif.--(BUSINESS WIRE)--Jan. 15, 2026-- Tetra Tech, Inc. (NASDAQ: TTEK), a leading provider of high-end consulting and engineering services in water, environment, and sustainable infrastructure, announced today that it has signed a definitive agreement to acquire Providence Consulting Group Pty Ltd (Providence), an advisory and project management consultancy based in Australia.

Providence brings an exceptional team with a strong record of advisory consulting services supporting defense agencies in resilient planning and sustainment. Their specialists have deep expertise in program delivery, systems engineering, and protective security. This acquisition further expands Tetra Tech’s global advisory consulting services by adding highly complementary defense and mission support services to our existing advisory services in large scale water, energy, and infrastructure program development.

“Tetra Tech’s extensive advisory expertise and advanced technology solutions support our clients in effectively and efficiently planning complex programs,” said Dan Batrack, Tetra Tech CEO. “The addition of Providence will further advance Tetra Tech’s expertise in advisory program delivery, while expanding our client base in the Australian defense sector to help customers to support mission readiness and strengthen resilient infrastructure.”

Adash Janiszewski, Providence CEO, said, “Providence has built its reputation on talented people helping government clients deliver strategic capability and operational outcomes—through an emphasis on risk-led governance, practical delivery, and a values-based approach to collaborative client relationships. Joining Tetra Tech gives our people access to an amazing range of expertise and opportunities and allows Providence to expand its support of Australian Defence across the Asia-Pacific region.”

Providence is joining the Commercial/International Business Group. The acquisition will be subject to the satisfaction of customary closing conditions.

About Tetra Tech

Tetra Tech is the leader in water, environment, and sustainable infrastructure, providing high-end consulting and engineering services for projects worldwide. With more than 25,000 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, and design sustainable and resilient infrastructure. For more information about Tetra Tech, please visit tetratech.com or follow us on LinkedIn and Facebook.

About Providence

Providence Consulting Group Pty Ltd (Providence) is an advisory and project management consultancy based in Australia. Providence specializes in program delivery, systems engineering, and protective security for defence, government, and industry clients.

Any statements made in this release that are not based on historical fact are forward-looking statements. Any forward-looking statements made in this release represent management’s best judgment as to what may occur in the future. However, Tetra Tech’s actual outcome and results are not guaranteed and are subject to certain risks, uncertainties and assumptions ("Future Factors"), and may differ materially from what is expressed. For a description of Future Factors that could cause actual results to differ materially from such forward-looking statements, see the discussion under the section "Risk Factors" included in the Company’s Form 10-K and Form 10-Q filings with the Securities and Exchange Commission.

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Jim Wu, Investor Relations
Charlie MacPherson, Media & Public Relations
(626) 470-2844

Source: Tetra Tech, Inc.