GfK Entertainment is the provider of weekly Top 100 single and album charts, as well as various other chart formats for genres like compilations, jazz, classical music, schlager, hip hop, dance, comedy, and music videos.

[6][7] Furthermore, GfK Entertainment also runs a dedicated website providing chart-related news and access to most of the charts.

[2] For this purpose, different research institutes were tested, out of which Media Control, based in Baden-Baden, was selected.

[10] Digital-only releases came into existence on 13 July 2007, for online downloads only, which also altered the way the sales figures were conducted up to that point.

[2] The weekly sales data is transmitted to GfK Entertainment via communication network channel, PhonoNet.