UK’s TOP Online Casino Sites

Check out Mary’s selections for the best UK online casinos. This online casino list is tailored to meet the very best standards of the picky British gambler and only highlights the UK’s top casino sites.

Winomania Casino logo
4.5 / 5
Read review

100% up to £100 + 100 Bonus Spins

An in-depth review of Winomania Casino Get insights and find out if Winomania is the right UK online casino for you.

Visit SiteVisit Site
Terms & conditions apply
1st deposit only | min deposit £10 | max bet with bonus £2 | max bonus £100 | X40 wagering | bonus spins valid for selected games only | X40 wagering on bonus spins winnings | expires within 24 Hours | User Agreement & Bonus T&C apply.
LeoVegas Casino
4.4 / 5
Read review

50 Free Spins on Big Bass Splash & up To £100

LeoVegas is the king of the casino world. He's been ruling for years and shows no signs of slowing down.

Visit SiteVisit Site
Terms & conditions apply
Full T&Cs apply. New reg only. Opt in & deposit £10, £25 or £50 within 7 days & further 7 days to wager cash stakes 35x to unlock reward (£50 on 2 deposits). 3 day exp. Wagering/game contributions vary. 25 wager-free spins x10p to added to Big Bass Splash with each qualifying deposit, 3 day expiry. 18+
Videoslots Casino logo
4 / 5
Read review

100% up to £200 Bonus

This UK casino is bursting at the seams with fun and excitement and has many advantages. Read the Videoslots Casino review!

Betway Casino UK logo
4 / 5
Read review

100% Match Bonus up to £50

If you are looking for an online casino that offers excellent customer service and a range of games, look no further than Betway Casino!

Plaza Royal Casino UK
4 / 5
Read review

Up To £200 + 100 Extra Spins

 If you don't have the time to go to Vegas - Plaza Royal will bring Vegas to you! Read the review and find out more about Plaza Royal Casino!

MrQCasino logo
4 / 5
Read review

20 Free Spins

An in-depth review of MrQ Casino. Expert insights tailored for UK players, helping you decide if MrQ Casino is your next gaming destination.

Visit SiteVisit Site
Terms & conditions apply
20 Free Spins credited upon your first £10 deposit on Big Bass Splash slot only, valued at 10p per spin. Free Spins must be used within 48 hours of qualifying. All winnings are uncapped and credited to your real money balance. Full T&Cs apply. 18+.
Playzee Casino logo
4 / 5
Read review

100% Up To £300 + 100 Spins

Dive into our comprehensive Playzee Casino review. Learn about Playzee's user-friendly interface, bonuses, and secure gaming environment.

Visit SiteVisit Site
Terms & conditions apply
18+ New players only. Min Dep £20. Max Bonus Bet £5. Offer: 100% of 1st deposit up to £300 + 100 Zee Spins on Starburst (first 10 credited on 1st deposit; rest credited at 07:00GMT at 10/day) + 500 Zee Points. Spins expire after 23:59GMT on day they’re credited. Winnings from each 10 spins capped at £50 & credited as bonus. Bonus funds expire after 30 days, are separate to Cash funds, & subject to 35x wagering of bonus + deposit amounts. Affordability checks apply. Terms Apply Play Responsibly.
21UK Casino logo
4 / 5
Read review

100% Deposit Match Offer up to £50 AND £6 in Live Casino Chips

21 UK Casino is a great online casino site licensed by the UK Gambling Commission. Read the review and find out more!

Visit SiteVisit Site
Terms & conditions apply
Full T&Cs apply. New players only. 7 days to opt in and deposit £10+ with a further 7 days to wager 40x on Live casino. Wagering contributions vary. Max cash reward: £50. £6 bonus has 3 day expiry to use on selected Evolution games. 10x winnings from £6 bonus. 18+
Griffon Casino UK logo
3.9 / 5
Read review

Up to 200 Bonus Spins

Do we think Griffon Casino is a noteworthy site for UK players? Yes, we can definitely recommend it for new and experienced players.

Karamba Casino logo
3.6 / 5
Read review

Win 100% up to £50 + 100 Spins

Karamba Casino is an online casino that offers a wide range of exciting games to its players. The casino has been around for a while and has built a good reputation among its players. It is licensed by the UK Gambling Commission and the Malta Gaming Authority.

