United Internet Media GmbH | 3,032 followers on LinkedIn. United Internet Media (UIM) ist der Mediavermarkter der United Internet AG. | United Internet Media is United Internet AG’s exclusive online media provider for the Group’s online and mobile platforms – WEB.DE, GMX, 1&1 and mail.com and our partner portals such as Das Telefonbuch, Das Örtliche and Gelbe Seiten. Our high-quality portals are genuine “Made in Germany” internet brands – high-traffic websites visited by 38,45 million German users as their access point to the online world. For Greater Digital Marketing Success Benefit from leading online and mobile coverage from a single provider – and reach all types of devices.