All mobile casino sites listed here are licensed by the UKGC, and you’re not going to find any casino without it on this website – No way, Jose! Privacy and security This provides players with confidence in the casino's legitimacy and fair gaming practices. Let’s start with licensing – The top-rated UK mobile casinos all hold valid UKGC licences. Here are the top factors we look for when evaluating the best mobile casinos. While there are thousands of online gaming sites available online, not all of them make the cut on the PlatinPlay best online mobile casino sites list. What makes mobile online casinos top rated?