Visit SiteVisit Site
Terms & conditions apply
Min. deposit:€10 Max. bonus: €200.
Offer valid on first deposit.
Offer only applies to new players.
spins are given as follows: 20 spins and 100% bonus upon first deposit. Another 40 spins are given upon deposit on the second day after the first deposit (min €20), and an additional 40 spins are given upon deposit on the third day (min €20).

How do UK Online Casinos Work?

If you’ve ever wondered how online casinos work, you should know the concept is relatively easy to grasp. Casinos on the Internet are built like regular websites, and they show content specially designed by gambling software providers, tailored to satisfy many online customers.

Another way of putting it would be that gambling sites are virtual formats of casino entertainment that are always available to us anytime, day or night.

There are no opening hours and no dress code restrictions for players, but players are required to be of legal age, just like in land-based casinos, if they want to be registered account holders and place actual bets.

To become a registered Internet casino member, complete a simple registration form on any website you hope to interact with (e.g., shop, make reservations, etc.).

Most venues have a noticeable link to the registration form, so the process takes less than a minute. The form typically requires you to enter personal data like your name, address, email, etc. Still, of course, it’s all private, and eventually, you’ll only use your chosen username and a safe password to log in every time you visit the site.

You may need to wait a while for your account to be verified, as some online casinos demand SMS or email verification. After that, your new account will be activated. You’ll gain access to the entire virtual casino lobby, where you can play popular games such as classic slots, video slots, video poker machines, table games and even scratch cards or bingo, depending on the casino’s portfolio.

Loading the games is easy; you only need to click on the thumbnail, which will start in seconds. Some casino websites allow you to play for fun without real money, but you will only win and lose imaginary credits.

It’s necessary to deposit and fund your account if you want to bet and win actual money. Go to the cashier’s page, select your payment method, and follow the instructions. You’ll have real money to play with on your casino account.

The minimum legal age to enter a casino in the UK is 18.

How To Choose An Online Casino

Now that you know how online casinos work, you must wonder how to choose one. Let’s face it: There are hundreds of UK online casino sites, and you only need to pick out several to play at.

Choosing an online casino doesn’t have to be an unpleasant experience. Think of it as an investment – the more time you dedicate to finding the right venue, the better your online gambling experience will be.

Choosing a random UK casino website is rarely a good idea. You should know what to expect and keep your interest directed at familiar brands with a decent reputation among gamblers.

It’s good to ask yourself what aspects of a casino website are most important. Do you want an extensive choice of games? Do you value good bonuses the most? Does it matter if the online casino offers just a few payment methods? Is customer support available through live chat? Do you want to receive assistance immediately?

These potential issues may help determine exactly what type of casino you want.

The one thing you should never forget when choosing an online casino is license and regulation. This should be your primary concern, a quality above others. If the casino site isn’t adequately licensed, you should avoid it. So go for safe online casinos only.

You can never be sure where your money is going and what kind of problems with the casino management you might have because the brand doesn’t have a valid license to offer gambling services online.

If there is no authority behind the casino to ensure everything is done following the law, you will risk your funds more than you ever would in regulated play.

Best Online Casinos UK

Regarding the best, several factors determine the true standouts in any business. From sports teams to solicitors firms, there often seem to be a few selected operators who can do what others cannot.

Competition is an essential component in how firms operate and can often lead to the outstanding firms of today becoming the fallen giants of tomorrow.

UK online casinos are not protected from this essential law. If you cannot evolve with the changes and demands of the day, you will eventually fall behind the pecking order.

Several online casinos have grown to massive prominence over the years because they embrace what it means to be the best.

The software, choice of games, payment options, site design, and sportsbooks are the essential qualities that will help players and their competition judge the best casino sites in the UK.

While it may be tempting to focus on the tip of the iceberg when identifying the best casinos, there is little fun.

The best way to distinguish a top online casino from one that is essentially an idyllic pretender is to take it apart and rebuild it.

As the old saying goes, comparison may be the enemy of happiness, but it is crucial when choosing the right casino.

