Top 20 Online Casinos UK – The Ultimate List For British Players

Posted by: SlotsCalendar
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Our expert team of reviewers scours the entire galaxy of the internet in search of information and updates on the best online casinos UK, the best games for UK players and generally all the things that an UK player could ever be interested in. 

In order to be able to aggregate this list of the best 20 online casinos UK we went through heaps of data which was carefully collected over time and have analysed and taken into consideration the casino’s reputation, accessibility, quality of services, fairness, legality and safety, quality and diversity of games, payment methods for deposits and withdrawals and many more things. 

The result is this complete list of high-quality online casinos that accept UK players and we’ve only listed safe and legal gambling sites that are really worth their place in this top. 

So if you’re an UK player and want to know which are the best 20 online casinos UK stick around and find out! You can find out exactly why we think these are the best as well as what to consider when choosing an online casino. Bonus: you can also find an extensive FAQ with sincere answers to the questions that keep gambling enthusiasts up at night. So, let’s carry on, shall we?

Compare the Top 20 UK Online Casinos – Best UK Gambling Sites Listed

Casumo Casino

Casumo Casino was launched in 2012 and has three of the most coveted gambling licenses backing it up: Malta Gaming Authority, the UK Gambling Commission and the Swedish Gambling Authority. 

The mobile-friendly platform gives you access to more than 1350 online casino games, including slots, table games, jackpots and even live casino games from top game provider: Novomatic, WMS, Play ‘N Go, IGT, Thunderkick and many more. Their customer support team is online and ready to help 24/7 via live chat and email so that you can have a seamless casino experience. 

Foxy Bingo(Casino is Closed)

Launched in 2017, Foxy Bingo is a great online casino that has a wide variety of games. The Gibraltar Gaming Commission and UK Gambling Commission licensed website doesn’t just offer a couple of bingo games. 

They have over 800 online slot games from top software providers like Cozy Games, NetEnt, IGT, WMS, NextGen, Pragmatic Play and others, 13 bingo rooms with 90, 75 and 80 ball bingo games, plus rare 30 ball games, as well as Slingo, jackpots, table games, live casino and instant win games. 

888 Casino

888 Casino has been part of the gambling industry since 1997 and it has been a leading online casino site ever since. Is 888 Casino safe? 888 is pretty much the jackpot of safety and licenses as they have the highest number of licenses: the Gibraltar Regulatory Authority, AAMS Italy, the UK Gambling Commission and the Swedish Gambling Authority. 

888 casino has over 400 online casino games, including live casino games, slots, jackpots, slots races and table games from leading software providers like Leander Games, NextGen, IGT, NetEnt and Microgaming. They have professional support and great promotions, including no deposit free spins offers. 

PlayOJO Casino

Launched in 2017, PlayOJO is unlike most online casino sites because it offers three things that we rarely get to see in the gambling industry: a wage-free environment, an all-wins-paid-in cash guarantee and money back on every bet, whether you win or lose. 

Not long after its launch, PlayOJO received several major awards, including the EGR Rising Star Award and the Casino of the Year Award at the iGaming Awards. With over 2000 high-quality casino games from leading software providers and licenses from the United Kingdom Gambling Commission (UKGC), Malta Gaming Authority (MGA) and Denmark, it seems that PlayOJO can do no wrong. 

Karamba Casino

Karamba Casino is a colourful online casino launched in 2005 that will get you in the mood for playing and having fun right away thanks to its wonderful design and animations. The website has full accessibility and non-stop top-notch customer support. 

With more than 750 online casino games available and licenses from the Malta Gaming Authority, the UK Gambling Commission and the Swedish Gambling Authority, it’s ok to get excited. The online  casino offers slots, scratch cards, table games, live casino games, but also virtual sports and a sportsbook.

777 Casino

777 Casino is part of the well-known family of casinos from 888 Holdings Plc Casinos. Launched in 2015, it has become well-known because of the impressive amount of bonuses they constantly offer. 

Licensed and regulated by the Gibraltar Regulatory Authority and the UK Gambling Commission, they offer 24/7 customer support via email and phone and over 100 popular casino games, including slots, progressive jackpots, table games and live casino games.

Foxy Casino

Foxy Casino is a Gibraltar and UKGC licensed casino that’s been around since 2015. They have a lot to offer, including 24/7 customer support, many nice promotions and over 900 online casino games with a whole lot of variety so you will never get bored. You can try slots, exclusive slots, live casino games, table games, instant win and jackpot games.

Dream Vegas

Licensed by the UKGC, Sweden and Malta, Dream Vegas is the perfect online casino site for those that want a real Vegas experience. The online casino which was launched in 2018 will bring you a huge welcome package so that you can enjoy all their hundreds of amazing online casino games. 

