UK online casinos operate under strict UK Gambling Commission rules that set...

https://list-wiki.win/index.php/What_Are_the_Biggest_Reasons_UK_Players_Switch_Casinos%3F

UK online casinos operate under strict UK Gambling Commission rules that set clear standards for fairness and security. For example, games often have a 96% return to player rate, meaning operators balance player wins with their own margins