UK Online Casinos

What are the best online casinos for UK players? We've put together 12 of the best new online casinos for 2021

Best Online Casinos (2021)

Best Online Casinos (2021)

What are the best UK online casinos?

It's a question punters have been asking for more than 2 decades! And the short answer is, there are bucket loads of excellent online casinos focussed on the UK market.

We list them all below. Each of the online casinos we reviewed had to meet a set of strict criteria before they made it in. And what's more, we're constantly on the look out for better casinos for our visitors every day.

New online UK casinos are being launched all the time, and tech moves at lightning pace, so nothing stays the same forever and no one casino gets to claim the title of the UK's best for too long.

Luckily our list below is fresh and up to date for 2021. Plus, we add new and remove old casinos all the time, so bookmark this page as it doesn't sit still for long! We have searched high and low across the Internet, worked day and night (tirelessly) to bring you, what we at Roger.com, are currently rating as the best UK online casinos for 2021.

Finding the best UK online casinos

So where do you start? Everyone will have their own opinions of what's important for them when they choose a casino at which to play. We've outlined what is important to look for and based our results on these criteria. In a nutshell we rate our casinos based on our own experience of them plus the following key items:

Cross device compatibility of the casino and the games available

Some online casinos look beautiful when displayed on a big monitor or tablet, but fall apart when they're viewed on a smaller mobile device.

There's nothing more annoying than having to battle with fiddly functionality when you're trying to sign-up, login, browse, deposit, withdraw and especially play an online casino game.

If we experienced embuggerance whilst using an online casino on our mobile phones (mobile web sites not native apps) then that casino simply didn't make the below list.

Genesis (group) currently offer what we think are the best built casinos for desktop and mobile experience. Some of their brands include Kassu, Casino Lab and Casoola.

Their themes are fun and lightweight, choice of games comes in at more than 1,300, with more being added all the time. Plus the welcome bonuses on offer at these casinos are designed to be some of the best available to the UK market.

A large number of online casinos offer ‘native apps' that you can download from the App Store and Google Play. However, we found in many cases that the apps are simply a PWA, effectively the casino's website within an app wrapper. Therefore the experience wasn't much better than it would have been at the mobile website. We are generally in favour of a beautiful mobile friendly web app over a potentially intrusive smart phone native app.

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The number of games on offer

There are a ton of fantastic award winning game developers that continuously release new games (casino, slots and bingo). These guys are battling to create the best experience for the online player and this will come in many forms.

For example, graphics and soundtrack, game design, playability, game theme, potential winnings, licencing and regulation. Let's face it, very little in life comes close to the rush you get when you know you're about to hit a big win on a slot machine, and these developers are making that experience more and more thrilling all the time.

Classic online casino games are also getting much better and exciting. Not so long ago it was easy to get bored at a casino table game. As in, within minutes you'd find yourself looking for something else to play.

But the classic casino options are now streets ahead of what they used to be. Game developers have managed to make vast improvements to gameplay, functionality and, believe it or not, ambience too. Plus with the introduction of bet multipliers you can find yourself seeing some very big wins.

Ideally you want to join an online casino that offers a large selection of new games and old favourites, from a selection of the best game developers. NetEnt, Play'n GO, Evolution Gaming, Quickspin and Thunderkick to name a few.

However, look out for InTouch Gaming who are a UK based company with a suite of online casino brands. They build all of their games in-house, and whilst the choice is smaller than lots of other casinos, the quality of games is excellent as are the no deposit bonuses on offer with them.

In our experience, once you have a handful of casinos games and online slot games that you're happy with, you tend to stick with them. Familiarity of a game is likely to improve your chances of winning. That being said, however, sometimes a huge new game release comes along that simply has to be checked out!

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Live casino options at online casinos in the UK

Talking about ambience, live casino is fast becoming a big thing, again as technology improves and internet speeds allow faster, better connections, live casino is beginning to emulate a real life casino experience (okay minus the buzz of sitting at a table next to strangers and getting free drinks brought to you). Nonetheless, from where we were 10 or even 5 years ago, the live casino experience is 100x better now.