Powered by Genesis, Leander, PlaynGo, Quickspin, Red Tiger, Thunderkick and Evolution Gaming, the casino has slots, card and table games, scratch cards and live casino games. Their poker selection is one of the best out there.

Dunder Casino 

Dunder Casino is special because it was launched by two Swedish casino enthusiasts who wanted to make a casino that they would love to play at and they definitely succeeded. It’s fast, fair and has plenty of games for players to enjoy. 

You will feel right at home at this Malta GA and UK Gambling Commission licensed casino. Since their launch in 2016, they’ve gathered over 1500 slots, table games and live casino games.

Ladbrokes Casino

Mainly known for its sportsbook, but with an equally impressive casino side, Ladbrokes has been a key player in the gambling world for two decades. An interesting array of promotions, licenses from Gibraltar and the UKGC, 24/7 customer support via live chat, email and phone and over 300 online casino games including slots, table games, live casino games, jackpots, video poker and scratchcard, are the things that make this gambling site worth it.

Casimba Casino

Casimba is truly a modern online casino site which will offer you great user experience thanks to its full accessibility across all devices, 24/7 customer support and amazing design. 

The online casino which was launched in 2017 has over 700 games, including slots, table games and live casino games, as well as an exceptional collection of scratchcards.

Rizk Casino

Rizk Casino has been a frontrunner and one of the most appreciated online casino sites since its launch in 2016. The Malta and UKGC licensed UK online casino has a huge number of epic promotions and over 1000 epic games from Netent, Microgaming, Play’N Go, and other great software providers. 

The live casino category is amazing as it offers roulette, deal or no deal, monopoly live, blackjack, dream catcher, texas hold’em, sic bo and baccarat and many other impressive games. And with promotions available for live dealer games you get to enjoy them even more..

Genesis Casino

Genesis Casino is a space-themed casino launched in 2018. Highly regulated by the Malta Gaming Authority (MGA), the United Kingdom Gambling Commission (UKGC) and Sweden, Genesis Casino brings you over 1300 online casino games. Prepare for an “intergalactic” experience as the customer support team can help you in English, Swedish, Finnish, Norwegian and German.


21Casino has been part of the gambling industry since 2015. This UK online casino is definitely special as it puts its own personal mark on everything. You’ll see that all their promotions are somehow related to the number 21 which is fun and unexpected.

They are licensed by the Malta Gaming Authority, the UK Gambling Commission and the Swedish Gambling Authority, and their highly professional customer support team is non-stop on call and knows a multitude of languages as you can contact them via live chat and email in English, German, Norwegian, Finnish or Swedish.

Their casino games selection includes slots, table games, live dealer games, jackpot games and more so there’s plenty of variety. 

Mansion Casino 

Launched all the way back in 2004, Mansion Casino has over 15 years of experience and it shows. They are definitely an established UK online casino site and you will see how obvious their experience is in everything they do. 

They offer many outstanding promotions, 24/7 fast and reliable customer support and a nice selection of slots, table games and live casino games from top software providers like Playtech, BetSoft, Red Tiger and Blueprint Gaming.

Cashmio Casino

Cashmio is a 2015 online casino site that knows how to get players interested. The Malta Gaming Authority and UK Gambling Commission licensed casinos will start players off with a 20 no deposit free spins sign up bonus to get the adrenaline pumping.

There are many other exciting things here, including their about 1500 slots, progressive jackpots and live casino games from Microgaming, Scientific Games, ELK and other top software providers. Also you can play most games in either demo mode or for real money. 

Slots Heaven 

Established in 2013, Slots Heaven is a fun place to be where you’ll be protected by their Gibraltar and UK license. The online casino has more than 300+ slots, jackpots, table games and live casino games to keep things fresh.

Their customer support is on call 24/7 and ready to help you have the best possible experience, but the best part about this UK casino is the fact that it has a great casino app you can use to play whenever and wherever you want.

All British Casino

Launched in 2013, All British Casino doesn’t stop at a UK license, they are definitely trying to make everything revolve around UK players as you will see as soon as you enter the website. Everything is done in blue, red and white and and there are also UK symbols all over. 

They make things even better by having over 1000 slots, table games, video poker, live casino, progressive jackpot games and more exciting games in their collection.


An online casino and a sportsbook since 2014, Mobilewins is a great choice for players that prefer playing on mobile devices. They’ve gathered over 600 online casino games from top software providers of the gambling industry like NetEnt, Microgaming, Thunderkick and NextGen. Their amazing collection includes slots, table games, live casino games, scratch cards and jackpot games.


