United Internet AG engages in the provision of telecommunication and information technology solutions, such as Internet, data processing, and other related products. It operates through the following segments: Consumer Access, Business Access, Consumer Applications, and Business Applications. The Consumer and Business Access segments comprise of broadband and mobile access products with the respective applications such as home networks, online storage, telephony and entertainment. The Consumer and Business Applications segments include ad-financed and fee-based subscriptions such as domains, home pages, webhosting and e-shops, personal information management applications, group work, online storage and office software. The company was founded by Ralph Dommermuth on January 29, 1998 and is headquartered in Montabaur, Germany.