This offer is only available for first time depositors. Min deposit is £10. 50 Free Spins on Book of Dead. Spin Value: £0.10. After your first deposit you may claim your 30 Extra Free Spins by visiting the Kicker Section. The Prize Twister awards a random prize of either cash or free spins. For Free Spins the general free spins terms apply. No min withdrawal. This offer cannot be used in conjunction with any other offer. This offer is only available for specific players that have been selected by PlayOJO. If you have arrived on this page not via the designated offer via PlayOJO you will not be eligible for the offer. OJO’s Rewards and Game Play policy applies.
18+ New Players only! The Welcome Bonus is only available to newly registered players who make a minimum initial deposit of £ 10. Wagering 35x. T&C Apply
New customers only, min deposit £20, wagering 35x, max bet £5 with bonus funds. Max bonus is 100% up to £100. No max cash out on deposit offers. Welcome bonus excluded for players depositing with Skrill or Neteller. Cashback is cash with no restriction. 18+ Please Gamble Responsibly. Click ‘Get Bonus’ to view the full terms and conditions.
18+. New players only. Min deposit £10. Bonus funds are 121% up to £100. Bonus funds are separate to cash funds and subject to 35x wagering requirement. Only bonus funds count towards wagering contribution. £5 bonus max bet. Bonus funds must be used within 30 days, spins within 10 days. Affordability checks apply. Terms Apply. BeGambleAware.org
Terms & Conditions apply. New players only. 18+. Min Deposit £10. Wagering requirement apply 35x. Offer valid for 72h `£100 bonus/100 spins includes 3 deposit.
18+, UK residents. New players only. Min deposit £10. 30 days to claim bonus. 35x wagering within 60 days. Max bet £20 or 20% of balance. T&Cs apply.
Automatically credited upon deposit. Cancellation can be requested. First Deposit Only. Max. Bonus £50. Maximum amount of Free Spins is 50. Game: Book of Dead, Spin Value: £0.10. WR of 30x Deposit + Bonus amount and 60x Free Spin winnings amount (only Slots count) within 30 days. Max bet is 10% (min £0.10) of the free spin winnings and bonus amount or £5 (lowest amount applies). Spins must be used and/or Bonus must be claimed before using deposited funds. Deposit/Welcome Bonus can only be claimed once every 72 hours across all Casinos. Bonuses do not prevent withdrawing deposit balance. Bonus Policy applies.
18+ New players only, min deposit £10, wagering 45x, max bet £5 with bonus funds, 100% up to £100 bonus on 1st deposit, 50% up to £200 on 2nd deposit. No max cash out on deposit offers. Welcome bonus excluded for players depositing with Skrill or Neteller. Full T&C’s apply T&Cs Apply
18+ New players only, min deposit £10, wagering 45x, max bet £5 with bonus funds, 100% up to £100 bonus on 1st deposit, 50% up to £200 on 2nd deposit. No max cash out on deposit offers. Welcome bonus excluded for players depositing with Skrill or Neteller. Full T&C’s apply T&Cs Apply.
New customers only, min deposit £10, wagering 40x, max bet £5 with bonus funds. Max bonus is 100% up to £100. No max cash out on deposit offers. Welcome bonus excluded for players depositing with Skrill or Neteller. Cashback is cash with no restriction. Full T&C’s apply. +18, Please Gamble responsible. BeGambleAware.org. T&C Apply
SIGN-UP Terms and Conditions apply. New players only. 18+. Min deposit £10 The wagering requirement is 30x. The offered spins are valid for 24hr on Starburst. Free spins issued over 3 days. Min deposit 1st day £10, 2nd & 3rd day £20. T&C Apply
Terms and Conditions apply. New players only. 18+. Minimum deposit £20. Wagering requirement 35x. Offer valid for 72h
Automatically credited upon deposit. Cancellation can be requested. First Deposit Only. Min. deposit: £10, max. Bonus £50. WR of 60x Bonus amount (Slots count 100% and any other game 10%) within 30 days. Max bet is 10% (min £0.10) of the Bonus amount or £5 (lowest amount applies). Bonus must be claimed before usage of deposited funds. Bonuses do not prevent withdrawing deposit balance. Welcome Bonus can only be claimed once every 72 hours across all Casinos. Bonus Policy applies. T&C’s Apply, BeGambleAware 18+
New players making their first deposits only. Min deposit £20. 100% deposit match, max £100 cash. 30x wagering on first deposit amount to receive cash. Redeposit allowed to complete wagering. 18+. Full T&Cs apply.
