APG SGA S.A. specializes in the management and marketing of outdoor advertising spaces. The company's offerings include classic analog posters, digital screens, transit advertising, and mobile targeting solutions. It operates through various formats such as eboards, epanels, megaposters, and traffic media screens. APG SGA collaborates with transport networks, municipalities, and private property owners to secure prime advertising locations. While its primary market is Switzerland, where it holds a dominant market share, the company also maintains operations in Serbia through its subsidiary Alma Quattro. The firm was formerly known as Affichage Holding AG before rebranding to APG SGA in 2012 to consolidate its Swiss market presence.
