Few casino games are as popular as blackjack — after all, what other game can claim an entire number all to itself? 

Luckily, the best online blackjack sites in the UK make chasing that elusive 21 much more thrilling – and we’re here to tell you which casinos have players flocking to the tables

Leading our lineup is PlayOJO, which features a deck full of exciting blackjack games and wager-free bonuses. But since we love variety, we’ve listed 9 other UK casinos for you to try.

Let’s take a closer look at our top picks!

Most Popular Online Blackjack Sites UK

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These are the best online blackjack sites UK players can join, with each excelling in a specific area. Let’s find out a little more about the 5 leading casinos.

1. PlayOJO – Most Popular Online Blackjack Site in the UK Overall

Oxford Mail:

18+. New, ID-verified players only. Extra bingo tickets worth 10p. Bonus spins on Big Bass Bonanza worth 10p each. No wagering requirements. Note that the full T&Cs apply.

Pros:

  • Around 100 live blackjack tables
  • Live blackjack games from Pragmatic Play
  • 3,000+ online casino games
  • 50 bonus spins welcome offer
  • All bonuses have no wagering requirements
  • Multi-award winning casino
  • Limits as high as £20k per hand

Cons:

  • No specific blackjack welcome bonus
  • Fewer payout options

Of all the popular online casino sites in the UK for blackjack, PlayOJO is the reigning king. It's a fantastic place to play video and live blackjack thanks to its extensive range of games and its beautiful mobile app, amongst other important factors.

Online Blackjack Games: 5/5

There are dozens of blackjack games to play at PlayOJO, both in the live and non-live domains.

Most of the live blackjack side of things has been taken care of by Pragmatic Play, which is excellent news. They’re one of the best live casino software providers in the world, so expect to see beautiful graphics, entertaining live dealers and high average payout potential.

Even better, the limits range from a pound a hand all the way up to £20k per hand, so no matter your budget, you can have a ton of fun here.

If you prefer to play solo blackjack, then you’re still in luck. PlayOJO hosts a handful of intriguing options, such as American Blackjack Turbo and American 21 Blackjack.

Blackjack Bonuses: 4.95/5

The current PlayOJO new customer offer is a batch of 50 bonus spins that you can get when you sign up and deposit £10. They’re for the classic Big Bass Bonanza slot, and they’re valued at £0.10 per spin.

Of course, it would’ve been nice to have seen an actual blackjack bonus for new players, but the good news is that these bonus spins come with zero wagering requirements, so you can use any winnings you made from them to play blackjack to your heart’s content.

Plus, the Kickers section offers extra opportunities to get bonuses from PlayOJO. Here, you’ll find daily matched deposits, further bonus spins and more.

Mobile Blackjack Play: 5/5

PlayOJO’s app is easily one of the best we’ve ever used for blackjack in the UK.

It’s been rated 4.5* in the App Store and 4* in the Play Store thanks to its impressive mobile compatibility and its generally simple yet engaging user experience.

Banking: 4.95/5

Impressively, PlayOJO processes most withdrawal requests in just a few hours, and you’ll never have to wait more than 24 if you stick with options like PayPal.

This means it’s one of the fastest payout casinos in the UK!

There aren’t a ton of deposit or withdrawal methods to choose from, but it is still possible to bank with Apple Pay, VISA and a handful of other methods, so you’re likely to find one of your preferences.

Overall Score: 4.95/5

PlayOJO has only been around for a few years, and it’s already won a lot of awards for its short tenure. But we can see why. It’s arguably the top online casino in the UK right now, and it’s perfect for blackjack.

>> Score 50 bonus spins [PlayOJO]

2. Luckland – Highly Rated UK Mobile Blackjack Site

Oxford Mail:

18+. New, ID-verified players only. Minimum deposit £20. 40x wagering requirements apply. Wagering contributions vary. 50 spins on Starburst. Note that full T&Cs apply.

Pros:

  • Casino tournaments available
  • Over 99% RTP blackjack games
  • High ratings on App Store and Google Play
  • £50 matched deposit welcome offer
  • Evolution Gaming live blackjack titles
  • 1,000+ games in total

Cons:

  • Could have better game categorisation
  • Occasionally slow desktop site

These days, many online casinos offer some kind of mobile app, so there’s a lot of competition. But, besides perhaps PlayOJO, we’ve worked out that the highest-rated mobile blackjack app is offered by Luckland.

