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Check our list and find the best online slots sites in the UK ranked for game variety, RTPs, bonuses for slot players and overall fairness.

Best UK Online Slots Sites for 2022 – UK’s Top Real Money Slots (High RTPs, Great Graphics & More)

Brits have always been big on slots, with more than enough crowded casino halls to support that claim. 

But if you’re feeling tired from all the 7’s (those bloody 7’s that never show up) or you’re simply a newbie looking for the best online slots — we’re here to help. 

We’ve reviewed the top slot sites featuring immersive graphics and online slots with more bonus rounds, multipliers, and features than what you’d typically find at land-based casinos.

Based on our testing process, All British Casino is the best slots site in the UK with its extensive game catalogue, 24/7 support, and top-quality slot machines by famous game developers. 

But we have as many as 19 more slots sites for you to check out, so let’s not waste any more time.

Best Online Slots in the UK

1. All British Casino (Spinsane) – Best UK Slot Site Overall

18+. New players only. Up to £100 bonus credit. 35x wagering requirement. 30 days validity period. £100 max withdrawal amount. Note that the full T&Cs apply.

Pros:

  • Up to £100 welcome bonus
  • 24/7 customer support
  • Low minimum deposit
  • Mobile slots app available
  • Great Slingo selection
  • 600+ top-quality online slots

Cons:

  • No fun or demo play
  • Cluttered casino homepage

All British Casino has been in the industry for over eight years — just enough time to become one of the best slot sites in the United Kingdom. It holds a license from the UK Gambling Commission, making it a legit and trusted casino site for UK casino players.

Game Selection and Variety – 4.5 / 5

All British Casino offers over 600 casino games with plenty of slot games that you can choose from. Most of the slot games you can find on this site and app are from software providers like NetEnt, Big Time Gaming, and more.

You can spin the reels on many casino classics here, including Something Fruity, 777 Action, and Mighty Hot Wilds, but also dive into some of the highest-paying jackpots the industry has to offer.

Aside from slot machines, All British Casino also offers other fun real money games like Slingo (bingo + slots), roulette, blackjack, and live casino games.

Bonuses and Rewards – 4.2 / 5

New players at All British Casino can get a 100% welcome bonus of up to £100. After this, you can get a 10% cashback on all your next deposits. To redeem this offer, use the code WELCOME100 when making your first deposit.

The minimum deposit amount to get this welcome bonus is £20. It is also the minimum amount to get the 10% cashback on your subsequent deposits. These are the only promotions available at the site, and the wagering requirement for both is 35x.

Mobile Compatibility and User Interface – 4.5 / 5

The All British Casino website is pretty straightforward. However, the homepage of the site is a bit cluttered.

We like that you can easily search for a game title or browse through the casino’s gaming catalogue by software providers. At the bottom of the page, you can also select a game based on categories like “Book Of” games or “Movie & Shows.”

Deposit and Withdrawal Options – 4.3 / 5

There are a few payment options to make your first deposit at All British Casino. Here are some of them:

  • MasterCard and Visa
  • Trustly
  • Skrill
  • Neteller
  • Paysafecard

All deposit options are free of charge and will be processed immediately. The minimum deposit amount is only £10, but remember that you can only qualify for bonuses if you deposit at least £20.

Whatever method you choose, the withdrawal processing time takes one workday. The casino also doesn’t charge any withdrawal fees. The minimum withdrawal amount is £20.

Customer Support – 4.8 / 5

We like that All British Casino offers convenient ways for you to get a hold of their support team for queries or concerns. You can call them, send them an email, or get in touch via live chat.

The best way to reach them is via live chat that is available once you’re logged in to your account on the website or the app — you can’t use it as a guest.

Get started at Britain’s best slot site and claim £100 on your first deposit.

2. Casushi (Divine Fortune) – Best Progressive Jackpots of all UK Online Slot Sites

18+. New, ID Verified players only. Up to £50 bonus credit. 40x wagering requirement. 30 days bonus amount expiry and 48 hours for bonus spins. £250 max withdrawal. Note that the full T&Cs apply.

Pros:

  • 1,000+ online slot games
  • Daily prize drops
  • 50 Bonus spins on your first deposit
  • 40+ live dealer tables

Cons:

  • No mobile app
  • No phone support

Casushi is a new online casino in the UK managed by Dazzletag Entertainment LTD. This is the same company behind other successful UK online casinos frequented by thousands of players daily. 

At the moment, this is still an exclusive site for online players in the UK, so take note of this if you travel and want to play slots online outside the country.

