Stagwell, a marketing and communications group, completed the acquisition of Goodstuff Communications, a full-service media planning and buying agency. Financial terms were not disclosed. "We welcome Goodstuff as a critical part of our strategy to create a truly global and competitive media operation. When we created Stagwell Media Network, we set out to build a collaborative and coherent network of global media agencies that are on the leading edge of media, data, and technology. The addition of Goodstuff with their unrivaled track record of innovation continues to deliver on our vision of transforming marketing," Mark Penn, Stagwell Chairman and CEO.