Terms and Conditions apply. New players only. 18+. Minimum deposit £20. Wagering requirement 35x. Offer valid for 72h
Terms and Conditions apply. New players only. 18+. Minimum deposit £20. Wagering requirement 35x. Offer valid for 72h
Automatically credited upon deposit. Cancellation can be requested. First Deposit Only. Min. deposit: £10, max. Bonus £50. WR of 60x Bonus amount (Slots count 100% and any other game 10%) within 30 days. Max bet is 10% (min £0.10) of the Bonus amount or £5 (lowest amount applies). Bonus must be claimed before usage of deposited funds. Bonuses do not prevent withdrawing deposit balance. Welcome Bonus can only be claimed once every 72 hours across all Casinos. Bonus Policy applies. T&C’s Apply, BeGambleAware 18+
New players only, no deposit required, valid debit card verification required, 65x wagering requirements, max bonus conversion to real funds equal to £50, T&Cs apply
New players only, no deposit required, valid debit card verification required, 65x wagering requirements, max bonus conversion to real funds equal to £50, T&Cs apply
18+, New Customers Only, Play Responsibly, T&C Apply.
New Players Only. Wager from real balance first. 50X wager the bonus. Contribution varies per game. Selected games only. Wager calculated on bonus bets only. Bonus valid 30 days / Free spins valid 7 days from receipt. Max conversion: 3 times the bonus amount or from free spins: €20. Withdrawal requests void all active/pending bonuses. Full Terms apply
New Players Only. Wager from real balance first. 50X wager the bonus. Contribution varies per game. Selected games only. Wager calculated on bonus bets only. Bonus valid 30 days / Free spins valid 7 days from receipt. Max conversion: 3 times the bonus amount or from free spins: €20. Withdrawal requests void all active/pending bonuses. Full Terms apply
Automatically credited upon deposit. Cancellation can be requested. First Deposit Only. Min. deposit: £10, max. Bonus £50. WR of 60x Bonus amount (Slots count 100% and any other game 10%) within 30 days. Max bet is 10% (min £0.10) of the Bonus amount or £5 (lowest amount applies). Bonus must be claimed before usage of deposited funds. Bonuses do not prevent withdrawing deposit balance. Welcome Bonus can only be claimed once every 72 hours across all Casinos. Bonus Policy applies. T&C’s Apply, BeGambleAware 18+
Automatically credited upon deposit. Cancellation can be requested. First Deposit Only. Min. deposit: £10, max. Bonus £50. WR of 60x Bonus amount (Slots count 100% and any other game 10%) within 30 days. Max bet is 10% (min £0.10) of the Bonus amount or £5 (lowest amount applies). Bonus must be claimed before usage of deposited funds. Bonuses do not prevent withdrawing deposit balance. Welcome Bonus can only be claimed once every 72 hours across all Casinos. Bonus Policy applies. T&C’s Apply, BeGambleAware 18+
Grab up to 200 Free Spins on Book of Dead! Wager £20 on slots and Get 40 Free Spins for five consecutive days. 18+ new customers only. £20 stake on slots each day within 5 days of 1st deposit to qualify. £0.1 Spins on Book of Dead. £250 total max withdrawal. Full T&Cs apply
New players, £10+ deposit, no e-wallets/prepaid cards, up to 500 free spins, 40x wagering on free spins winnings, Terms apply
18+. New players only. Min deposit £20. Max bonus 100% up to £66 on 1st deposit. 66 spins on Big Bass Bonanza on 2nd deposit. 35x wagering applies, within 21 days. Max wins from spins £100. Spins expire after 24 hours. Full T&Cs Apply.
