The GfK Verein was founded for the purpose of advancing market research. Today it does this through its cooperation with scientific institutions, its support of the training and further education of market researchers, the publication of studies and the GfK annual conference.
Members may be companies and in special cases, private persons. For the membership at GfK Verein a formal application is necessary. The annual membership fee is 500 € for companies and 150 € for private persons.