Clemens Trautmann

Part of Vivendi SE, Deutsche Grammophon Gesellschaft mbH is a classical music company based in Berlin, Germany. The CEOs are Frank Briegmann, Clemens Trautmann. Deutsche Grammophon Gesellschaft mbH is the website for classical music, offering the latest recordings and news from DG and Archiv. The website also features biographies, concerts, and videos about artists, conductors, and composers. Customers can purchase music as a CD/DVD or download. The German company was founded in 1898.

Immowelt Hamburg GmbH engages in the digital marketing of real estate properties. It also provides consultancy services related to construction financing, property assessment, and housing construction planning. The company was founded in May 2003 and is headquartered in Hamburg, Germany.