Top 20 Online Casinos UK – View 20 best online casinos for UK slots players

Top 20 Online Casinos UK - View best online casinos UK

With the online casino world busier than ever before, we’ve made it easier for Brits to play slots and games with our very own top 20 online casinos UK. Browse through the following selection of our top 20 best online casinos to see who we’ve chosen.

    New platforms with a UK Gambling Commission license are popping up all over. But with so many options, how do British players distinguish top online casinos in UK from the average?

    This compelled us to select our top 20 online casinos UK from our list of best online casino reviews UK. All our chosen casino sites have the basics in place – plenty of slots & games from good providers, strong security, support for desktop and mobile devices etc.

    But the top 20 slots UK sites offer more. We’ve selected every top 20 online casino site here for a reason. Below, we explain exactly why we think they are one of the top 20 UK casinos currently. Are you sitting comfortably?

    1. MrQ Casino

    MrQ - Top 20 online casino UK

    MrQ is extremely popular with British players and tops our list of top 20 online casinos UK. They’ve really developed their library of slots and casino games – most recently by expanding their live casino tables in February 2022. They are a top PayPal casino at the moment too which is a big positive as PayPal is very popular with British players.

    Why MrQ Casino? – We’ve managed to get an exclusive first deposit offer to get you off on the right track. There isn’t any wagering requirements either – so anything you win will be paid as cash.

    Read our MrQ Casino review for more.


    NetBet - Top 20 slots UK site

    The next of our top 20 online casinos UK is They have been around for many years and offer a range of features – such as 1000+ slots and games, withdrawals as low as £5, and a range of payment methods. We also have an exclusive casino deposit bonus for our UK readers only.

    Why – Alongside slots and casino games, you can also bet on lotteries from around the world – not just the UK. No other site offers this kind of gambling entertainment.

    Read our review for more.

    3. Duelz Casino

    Duelz - Top 20 slots UK site

    Duelz Casino launched in the UK during May 2021 and they’ve made a big impression ever since. They have some unique features that no other casinos offer – such as being able to compete in slot battles against other players for prizes. There are plenty of slots games you can play too, with more being added regularly. This made Duelz an easy inclusion into this top 20 slots UK sites list.

    Why Duelz Casino? – Duelz Casino is the definition of a fast payout casino UK. We received our money from Duelz less than 5 minutes after we requested it which is incredibly quick.

    Read our Duelz Casino review for more.

    4. PokerStars Casino

    PokerStars - Top 20 online casino UK

    PokerStars Casino have improved massively in recent years – with loads of slots and games added. They also offer poker and sportsbook for the complete gambling platform. New British players can get a bonus with no wagering too – where anything you win is paid as real money. We’ve chosen them as a top no wagering casino for UK players at the moment because of this.

    Why PokerStars Casino? – Play 1000+ slots and games here – including a few exclusive titles – making them a nice addition to our current 20 best online casinos UK.

    Read our PokerStars Casino review for more.

    5. Betfair Casino

    Betfair - Top 20 gambling site

    They’ve been one of the top 20 online betting sites for years. But Betfair wasn’t always considered to be a clear entry into a top 20 online casinos UK list. That’s now changed – with loads of slots and casino games added over the years. Enjoy a batch of free spins no deposit when signing up as a new UK player to play their slots games.

    Why Betfair Casino? – There is no minimum withdrawal amount at Betfair for some payment methods. This means you can withdraw as little as 1p (£0.01). This is a very rare feature.

    Read our Betfair Casino review for more.

    6. Paddy Power

    Paddy Power - Top 20 gambling site

    One of the UK’s top 20 online betting sites is also one of the top 20 UK casinos in our view. They’ve expanded their casino platform considerably over the past few years, offering a wide range of top games from popular providers. They have many promotions for existing players too that you can take advantage of.

    Why Paddy Power? – They became an instant bank transfer casino UK during September 2022. You can now deposit and withdraw using your bank account much quicker than before.

    Read our Paddy Power Games review for more.

