A UKGC licence is the starting point, not the whole story. Check that RTP...

https://zoom-wiki.win/index.php/Why_Do_Withdrawals_Take_Several_Business_Days_on_Some_Casinos%3F

A UKGC licence is the starting point, not the whole story. Check that RTP figures are easy to find, withdrawals have clear timeframes, and responsible gambling tools are easy to access