UK online casinos operate under strict rules set by the UK Gambling Commission,...

https://ericksuniquedigests.trexgame.net/what-are-the-main-revenue-streams-for-a-uk-online-casino-besides-the-house-edge

UK online casinos operate under strict rules set by the UK Gambling Commission, including guidelines on payout percentages and fairness. For example, many games offer a minimum 96% Return to Player (RTP) rate