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Best Online Casinos UK – Which Casinos Stand Out from the Crowd?

Casino Deal is dedicated to testing and reviewing the best online casinos UK. We look at all the key elements that make an online casino great – from bonuses and promotions to software, games, and payment methods. We make sure our casino reviews are regularly updated.

As a trusted online casino information source in the UK, we provide you with accurate, objective and up-to-date information. Below, we talk you through everything you need to know about online casinos in the UK. What to look out for, what makes a great one and what to avoid.

Keep reading to find out our 7 best online casinosUK.

The 7 Best Online Casinos UK

So, first-things-first, here you can find the 7 best online casinos in the UK. These are casino brands that offer UK players the best-rounded product, bonuses, and games – the full package! Below, we go into more detail about our criteria and what makes a great online casino.

Operator Bonus Link
LeoVegas Review LeoVegas Review Up to £400 in bonus money Play
888casino Review 888casino Review £1500 bonus
OR £88 No Deposit Bonus
+ 100% up to £100 1st Deposit Bonus
Play
Casumo Casino Review Casumo Casino Review 100% bonus up to £300 + 20 free spins Play
Unibet Casino Review Unibet Casino Review 200% deposit bonus up to £200 + up to 200 free spins Play
Betfair Casino Betfair Casino Live Casino: Up to £400 OR
Casino: 500% up to £50 + 20 Free Spins
AND 25 Free Spins upon Registration
Play
32Red Casino Review 32Red Casino Review £32 for every £10 deposit
- up to £160
Play
Mr Green Casino Review Mr Green Casino Review Up to £100
+ 200 Bonus Spins
Play

Making the Grade – Our Best UK Casinos Criteria

Judging an online casino can never be a subjective matter and at Casino Deal, we test and then objectively review every casino and all casino slot games that we write about.

So what makes one of the best online casinos UK? We're sure many of you are screaming ‘BONUSES', but there's so much more to an online casino than this. They are important of course, but they aren't always everything.

The areas that we look at and questions we ask ourselves when testing an online casino include:

  1. Do they hold a UK licence?
  2. What welcome bonuses are on offer?
  3. Are there solid existing customer bonuses and promotions?
  4. How wide is their online casino games choice?
  5. Which software products power the casino?
  6. Do they offer mobile casino products?
  7. Are there Live Casino opportunities?
  8. Do they have suitable payment methods for a UK audience?
  9. What is the user experience like?
  10. Do they offer strong customer support options?

As you can see, it's an extensive list and we leave no stone unturned. So if a casino is listed in our ‘Best 7' then you can trust that it's there for a good reason.

Choose Your Own Best Online Casinos UK

You've heard our criteria, but you also have the chance to choose based on your own criteria. Just edit the filter below so it suits your requirements and we'll present you with the best casinos that meet your needs.

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LEGAL Online Casinos in the UK – How do I Know?

We want to make something really clear to you as a UK casino player. When you visit a new online casino, please make sure that it is licenced by the UK Gambling Commission. It's easy to know this as each casino has to display the logo of the UKGC on their site (usually in the footer at the bottom).

The UKGC is the body that grants licences to casinos and betting sites that want to accept wagers from players in the UK. They regulate the market and ensure that the best online casino UK are being held to account.

Thankfully, this means you can play at any of these casinos with trust and belief that your interests are being protected.

If a casino isn't licenced by the UK, this means that they should not be taking wagers from UK customers. Therefore, if you come across one, avoid it and find somewhere else to play – there's plenty of choice after all.

LeoVegas Casino – Leading the Way in the UK

Heralded for their mobile casino product and backing it up with a great online casino, it's easy to see why many consider LeoVegas one of the best online casinos UK. They offer a great range of slots and table games across multiple software providers.

Whilst the UK wasn't their initial focus, having a huge presence in Scandinavia, they've really come into their own now. Strong promotions for new customers which have transparent T&Cs and a focus on responsible gambling have really helped their cause.

Operator Bonus Link
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Casumo Casino – All About the User Experience

Casumo pulls ahead of the competition in terms of brand design, but they also do exceptionally well with user experience? The games selection is a balanced mixture of NetEnt, WMS, Greentube, and SGI. This gives you, the customer, plenty of choice of brilliant slots.

New players can be boosted by way of numerous deposit bonuses, whilst the customer support team is one of the friendliest and most professional around. Casumo rivals the bar setters of the online gambling industry in many aspects.

Operator Bonus Link
Casumo Casino Review Casumo Casino Review 100% bonus up to £300 + 20 free spins Play

888Casino – a Giant in the UK Online Casino World

888Casino resonates well among experienced casino players. The brand is one of the world’s largest, and players can feel right at home whilst gaming with optimum customer service.

What’s in it for you as a new player? There's plenty of promotions and 888Casino bonuses on offer, they have really solid payment methods and, most importantly, their game selection is huge. Enjoy!

Operator Bonus Link
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+ 100% up to £100 1st Deposit Bonus
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32Red Casino – A Major UK Casino Brand

32Red is an established UK brand. The casino is the first choice for a number of experienced players, whilst still continuing to bring in newer players. They advocate fair play, put an emphasis on quality and take care of their customers.

32Red provides consistent quality, especially to players who look to spend a significant amount of time at this casino. There's a great welcome bonus that comes with fair wagering requirements. Most importantly, these can be completed on a variety of games supplied by Microgaming.

Operator Bonus Link
32Red Casino Review 32Red Casino Review £32 for every £10 deposit
- up to £160
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Unibet Casino

Unibet Casino is yet another globally renowned casino brand on offer to UK casino players. They established themselves in 1997, maintaining a consistent presence on the market ever since. The casino will impress you via the smooth website and mobile app.

The casino is a gaming haven for players who like to stick around for a good selection of bonuses, promotions, and games, as well as slots tournaments. This is why we rate think they're in the running for best online casino UK.

Operator Bonus Link
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Old Boys vs the New School – Best Online Casinos UK

Over recent years there's been a new breed of online casino to hit the market and UK casino players should be over the moon. Offering a digital-first, and often mobile-first experience, these casinos have been built with the modern player in mind. User-experience, seamless design, and amazing game hubs all feature highly.

That doesn't mean that the old guard isn't doing a decent job. In fact, you can still find solid online casino products at the big boys of betting – the Unibets and bet365s for example. Thankfully, the newest of the best online casinos UK are really driving older and more traditional casinos to up their game and provide a truly great service to players.

Best 3 New Online Casinos in the UK

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Casumo Casino Review Casumo Casino Review 100% bonus up to £300 + 20 free spins Play
Casino Room Review Casino Room Review Up to a maximum of £1200 + 10 FS Play

The Best Casinos Offer the Best Casino Games

Without trying to state the obvious, if an online casino doesn't have great casino games and online slots then it's probably not one of the best online casinos UK. Long gone are the days where there was only a handful of games to play too. Now, you have the chance to play any style of slot you want, from any number of software providers.

The Most Popular Software Providers for UK Players

There are some very obvious big players when it comes to games providers, but there are also so many smaller and more-niche providers who are really starting to compete. In the UK, some of the best online casino software providers are:

  • NetEnt
  • Microgaming
  • GreenTube
  • Evolution
  • IGT
  • Playtech
  • BetSoft
  • Yggdrasil
  • Play'n'Go
  • NYX

The Best Online Slots at the Best Online Casinos UK

With new game releases constantly, there are online slots covering every genre possible from superheroes to cartoons, from crime to unicorns. There is something out there for everybody.

The best online casinos UK will offer the most popular slots. The all play well, offer excellent bonus rounds and bonus spins, have good payout rates and offer the player an experience more than anything else. Ultimately they're fun to play casually.

