GfK
large market research institute

GfK (originally GfK-Nürnberg Gesellschaft für Konsumforschung e.V., 'Nuremberg Society for Consumer Research') is a German market research company that provides data and intelligence to the consumer goods industry. It is headquartered in Nuremberg and is a subsidiary of NIQ.
History
GfK was founded as GfK-Nürnberg Gesellschaft für Konsumforschung e. V. in 1934 by university lecturers from Nuremberg, among them the future German Minister of Economic Affairs and Federal Chancellor Ludwig Erhard. The concept was developed by co-founder Wilhelm Vershofen.
Initially, the association conducted 71 different studies, including:
Awareness of trademarks
Personal care and soap consumption in Germany
Structure of beverage consumption in Germany
Patient and pharmaceuticals
Motorist assessment of road maps from fuel companies
After the war, GfK’s activities from 1934 to 1945 were investigated by the American occupying powers. Following this investigation, GfK received a license to continue its activities in 1947.
In 1984, commercial activities were spun off into GfK GmbH, which was renamed GfK AG on January 23, 1990. At that time, the “GfK Association” was limited to promoting market and sales research.
In 2010, the company was the world's fourth-largest market research company by revenue.
In December 2016, the American private equity firm Kohlberg Kravis Roberts (KKR) made a takeover bid for 18.54 percent of the company's shares.
Begin with the source’s own compact description: “GfK” is large market research institute. The dossier treats that line as a proposition to test through large, market and research, not as a finished interpretation.
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The phrase “large market research institute” supplies a clear boundary for inquiry. It also exposes the unanswered questions: who defined that boundary, when it became stable and which sources sit outside it.
Named sources, stable identifiers and responsible institutions provide the strongest route from overview to verifiable evidence. The source revision retrieved here is dated Jul 31, 2026. The linked authority identifier is Q701088. VIAF identifies the subject as 134286431. The Library of Congress control number is no2010150901. 1 of 4 selected statements include explicit references; 1 carry qualifiers and 0 use preferred rank. The first chronological checks are 1934, 1945, 1947 and 1984.
The absence of detail may reflect summary conventions rather than a lack of surviving documentation. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.
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This entry incorporates text from “GfK” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.