Game Selection and Variety – 4.8 / 5

There are over 1,000 games available at this casino and the majority of them are online slots. Some casino software providers on board include Blueprint Gaming, NetEnt, Yggdrasil, Microgaming, and Red Tiger.

And since most of the casino games available on the site are slot machines, you can easily find some of the best online slots games here, such as Book of Dead, Legacy of Dead, and Wild West Gold Megaways.

The progressive jackpot selection is especially varied, with a handful of games featuring millions of pounds in jackpots. Some of the most popular are Divine Fortune (our favourite) and Sisters of Oz.

While the casino’s game catalogue mainly has slot machines, you can still play other table games, including roulette, poker, video slots, video poker, and blackjack. Not to mention, live casino games too.

Bonuses and Rewards – 4 / 5

New UK casino players at Casushi will get a 100% welcome bonus of up to £50 and 50 bonus spins. No code is needed, as this will be automatically credited to your account after you make a deposit. The min deposit amount to qualify for this bonus is £10.

The 50 bonus spins will be added to your account in three daily increments – 30 upon deposit, 10 after 24 hours, and another 10 after 48 hours from the first deposit. The wagering requirement is 40x, which is pretty high, so it may take some time to complete this.

Aside from the welcome bonus, Casushi also offers daily Drops & Wins. In addition, you can qualify to win a daily cash prize if you play at the casino’s weekly slot tournaments on slots and live casino.

Mobile Compatibility and User Interface – 4 / 5

Casushi is a very colourful online casino with neon details, which can be attractive and lively to many. Moreover, navigating is intuitive and you can easily find games based on category. 

However, since the site has over a thousand games, it would have been helpful to have filters or have the option to browse by software providers. 

No worries, though. You can still search games by title if you have any in mind. We also like that you can already set your deposit limit as soon as you sign up on the site.

Deposit and Withdrawal Options – 4.3 / 5

This online casino offers convenient payment methods for deposits and withdrawals. Here are all the options available for both transactions:

  • MasterCard and Visa
  • PayPal
  • Skrill
  • Neteller
  • Trustly

Note that the minimum deposit amount for any payment method is £10. Meanwhile, the minimum withdrawal amount is also £10. 

Additionally, the withdrawal will usually be processed to the payment method you used to make a deposit unless you used Trustly. If that is the case, your payout will be issued via bank transfer.

Customer Support – 4.2 / 5

Casushi only has an online-support customer service team — they don’t have a phone number you can call. However, the live chat option is available 24/7 for queries and concerns, which is pretty much all you need.

You can also send them an email, but keep in mind that you’ll need to wait for around 24 hours before you get a reply.

Check out the best progressive jackpots in the United Kingdom at Casushi

3. Casumo (Bust the Bank) – Best for Mobile Slots in the UK

18+. New, ID verified players only. Up to £25 bonus credit and bonus spins. Max bet £5 per spin or £0.50 per bet line. 30x wagering requirement. 30 days expiry. £100 max withdrawal. Note that the full T&Cs apply.

Pros:

  • Over 2,400 slot games
  • Daily slots races
  • Fair bonus terms
  • Superb mobile gameplay
  • Earn points and get rewards

Cons:

  • No phone support
  • Fees for low payout requests

Casumo has been online since 2012 and it has always been an innovative online casino and sports betting site. The Casumo site alone tells you that it’s a modern online casino, so you can expect a thrilling and fun gaming experience.

Game Selection and Variety – 4.8 / 5

You can play over 2,400 slot games at Casumo from reputable casino software providers like NetEnt, Play’n Go, and Thunderkick.

Popular slots titles like Book of Dead, Reactoonz, Dead or Alive, and 100 Joker Staxx are available on this site. Besides slot machine games, you can also enjoy progressive jackpot slots, other table games, and live casino games here (over 100!).

Casumo also offers sports betting, making it a one-stop shop for all your gambling activities. 

Bonuses and Rewards – 4 / 5

As a welcome offer, new players can enjoy a 100% bonus of up to £25 and 20 bonus spins on Sahara Riches Cash Collect. Bonus opt-in is required and the min deposit amount is £10 to get the welcome offer.

The offer expires in 30 days, which gives you plenty of time to meet the fair 30x rollover requirements. 

Mobile Compatibility and User Interface – 4.5 / 5

Casumo features a modern-looking website that is easy to navigate. From the sidebar menu, you can access the casino, live casino, and sportsbook. 

You can also search for game titles and casino providers, which is handy since the site has over 2,600 games to choose from.