From standard slots, to the best progressive jackpots in the UK, some of the most popular games are:

  • Book of Dead
  • Buffalo Rising
  • Starburst
  • Bonanza
  • Immortal Romance
  • Mega Millions
  • Mega Fortune
  • Genie Jackpots MegaWays
  • Rainbow Riches OGS
  • Gonzo's Quest
  • Jack and the Beanstalk

The Best Live Casinos in the UK

Standard slots or table games just aren't enough these days either. To be one of the best online casinos UK, you also need to provide players with a live casino solution. Often delivered by Evolution games, but with more providers such as NetEnt Live coming into the market, UK players are in a good place.

The most popular live casino games are blackjack and roulette as it really makes the experience feel more authentic. There are often even Live Casino bonuses available such as this great one from Betfair.

Operator Bonus Link
Betfair Casino Betfair Casino Live Casino: Up to £400 OR
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AND 25 Free Spins upon Registration
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Mobile Casinos in the UK – Which is the Best?

It's not enough to just offer a desktop experience. UK players want to play wherever they please and they need exceptional mobile casinos in order to do so.

There are new online casinos in the UK that have set up to be mobile-first products. Thankfully most other online casinos have seen sense and developed solid mobile casino apps and mobile websites.

For mobile players, the best online casinos UK ensure that usability remains key, whilst still offering all the essential functionality and features that players expect. Our favourite mobile casinos are:

Operator Bonus Link
LeoVegas Review LeoVegas Review Up to £400 in bonus money Play
888casino Review 888casino Review £1500 bonus
OR £88 No Deposit Bonus
+ 100% up to £100 1st Deposit Bonus
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Casumo Casino Review Casumo Casino Review 100% bonus up to £300 + 20 free spins Play
Rizk Casino Review Rizk Casino Review 100% up to £100 Play

The Best Bonuses for UK Players

We cover online casino bonuses in great detail throughout this website, making sure you have the best information possible.

There are welcome bonuses for new customers, deposit bonuses, no deposit bonuses, and reload bonuses for existing customers. Then, there are free spins and bonus spins available to loyal customers and VIP bonuses to the really high rollers. There isn't an online casino around that doesn't have a bonus or promotion of some sort.

Welcome Bonuses at the Best Online Casinos UK

Welcome bonuses are the bread and butter of any online casino. It's their way to bring you to the casino and to show you what they can offer. There are so many different types, although the clear favourite is surely the matched deposit bonus. Other welcome bonus mechanics on offer include:

  1. Matched Deposit Bonuses
  2. No Deposit Bonuses
  3. Free Spins
  4. Buy-in Bonuses

Casino Deal's 3 Best Online Casino UK Welcome Bonuses

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William Hill Casino Review William Hill Casino Review 100% Buy-in Bonus
up to £300
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LeoVegas Review LeoVegas Review Up to £400 in bonus money Play
Bet365 Casino Review Bet365 Casino Review New Player Bonus
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No Deposit Bonuses – a Rare But Brilliant Promotion

The fabled No Deposit Bonus is what all online casino players are after ideally, but these days it's a pretty rare occurrence.

With the casinos cracking down on bonus hunting, and the UKGC cracking down on false and poor advertising in the casino world, they were never going to last.

However, when done right, they're still a really strong bonus mechanic. It gives you the chance to play without depositing. However, the downside is the bonus terms and conditions will be much stronger with really high wagering requirements.

Free Spins – Try the Best Casino Games with them

Whilst a true no deposit bonus is hard to find, you can still find plenty of the best online casino UK offering both Free Spins and Bonus Spins. These are normally spins to be used on a specific game or games which give you a taste of the online casino.

They may be an existing customer perk or could even be offered as part of a welcome bonus package. All we know is that they are a great way to try the best casino slots out.

The Best Payment Methods for UK Online Casino Players

A hugely important factor when choosing a new casino is which payment methods they have to offer. Interestingly, most casinos are really different when it comes to depositing and withdrawing. Some offer eWallets such as PayPal and Skrill whilst others don't. Some have pre-paid cards such as Paysafecard whilst pretty much online casino offers debit and credit card deposits for UK customers.

