The Best UK Slots Sites in 2022 With the Highest RTPs and the Best Slot Bonuses

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The Best UK Slots Sites in 2022 With the Highest RTPs and the Best Slot Bonuses
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Slot players are spoiled for choice in the UK

Slot players are spoiled for choice in the UK; there’s just so many sites available for you to choose from. So, how do you choose the best slots sites in the UK? And more importantly, how do you know that they are completely safe to play at?

That’s where we hope to assist you - in making the choice that suits your preferences. We’ve carefully selected the top slots sites that are licensed in the UK based on the ranking methodology explained below.

Top 10 Best Slots Sites in the UK, Ranked

Remembering to gamble responsibly

1. PlayOJO - Best Slots Site in the UK Overall

- No wagering requirements

- Bonus wins paid in cash

- Vast selection of slot games

- No maximum win restriction

PlayOJO was launched in 2017 and is licensed by the UKGC (United Kingdom Gambling Commission) and the MGA (Malta Gaming Authority), widely regarded as the gold standard in licensing and regulating online casinos. It also ticked all of our boxes of the best slot site in the UK.

The site has more than 3,000 games, and some of the best slot game providers are represented on PlayOJO. Here, you can find the industry leaders like Lightning Box, Microgaming, and Netent rub shoulders with BTG, IGT, and Red Tiger.

Additionally, PlayOJO has separated the games by category. You can choose from new online slots, OJO’s picks, popular slots, Megaways, or all online slots sites. The jackpots, bingo, roulette, and card games are also easily accessible from the homepage.

PlayOJO’s promotions are featured on a banner across the top of your screen, and they are pretty generous. The welcome offer is for free spins on your first deposit without any wagering requirements. Other promotions tend to be temporary, so it’s worth your while to keep an eye on the banner.

Finding PlayOJO’s Customer service is relatively straightforward; click on the help icon on the menu running down the left side of your screen. It opens the comprehensive FAQ section with the contact details you can find below. You can contact them through live chat or email if you can’t find your answers in the FAQs

2. The Sun Vegas Casino - Best Mobile Experience

- Playtech is the only game provider

- Optimized for play on mobile devices

- 50x wagering requirement

The Sun Vegas Casino went online in 2019 and is licensed by the UKGC, meaning that it’s safe for you to play at and regulated according to industry standards.

Playtech has been part of the online casino industry for quite some time, and it’s been proven that their games are top-notch. This means that - even though there’s only a single provider at The Sun Vegas - more than 600 slot games are diverse enough to suit most slot players in the UK. All of the games work perfectly on mobile devices.

The Sun Vegas Casino has only two promotions available: the welcome offer and the loyalty programme. Note that the wagering requirement for the welcome offer is high, and there are also restrictions on the maximum bet and games you can play. We highly recommend reading the fine print carefully to ensure that you meet the requirements before accepting it.

The Sun Vegas Casino doesn’t offer 24/7 customer service; you can only contact this department between 8 AM and 1 AM through phone calls, emails, or live chat. If you click on the red info icon, you’ll gain access to a comprehensive FAQ section.

3. MagicRed Casino - Fastest Payouts

- MagicRed mobile casino app

- Payouts usually take up to 2 days

MagicRed Casino was re-launched in 2014 and licensed by the Malta Gaming Authority. The site is easily navigable due to the bright red menu bar across the screen. It runs smoothly both on desktop and mobile and implements excellent security measures to protect your transactions. Additionally, payment methods are diverse and cater to most slot players’ preferred methods.

Magic Red has more than 700 slot games, and most of the most popular slot game providers have at least one game on the site. You can find anything, from Gonzo’s Quest Megaways, through Super Striker, all the way to Super Lion.

The promotions on offer at Magic RedCasino include a matched deposit welcome offer with free spins. The site also offers another promotion that should please slot players - the Magic Spins Tuesday - specifically designed to reward you with free spins with every qualifying deposit.

Unfortunately, the customer service is only available between 8 AM and 1 AM and can only be contacted through live chat and email. However, the FAQ section (link in the page’s footer) is comprehensive and should cover most of your basic questions.

4. Grosvenor Casino - Best Online Casino in the UK for Promotions

- Fair terms and conditions on bonuses

- Extensive selection of slot games (650+)

Grosvenor Casino launched in 2007 and is considered one of the most popular casinos in the UK. It’s licensed by the UKGC and is also regulated by the Alderney Gambling Control Commission.