Online Blackjack Games: 4.9/5

You’ll find a handful of high-quality video blackjack games at Luckland, including American and European blackjack from the Microgaming industry.

The live dealer blackjack at Luckland has been heavily supplied by the almighty Evolution Gaming. A lot of people have called them the best live casino software providers in the world, and they’ve brought some 99%+ RTP live blackjack games to Luckland.

The only issue here is that it’s not particularly easy to find your way around the blackjack games at Luckland on the desktop site because of the lack of a search bar or significant game categories.

Blackjack Bonuses: 4.95/5

There’s both a matched deposit and bonus spins for everyone who signs up at Luckland.

The first part is a 100% matched deposit of up to £50, but that also comes with 50 bonus spins which are currently for the Starburst slot.

You’ll be able to use your bonus from the matched deposit to play blackjack, which is excellent news, of course.

We’d have liked to have seen a reload bonus for more blackjack action to be able to give the top marks for this category, but that’s not the case right now. 

Mobile Blackjack Play: 5/5

The Luckland mobile app is another of the best in the UK. You’ll be able to play most of the blackjack games from the regular site on it, and it’s generally very easy to use.

While it might not have the most stunning graphics, it’s super smooth, fast and intuitive, which are the most critical factors for us.

Banking: 4.9/5

There are nine deposit methods to choose from at Luckland, which is a lot more than most of the competition. A couple of examples are Trustly and PayPal, but it’s also possible to pay with the classic debit card if you prefer.

Payouts are pretty quick here as well. Withdrawals take between 24 hours and a few days to be processed, and many users report things happening a lot faster than this as well.

Overall Score: 4.9/5

It’s neck and neck between our top two popular UK online casinos. A lot of readers may, in fact, prefer the sound of certain aspects of Luckland, which is great news if you’re looking for casino variety.

>> Unlock a £50 bonus + 50 bonus spins [Luckland]

3. All British – Largest Welcome Bonus of All Online Blackjack UK Sites

Oxford Mail:

18+. New, ID Verified players only. Up to £100 bonus credit. Min deposit £20. No max cash out. Skrill and Neteller deposits excluded. 35x wagering requirement. Note that full T&Cs apply.

Pros:

  • Up to £100 for new blackjack players
  • Non-live blackjack games from Microgaming
  • 10% cashback is available
  • Around 30 online blackjack titles
  • Excellent user interface

Cons:

  • Neteller and Skrill users excluded from cashback
  • Fewer live dealers

There’s no better way to get started with playing online blackjack than grabbing a bonus to play with, and you’ll find the largest at All British.

Online Blackjack Games: 4.85/5

Most of the non-live blackjack games at All British have been developed by Microgaming, which is very exciting. In case you don’t know who they are, Microgaming is considered to be the oldest and one of the best casino software providers of all time.

This means you’ll be able to enjoy an abundance of quality titles, such as Vegas Downtown Blackjack and Atlantic City Blackjack. Both of these go to show how non-live blackjack can be just as immersive and exciting as the live versions.

But if you would still rather play your blackjack live, you can still check out a lot of options at All British. Many of their live dealer blackjack games come from Evolution Gaming, which, as we know by now, is one of the best live casino software creators in the world.

Blackjack Bonuses: 4.95/5

For blackjack specifically, the best welcome bonus in the UK can be found at All British. They’re offering a 100% matched deposit of up to £100, and we’d much rather have the extra £50 to play blackjack with instead of the 50 slot game spins!

This is a stunning blackjack offer right off the bat, but it’s not the only generous incentive for All British players. The site also offers 10% cashback on all qualifying deposits, so you can get more when you fund your account.

Mobile Blackjack Play: 4.8/5

All British’s iOS app has scored an impressive average rating of 4.2* from well over 200 reviews at the time of writing. The key to the success here is the vast range of games and smooth loading, although we did find that navigating was somewhat confusing.

The app isn’t quite as highly rated on the Play Store as users report longer loading times, but it’s still great to use there once you get it up and running.