Best UK Casinos List

🏆  Best Overall Casino:Regent Casino
🍁  Best UK Casino Bonus:Queenplay
🎰  Best For UK  Slots:Videoslots
📱  Best UK App Experience:Griffon
🏦  Best For UK Jackpots:MrQ Casino
🔴  Best For UK Roulette:BetWay
🃏  Best For UK Blackjack:Fun Casino
📱  Best For UK Mobile:LeoVegas UK
🆕  Best New UK Casino:21 UK Casino

Best UK Online Casinos – Top #4 List

Look no furthеr if you’rе sеarching for thе bеst UK onlinе casinos! In this guidе, wе’vе handpickеd thе top onlinе casinos in thе UK based on various factors, including gamе sеlеction, usеr еxpеriеncе, and customеr support. Whеthеr you’rе a sеasonеd playеr or just starting, our list will surеly provide you with a top-notch onlinе gambling еxpеriеncе.

So the best UK online casinos are:

  • Casimba Casino
  • Griffon Casino
  • LeoVegas Casino
  • BetWay Casino

#1 – Casimba UK Online Casino

Visit SiteVisit Site
Terms & conditions apply
18+. New players only. Min. deposit £20. Max. bonus bet is £5. Bonus spins on selected games only and must be used within 72 hours. Winnings from Bonus spins credited as bonus funds and capped at £100. Bonus funds expire in 30 days, unused bonus funds will be removed. Welcome Offer is 100% match up to £200 plus 50 bonus spins on your 1st deposit, 50% match up to £50 on your 2nd deposit. Bonus funds are separate to Cash funds, and are subject to 35x wagering the total bonus & cash. Only bonus funds count towards wagering contribution. Affordability checks apply. Terms apply.

100% Up To £200 on your first deposit + 50 Bonus Spins


Casimba is one of the UK’s biggest online casinos. Established in 2017, it caters to players looking to play where high-end software is the norm.

There are a few questions about safety and reliability as Casimba is regulated and licensed by the Malta Gaming Authority and the UK Gambling Commission.

Casimba excels in terms of software. This online casino has teamed up with the very best software providers. This means that they feature a whole host of game providers, and the games are of the highest quality, too. Plus, they’re available to desktop and mobile users, and you can also pay by phone using methods such as Google Pay or Apple Pay.

As an online casino player, you’re probably into table games, which are just as well as Casimba has a lot. They’ve got everything traditional, including blackjack, roulette, Baccarat, three-card poker, 3D blackjack and Vegas single-deck blackjack.

There’s a wide selection of live tables, and the video feeds are up-to-date and high-quality, which adds to the live experience.

In addition to casino play, Casimba offers many payment options, including MasterCard, Maestro, Neteller, and Skrill. The weekly withdrawal limit is £5,000.

Last but certainly not least, the support is good. You can access a 24/7 live chat service with fast response times.

We have a few negative things to say about an online UK Casino that is easily one of the best currently operating.

#2 – Griffon UK Online Casino


Up to 200 Bonus Spins


Formed as recently as 2020, Griffon Casino is a relatively new UK online casino, but that doesn’t mean it’s an also-ran in the UK online casino industry. We rate Griffon Casino highly, and here’s why:

First and forеmost, this is a rеliablе and lеgitimatе onlinе casino licеnsеd by thе Unitеd Kingdom Gambling Commission. Thеy fеaturе many top gamе providеrs, offеring playеrs all thе big-namе gamеs and slots, plus many standard and livе casino options.

Griffon is quite popular amongst slot еnthusiasts, and if you arе looking for a new placе to play somе slots, Griffon may bе thе placе for you. Aftеr all, nеw playеrs can gеt up to 200 bonus spins when they join. Rеgistеr for an account, makе a first dеposit, and bе crеditеd with up to 200 frее spins.

At Griffon, you also gеt many paymеnt options, morе than at many othеr onlinе casinos. Griffon has also become known for its fast procеssing of dеposits and fast withdrawals, which is nеvеr bad.

Unfortunately, thеrе arе a couplе of drawbacks. Thе wеbsitе isn’t as swish or fast as somе big-namе onlinе casino brands, which can bе a littlе annoying.