18+. New players only. Min deposit £10. 100% up to £100 + 30 Bonus Spins on Reactoonz. Bonus funds + spin winnings are separate to cash funds and subject to 35x wagering requirement. Only bonus funds count towards wagering contribution. £5 bonus max bet. Bonus funds must be used within 30 days, spins within 10 days. Affordability checks apply. Terms Apply. BeGambleAware.org
New players only, £10 min fund, 65x bonus wagering requirements, max bonus conversion to real funds equal to lifetime deposits (up to £250) full T&Cs apply
New players only, no deposit required, valid debit card verification required, 65x wagering requirements, max bonus conversion to real funds equal to £50, T&Cs apply.
18+ New players only. Min Dep £20. Max Bonus Bet £5. Offer: 100% of 1st deposit up to £300 + 100 Zee Spins on Starburst (first 10 credited on 1st deposit; rest credited at 07:00GMT at 10/day) + 500 Zee Points. Spins expire after 23:59GMT on day they’re credited. Winnings from each 10 spins capped at £50 & credited as bonus. Bonus funds expire after 30 days, are separate to Cash funds, & subject to 35x wagering of bonus + deposit amounts. Affordability checks apply. Full Terms Apply Play Responsibly. BeGambleAware.org
Automatically credited upon deposit. Cancellation can be requested. First Deposit Only. Max. Bonus £50. Maximum amount of Free Spins is 50. Game: Book of Dead, Spin Value: £0.10. WR of 30x Deposit + Bonus amount and 60x Free Spin winnings amount (only Slots count) within 30 days. Max bet is 10% (min £0.10) of the free spin winnings and bonus amount or £5 (lowest amount applies). Spins must be used and/or Bonus must be claimed before using deposited funds. Deposit/Welcome Bonus can only be claimed once every 72 hours across all Casinos. Bonuses do not prevent withdrawing deposit balance. Bonus Policy applies.
Automatically credited upon deposit. Cancellation can be requested. First Deposit Only. Max. Bonus £50. Maximum amount of Free Spins is 50. Game: Book of Dead, Spin Value: £0.10. WR of 30x Deposit + Bonus amount and 60x Free Spin winnings amount (only Slots count) within 30 days. Max bet is 10% (min £0.10) of the free spin winnings and bonus amount or £5 (lowest amount applies). Spins must be used and/or Bonus must be claimed before using deposited funds. Deposit/Welcome Bonus can only be claimed once every 72 hours across all Casinos. Bonuses do not prevent withdrawing deposit balance. *Games are subject to availability. Bonus Policy applies.
At Finest Casino Online, we earn income through affiliate partnerships, but this does not influence our rankings or reviews. We also feature UK slot operators that we do not partner with because we believe the most important thing is to provide you with comprehensive information about the UK slot market, empowering you to choose where to play.
Our commitment is to transparency, ensuring you can enjoy slot sites with confidence.
Learn more about how we operate.
At FinestCasinosOnline.com, we have made the decision to only include slot sites that operate under a UKGC license.
Having a UK Gambling Commission (UKGC) license is crucial for an online slot site for several reasons, particularly in ensuring player safety, fairness, and legal compliance. You can read more about licensing and why it matters further down on this page.
PlayOJO is a top-rated UK slot site known for its no-wagering bonuses. Players keep all their winnings with no hidden terms, making it one of the fairest platforms around. Offering over 3,000 slot games from providers like NetEnt, Microgaming, and Big Time Gaming, PlayOJO is packed with variety. It also has a top-notch mobile experience and quick payouts. Frequent promotions and a rewarding loyalty program add to the appeal, making PlayOJO a favourite for UK players who want transparency and great value.
Videoslots is a top-tier UK slot site known for offering one of the largest game libraries, with over 6,000 slot titles from developers like NetEnt, Microgaming, and Play’n GO. It appeals to players who love variety, featuring classic slots, video slots, and progressive jackpots. Videoslots stands out with its innovative “Battle of Slots” feature, where players can compete for rewards. The site also boasts fast payouts, excellent customer support, and frequent promotions, making it a go-to platform for UK players looking for a diverse and exciting slot experience.
All British Casino offers a classic British gaming experience, with a focus on high-quality slots and table games. Known for its strong selection of UK-favoured slots from leading developers like NetEnt and Microgaming, this casino also stands out for its 10% cashback on all losses. The platform features a simple, user-friendly interface and fast payouts, along with regular promotions, making it a great choice for UK players who value reliability and customer service.
21Casino offers a luxurious and immersive slot experience for UK players, featuring a sleek design and an impressive range of over 1,000 slot games. With titles from top software providers such as NetEnt, Play’n GO, and Red Tiger, players are spoilt for choice. 21Casino also boasts regular promotions, a generous welcome bonus, and secure payment options, making it a top destination for both new and experienced slot enthusiasts.
CasinoLuck is a well-established UK slot site that has been trusted by players since 1999. It offers an extensive collection of slot games, including popular titles from NetEnt, Microgaming, and Play’n GO. CasinoLuck is known for its generous bonuses and fast withdrawal times, making it ideal for players looking for a smooth and rewarding gaming experience. The site’s easy navigation and customer-friendly approach make it a go-to for UK slot fans.
As the selection of UK slot sites has skyrocketed over the past 5-10 years, we have also become increasingly selective about which websites we choose to feature in our lists.
Our goal is always to provide our visitors with the most satisfying gaming experience possible, and we would never recommend you play at a slot site that doesn't meet our high standards. That goes for both for bigger established brands as well as independent slot sites.
Therefore, it's of utmost importance to us that the site in question – in addition to a valid UKGC gaming license – also offers the following:
In the UK, winnings from gambling are not subject to tax.
Ensure it’s licensed by the UKGC and has games tested by independent agencies like eCOGRA.
This is a type of slot game where the jackpot increases each time the game is played, but the jackpot is not won. A small percentage of each wager goes into the jackpot pool, which can sometimes grow to life-changing amounts.
Yes, most reputable sites offer tools to limit deposits, losses, or even playing time.
While many modern slot games are designed with mobile compatibility in mind, some older titles might not be optimised for mobile play. However, the gap is steadily narrowing as software developers update or re-release older games for mobile compatibility.
If you feel the need to take a break from gambling, you can request a self-exclusion period from the slot site. During this time, you won’t be able to log in or create new accounts. The duration can vary, often ranging from a few months to several years. The UK’s GAMSTOP service also allows players to self-exclude from all online gambling sites registered with the service.
Slot sites use wagering requirements to balance the benefits they provide through bonuses. Without these requirements, players could simply withdraw the bonus money, leading to potential financial losses for the site.
The answer to this question is very subjective, right now some of our favourite slot sites include:
Online slot sites offer something for everyone, but with so many options out there, it can be tough to know where to start. Whether you’re looking for new platforms, generous bonuses, or high payouts, finding the right site can make a big difference in your experience.
In this section, we’ll take a closer look at the top slot sites, each excelling in specific areas. From those offering free spins and low minimum deposits to sites known for quick payouts, a wide variety of games, or the best mobile apps, there’s something here for everyone. We’ll also dive into platforms with the most popular payment methods to keep things simple and secure. Whatever you’re after, this guide is here to point you in the right direction.
There’s always something fresh to try when it comes to online slots. New slot sites often bring modern designs and attractive bonuses to grab your attention. We constantly update our lists with new slot sites. Of course, we conduct rigorous checks to ensure that only the best operators make it onto our lists. Just because a slot site is new doesn’t automatically mean it earns a spot on our list.