Banking: 4.85/5

There are fewer payment methods at All British, but these include popular ones like VISA, PayPal, Skrill, Trustly, and Apple Pay.

That will be enough for most people, though, and so is the fact that payout requests will always be processed within 24 hours.

Overall Score: 4.85/5

A couple of minor details have held All British back from fully challenging our top spot, but if you’re able to ignore those, you may just find it to be your new favourite blackjack casino.

>> Claim a £100 bonus plus 10% cashback [All British]

4. Slots Magic – Top Site to Play Live Dealer Blackjack Games in the UK

Oxford Mail:

18+. New, ID verified players only. Minimum deposit £10. 30x matched deposit wagering requirements apply. 60x bonus spins wagering requirements apply. Max bet £5. Bonus spins are worth £0.10. Note that full T&Cs apply.

Pros:

  • Over 100 live dealer tables
  • Play Pragmatic Play and Playtech live blackjack
  • £50 bonus and 50 spins for new players
  • Detailed FAQ section
  • 10+ years of experience
  • Filter games by providers

Cons:

  • Dated website design
  • VIP club is by invite only

You won’t find a better place to play live blackjack than Slots Magic. There are over 100 live casino games in total there, and most of them are our favourite card games.

Online Blackjack Games: 4.8/5

The live online blackjack at Slots Magic comes from two of the world’s favourite live blackjack providers, Playtech and Pragmatic Play.

Together, they’ve supplied a wide range of blackjack variants in live form, so no matter which type of blackjack you’re into, you can play it live in the highest quality at Slots Magic.

And that’s why we picked Slots Magic as the best place to be for live blackjack fans. But if you do ever want a break from the live dealer side of things, you can switch over to playing Lightning Blackjack and a few other non-live games.

Blackjack Bonuses: 4.8/5

You’ll find another 100% matched deposit of up to £50 plus 50 bonus spins as the welcome package for Slots Magic.

This time, the spins are for the Rich Wilde and the Book of Dead slot, and if you’re lucky enough to score some winnings from them, you could use your winnings to play blackjack.

Naturally, though, the most important part of this offer for blackjack fans is the matched deposit, and the wagering requirements for that part are much more reasonable.

Mobile Blackjack Play: 4.85/5

Slots Magic has a mobile app that you can use to play most of the games on the desktop site.

That’s excellent news, of course, but the app itself does feel somewhat dated.

Banking: 4.7/5

There’s a mandatory 24-hour pending period for all withdrawal requests at Slots Magic.

It might seem annoying compared to our top two so far, but that’s actually pretty standard and is, in fact, a much shorter time period than many other casino sites.

Once again, there are several payment methods to choose from, including bank cards, bank transfer, and PayPal, so most bases are covered.

Overall Score: 4.8/5

Slots Magic has powered itself into our top five blackjack casino sites, all thanks to some fantastic live dealer action.

>> Claim a £50 bonus and 50 extra spins [Slots Magic]

5. Red Kings – Best Game Variety of All Blackjack Online UK Sites

Oxford Mail:

18+. New, ID verified players only. Minimum deposit £10. 60x bonus spins wagering requirements apply. Bonus spins are worth £0.10. Note that full T&Cs apply.

Pros:

  • Excellent VIP Lounge
  • 18+ years of online casino experience
  • 100 different blackjack variations
  • More than 3,000 total games
  • Top-tier customer support team

Cons:

  • No deposit bonus
  • Players not automatically enrolled to VIP club

If you ever feel like you’re going to need a helping hand when playing blackjack, then Red Kings is the best place to get it. Plus, it’s another of the top live blackjack casino sites.

Online Blackjack Games: 4.8/5

It’s been around since 2006, so it’s no surprise that Red Kings has curated some of the best live blackjack games in the world.

Many of them come from Evolution Gaming, so not only are you getting a wide range of choices and high quality as well.

However, there’s somewhat of a lack of non-live blackjack games here, so we’ve had to dock a few points for this category. If all you care about is a rousing game of 21, though, they have 100 different ways to play it — hard to beat that.

If you ever get tired of playing cards, you can explore other casino games here, like slots — they offer over 3,000 gaming options for you to choose from!