#3 – Leo Vegas UK Online Casino

Visit SiteVisit Site
Terms & conditions apply
Full T&Cs apply. New reg only. Opt in & deposit £10, £25 or £50 within 7 days & further 7 days to wager cash stakes 35x to unlock reward (£50 on 2 deposits). 3 day exp. Wagering/game contributions vary. 25 wager-free spins x10p to added to Big Bass Splash with each qualifying deposit, 3 day expiry. 18+

50 Free Spins on Big Bass Splash & up To £100


50 Free Spins on Big Bass Splash


No UK online casino list would be complete without Leo Vegas. Formed back in 2012, Leo Vegas is arguably the number one online casino in the United Kingdom. It is certainly one of the most popular, and for a good reason.

As a big brand, you know you’re playing with a tried and trusted operator, and as the UK Gambling Commission licenses Leo Vegas, there is no need to worry about being scammed.

There are over 30 software providers, including the industry’s top names. This means high-quality service, top-of-the-range games, and excellent live casino offerings, where the video feeds are crystal clear and not delayed.

There is, of course, a massive library of games, which includes everything you would expect from an online casino, plus much more, including games such as Baccarat Deluxe, Real Baccarat, Craps, Casino Solitaire and Perfect Pairs Blackjack.

Though not the biggest in the industry, the welcome bonus is decent, too. After registering an account and depositing for the first time, new players can get up to £100 in bonus funds, plus 50 free spins.

If we have one minor criticism of Leo Vegas, it’s a lack of payment options. Plus, they allow both Apple Pay and PayPal, which is excellent for modern users and not something other online casinos offer.

#4 – Betway UK Online Casino


100% Match Bonus up to £50


Betway is one of the biggest sports betting brands in the UK, notably sponsoring West Ham United in the English Premier League, but they’re not just sports betting specialists, oh no.

There’s also the small matter of the Betway Casino. As online casinos in the UK go, the guys at Betway have produced something that easily competes with the best.

First, Betway’s desktop site and mobile casino app are high-quality. They look good, are very functional, and are easy to navigate, so players quickly get around.

The live casino is very good, so much so that it is up there with the best on offer anywhere in the UK. There are over 500 casino games for players, including live roulette!

Casino players can enjoy the action on their phones as Betway Casino has a dedicated mobile casino app on Android and iOS. Again, though mobile play is generally available, not every online casino in the UK offers such a dedicated and well-designed app.

The deposit bonus for new players is not the best, but it is still adequate. Once you register and deposit, you can get up to £50 in bonus funds.

For the design features and the mobile casino app alone, Betway would rank highly. Still, there is very little wrong with what they’ve put together as a casino package, so it would be wrong to classify them as anything other than one of the best UK online casinos.

Features of the Best UK Casino Sites

Anyone who has watched TV or movies for a few years will have encountered a few scenes in their time with old gangsters and molls in casinos. These are, for internet casinos, where it all started.

The development of many of the games that have become prominent within the smoky halls of traditional casinos is the driving force for the revenue of many of the major operators in the UK.

Be it blackjack, roulette, craps, or other famous table games, today’s obsession with playing these favourite games can be traced back centuries.

Thanks to the developments initiated by online casinos, the modern player can play a few hands of poker or spin the roulette wheel from the comfort of their living room.

An online casino is a compact casino that runs through instant play or downloadable software. Players are provided access to games where they can wager money on the outcome, hoping to win and make a profit.

These days, millions worldwide access the best online casinos with the ambition of landing a big win or even a life-changing sum of cash.

UK online casinos are ubiquitous and can be found all over the internet. They range from good to bad, large to small, and even specialist to generalised.

There are thousands currently in operation today, all competing with one another. Therefore, isolating the best from the pack can sometimes be more complex than many think. This is primarily due to what many consider the critical factors for playing in the first place.

However, things tend to be more objective regarding the cold, hard facts that the best online casino sites come with.

Software & Games

The best UK online casinos tend to offer players many games, with the quality underpinning the quality of the casino as a whole. Suppose a player can identify a strong showing regarding slots, casino games, poker titles, bingo, lotteries, etc. In that case, it generally means that the casino is one to be reckoned with.

Generally, that is. Some casinos are not considered to bring anything special and have many games, but the quality of the titles is dubious.

Many casinos of this kind tend to mask the lack of modern and top-quality titles with hundreds or even thousands of older games.

