Widespace AB operates Summit, a digital programmatic ad platform and marketplace to deliver branding campaigns on mobile. The company offers inventory marketplace, formats and ad-serving, data marketplace, and reporting solutions. It offers a range of services to media buyers and publishers in relation to their purchases and sales of advertising inventory. Widespace AB was founded in 2007 and is headquartered in Stockholm, Sweden with additional offices in Amsterdam, the Netherlands; Copenhagen, Denmark; Helsinki, Finland; London, United Kingdom; Milan, Italy; Warsaw, Poland; Oslo, Norway; Paris, France; and Stockholm, Sweden. As of July 18, 2018, Widespace AB operates as a subsidiary of Sellbranch AB.