They also offer attractive rewards, unlimited withdrawals, and excellent customer support. Following the latest security protocols, they ensure the safety of all bettors. Under the watchful eye of auditors, independent online bookmakers work flawlessly. We only recommend reliable online bookmakers. Read how we rate bookies and how we determined the best sports betting sites in EU: Our rankings are compiled as a result of extensive research and testing. Therefore, we follow specific rules and principles to provide our readers with useful information. We always strive to provide high-quality content when reviewing sports betting operators. How Do We Rate European Betting Companies? How We Rate European Bookmakers For UK Players.