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Learn how Tetra Tech is Leading with Science® and leveraging technology to provide sustainable solutions for communities around the world.

A man and a woman are holding a framed award certificate in a formal setting, with a decorative fireplace in the background.
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Kasia Wrzesinska wins the McBride Prize from the Energy Institute
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We are going to DPRTE 2023
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Tetra Tech completes acquisition of global professional services firm RPS Group
A Tetra Tech employee shaking hands with a Nepal resident - A man in casual clothing is shaking hands with a man in traditional attire, both sitting at the entrance of a rustic building.
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Progress Report – Nepal
Two people looking a tablet, with text that reads “AFBE-UK, Inspiring People of BME Origin in Engineering”
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We are now a member of The Association for Black and Minority Ethnic Engineers
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Tetra Tech reappointed to Cumbria County Council Framework
Clara Evans - A young female athlete with long hair tied back is looking off to the side, wearing a sports tank top.
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Clara Evans competing in the marathon at the Commonwealth Games in Birmingham
A detailed report showing gender pay gap statistics and the proportion of males and females in various quartile bands for Tetra Tech.
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Gender Pay Gap Reporting 2022
Logo for Tetra Tech indicating its status as a supplier for the Crown Commercial Service.
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Tetra Tech wins all six lots on £1.7 billion CCS framework
Headshot of Dr. Olivia Hall - A woman with short hair wearing a light blue shirt, smiling at the camera against a plain gray background.
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Tetra Tech expands European footprint with Ireland office
A distant view of an industrial complex with several smokestacks and structures, set against a clear blue sky and green fields.
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Tetra Tech reappointed to Sellafield Ltd Frameworks
A low-angle view of modern buildings with glass facades, featuring the logo of Hoare Lea, a Tetra Tech company, at the bottom.
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Tetra Tech expands High Performance Buildings Practice with acquisition of Hoare Lea
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