GREATwin is one of the many online casino and sportsbook brands of Radini N.V., which operates in the EU with a Curacao license and processes payments through the Cyprus-based payment agent Tilaros Limited. According to Similarweb data, almost 100% of GREATwin website visitors come from EU jurisdictions, with visitors from Germany and Italy accounting for almost 70%. PaymentIQ and Payabl are GREATwin's main payment facilitators. Here is our initial review.