Tetra Tech (NASDAQ:TTEK) to Buy RPS Group, Bolsters Environmental Management Capabilities Engineering services and consulting company Tetra Tech (NASDAQ:TTEK) is set to acquire leading European professional services firm RPS Group in a move that will further strengthen TTEK’s footing in the domain of renewable energy, environmental management, and data analytics. The 222 pence per share transaction is expected to close by the end of this year. The deal will be accretive to TTEK’s earnings per share by mid-to high-teens percent about 12 months after the deal closes. The acquisition will bring on board 5,000 RPS associates from Europe, the United Kingdom, Asia Pacific, and North America to establish a top-of-the-game consultancy in water, environment, sustainable infrastructure, and energy transformation operating globally.