The world's fifth largest market research company, the GfK Group encompasses 115 subsidiaries that provide their clients with market data from 100 countries.  Eighty percent of the GfK Group's more than 9,000 employees are located outside of Germany. The business areas in which the GfK Group is active include:

Custom research

This business area revolves around providing solutions to operational and strategic marketing-related questions for virtually every branch of business and market type. Sources of information for this sector include specific consumer groups as well as the medical profession.

Retail and technology

Information on retail sales of technology-related consumer goods is gathered on a continual basis for this business area. Data on retail trade comprises this sector's primary source of information.

Media

This business area focuses on the delivery of customized research on the broadcast range, strength and use of television, radio, print and online media. The media is the main source of information for this sector.