Grosvenor Casino has so many slot games that we lost track of the amount; it’s estimated that there are about 650 on the site, give or take a few. All of our favourites were available, along with the best slot game providers. Considering the number of slots, Grosvenor has shown significant consideration to slot players: the games are sorted into categories to make it easier to find the one you want to play.

We were impressed with the promotions that Grosvenor offers to its players. The welcome offer is generous and has a small wagering requirement. There are many promotions to choose from, but several are aimed at slot players, including a weekly top slot promotion with fair terms and conditions. We recommend that you check out the promotions regularly, as some change daily.

You can contact customer service via live chat 24/7, which also applies to calling or emailing them. The FAQ section is comprehensive and easy to navigate.

5. Genesis Casino - Best Selection of Slot Games

- High-quality slots games (1500+)

- Live chat support is not available 24/7

Genesis Casino is licensed by the MGA and was launched in 2018. With a dark navy background, swirling galaxies, and nebulae decorating this site, we found it easy to navigate and easy on the eyes.

There are more than 1500 slot games, and you’ll find the most popular slot game providers. You have progressive jackpots, Megaways, and other favourite video slots on offer. Betting limits vary widely between slot games, allowing all players to find something that suits their budget.

Genesis Casino offers a relatively diverse set of promotions, with a decent matched deposit bonus and free spins for the welcome offer. We recommend reading the terms and conditions, as there are certain limitations that apply to the bonus. The majority of bonuses available are aimed at slot players, so we’re sure you’ll find a bonus that suits you.

Customer service at Genesis Casino can be contacted by phone or email. You’ll find links to the FAQ section and contact details if you hit the question mark icon at the top right of your screen. The FAQs should answer most of your questions. If you contact their customer support, just remember to use live chat only between 7 AM and 11 PM.

6. RedKings Casino - Most Diverse Slot Games

- Different kinds of slot games (800+)

- Promotions for slot players

Relatively experienced for a slot site, RedKings Casino was launched in 2006 and is licensed by the MGA. This casino offers more than 800 slot games, with all of our favourites on offer, 16+ progressive jackpots, and a variety of live and table games on top of that.

Additionally, all the popular slot game providers have at least one game in the mix. The welcome offer is a deposit match bonus with free spins. However, the wagering requirement is 30x the deposit and bonus amount, plus 60x free spin winnings, so read the fine print carefully.

Customer service is available 24/7 through email, phone call, or live chat, and you can find their contact details under the support tab.

7. LeoVegas Casino - Best Mobile Slot Online Casino

- Mobile-friendly slot games

- Big selection of games (650+)

LeoVegas launched in 2011 and is licensed by the UKGC. Due to its mobile-friendly features, we can say it was designed primarily for the mobile online gaming market.

LeoVegas offers more than 650 top-notch slot games that include 35 jackpot games and all the best slot game providers gathered together on this site for your enjoyment.

Its promotions are relatively diverse, and slot players will be able to choose something that suits them. We recommend reading the fine print, as there are certain restrictions in place.

Its customer service is professional, prompt, and friendly; they’re also available 24/7 via live chat, email, or phone. The FAQ section should be your first stop, as it answers most questions you might have.

8. - Best Welcome Bonus for Slots

- Welcome offer for slot players

- Good variety of slot games (1000+) came online in 2008 and is licensed by the Gibraltar Betting and Gaming Association Limited.UKGC.

It has more than 1000 games, spanning across a broad spectrum from classic slots to progressive jackpots. All the games are by high-quality providers that have some of the best software and most engaging games.

This site focuses on slot players and provides promotions aimed at them, including a deposit match bonus and free spins as part of its welcome offer.

You can contact the customer service at 24/7 through live chat, phone call, or email.

9. Slots Heaven - Best UK Online Casino for Progressive Jackpots

- A diverse selection of slots

- Playtech is the only provider

Slots Heaven has been online since 2013, and is licensed under the UKGC Remote Operating License.

Everything on Slots Heaven is powered by Playtech, which means that the games are restricted to 400+ games from Playtech. This is not a hardship, as these games are top-notch and include more than 40 progressive jackpots, except for Jackpot Giant.

The promotions are limited, too, but the welcome offer is another advantage: new players will get a deposit match along with free spins.

You can contact Slots Heaven customer support 24/7 through phone, email, or live chat.

10. Mansion Casino - Best Customer Support

- The only provider is Playtech

Mansion Casino was established in 2003 and is licensed by the Gibraltar Licensing Authority and the UKGC Remote Operating License.