Blackjack Bonuses: 4.75/5

Red Kings is currently offering 100 bonus spins for the Sahara Riches Cash Collect slot to everyone who signs up for the first time and puts down £10 or more on their first deposit.

After you’ve cleared the wagering requirements, you can eventually use any winnings you have left over to play blackjack.

Mobile Blackjack Play: 4.75/5

Red Kings provides a stellar mobile gambling site for seamless gaming on the go, enhancing the blackjack gaming experience.

The user-friendly interface ensures easy navigation, and the graphics are modern and visually appealing, offering an immersive gameplay experience.

Banking: 4.75/5

Like Slots Magic, Red Kings offers the big five payment methods (including PayPal and VISA) and pays out quickly after a 24-hour pending period, so we have no complaints about the banking department.

And if you ever run into any issues, Red King’s customer service live chat is on hand and super attentive at all times.

Overall Score: 4.75/5

The choice of live card games at Red Kings makes it the best of all the most popular blackjack casino sites, and the attentive customer support pushes it over the edge to earn it a deserving position in our top five.

>> Unlock 100 extra spins on Sahara Riches [Red Kings]

How We Ranked the Most Popular Blackjack Sites Online UK

Online Blackjack Games 

Blackjack comes in various shapes and sizes. Live and non-live, special rules, different themes and more all come into play.

So, we want to see online blackjack UK casinos that cover all of these bases with their blackjack game selections and ideally offer games from quality providers, too.

Blackjack Bonuses

It’s always good to get some bonuses to play blackjack with when we sign up, or even in the form of a reload bonus for loyal players.

However, it’s equally important for the terms of these offers to be fair so we stand a chance of withdrawing any of our winnings.

Mobile Blackjack Play

As more and more people move to their mobile devices to play blackjack, we felt that it was necessary to include mobile compatibility as one of our main ranking criteria.

By this we mean most of the games being available for mobile, and the mobile apps being enjoyable to use.

Banking Options

We’re always looking for online casino sites that pay out quickly. Not only is that more convenient for us players, but it also helps the casino feel more trustworthy.

Moreover, it’s good to see a wide range of banking options!

Is Playing Online Blackjack in the UK Safe?

Playing online blackjack in the UK is perfectly safe, provided that you sign up for the right online casino in the first place.

While all online casinos need to be licensed to operate in the UK in the first place, and that shows a sign of safety, some are more secure than others.

Starting with a popular online casino helps, as it’s simply not going to be possible for a casino to become popular if it’s not able to demonstrate its safety. As soon as players start to see signs of a lack of safety, they’ll warn players away from particular sites.

Nonetheless, we double-checked all of the online casinos in our top 10 to ensure they were as safe as possible, and all of them are licensed by the UK Gambling Commission.

And there are a few safety checks that you can make for yourself while you scope out online casinos in the future.

How Can You Tell if a UK Online Blackjack Site Is Safe?

Wondering whether a UK online blackjack site is safe? There are plenty of things you can look out for when gauging a gambling casino.

Here are the main things to consider when scouring for blackjack sites online UK users can join:

Customer Reviews: As mentioned, players will always warn other players if an online casino isn’t safe. You can look at forums, review pages and other parts of the internet to get hold of this information about particular casino sites.

Customer Support: If an online casino has responsive customer support round the clock, it’s more likely to be safe. You can even speak to them for yourself if you really want to check how attentive they are at any one casino.

Encryption: It’s always worth checking if a casino site is encrypted with SSL. Most of them are, but it’s super important for this to be the case as this level of encryption makes sure that all of your personal data is safe.

Payout speed: We’ve typically found that the faster an online casino pays out, the more trustworthy it is. If it makes you wait for several weeks or too many days before it releases your funds, then its motive might not be as honest as some of the faster casinos.

Can You Play Online Blackjack for Real Money in the UK?

Yes, it’s completely possible to play online blackjack for real money in the UK, just as long as you’re aged 18 or over and the casino you’re playing with is licensed by the UKGC.