Casilando has three of the most coveted licenses of the gambling industry: the UK GC, MGA and SGA. Since they were launched in 2017 this makes them a casino that’s right on the verge of still being new and already being an established casino, which is the sweet spot where you get both experience and novelty. 

The UK casino has over 1300 games and while most of them are slots, you can still find a decent number of live casino games, jackpots, table games and scratchcards.

How to Choose the Best UK Online Casinos

If you want to explore even more amazing UK online casino sites you need to know what to look for. Take a look at the impressive array of online casinos, read reviews to be able to compare them without having to go from casino to casino. We review a whole lot of online casinos every day so that you don’t have to waste any time. 

When looking for a UK online casino site that works for you there are several things you should take into consideration:

  • UK license
  • State of the art SSL encryption
  • 24/7 customer support
  • Huge variety of casino games
  • Many great promotions
  • Many payment methods
  • Mobile and user-friendliness

Each player is different so you could be interested in other things than other players so the key is to find what fits your needs. 

Best UK Online Casinos For the Best Online Casino Games

When picking the right casino it’s super important that you pick one that offers the games you really like. UK players usually go for slots and you will find slots at literally all online casino sites. While the software providers available may differ and the number of games might also differ, chances are that if you are into slots from top software providers you will be able to find them almost everywhere. 

To figure out which are the slots you enjoy the most, the ones that have the best payout percentages, type of volatility you like, bonus features you enjoy, graphics and themes that excite you and more, make sure you try them in demo mode as free slots. This way you’ll find out about the most popular and the newest slots and know what to search for at casinos.

UK players also enjoy table games (baccarat, blackjack, roulette), live casino games, poker, video poker and bingo. If you find a UK online casino site that has all these options you’re in for a great time.

UK Online Casinos No Deposit Bonuses – to Claim or Not to Claim?

Even better than amazing casinos are online casino no deposit bonuses. If you find a good offer that’s also free you shouldn’t skip it. But that means that you need to know to differentiate between a good no deposit bonus and one that’s not so good. In order to do this, you need to practice responsible gambling and always read the full terms and conditions. 

In the terms and conditions, you will find all the information you need to be able to decide if a no deposit bonus is worth it or not. Look for these things:

  • Wagering requirements
  • Max cashout
  • Minimum deposit (lack of here)
  • Available games with the promotion
  • Max bet

If you can find a no deposit bonus, either free spins no deposit or no deposit free cash, that has no wagering requirements or no max cashout then you’ve just hit the jackpot. They are pretty rare so don’t miss the opportunity. 

Anyway, the lower the wagering requirements, the higher the cashout cap and the more games are available, the better the no deposit bonus is.

How to Make an Online Casino Deposit – Top Payment Methods

UK players are super lucky when it comes to payment methods and making deposits and withdrawals because they have a lot more options than players from other countries. While the classic credit/debit cards, e-wallets and bank transfers apply to most GEOs, UK players also have the possibility to use pay by phone methods like Zimpler, Boku, Payforit, Fonix and Apple Pay. 

These pay by phone options are much quicker and easier to do as well as very safe, so using them will be a breeze. Keep in mind that most pay by mobile methods work only for deposits so you will need to pick a different option for withdrawals. 

Make sure you go through the verification process as soon as you make an account at a new online casino site so that when you get to withdrawals you’ve already been verified and have set your preferred payment methods and can finish the withdrawal with no problems and as soon as possible.

UK Online Casinos FAQ

Are the top 20 UK online casinos on this page really the best?

We’ve done our research and decided on these 20 casinos based on reputation, players’ opinion, overall quality of services, game diversity, software providers available, payment methods, promotions, mobile accessibility and many other factors. This is the legit result, unbiased and unaffected by our personal opinions and any financial gain or loss.

What is the very best UK online casino in 2020? 

This is something that every player needs to decide for himself/herself. There is no absolute answer because a casino that might be very right for a player can be quite wrong for another. Pick from the 20 UK online casinos the one that fits your needs and everything should be perfect.

Do online casinos pay real money?

Yes. All fair and legal online casinos will pay real money if you win. Assuming that you didn’t try to cheat so that the online casino site would have a legitimate reason to cancel your winnings and account, you should be able to cash out all your winnings with no problems.

Do online casinos cheat? How can I know an online casino is safe and the games are not rigged?

Look for the UK online casinos’ licenses, SSL encryption and if they are tested by an independent entity like eCOGRA for example. Since they are tested the games are in perfect shape and the RNG cannot be rigged. The SSL encryption protects your personal and financial data so it’s safe. We don’t aggregate online casinos that are proven to be scams, so if you found it here it should be perfectly fine, just check that it works in your jurisdiction. Practice responsible gambling always and the only thing you’ll need is luck.