RTC Partners-backed Verdantas, a private-equity-backed solution provider of engineering, planning, and science services, completed the acquisition of Leighton, an environmental consulting firm. Financial terms were not disclosed. “Leighton joining Verdantas marks a strategic inflection point in our ability to expand our service offerings to clients and extend our geographic reach. We are thrilled to have Leighton and their reputation of bringing the best and brightest people to each of their client’s projects. This commitment to excellent work for clients and Leighton’s efforts to capitalize on a collaborative environment fits well into Verdantas’ intentional people-focused approach,” Gerry Salontai, Verdantas CEO.