New online casinos entering the UK market face a lot of stiff competition from the brands who have dominated the space for decades. Yet new casino sites such as Pub Casino, 7bet, and Lottoland are well capable of holding their own against the best casino sites . In this article, we rank the best new UK casino sites based on traits that are most sought-after by casino players – slot games, roulette, blackjack, welcome offers and mobile gaming. New Casinos UK Best For Why? Our Rating O’Reels Slots Regular game library updates with titles from all major providers 5/5 7Bet Roulette 62 different roulette variations across their live dealer casino 5/5 QuinnCasino Blackjack 41 total blackjack games – 19 live dealer tables plus 22 RNG variants 4/5 Lottoland Welcome Offer Bet £20, get 100 no-wagering free spins 4/5 Virgin Bet Casino App Highest-rated new casino app on Apple Store with 4.7 4/5 Our rankings may chop and change as new online casinos emerge, or if existing new casinos up their game with better welcome…