United Internet AG, through its subsidiaries, operates as an Internet service provider worldwide. The company operates through Consumer Access, Business Access, Consumer Applications, and Business Applications segments. It offers landline-based broadband and mobile internet products, including home networks, online storage, telephony, and IPTV for private users; and telecommunication products ranging from fiber-optic direct connections to tailored ICT solutions, which include voice, data, and network solutions, as well as infrastructure services to national and international carriers and ISPs. The company also provides applications and services for home users, such as personal information management applications comprising email, to-do lists, appointments, and addresses; and online cloud storage, as well as domains and website solutions. In addition, it provides business applications for freelancers and small to medium enterprises, such as domains, websites, web hosting, servers, cloud solutions, e-shops, group work, online cloud storage, and office software. It offers its access products through the yourfone, smartmobile.de, 1&1, and 1&1 Versatel brands; and applications through GMX, mail.com, WEB.DE, home.pl, Arsys, STRATO, IONOS, Fasthosts, we22, InterNetX, united-domains, and World4You brand names. In addition, the company offers customers professional services in the fields of active domain management; performance-based advertising and sales services under the Sedo brand name; online advertising services under the United Internet Media brand name; and white-label website builder services under the we22 brand, as well as sells IT hardware. The company was incorporated in 1988 and is headquartered in Montabaur, Germany.