United Internet AG, through its subsidiaries, operates as an Internet service provider. It operates through four segment: Consumer Access, Business Access, Consumer Applications, and Business Applications. The company offers broadband and mobile access products, including home networks, online storage, telephony, video-on-demand, and IPTV; and data and network solutions for small and medium-sized enterprises, as well as infrastructure services for large corporations. It also provides ad-financed and fee-based application products for consumer and business customers, including domains, home pages, Web hosting, servers, and e-shops; personal information management applications, such as email, to-do lists, appointments, and addresses; and group works, online storage, and office software. The company offers its access products through the yourfone, smartmobile, 1&1, winSIM, maxim, simply, DeutschlandSIM, PremiumSIM, and 1&1 versatel brands; and applications through GMX, mail.com, WEB.DE, home.pl, Arsys, Strato, 1&1 IONOS, Fasthosts, InterNetX, united-domains, and World4You brand names. In addition, the company offers customers professional services in the field of active domain management under the Sedo brand; and free apps through advertising run through United Internet Media brand name. It has operations in Germany, France, the United Kingdom, Italy, the Netherlands, Austria, Poland, Switzerland, Spain, Canada, Mexico, and the United States. The company was founded in 1988 and is headquartered in Montabaur, Germany.