Playtech is a provider with a large selection of games, and while most are slots, they’ve also branched out into table games and live casino games, most of which are top-notch. The welcome offer is a relatively good matched deposit bonus, but they don’t offer any free spins. Read the fine print because there’s a 40x wagering requirement.

You can contact Mansion Casino customer support 24/7 through live chat, phone, or email.

How Did We Rank the Best Slots Sites in the UK?

Naturally, one of the first factors to consider in a site for slot players is: Does it have enough slot games to make players happy?

So, we look both into the number and variety of slot games - such as 3-reel, 5-reel, progressive, and 3D slots - on offer.

Slot games are only as good as their providers, so that’s the next thing we look into.

We carefully choose sites that feature providers with a good reputation for engaging play and longevity in the market.

Free Spins and Promotions:

Of course, if a casino has free spins or good promotions aimed at slot players, that’s a bonus; having both is even sweeter.

Promotions make your bankroll go further and show that the casino wants to keep players happy and having fun on their site.

Sites for slot players in the UK know that customer service is a critical part of keeping players satisfied.

So, the last factor we considered was how fast issues were sorted out and how easy it was to find help when needed.

FAQ: Best Slots and Online Casinos in the UK

Can I Win Money at UK Slot Sites?

Yes, you can. Some UK sites also allow you to try out free play in the form of demos or free slots to “test the water” before playing for real money.

How Do I Find Games with the Biggest Payouts?

Like Playtechs Jackpot Giant, progressive jackpot slots tend to have the biggest payouts and often show the jackpot on the game’s tile.

However, the RTP is typically lower than most slots, which reduces your chances of winning life-changing millions.

How Do I Know if a UK Slot Site is Good?

We hope our ranking methodology in this article helped you clarify what you should look for in a slot site UK:

- First, ensure the casino is available and licensed in the UK.

- Then check if it provides slots games (Yes, some casinos don’t, even though this is the most popular type of game).

- Then ensure that the types of slots and game providers you want are available; new games should be added periodically. Hint: the majority of the games should have an RTP of 94% or higher.

- Additionally, look into the promotions on offer, and make sure one catches your fancy.

- Finally, read reviews like ours, and find out what the customer experience is like.

Once all these questions are answered, you’ll have a better idea of what you want.

Does the UK License Slot Sites?

Yes, the UKGC and the MGA licenses are all around the online gambling ventures, and there are quite a few slots sites in the UK that are licensed.

We recommend that you always check to see if a site is licensed before signing up for it.

Yes, they are - provided that you play at a reputable site.

For instance, the UKGC has some of the strictest regulations, which ensures that games are run fairly. The UKGC calls for annual audits on the Random Number Generators (RNG) that produce the outcomes on which all slot games are based. This means that an independent third party will check the algorithm to ensure it’s producing random outcomes.

So, quick tip, check to see if the UKGC licenses the site, and then you know that the slots are fair.

Can I Use Free Spins Bonuses on any Slot Game?

That answer is somewhat complicated.

It depends entirely on the terms and conditions of the bonus you accepted. Sometimes, the bonus might allow you to bet on any slot game, but mostly, they restrict you to a select few or just a specific title. Reading the terms and conditions before accepting the bonus is important for this, amongst other reasons.

Do Slot Sites Offer a Welcome Package?

Absolutely! The online casino industry is a competitive one, and casinos use welcome bonuses and promotions to attract new customers to their sites. The more attractive the promotion, the more customers they gain.

Once you’re playing on the site, they usually offer more promotions to keep you engaged. However, please play responsibly and know when to stop.

Why is the RTP of Slots Important?

The RTP is the percentage of total winnings Returned To the Player, so the higher the percentage, the better your payout chances are.

This information is essential, as this is how you can tell if a game will be potentially profitable or not.

Best Slots Sites in the UK: Key Takeaways

There are so many truly entertaining sites for slot players in the UK that simply picking one was a daunting task.

In the end, we chose PlayOJO, simply because it had the largest range of slots available to its players. Honestly, though, all of the casinos we reviewed are worth looking into. If PlayOJO isn’t your cup of tea, we recommend giving them all a try until you find the right one for you.

Good luck, and have fun - all while remembering to gamble responsibly!

DISCLAIMER: All gambling sites and guides are 18+ only. Gambling comes with high risks and should not be undertaken as a financial solution. Casino sites listed in this review may not be available in your region. Check your local laws to ensure online gambling is available and legal where you live.

If you suffer from a gambling problem or suspect somebody you know does, call the National Gambling Helpline at 0808-8020-133 immediately. You may also visit these organizations for free gambling addiction resources: