Dar, a renowned international multidisciplinary consultancy, completed the acquisition of a majority stake in Su-Yapı, an engineering consulting firm. Financial terms were not disclosed. “The addition of Su-Yapı to our family of brands supports our strategy for growth in key sectors and regions. We share a common mission to serve communities and deliver complex multidisciplinary iconic projects which create long-term social value,” Talal Shair, Dar Group Chairman and CEO.