A UKGC licence is the baseline. Check RTP is shown, cashouts have clear...

https://direct-wiki.win/index.php/How_Do_I_Check_If_a_Casino_Has_a_Working_Search_Function%3F

A UKGC licence is the baseline. Check RTP is shown, cashouts have clear timeframes, and help is easy to reach. Useful tools include deposit caps, breaks and self-exclusion, with simple setup