Among the companies we are currently actively using, one of the best-performing is CPX Research. We also do not experience any issues with payments, and we are satisfied with their service.
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CPX Research (as part of Make Opinion) offers a wide range of global survey projects to panelists. If you ever face any issues with one of the international research partners we cooperate with, please contact our team first! We're looking into every case and try to find the best solution together.