    7. Pink Casino

    Pink Casino review banner

    A recent addition to our complete UK online casinos list – but they’ve entered our top 20 UK casinos straight away thanks to their quality platform. You can play more than 2500+ slots and games at Pink Casino – with exclusive games made just for their players.

    Why Pink Casino? – Get a nice welcome bonus and follow it up with plenty of promotions for existing players if you continue to play.

    Read our Pink Casino review for more.

    8. Dr Slot Casino

    Dr Slot - Top 20 UK online casino

    Another site that’s good enough to be one of our top 20 online casinos UK is Dr Slot. They happen to be one of the few pay by phone casinos available in the UK with low minimum deposits. Their casino welcome bonus UK is pretty big so you can get a lot of extra bonus money on your first deposit if you want.

    Why Dr Slot Casino? – They have their own unique slots games that can’t be played anywhere else. This is a really nice feature that very few other sites can offer you.

    Read our Dr Slot Casino review for more.

    9. Casumo Casino

    Casumo - Top 20 online casino UK

    Casumo completely revolutionised online casino in 2012, with players embarking on a journey in order to get casino rewards. They’ve received multiple awards for their efforts over the years – but they’re constantly making upgrades to this day too. So they are still going strong as one of our top 20 slots sites UK.

    Why Casumo Casino? – They introduced £5 deposits during 2022 which is a rare and useful feature. It’s a great example of this 10+ year old platform continuing to improve.

    Read our Casumo Casino review for more.

    10. Playzee Casino

    PlayZee Casino review banner

    Playzee Casino is a good addition to our top 20 online casinos UK list due to the number of games they offer. Play all the classic entertainment – slots, roulette, blackjack, live tables etc – with more than 1000 games to choose from overall to make this one of the best British gambling sites as a whole.

    Why Playzee Casino? – They offer a deposit 20 get bonus which means you can get some extra bonus money when making a deposit.

    Read our Playzee Casino review for more.

    11. 888 Casino

    888 Casino - Top 20 online casino UK

    888 Casino has been around for many years – but they offer a wide selection of games and other features to justify being in this list. They have a decent bonus for new players, a variety of promotions for existing players, and good customer support.

    Why 888 Casino? – 888 Casino is a possible no verification casino UK which means they try to automatically verify your identity as soon as you sign up. If this is successful then you can start to play straight away.

    Read our 888 Casino review for more.

    12. 777 Casino

    777 - Top 20 online casino UK

    777 give out a big batch of free spins for new UK players. This means you’ll be able to play their slots many times without using your own money to bet. The spins can also be used to play 777’s exclusive in-house slots too. This means you’ll be able to play something a bit different than at other British casinos.

    Why 777 Casino? – They have a great overall casino platform with years of experience behind the scenes, which paved the way for their entry into our top 20 UK casinos!

    Read our 777 Casino review for more.

    13. LeoVegas Casino

    LeoVegas - Top 20 online casino UK

    LeoVegas has been a fantastic site for UK players for many years. Making them an easy addition to our top 20 online casinos UK. They pioneered the idea of mobile casino and led the way for the rest to follow on smartphones and tablets. We consider them one of the top 20 casinos in the world online.

    Why LeoVegas Casino? – LeoVegas have exclusive slots that can only be played on their site – so you can guarantee something new and different to play.

    Read our LeoVegas Casino review for more.

    14. William Hill Casino

    William Hill - Top 20 gambling site

    Being one of the top 20 UK betting sites, you couldn’t really have a 20 best UK online casinos selection without William Hill Casino, right? Well, to be honest, we aren’t interested in what fits the bill aesthetically – it’s all about casino for us. Luckily, William Hill have made major upgrades to their slots play recently which has improved the experience considerably.

    Why William Hill Casino? – They are a Visa fast withdrawal casino which means you can enjoy quick payouts to eligible Visa cards.

    Read our William Hill Casino review for more.

    15. PlayOJO Casino

    PlayOJO - Top 20 casino UK

    Known as “The Fair Casino”, PlayOJO have seen their popularity explode after they got rid of playthrough requirements once and for all. This means you will always be paid anything you win from a bonus as real cash straight away.

