GfK (slogan: English Growth from Knowledge) is a world-leading provider of data and analytics to the consumer goods industry. It is headquartered in Nuremberg, Germany.

TypeSocietas Europaea
IndustryMarket research
Founded1934 (1934)
HeadquartersNuremberg, Germany
Key people
Peter Feld (CEO)[1]

Lars Nordmark (CFO)

Thomas Ebeling (Chairman of the Supervisory Board)
Revenue€1.5 Billion (2014)
€52.4 million (2014)
OwnerKohlberg Kravis Roberts
Number of employees
8,000+ (2021)[2]

GfK was founded in 1934 as GfK-Nürnberg Gesellschaft für Konsumforschung e.V. The company’s founding management board included the future German Minister of Economic Affairs and Federal Chancellor Ludwig Erhard.

The GfK-Telemeter (also known as GfK-Meter) is a device to measure the TV ratings. It is deployed in a representative subset of households and registers the selected channel second by second (including the use of videotext and video recordering and replaying), while differentiating between registered users.