Our Favourites:
Looking for more new sites? Head over to our page on the best new slot sites.
We know that many of our visitors are looking to play at slot sites with a sign-up offer. There are plenty of options to choose from, including free spins, no-wager bonuses, and no deposit offers.
Here at FinestCasinosOnline, we list most of the slot bonuses available in the UK. These are the bonuses we think stand out at the moment:
Click here for our full list of slot welcome bonuses.
Did you know that some slot sites in the UK offer better chances of winning than others? Slot games often come in two or three different RTP versions, for example, one version with 96%, 94% and 92% RTP. This allows UK-licensed slot sites to decide the specific RTP value for each game. As a result, the average amount of wagers paid back to players can vary quite a bit depending on which site you choose to play at.
Best Average Payout
At FinestCasinosOnline.com, we’ve taken all of these factors into account when creating our top list of the best payout slot sites for 2024!
Not everyone wants to spend big to enjoy online slots, and that’s where low minimum deposit sites come in. While the minimum deposit is usually between £10 and £20, some sites allow you to start with as little as £5 or even £1. These sites are perfect if you’re just testing the waters or prefer not to spend too much upfront.
Here’s a quick look at some good slot sites offering low minimum deposits:
Check out our guide to top low deposit slot sites in the UK!
We have great news for those who enjoy slot sites with a wide range of games. These sites are perfect for players who like to mix things up and never run out of new games to explore. Below, we’ve rounded up the top three sites with the most games on offer.
It might feel a bit overwhelming with so many slot games, but they offer a filtering feature to help you search. You can also sort by different game features or even list only new releases. Additionally, there’s a full scroll menu if you're looking for a specific game provider.
Nobody likes waiting around for their winnings, so if fast payouts are a priority for you, we’ve got you covered. In this section, we’ll take a look at the best slot sites that are known for fast withdrawals.
Our favourite fast payout sites:
When we review and test slot sites, we always make deposits and withdrawals. This allows us to see which ones are fast and whether they live up to the withdrawal times they claim.
Click the button below for a full list of casino sites and their withdrawal times. We also explain the factors that affect these times and what you can do to speed them up.
Slot sites have varying terms and conditions for deposits and withdrawals, so it’s important to check which payment methods are accepted—and whether there are any fees involved. Each site also has different deposit and withdrawal limits, which can change depending on the payment method used.
You can find details about the minimum and maximum amounts accepted on each site’s website.
Do you enjoy playing on slot site apps? You're definitely not alone.
Mobile gaming has grown massively in recent years, pushing slot sites to adapt their platforms for smartphones. This has become a top priority for many sites.
All UK slot sites are mobile-friendly, although some offer a better experience than others. That said, the differences in mobile optimization are now minimal across most sites. You can easily compare them in our reviews, where we highlight the ones that stand out in terms of mobile compatibility.
Our favourite slot apps:
It’s also just as simple to play directly through your phone’s browser. In fact, many sites have shifted their focus from developing apps to enhancing their mobile-friendly websites. While some sites did try creating apps in the past, they’ve since decided to invest more in improving their browser-based experience.
Here's a quick guide for beginners in the world of slot sites. Firstly, you've probably noticed that there's a plethora of different sites out there. Take some time to search around and find one that you feel would suit you best. Once you've chosen a site that seems exciting and fun, visit the website. It's either a slot site that requires you to download specific software before you can start playing, or you can play directly in your web browser.
Registration, Deposits & Withdrawals
Before you can start playing with real money at a slot site, you need to register on the site. It's usually very clear where to click to create an account, and then you'll be prompted to fill out a form to verify your identity.
We've compiled a list of UK’s best casinos with Boku, as well as fast payout casinos & mobile casinos, so you can make a deposit directly with your mobile with your preferred payment method. It couldn't be easier! Withdrawals also occur very smoothly, and usually, the money is deposited into your bank account within just a few minutes after requesting a withdrawal.
