GapFish is an ISO-certified panel provider located in Berlin. Our EntscheiderClub has more than 220,000 participants available with extensive segmentations in Germany, Austria and Switzerland. We guarantee the high quality of our panels through the use of, among other things, up-to-date participant profiles. We cooperate with Mediengruppe RTL Deutschland, SPIEGEL Group, Wakoopa, NetDoktor, the Austrian Gallup Institute and other renowned partners to offer a wide variety of special panels. Our cookie and tracking panels are the ideal tools for researching the effect of advertising and our mobile studies support, among other things, targeted research of user buying behavior and of the advertising that gets noticed. In addition, we offer a survey app that is individually tailored to your corporate design or to that of your customer.