In fact, there are various ways you can place real money deposits and request real money withdrawals at online casino sites. Take a look below to find out some of the most common methods available at leading online blackjack UK sites like PlayOJO:

  • Debit cards: It’s illegal to play with a credit card at an online casino in the UK, so you’ll need to use your debit card if you want to go for the straightforward card option. It is available as a banking option at effectively all online casinos, after all.
  • eWallets: Some players like to streamline the deposit and cashout processes by opting for an eWallet as the proxy for card payments or so that they can pay with cash received elsewhere. PayPal, Neteller, and Skrill are very popular online casino payment methods.
  • Voucher: It’s possible to pay with cash or to use a voucher received as a gift, for example, by opting for the likes of Paysafecard. However, you typically won’t be able to withdraw this way, and the max deposit amount will typically be lower. 
  • Bank Transfer: If you still want to pay through your bank account but would prefer not to pay with a card, you could opt for the direct bank transfer route. This often has the benefit of allowing larger transfers, but payments can take a while.

Can You Beat Online Blackjack?

There’s no surefire way to win blackjack online. We wish there was! However, it does offer some of the highest RTPs in the whole online casino world, meaning you’re going to get paid out more on average when playing it than you will from the likes of online slots.

And there are a handful of strategies that you might want to consider employing to give yourself, potentially, a better chance of winning.

Of course, we can’t guarantee success from any of them, but you may find that one or two of them help to give you some control in your game.

Here’s a look at some of the most popular strategies for online blackjack players. These are just a few of several, so it’s always worth looking further to find something that works best for you.

  • The Martingale System: This is arguably the most popular system for online blackjack. It involves doubling your bet every time you lose so that you can have a chance of recouping your losses from just one win. Of course, it’s risky, but it may pay off!
  • Paroli System: The Paroli system is sometimes referred to as the Reverse Martingale. Here, players double their bet after each win instead of loss and return to the original bet size after a loss. The aim of this strategy is to profit off any winning streaks you incur.
  • Responsible Gambling: Okay, so this one isn’t a way to win blackjack as such, but it is just as important a tactic to consider as any. Always remember to set deposit and time limits before each session so that you can minimise the risk of ever getting carried away.
  • Understand the Rules and Variations: Again, this is another general tip, but it is very important. Different online casinos may offer variations of blackjack with slightly different rules, such as the number of decks used, extra bonuses, etc., so make sure to do your homework.

Can You Count Cards in Online Blackjack?

Counting cards in online blackjack is theoretically possible, but it's much more challenging and less effective compared to counting cards in a brick-and-mortar casino.

One of the key reasons for this is that the RNG shuffles the cards rather than a dealer, so you won’t be able to count that.

Furthermore, things happen a lot more quickly online, so it’ll be tough to watch the cards being counted.

Popular Online Blackjack Sites UK – FAQ

Is it Legal to Play Online Blackjack for Real Money in the UK?

Yes, playing blackjack online for real money is perfectly legal in the UK, just as long as you’re aged 18 years old or over.

Which Types of Online Blackjack Games Can You Play in the UK?

There are plenty of blackjack games to play in the UK, but they vary between online blackjack casino sites.

The best online casinos will offer European Blackjack, American Blackjack and different bonus games.

What is the Optimal Blackjack Strategy?

The optimal blackjack strategy really depends on personal playing style.

Many players like to use the Martingale System to manage their expenditure, but others opt for other customised strategies based on popular methods like Martingale.

Which Online Blackjack Site is the Most Popular in the UK?

The most popular online blackjack site in the UK is PlayOJO. This is because of its massive range of blackjack games, great mobile app and player-friendly bonus offers.

Comparison of the Most Popular UK Online Blackjack Casinos 

We’re coming to a close here, but before we do, let’s remind ourselves of the top five online blackjack casinos and consider what’s on offer for new players at each site:

PlayOJO: It’s fitting that the most popular online casino in the UK is also the best online casino in the UK. Of course, it’s pipped the rest to the post in our list as well, and you can even get 50 bonus spins with no wagering requirements when you sign up. Full T&Cs apply.

Luckland: This online blackjack casino site is the go-to option for mobile players, thanks to a stunning, popular mobile app with high ratings from many customers. Use it to grab the welcome bonus, a £50 matched deposit and 50 bonus spins. Full T&Cs apply.

