OS Data Solutions is the Premium Data Provider for Digital Marketing in Germany. The joint venture of the Otto Group and Ströer Group based in Hamburg was founded in June 2019, as one of the largest German data pools, combining Stroeer's Digital reach with the high-quality intent Data from Otto Group. With more than 37 million logins, OS Data Solutions offers advertisers high-reach data products and as well as premium targeting segments for display, mobile and video campaigns.