UK PayPal Casinos

By far one of the most popular payment methods in the UK and it's understandable why. A safe and secure platform, where you can deposit instantly and withdraw at speed, all whilst not having to give your bank details to the casino. You can see why people love PayPal online casinos and here are two of our favourites.

Operator Bonus Link
LeoVegas Review LeoVegas Review Up to £400 in bonus money Play
888casino Review 888casino Review £1500 bonus
OR £88 No Deposit Bonus
+ 100% up to £100 1st Deposit Bonus
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Skrill and Neteller Casinos UK

Much like PayPal, Skrill and Neteller are two more excellent eWallet solutions. Also secure and trusted, they making depositing at an online casino super easy. They're really popular options amongst UK players. However, one thing to continue is that some online casinos won't let you take advantage of promotions if you deposit via Neteller or Skrill. That said, one of the best online casinos that accept Skrill and Neteller is below.

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Bet365 Casino Review Bet365 Casino Review New Player Bonus
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Paysafecard UK Online Casinos

An interesting format and one that's become popular at the best online casinos UK, especially amongst more casual casino players. A prepaid card where you must buy a voucher from a retail store and then use the 16 digit pin to deposit and withdraw. It's got low limits, isn't tied to your bank, is secure, and, most importantly, has an app backup so you can't lose your pins. One of our favourite Paysafecard online casinos in the UK is below.

Operator Bonus Link
Casumo Casino Review Casumo Casino Review 100% bonus up to £300 + 20 free spins Play

Debit Card and Credit Cards for Online Casinos in the UK

Whilst there is the downside of having your bank card details linked to your casino account, the ease and familiarity makes debit and credit card payments such a popular choice. Nearly everybody has a debit card and online casinos have made it much easier to go through the process of depositing and withdrawing via this method.

The Best Online Casinos UK Should Offer Amazing Customer Support

Strong customer support options are critical for a casino to be considered the best online casino UK. The best casinos have a proven track record of speedy and attentive service, alongside multiple avenues of support such as email, telephone and, most importantly, 24/7 live chat.

Maintaining your happiness, keeping you informed and engaged should be the number one priority of any UK casino.

Outside of the above options, any great casino should have a strong FAQ or help section. If a casino has this, it means they've had the foresight to answer your issues before you've even realised they're an issue. Helpful, informative, and succinct, allowing you to get on and play your favourite online casino games.

Full List of the Best Online Casinos UK

Now you have all the information you need about the best online casino UK, here you can find a full list of the legal, licenced and best online casinos UK.

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William Hill Casino Review William Hill Casino Review 100% Buy-in Bonus
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Bet365 Casino Review Bet365 Casino Review New Player Bonus
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888casino Review 888casino Review £1500 bonus
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Betfair Casino Betfair Casino Live Casino: Up to £400 OR
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AND 25 Free Spins upon Registration
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32Red Casino Review 32Red Casino Review £32 for every £10 deposit
- up to £160
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Mr Green Casino Review Mr Green Casino Review Up to £100
+ 200 Bonus Spins
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BetVictor Casino Review BetVictor Casino Review Wager £10 Get £50 Play
Betway Casino Review Betway Casino Review Up to £1000 Welcome Bonus Package Play
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Best Online Casinos UK – FAQS

Yes, gambling at online casinos in the UK is Legal if you're a UK citizen. However, in order for online casinos to accept UK players, it must possess a licence from the UK Gambling Commission and pass strict Gambling Commission regulations.

The best online casinos UK will offer welcome bonuses to its customers, along with ongoing promotions. These may come in the form of bonus spins, matched deposit bonuses or no deposit bonuses. They always come with significant terms and conditions attached though, so make sure you read the small print.
Simply, the best online casino is the brand that meets your needs in the best way. Generally speaking this will mean an online casino that offers a great product, strong bonuses and promotions, a large array of casino game choice and plenty of payment methods.