These stand out to seasoned players who can see through the camouflaging, so to speak, but will not be as apparent to those who cannot differentiate.

In this case, and by elimination, a player can strike the name of a casino with this set-up off their list when trying to identify the best online casinos.

The best UK online casinos will stand out when we look at their software partners. These are easily identifiable in their games.

Most of the best online casinos will use software providers such as Microgaming, NetEnt, and BetSoft, which generally indicate their size and stature to players. Other standout providers will also notably present and typically power more than slots.

Many online casino software providers provide other aspects of a player’s experience. To be precise, live dealer casino games, poker software, general casino software, and more.

There is always a direct relationship between the best casinos and the presence of the best software providers. It’s logical as the licenses for these games tend to cost a considerable amount, which smaller casinos may be unable to afford.

These companies also have reputations to uphold and will not work alongside any old casino. Many casinos have used pirated software from these developers and got away with it, so make sure you don’t just use the software providers a casino works with to judge their reputation.


An online casino’s reputation should generally precede it. Many of the big players in the UK have histories that go back decades – or even sometimes over a century – due to their roots in high-street shops and traditional bookmakers.

As such, players know that quality and safety are built into the overall product when they play in these brands’ online casinos.

Word of mouth and advertising campaigns launched by these online casinos also tend to say something about their intentions.

The more happy players they accrue, the more word of mouth and advertising from peer to peer they can avail of. When you factor in the monetary value of these points, you can see how these companies can further grow and expand, keeping ahead of the competition in the process.

Many online casino players tend to scour the internet for online casino reviews and customer feedback before signing up for a site.

The best UK casino sites are not immune to criticism but are at less risk of driving customers away with how they operate.

This, once again, makes for more customers and larger monetisation, contributing to better games, better software, and a more robust product.

Security & Customer Support

The best internet casinos in the UK will often lead the pack regarding security. As reputation is everything in business, it only makes sense to do so, right? With hacking and fraud on the up, these companies invest in the most comprehensive software to protect their customers.

From firewall software to 128-bit SSL encryption, transactions are protected, and players’ information is safeguarded to prevent these details from being intercepted.

This can help an online casino stand out. While most top casino sites are based in countries with good reputations and have obtained licenses from respectable authorities, there are strong incentives to play only with these top-rated online casinos.

Another critical aspect of choosing the best casinos is considering their customer support and service functions.

The top casinos tend to have strong features regarding both, which can make a difference. If you can speak to an educated and helpful customer support team and make deposits and withdrawals in several ways, why go elsewhere?

Payment Methods

The best UK online casinos wouldn’t be the best if they didn’t also come with payment methods that can fit the UK player. Most online casinos often offer bank transfers and classic e-wallets like PayPal or Skrill. But how many also support pay-by-phone mobile bill methods like Apple Pay or Google Pay? Or, more untraditionally, crypto? The top online casinos would usually have them for the convenience of the British UK casino player.

Top Online Casinos – In Conclusion

They say the cream rises to the top, especially in online casinos. Not every site you play on will have a solid return to every aspect of online gaming, but the best of the best should have at least a solid and respectable grasp of these factors.

In the age of increased competition, there are very strong demands on these companies to provide something for everyone.

The best online casinos do well by understanding this philosophy and executing it to the best of their abilities.

These are tangible to the seasoned player. From the landing page of a top online casino, players should be able to get a feel for what it offers.

The site design, graphics, choice of games, sportsbook, customer service, payment options, and bonus structure should all be part. The company will be notable, although many online casinos are beginning to make big impressions with limited history.

The proof is in the pudding when it comes to testing a casino. Luckily, the best casinos allow players to navigate the site and test the software before committing to depositing. This can often be the best option for players interested in finding only the best casinos.

Information on addiction and problem gambling

If you or someone you know might have a gambling problem, we recommend that you seek help:

BeGambleAware – gambling help & gambling addiction.

GamCare – Counselling for the prevention and treatment of problem gambling.

RC PSYCH – (Royal College of Psychiatrists) Receive great help if you want to recover from problem gambling.

NHS Gambling Addiction – Get help if you think you’re addicted to gambling through this great resource.

UK Gambling Commission – Regulator of gambling activities in the UK.