United Internet AG, based in Germany, operates through four segments: Consumer Access, Business Access, Consumer Applications, and Business Applications. It offers fixed broadband and mobile services under the 1&1 brand, while providing fiber optic solutions for businesses through 1&1 Versatel. The company also delivers email and task management services via GMX, mail.com, and WEB.DE, and offers cloud solutions and web hosting for SMEs under the IONOS brand, expanding its global presence with various international brands.