Tetra Tech completed the acquisition of RPS Group for £636m.

Tetra Tech, a provider of high-end consulting and engineering services, completed the acquisition of RPS Group, a global professional services firm of consultants and service providers, for £636m. "The RPS Group advances our long-term strategy to enhance our position as the premier global high-end consultancy in water, environment, sustainable infrastructure and energy transformation. We welcome the RPS Group's associates to join us and collectively leverage our long-term client relationships and project experience. As a global consultancy with a commitment to high-end solutions, we can offer our expanded team of associates even greater professional opportunities," Dan Batrack, Tetra Tech Chairman and CEO. On September 23, 2022, RPS Group withdrew its recommendation of WSP Global's offer and agreed to the superior offer from Tetra Tech. On October 19, 2022, WSP decided to withdraw its offer.