Make sure your online casino of choice offers live casino options. If you've never played at a live casino it can be a bit strange at first, but you'll get used to it in no time.

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Online casinos UK player ratings

Nobody knows better than the player themselves whether or not an online casino is any good. We've sampled loads ourselves and had good experiences and bad experiences. We wouldn't recommend a casino to you that we thought wasn't cutting the mustard. In fact we are pretty picky about which casinos we feature.

Another cross check we perform is reading through real player ratings of online casinos (syphoning out the old ‘fakes' and assessing the genuine ones). A skill that takes time to develop! If we read a load of bad reviews about a certain online casino then that's good enough for us. They won't make the list of the best.

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Ease and choice of deposit and withdrawal methods

This is something that's become better and better in the UK. Strict regulation has forced online casino operators to be very careful with which deposit methods they accept and which ones they don't. For example you can not make a deposit at a UK based online casino anymore using a credit card. Debit cards and e-wallets are the norm now and rightly so. Bank transfers are also accepted but these can take more time to process.

When it comes to withdrawing your winnings this can vary. Some casinos pay out immediately (within an hour) and others can take up to 3 days. There are often restrictions on how much you can withdraw per day and sometimes a small fee or charge will be applied too. All in all, the online casinos featured below will pay all winnings out within 3 days.

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Licencing and regulation bodies

The UK has, by a long shot, the most established online gambling regulatory body in the world. Whilst much of the world has been burying its head in the sand and pretending that online casinos and sports betting sites don't exist, the UK has stepped up to the mark and created some of the most stringent regulations.

This is a great thing, gambling and betting is supposed to be fun. It's a past time that millions of people enjoy, so rather than allow the industry to get out of control the UK Gambling Commission has taken a tough stance on player safety, and in turn created a well regulated and fun environment. All of our featured online UK casinos have received licences from the UK Gambling Commission.

Malta is another centre for regulating online casinos, especially for the rest of Europe. Whilst a Maltese licence in itself isn't enough to allow an online casino to market itself to the UK, it is a good indicator that the casino is responsible and regulated to a high degree.

Customer service

Generally speaking online casinos UK customer service has come on leaps and bounds over the last few years. In particular since the UK Gambling Commission has started to enforce stringent standards within the industry. Many big names UK casinos, and in particular the ones featured below offer multiple ways of getting in touch with them.

Most online casinos now offer live chat, either by way of via their own platforms or using services like Facebook Messenger. Email and telephone support is also available, some online casinos offer this during UK working hours, others from about 9 am to 1 am (UK) time and a few 24 hours a day.

FAQ sections on their websites is becoming much better too. In fact, there is very little that you won't find in terms of answers to the questions you're most likely to have regarding bonuses, deposits, withdrawals, winnings, etc.

What types of games are you looking for?

Some online casinos are specialised in classic casino games such as roulette, blackjack, keno and poker. Whilst others are heavily weighted towards slots. When we say slots we don't just mean your bog standard one arm bandit types, or pub style fruit machines. We're talking about state of the art, modern day, themed in all kinds of ways video slots. And they're highly entertaining. Plus the winnings can be huge. Try 100,000x your stake for some. 50,000x and 25,000x your stake being pretty standard. That means that in one spin you could win literally hundreds of thousands of pounds back.

Best UK casino welcome bonuses and promo codes

Now, this is where it gets interesting. You want to be looking for an online casino that offers loads of classic casino games, slots and live casino, but you also want to ensure that it's worth your while signing up to one. By that we mean what's on offer? What are the promos, free spins, no deposit options, wagering requirements. If you have a big win how long will it take you to get your money and will there be a withdrawal fee.

We've written an entire article on the 12 best no deposit and low deposit casinos in the UK where we focus on UK focussed casinos offering new players no deposit bonuses. This means that you get to try out a casino before you deposit any of your hard earned money. It's a good way to get a feel for an operator and at the same time play some slots and casinos games for free (following age verification).

