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Compare our reviews of the newest and best online casinos in the UK.

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Reviews to rely on

CasinoSitesOnline.co.uk has reviewed the casino experience at hundreds of UK websites to create a list of the very best in 2021.

Compare our casinos

All sites listed on our website are fully licensed by the UK Gambling Commission and are player first and player-friendly. Find out where is the best place to make your bets and who is offering the biggest bonuses.

🎁  BOOSTED 30 free spins (with no wagering requirement) on your first deposit.

💳  Five payment methods and same-day withdrawals.

🎰  1000+ games.

✅  New and improving casino.

 

18+ BeGambleAware.org

🎁  100% up to £200 on your first deposit, plus 11 free spins.

💳  Twenty-six payment methods and same-day withdrawals.

🎰  4500+ games.

💻  Excellent casino for laptop users.

 

18+ BeGambleAware.org

🎁  Up to 500 free spins on your first deposit.

💳  Eleven payment methods and 1 to 4-day withdrawals.

🎰  1000+ games.

⚽  Sports betting and casino.

 

18+ BeGambleAware.org

🎁  Up to £100 deposit bonus plus 100 free spins across your first four deposits.

💳  Six payment methods and 2-day withdrawals.

🎰  900+ games.

✅  Flashy, new casino.

 

18+ BeGambleAware.org

🎁  EXCLUSIVE 100% up to £30 plus 50 free spins on your first deposit.

💳  Six payment methods and fees on withdrawals.

🎰  900+ games.

✅  Secure casino.

 

18+ BeGambleAware.org

🎁  EXCLUSIVE 100% up to £30 plus 50 free spins on your first deposit.

💳  Six payment methods and fees on withdrawals.

🎰  900+ games.

✅  Secure casino.

 

18+ BeGambleAware.org

🎁  EXCLUSIVE 100% up to £30 plus 50 free spins on your first deposit.

💳  Six payment methods and fees on withdrawals.

🎰  900+ games.

✅  Secure casino.

 

18+ BeGambleAware.org

🎁  No current deposit bonuses.

💳  Six payment methods and 3 to 5-day withdrawals.

🎰  300+ games.

✅  New casino.

 

18+ BeGambleAware.org

Online Casino Site Games

  • Online Slots

    Slots are a UK favourite for playing online. With a simple format and features, these colourful casino games offer a fun and entertaining gaming experience. They are found in the online casinos under their own category ‘Slots’.

    The number of online slot machines has increased in recent years. From the original three-reel slots to modern games with special features and multiple winning opportunities.

    Playing online slots is as simple as clicking the spin button then letting the game do the rest. All wins are down to chance.

  • Online Roulette

    Like original slots, online roulette is a familiar favourite for online casino players. To play, just guess where the ball will land and win big! Simple yet fun and enjoyable. The game is available to play at all online casinos. Roulette retains its original charm in the online version, however, you like to play it.

  • Online Blackjack

    Players agree that chasing 21 is just as exciting at an online casino. Compete with the dealer at blackjack in one of the greatest casino table games of all time.

  • Starburst Slot by NetEnt

    The incredible Starburst slot by NetEnt has 3 rows and 5 reels. It features bright colours, high-quality gameplay and big win potential. Players that are looking for high intensity will love Starburst. 

    It has Expanding Wilds, Re-Spins and the ability to win both ways. Players are able to claim Starburst free spins with no deposit required at numerous casino sites. It is no surprise that the 10 pay line Starburst slot has maintained its position amongst the top UK slots.

  • Rainbow Riches Slot by Scientific Games

    Rainbow Riches is one of the most popular UK slot machine games of all time. Most players see it as the pinnacle of what other slot games aspire to be. A longstanding masterpiece by Scientific Games there is big jackpots waiting for players on its 5 reels. 

    The bright and colourful slot features a massive rainbow with leprechauns and four-leaf clovers. Look out for the symbols, letters and numbers in a variety of colours hidden on the reels.

  • Book of Dead Slot by Play'n GO

    Players can enjoy travelling back to ancient Egypt in the cryptic slot game by Play’n GO, Book of Dead. The online slot has 5 reels and 10 pay lines. We see the Indiana Jones lookalike, Rich Wilde, journey into the mysterious Egyptian temple journey to find the famous text.

    Players can enjoy the fantastic high definition animations and silky graphics across mobile and desktop platforms. Land three or more books scattered between the reel positions to achieve the free rounds bonus feature. 

    PlayOJO currently offers 50 free spins on the Book of Dead slot when you make your first deposit.

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FAQs

  • What are the best online casino sites?

    CasinoSitesOnline.co.uk feature the best online casino sites in the UK. Considered are the bonuses, customer service, games and more. This determines which casino sites are the best.

    Which casino site is the best also comes down to personal preference – what games do you want to play? Which welcome bonus appeals to you?

  • How to get free spins on a casino site?

    Free spins are included in welcome bonuses for new players signing up to casino sites. Casino Sites Online feature the casinos that offer free spins in their welcome bonus and how many spins they offer. We also advise where existing player free spins are available in our blog articles and email newsletters.

  • How do casino sites send your winnings?

    Your winnings will be collected in your account. When you want to withdraw your winnings you should go to your account and select withdraw. Casino sites will send your winnings by bank transfer to the same method you used to deposit. This is unless you specified an alternative method.

  • How to avoid casino scam sites?

    Every casino site listed at Casino Sites Online is fully licensed and regulated by the UK Gambling Commission. Check that an online casino has a gambling license from the UKGC. If they do not it is likely a scam.

  • How can I win online slots?

    There are hundreds of different online slot games, each with a slightly different win condition. Players should fully understand how to win each slot game before playing. Winning the majority of slot games involves lining up the same number or symbol across the spinning reels.

  • Which online casino has the best payouts?

    The payout rate of each game is shown at regulated online casinos in the UK. Go to the game information or help file and search for the RTP. This is the return to player percentage. The higher the percentage, the bigger the payout rate of the casino game.

  • Is online gambling legal in the UK?

    Yes, online gambling is legal in the UK. It is regulated by the UK Gambling Commission. All online casino sites operating in the UK must obtain a gambling license from the UK Gambling Commission. This is the only way they can legally provide classic casino games such as slots and card games to UK players.

  • Is gambling tax-free in the UK?

    Yes, gambling is tax-free in the UK. This is not the case in every country but UK gamblers have the joy of keeping all of their winnings.