All British: The finest welcome bonus for blackjack players can be found at All British. It’s a massive 100% matched deposit of up to £100 that you can use to play blackjack to your heart’s content, and there’s also a 10% cashback offer. Full T&Cs apply.

Slots Magic: This is the place to be if you want live blackjack action, as Slots Magic offers some of the best games from Pragmatic Play, Playtech and more. Explore it for yourself with a £50 matched deposit plus 50 bonus slot game spins. Full T&Cs apply.

Red Kings: Red Kings boasts a stunning variety of blackjack online games and 18 years of experience. Additionally, customer support is super helpful, with responsive live chat customer support available for all account holders. When you sign up for that account, you can grab 100 bonus spins on your first deposit. Full T&Cs apply.

How to Sign Up and Play Online Blackjack Games in the UK

Ready to play blackjack? Here are the steps you’ll need to take to get your account with PlayOJO, our number one overall online blackjack casino in the UK.

1. Choose a Blackjack Site

  • Visit the PlayOJO homepage or choose another site from our list.
  • Hit the banner in the middle of the screen.
  • Complete the form, entering details as required.

2. Send Over Your Verification Documents

  • Click the link in your email inbox to confirm your email address.
  • Upload a copy of your ID and proof of address if required.
  • Wait for the team to visually verify these.

3. Make a Payment

  • Head into the cashier section.
  • Pick a payment method.
  • Enter an amount (£10 or more if you want the bonus spins).

4. Play Blackjack Casino Games Online

  • Use your bonus spins as per the terms and conditions.
  • Head to the blackjack section of the game catalogue.
  • Use your deposit money and any bonus winnings to play blackjack.

Tips for Playing Blackjack Online in the UK

Check the Software Providers

Each of the popular online casinos we’ve picked out uses somewhat different software, and they all have different algorithms to determine the likelihood of winning.

Make sure to only stay with the big names like Microgaming and Evolution Gaming.

Look for the Highest Blackjack RTP Games

Blackjack is synonymous with high average payouts, and we can tell this by the fact that it often offers some of the highest RTPs in the online casino world.

Use this to your advantage and find those high RTP games to give yourself the best chance for boosted payouts.

Consider the Different Blackjack Variants

There are loads of different types of blackjack out there to play. It’s not just about American Blackjack and European Blackjack!

We recommend doing some research to find out which one looks the most fun and which suits your playing style the best.

Know When to Speak to the UK Gambling Commission

The UK Gambling Commission is in charge of all gambling-related activity in the UK, so they’re great people to speak to if you ever feel like you need to file a complaint about an online blackjack site.

Hopefully, you’ll never have to make one for any of our listed popular online blackjack sites, though.

Play Blackjack Online Responsibly

The most important tip is to always practise responsible gambling.

It’s a good idea to set up deposit limits before every session and make a note of the people you can talk to if you ever feel like things are getting out of hand, e.g. BeGambleAware.org.

Check Your Internet When Playing Live Blackjack Games

You’ll need a bare minimum of 1 Mbps to play live blackjack games, although we recommend at least 5 Mbps to be on the safe side and to get the most immersive experience.

You’ll also need to make sure that your connection is reliable and unlikely to be interrupted.

Ready to Play Blackjack Online in the UK?

When it comes to finding reputable blackjack sites online, UK players can choose from tons of popular, high-quality options. We had our work cut out picking a top 10, but we just about managed it, and PlayOJO led the pack overall.

It’s an exceptional place to play, but why stop there? We’ve listed other blackjack sites online UK users can sign up to that are perfect for playing cards. Plus, you can grab some fantastic welcome bonuses while you check them out for yourself.

Just make sure to play responsibly and have fun chasing 21!

 

DISCLAIMER: 18+ only. The information on this site is for entertainment purposes only. Gambling comes with risks and you must not stake any funds you cannot afford to lose.

If you suspect you may be developing an addiction or if you know anyone who is, call the National Gambling Helpline. You can reach their advisors at 0808-8020-133.

You can also reach out to the following organisations:

Affiliate Disclosure: This is an affiliate post. We don’t offer casino games ourselves. Instead, we help you find a place to play. When you go to a casino via our site and play there, we receive compensation.