While this online casino is considered one of the best mobile slot sites, you still have the option to download the Casumo app from the official site. However, you will only see the option to download the app on iOS and Android if you access the official site with your mobile device.

Deposit and Withdrawal Options – 4.5 / 5

You can use MasterCard, Visa Card, Skrill, Neteller, Paysafe, MuchBetter, Instant Banking, Pay by Mobile, or PayPal to deposit. 

Casumo charges no fees for any deposits and withdrawals above £10. However, withdrawals under £10 will incur a fee of £3.

Customer Support – 4.5 / 5

The best way to reach a Casumo representative is by live chat. This option is available 24/7, but you can also email them directly for more serious issues. 

Play the best mobile slots at Casumo

4. PlayOJO (Lucky Nuggets) – Best Slot Selection of all UK Slots Sites

18+. New players only. Get 50 deposit bonus spins credited to your account. No wagering requirement. The minimum deposit is £10. Note that the full T&Cs apply.

Pros:

  • 3,000+ online slots
  • Deposit bonus with no wagering requirements
  • Mobile slots app
  • Generous giveaways

Cons:

  • Some payment methods carry deposit fees
  • Live chat is not available 24/7

PlayOJO has been online since 2017 and it’s one of the most trusted and fair casino slot sites you can find in the UK. Including them on our list of the top 5 best slot sites in the UK came naturally. 

What’s more, this UK casino offers bonuses with no wagering requirements. That’s something we rarely see from online casino sites these days, so it’s worth giving a shot.

Game Selection and Variety – 4.8 / 5

PlayOJO has one of the biggest slot game catalogues with over 3,000 unique titles. 

You can be sure that all the games here are fair and square, thanks to PlayOJO’s reputable software providers, such as Thunderkick, Red Tiger, NetGen Gaming, NetEnt, Better Gaming, and Pragmatic Play. 

Some slot games you can play here include Wild Link Cleopatra, Knight Rider, Dead or Alive, and Slingo Super Spin. Our favourite of the many we’ve tried has to be Lucky Nuggets. 

Additionally, PlayOJO also has progressive jackpot slots to choose from.

Bonuses and Rewards – 4.5 / 5

If it’s your first time playing and making a deposit at PlayOJO, you’re qualified to get 50 bonus spins on the famous slot game Book of Dead. 

The extra spins you’ll get are valued at £0.10 each. The best part? They have no wagering requirement. This means that whatever you win from these bonus spins is all yours.

Aside from the extra spins credited to your account, PlayOJO also offers other promos from time to time. Usually, this slot site features giveaways that you can qualify for by playing online slots and other qualifying games, so make sure to stay up-to-date on their site to redeem them all.

Mobile Compatibility and User Interface – 4.3 / 5

We really like that PlayOJO has a neat and intuitive website design. It’s easy to navigate through the site despite offering over 3,000 games in total. The casino pages are also easily accessible with quick loading speeds.

You can also lookup games with the site’s search function. In addition, you can filter them based on game providers, so if you have any favourite slot game providers, this is a feature you’ll very much appreciate.

Deposit and Withdrawal Options – 4.5 / 5

PlayOJO has 5 accepted payment methods for UK players, including:

  • MasterCard
  • Visa
  • PayPal
  • Trustly
  • Bank Transfer

Most payment methods are fee-free, but some may carry a deposit fee, depending on your deposit amount. To see the costs, you’ll need to log in to your account and go to the cashier section.

The minimum deposit for any payment option is only £10, and there is no minimum withdrawal amount required. So, even if you want to withdraw £3, PlayOJO will allow it.

Customer Support – 4 / 5

There are two ways to get in touch with PlayOJO’s support team, either by emailing them or via live chat. However, you should note that the support team is available from 6:00 to 12 GMT.

Claim 50 bonus spins with zero wagering requirements at PlayOJO by using this link

5. Mr Play (Cash or Nothing) – Best British Online Slot Site for Bonuses

18+. New players only. Up to £200 bonus credit. 35x wagering requirement. 24-hour expiry on bonus spins. Spins credited 20 per day. Note that the full T&Cs apply.

Pros:

  • Up to £200 welcome offer +100 bonus spins
  • Over 1,000 slot games
  • New slots are constantly introduced

Cons:

  • Live chat support is not available 24/7
  • No progressive jackpots slots

Mr Play takes our 5th spot with over 1,000 slots games and a fantastic welcome offer of 100% up to £200 and 100 bonus spins.