Bonuses and Free Spins
Most online slot sites today also offer new players a welcome bonus when you register and make your first deposit. However, it's important to note that these bonuses usually come with wagering requirements before any winnings are available for withdrawal. Therefore, always remember to read through the terms and conditions before choosing to play with a casino bonus!
What Games Can You Play?
Today's slot sites don't differ much when it comes to game selection. When you visit a site, they typically categorise the games into several categories in a menu to make it as easy as possible for players to find their favorite games. Whether you prefer classic slots with fruit symbols, are chasing the big win on a progressive jackpot slot machine, or want to experience true Las Vegas vibes in the live casino's table games, many slot sites offer something for every type of player.
Most UK slot sites have chosen to select the best games from well-known game developers like NetEnt, Microgaming, and Pragmatic Play to guarantee a top-notch gaming experience. However, the number of games can vary significantly. There can be anything from 500 to over 3,500 different games to choose from, depending on which site you choose to play at.
Winnings at a Slot Site
While winnings from online slot sites may not always be highlighted, you should be aware that the winnings available at slot sites can amount to astronomical sums. Usually, someone wins the big prize on some type of slot machine where it's common to have a so-called progressive jackpot. This means that there isn't a fixed prize amount but the jackpot grows over time until someone eventually manages to win it. It has happened several times that the sum has reached millions of pounds. Not too shabby, right? So keep an eye on your slot site to see which jackpots are topping the charts at the moment and try your luck!
Discover New Slot Sites with a UKGC License
Over the past year, we've had the great pleasure of welcoming several new slot sites to FCO. They all hold a UKGC gaming license, which means you can look forward to an entertaining gaming experience with safe deposits and withdrawals. Check out some of our latest online slot sites below:
Choosing a slot site doesn’t have to be challenging because, in many ways, they are all very similar and will provide you with a comparable gaming experience.
All UK casino sites offer similarly entertaining game options, many accept common payment methods like PayPal and cards, and all licensed online casinos are trustworthy.
We have the most extensive list of UK slot sites and their offers at the top of this page, or you may feel more comfortable going with one of our experts’ favorite brands.
There’s also no need to limit yourself to just one slot site; they all offer something slightly different!
After clicking on one of the buttons on Top Slot Sites to visit your chosen online slot site, you’ll need to register.
This requires some basic information like your name, address, phone number, and birthday.
This is then used to verify your age and identity with the necessary checks to ensure you are eligible to play, don’t already have an account, and comply with responsible gaming guidelines.
Occasionally, this process takes a little longer, and you may need to provide additional documentation for verification.
The next step after signing up is to fund your account with some money.
In order to qualify for the online casino’s sign-up offer, you’ll probably need to make a deposit and/or wager that deposit once (be sure to check the terms and conditions for specific sign-up bonus rules).
The minimum deposit amount at UK slot sites is often between £5 and £10, and you’ll likely have various instant deposit options available in the Account or Wallet section of your gaming account.
After successfully depositing, it’s time to start having fun.
Start by searching for a game to play. Slot sites often showcase all the latest and popular games on their homepage, but the menu can also be used to navigate to specific game categories.
Or, if available, you can use the search function. After finding a game, you might se different options such as stake size and lines, adjust these to suit your needs and start spinning.
After your gaming session is complete, and if you’ve won, your account balance will have increased.
You now have the option to keep playing or to withdraw your winnings. This process is similar to depositing, but be aware that certain restrictions, like a minimum withdrawal amount, may apply.
Most slot sites also provide live chat support, so if you encounter any issues, help is readily available.
We believe that online gambling should always be a fun and entertaining experience.
In the UK, all licensed casinos and slot sites must adhere to strict regulations set by the UK Gambling Commission to promote responsible gambling. This means that they are committed to ensuring that players can enjoy gaming in a safe environment while also providing tools to help control and manage their gaming activity.
GamStop
BeGambleAware
National Gambling Helpline (GamCare)
Gambling Commission
These organizations are available to offer assistance if you or someone you know needs help with gambling-related concerns.