When choosing a UK casino with plenty of high RTP slot options, start by...

https://www.logo-bookmarks.win/when-choosing-a-uk-casino-with-high-rtp-slots-start-by-checking-the-game

When choosing a UK casino with plenty of high RTP slot options, start by checking the game library size and the software providers featured. Remember that RTP is a theoretical average, not a guarantee of wins