The only downside is that no deposit casinos don't offer the biggest of welcome offers. You'd be lucky to get say 20 free spins and £20 to play with. Plus the wagering more often than not isn't that great.

We recommend spending a tenner somewhere, which is usually the minimum required deposit amount, and benefiting from bigger and better sign up offers. Such as 100-150% deposit match bonuses, plus more in the region of 200 or 300 free spins. Wagering requirements will be less too, meaning that you can withdraw bonus winnings without having to wager as much as you would a £0 no deposit casino.

Ongoing promotions for existing players

A major gripe of the seasoned online casino player is that once you've used your welcome bonus that's it. No more freebies and being looked after. However, this isn't the case nowadays. Almost all UK online casinos run regular promos and bonuses for existing players. It's just like being in a land based casino. If you're a regular they're going to look after you!

The best online casinos in the UK give away millions of pounds worth of offers each month to their players. Sometimes these come in the form of deposit match bonuses, free spins and

You'd be surprised to know how willing most UK online casinos are to dish out free spins and bonuses just for asking. Give it a go, contact customer services and ask them if they're running any promos. Bet they are!

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12 of the best online UK casinos in 2021

So, here we go. A shortlist of what we currently think are the 12 best casinos available to (and specifically built for) UK players. Results are based on which contenders met the above criteria.

#1 Kassu Casino

Kassu Casino Screenshot
Current Kassu promo: 100% deposit match bonus plus a mega 300 free spins (claim this offer now). Wagering requirements and minimum deposit of £10 apply.

#2 Bonus Boss Casino

Bonus Boss Casino Screenshot
Current Bonus Boss promo: 300% deposit match bonus and 100 free spins + 20 no deposit free spins! (claim this offer now). Wagering requirements apply. No deposit required 🎉

#3 Mr Spin

Mr Spin Screenshot
Current Mr Spin promo: 50 free spins (no deposit) and 100% up to £100 (claim this offer now). Wagering requirements apply. No deposit required 🎉

#4 Play Frank

Play Frank Screenshot
Current Play Frank promo: 100% deposit match up to £100 and 50 free Starburst spins (claim this offer now). Wagering requirements and minimum deposit of £10 apply.

#5 Casino Lab

Casino Lab Screenshot
Current Casino Lab promo: 100% deposit match up to £100 and 300 free spins (claim this offer now). Wagering requirements and minimum deposit of £10 apply.

#6 Gala Spins

Gala Spins Screenshot
Current Gala Spins promo: Deposit £10, get £20 and 30 free spins (claim this offer now). Wagering requirements and minimum deposit of £10 apply.

#7 The Sun Vegas

The Sun Vegas Screenshot
Current Sun Vegas promo: 100% deposit match bonus up to £300 and 20 free spins (claim this offer now). Wagering requirements and minimum deposit of £10 apply.

#8 Cashmo Casino

Cashmo Casino Screenshot
Current Cashmo Casino promo: Total of £500 deposit match (100%) and 150 free spins (claim this offer now). Wagering requirements apply. No deposit required 🎉

#9 Casino 2020

Casino 2020 Screenshot
Current Casino 2020 promo: 30 no deposit free spins and £300 deposit match + 400 free spins (claim this offer now). Wagering requirements apply. No deposit required 🎉

#10 Fairground Slots

Fairground Slots Screenshot
Current Fairground Slots promo: Win 500 free spins on Fluffy Favourites Playground (claim this offer now). Wagering requirements and minimum deposit of £10 apply.

#11 Casino Planet

Casino Planet Screenshot
Current Casino Planet promo: 100% up to £100 and 200 Free Spins (claim this offer now). Wagering requirements and minimum deposit of £10 apply.

#12 BGO

Bgo Casino Screenshot
Current bgo Casino promo: Win up to 500 free spins on the Mega Wheel (claim this offer now). Wagering requirements and minimum deposit of £10 apply.

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