Game Selection and Variety – 4 / 5

Mr Play has over 1,000 real money slot machine games you can choose from with a strong focus on classics and new games.

This UK casino works with a few big casino software providers, such as NetEnt, Play’n Go, Blueprint Gaming, Neogames, and Big Time Gaming.

NetEnt alone is known for its excellent casino slots, so you’ll find popular NetEnt titles here like Codex of Fortune, Starburst, and Fruit Shop.

Aside from a huge slot gaming catalogue, you can also play live dealer games here and buy online scratchcards. And if you enjoy placing an occasional sports bet, Mr Play has a whole separate section for UK punters to take advantage of.

Bonuses and Rewards – 4 / 5

Unlike the other better-ranked casino slots sites listed here, Mr Play is the only one that offers a welcome package bonus. This welcome package includes the following deposit bonuses:

  • 1st deposit – 100% deposit bonus up to £50
  • 2nd deposit – 50%  deposit bonus up to £75
  • 3rd deposit – 50% deposit bonus up to £75

In total, you can get a £200 welcome bonus on your first three deposits as a new player at the Mr Play online slots casino. What makes it even better is that you also get 100 bonus spins on top of it. 

These bonus spins will be credited to your account daily – meaning you’ll get 20 extra spins daily in the next five days. However, use the 20 spins right away because they expire within 24 hours.

The wagering requirement for each deposit bonus is 35x, and the bonus cash amount you get is only good for 21 days, which is a fair amount of time to meet the terms.

Overall, this is a pretty solid deal as you can easily meet the 35x rollover if you get a lucky streak. 

Mobile Compatibility and User Interface – 4.3 / 5

Mr Play features a clean website design that is easy on the eyes. The website is pretty easy to navigate, too – which, by the way, is more important than its looks.

You can browse games by title and software providers. The casino site sidebar also makes it easy for you to access all parts of the casino, including where you can buy scratchcards and bet on sports.

You can download the Mr Play app directly from Google Play Store or the Apple App Store.

Deposit and Withdrawal Options – 3.8 / 5

The deposit methods available at Mr Play are also your options when requesting payouts (unless you use Paysafecard).

  • MasterCard and Visa
  • Trustly
  • PayPal
  • Bank Transfer
  • MuchBetter
  • Skrill
  • Paysafecard

The withdrawal time depends on your chosen method. The longest time it may take to process is up to six business days — which is a pretty longer timeframe than we’d expect to find.

Customer Support – 4 / 5

For queries or concerns, you can easily contact Mr Play’s customer support via live chat from 8:00 to 0:00 CET or by sending them an email.

Claim up to a £200 welcome package and 100 bonus spins at Mr Play

Runners-Up:

How We Chose the Best UK Slot Sites

Game Selection and Variety:

Because every player has a different taste, variety is essential when considering the best online slots sites. Our top picks feature all the popular categories — mainstream slots, movie-themed, 3-reels, 5-reels, Megaways, jackpots, classics, 3D, etc.

Oh, and if you’re looking to play some other games, check out our list of the best online casinos.

Bonuses and Rewards:

Since playing slots at UK casino sites is much more exciting with a bonus in your balance, we made sure to narrow down top slot sites featuring generous slots bonuses with fair terms.

Mobile Compatibility and User Interface:

All of our recommended UK casino sites are either optimised for instant play via your mobile browser or feature a dedicated app that you can download for an even better experience.

Deposit and Withdrawal Options:

The deposit and withdrawal options available at a UK casino site are sometimes the only factor players consider. We understand that online gambling sites are all about convenience, so we only recommended UK slot sites offering great banking flexibility to accommodate most players.

And while UK casinos are late to the crypto party, check out this list of the best Bitcoin casino sites if you’d prefer to gamble using cryptocurrencies.

Customer Support:

While we think that 24/7 support should be the standard for customer care, we know most online casinos don’t have the capacity for this just yet. What’s important here is how responsive and alert they can be when customers bring up concerns.

Guide to the Best Slots Sites in the UK

Are Online Slots Sites Legal in the UK? 

Yes, playing online slots is legal in the United Kingdom as long as you’re spinning the reels at a licensed casino. The online slots sites we’ve listed here are all regulated by the UKGC. Bottom line, as long as the casino site is licensed by the UKGC, you’re free to play on it without worrying about legitimacy.

What are the Best Casino Bonuses?

Based on this list, the UK online slot sites with the best bonuses are PlayOJO and Mr Play. PlayOJO offers 50 extra spins on Book of Dead with zero wagering requirements. Meanwhile, Mr Play gives you 100 bonus spins as part of the £200 casino welcome package.