    Why PlayOJO Casino? – You can activate bonuses using e-wallets such as PayPal – which many other sites don’t allow.

    Read our PlayOJO review for more.

    16. Unibet Casino

    Unibet - Top 20 online casino UK

    Another of the 20 best UK casinos is the well-known Unibet. They know what UK players want too with games like Slingo and scratch cards available which are popular with British players. You can browse through Unibet’s vast selection of titles – including slots, roulette, blackjack, and more – to find what you want to play at this best British online casino. They’re a solid platform all over, being one of our picks for top 20 casinos in the world.

    Why Unibet Casino? – You can deposit 10 get bonus at Unibet, giving you more to play with when you get started.

    Read our Unibet Casino review for more.

    17. Bonus Boss Casino

    Bonus Boss - Top 20 online casino UK

    The Bonus Boss Casino provides unique slots and casino games that can’t be played at any other site. You can spin away on something new nearly every month too, as that’s the average time it takes for a new game to be released. They regularly give out extra bonuses for existing players to enjoy these special games.

    Why Bonus Boss Casino? – Being a £5 PayPal deposit casino, you can play here with as little as a fiver using one of Great Britain’s most popular payment methods.

    Read our Bonus Boss Casino review for more.

    18. Yeti Casino

    Yeti - Top 20 casino site

    Not all of the top 20 online casinos UK are some that you’d expect, but they’ve all been included on pure merit! Take Yeti, for example – a gambling site which doesn’t take itself too seriously, hence the name! You’ll find the same quality slot providers though, with regular promotions to see you through.

    Why Yeti Casino? – Get things off to a great start with no deposit Starburst free spins.

    Read our Yeti Casino review for more.

    19. Mr Green Casino

    Mr Green - Top 20 online casino UK

    One of the UK’s most popular sites, so they had to make their way onto our list of best British online casinos in our view. They offer a wide range of top quality games from popular providers, and they continue to improve their platform for players – despite being around for several years. You can get free spins on card registration too.

    Why Mr Green Casino? – They have their own exclusive slots made just for them, so you can play unique games here. A selection for one of the top 20 casinos in the world online.

    Read our Mr Green Casino review for more.

    20. NetBet Casino

    NetBet Casino - Good Top 20 slots UK site

    We’re careful about adding older sites to this 20 best online casinos UK collection just for the sake of it. But NetBet Casino more than meets the requirements. There are loads of slots and other games available like roulette and blackjack, with more being added regularly. These games are provided by the most popular developers in the UK too. This makes them an easy addition to our top 20 online casinos UK list.

    Why NetBet Casino? – If you ever get stuck then you can contact NetBet’s customer support team on a 24/7 basis – including via WhatsApp which is useful.

    Read our NetBet Casino review for more.


    At the moment, we think the best casino online in the UK is MrQ Casino. We think they are the best because of their no wagering, fast payouts, and other features. They have topped our online casino top 20 list because of this.
    We look at many things when deciding who makes our list of top 20 online casinos UK and in what order. Here are some of the things we like:

    • Range of popular UK payment options
    • Fast withdrawal speeds
    • Good overall number of games
    • Partnerships with top online slots UK providers – like Playtech, Microgaming, NetEnt, Yggdrasil, Play’n GO, Evolution, Quickspin and more.
    • Fair and fun bonuses
    • Good feedback from our readers
    There’s no specific date. But we update the casinos here regularly so that we’re always recommending the top online casinos in UK at the moment.
    All of our top 20 casino sites have been picked for a reason. We explain exactly why each casino has been picked on this page.
    Yes – but only if they’re good enough. We don’t just add sites to our top 20 best online casinos because they’re new and different. They’ve got to offer the best features. At the moment, you’ll find a few of the latest casinos have been included.
    The best way to suggest a site for our list is to leave a comment on the casino’s review. The opinion of our readers helps us to decide our 20 best UK online casinos. So telling us why you think a site is one of the top online casinos UK you’ve played at gives us a good indication.