GfK is the largest market research institute in Germany and operates several surveys panels in many European countries. It is represented in more than 100 countries around the world. The "Gesellschaft für Konsumforschung" is one of the oldest consumer research institutes in Germany. The GfK Group is the fourth largest market research company in the world.
Your country: UK
Reward types: Sweepstakes (to win cash & prizes) only
Incentives per survey: up to 1 GBP
Number of invites: about 30 surveys in a month
Age to join: from 16 years
Prize draws: Weekly prize draw including cash, exclusive experiences, and e-vouchers from retailers for all participants
Comments: Every day, you can rate the television or radio programs of the day before, giving a simple rating to the programs you have watched or listened for at least 5 minutes