Riverside-backed Impact XM completed the acquisition of Shelton Fleming.

Riverside-backed Impact XM, a global experiential marketing agency, completed the acquisition of Shelton Fleming, a London-based agency. Financial terms were not disclosed. "This acquisition is a key step in building a truly global platform for immersive, high-impact brand experiences. With the addition of Shelton Fleming, we are enhancing our ability to support clients with 24/7 global service, consistent execution across markets, and deeper integration of strategy, creative, and technology," Jared Pollacco, Impact XM CEO.