Are Slot Games at UK Online Casino Sites Rigged?

No, online slots powered by reputable game studios and featured at licensed UK casino sites are most definitely not rigged. The UK Gambling Commission takes each casino through a series of tests, including the fairness of its games — so rest assured that the slots’ outcome is 100% random at licensed casinos.

What is an RTP Percentage in Online Slots?

The RTP percentage is the amount of money online slots pay back to players over an extended period of time. Let’s say a hundred people wagered £100,000 (combined) on a slot machine with 96% RTP.

The slot game will pay back £96,000, with a profit of £4,000 — but it will not be equally spread between the players. That’s why you have a few big winners and many losers.

What is the Best Slot Site in the UK?

Our top pick as the best online slot site in the UK is All British Casino. From a generous £100 welcome offer with an average wagering requirement to hundreds of slot machine games that you can play and 24/7 support — All British Casino has it all.

Comparing the Top 5 UK Slot Sites

All British CasinoThis is #1 on our UK casino site list for slots for multiple reasons. It has a 24/7 live chat support team that is quick to respond, offers over 600 top-quality slot machine games, and a generous welcome bonus of up to £100. You also get a 10% cashback on each of your deposits. Note that the full T&Cs apply.

CasushiCasushi is an exclusive casino site for UK players, and even though it’s still quite new, you know for sure that it’s worth trusting with the game providers this casino has on board. You can get a welcome bonus of up to £50 plus 50 bonus spins after your first deposit on this site. Note that the full T&Cs apply.

CasumoWith over 2,400 slot machine games to choose from, it’s impossible not to include Casumo on this list. New players can enjoy up to £25 as a welcome bonus and 20 extra spins on Sahara Riches Cash Collect. Note that the full T&Cs apply.

PlayOJOPlayOJO stole our hearts with its non-existent wagering requirements and a massive slots selection of over 3,000 games. You can get 50 extra spins after depositing at PlayOJO that you can use on Book of Dead. Note that the full T&Cs apply.

Mr PlayIf you intend to stick around after you make your first deposit, Mr Play might be a good choice — especially if you want a casino site that can give you a bonus on your first few deposits. You can get up to £200 on our first three deposits at Mr Play and 100 bonus spins. Note that the full T&Cs apply.

Read more about best online slots UK

How to Sign Up at Top Online Slot Sites in the UK

Signing up at a UK online casino is quick and easy. Here’s a brief guide on how to sign up at All British Casino:

1. Create an Account

  • Use this link to open All British Casino
  • Click the “Register” button
  • Type in your email address and choose your country
  • Create and confirm your account password
  • Click “Next”

2. Fill Out Your Personal Information

  • Key in your name, gender, phone number, and date of birth
  • Click “Next.”
  • Input your postcode and click “Find My Address.” Select your actual address.
  • Click “Next.”
  • Tick the boxes to agree with the terms and agreements and privacy policy.
  • Click “Register”

3. Make a Deposit and Have Fun!

  • Choose your preferred payment method
  • Fill out your financial information
  • Click the “Deposit” button, and you’re good to play slots!

Read more about best online casinos in the UK

Ready to Play at the Best Slot Sites in the UK?

Choosing the best online slots in the UK from so many options took some time, but we’re confident with our top picks and sure that you’ll enjoy each game and casino on this list. 

Based on our benchmarks, All British Casino is the best slot site you can join right now, all thanks to its slot selection filled with top-quality games and its generous welcome offer.

However, we know that many of you might have a different taste in slot games, so we advise you to check the categories we’ve assigned to each casino again to make your choice easier.

Thanks for reading, have fun playing slots online and remember to gamble responsibly!

DISCLAIMER: You probably don’t need us to tell you that any form of gambling comes with risks and should not be undertaken as a solution to solve your financial troubles. It’s worth remembering the phrase…the house always wins!

If you suffer from a gambling problem or suspect somebody you know does, then we strongly suggest that you call the National Gambling Helpline at 0808-8020-133 to talk with an advisor for help and to make gambling safer for you or your loved ones.  Remember all gambling sites and guides are 18+ only.

Casino sites listed on our site may not be available in your region. Check your local laws to ensure online gambling is available and legal where you live.  Our reviews are independent and reader-supported and we may receive commissions for recommendations made in our websites guides, this does not affect our rankings methodology and we always recommend sites we believe will provide the most enjoyable gaming experience.

Visit these organizations for free gambling addiction resources:

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