Best Slot Sites 2021

Never has it been easier to take full advantage of SpinRio's Welcome package of 100 spins + £50 bonus. SpinRio is fully optimised for smartphones and tablets, if players prefer to play on the go, simply load the site up on your browser of choice and choose from hundreds of different games.

Terms & Conditions: New depositing players only.Min. deposit £10. Max. bonus varies per deposit (see below). Bonuses that require a deposit, have to be wagered 35x. This offer is available to players residing in the United Kingdom only. Deposits may be withdrawn before a player’s wagering requirements have been fulfilled. However, if this occurs, all bonuses and winnings will be voided/removed from the player’s account. Players must contact support in order to withdraw their deposit.

HeySpin Casino showcases some of your favourite slots and games from a number of well-known providers. There's also a tempting welcome offer of 100% up to £25 plus 25 free spins. With so many different games on offer, it’s worth checking out!

Terms & Conditions: Min. deposit: 10£. Max. bonus: 25£. Offer valid on first deposit. Offer only applies to new players. 25 free spins on Starburst (min 20£). Winnings won with games that require deposit, have to be wagered 35x. Bonuses that require deposit, have to be wagered 35x.

MrQ is offering new players 30 free spins on their first deposit, with uncapped wins too! Better still, all your winnings are totally wagering free and paid in cash. Sign up and choose from hundreds of casino and slot games at one of the UKs best online slot sites.

Terms & Conditions: First deposit only. Min deposit & spend £10. Max 30 spins on VALHALLA at 25p per spin. Spins credited upon spend of £10. Terms and conditions apply.

CasiGO is one of the latest online casinos launched by White Hat Gaming, who are known for creating some of the most immersive online gaming experiences. Join today to claim their newest welcome offer, a massive 825 bonus spins on the popular game Book of Dead, across your first five deposits!

Terms & Conditions: 18+. New players only. One Welcome Package per player. Max Bonus Bet £5. Get 3 Bonus spins for every £1 deposited up to 165 spins for each of your first 5 deposits. Min. deposit is £20. All spins are on Book of Dead only. Bonus funds must be used within 30 days ad bonus spins within 10 days. Spins winnings credited as a bonus and capped at an amount equivalent to the number of spins awarded. Bonus funds seperate to Cash funds, and are subject to 35x wagering and withdrawal requirements. Full T&C's apply.

Slots fans can enjoy a huge library of games to play at Griffon Casino, including hundreds of slot games to choose from. Here players will find classics like Starburst and Book of Dead! Some of the best developers are represented at Griffon Casino with Eyecon, Netent, Blueprint Gaming and Skywind are among them, so you’re sure to find a lot of your favourite slots here. New players can enjoy up to 200 free spins to play across Syarburst, Book of Dead and Fire Joker!

Terms & Conditions: Offer only applies to new depositing players in the United Kingdom. Offer valid on first three deposits. Min. deposit: £20. Wagering requirements on winning from spins: 35x. The 200 Spins are given as follows: 50 spins on Book of Dead upon first deposit (min £20).50 spins on Starburst are given upon second deposit (min £20)100 spins on Fire Joker are given upon third deposit (min £20).

If you’re feeling patriotic and want a site celebrating Great Britain, All British Casino is decked out in red, white and blue. Join today and deposit to receive up to £100 in bonus cash, plus lifetime 10% cashback on lost deposits! Choose from a huge variety of Microgaming casino games including Immortal Romance, Book of OZ and Thunderstruck II.

Terms & Conditions: Minimum deposit requirement is £10 to be included for our welcome, deposit and reload bonuses. Maximum bonus available will be communicated in specific promotional offers. UK players only. 35x wager requirement applies. Bonuses have 30 day period until expiry. Further T&Cs apply. 

Miami Jackpots's welcome bonus gives new players a welcome bonus consisting of a 100% match up to £50 in bonus funds and 50 free spins on the ever popular slot game, Book of Dead! all you need to do to claim this offer and start playing is deposit a mininum of £10 using the code MJ100. Enjoy slots, roulette or live casino games at Miami Jackpots!

Terms & Conditions: First Deposit Only. Min. deposit: £10, max. Bonus £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). Free Spins must be used before deposited funds. First Deposit/Welcome Bonus can only be claimed once every 72 hours across all Casinos. Full T&Cs apply.

Terms & Conditions: 18+. New players only. Minimum deposit £10 to receive a free spins of the 'Bonus Wheel'. £1,000 max bonus, max bonus conversion equal to lifetime deposits (up to £250). 65x wagering requirements and full T&c's apply.

Join one of the most popular Dragonfish slot sites around. Wink Slots has a great selection of popular slot titles; Starburst, Millionaire Genie and Irish Luck. Sign up and deposit using promo code - BIGBONUS and you’ll get a deposit match up to £400 plus 50 free spins. Wink Slots also have a choice of jackpot, instant win and live dealer games for players to try their luck on.

Terms & Conditions: New players only. Max 30 Free Spins [FS} available for 7 days. FS wins granted in bonus after all FS used. FS wins set at £1–£4 (per 10 FS). Bonus wins are capped at £100 exc. jp. wins. To withdraw games bonus & related wins, wager 30x the amount of bonus. Wagering req. vary by game, withdrawal restrictions & further T&Cs apply.

Instantly recongisable by name, one of the most popular and best slot sites around, bgo offers a wide range of slots games, live table games like Blackjack, Hi-Lo, Baccarat, Casino Hold’em, and even Roulette. Sign up to bgo casino and deposit £10 to win up to 500 free spins!

Terms & Conditions: UK only. Win up to 500 Free Spins from Mega Wheel on 1st deposit. 24-hour expiry. Max bet £2.50, max spins win £8 per 10 spins, max Bonus win £150, selected games & 65x wagering on winnings. No Neteller/Skrill. Full T&Cs apply.

Lottomart is a UK and Gibraltar-licenced lottery website which is dedicated to a mobile audience. Players can earn Diamonds in place of traditional loyalty points and also enjoy a fun range of scratch cards, slots, and live casino games. New players can claim their latest welcome bonus of 100% deposit match + 10% cashback.

Terms and conditions: New players only. Deposit £10 and buy the welcome bundle to receive 100 Free Spins = 25x @ 20p Lara Croft Temples and Tombs free spins. 50x @ 20p Queen of the Crystal Rays free spins. 25x @ 20p Jungle Jim and the Lost Sphinx free spins. No wagering requirements. Full T&Cs apply.

If you’re looking for slots, Videoslots Casino should be your first port of call. One of the top slot sites around, this exciting casino site offers a massive range of slot games from many top software providers, including NetEnt and Microgaming. All the latest releases can be found here, along with hundreds of classic titles and progressives.

Terms & Conditions: New players only. Min deposit £10. Wager requirement 20x. Bonus balance is paid with 10% instalments to account balance. Bonus balance is not payable. Max bet is £20. Account balance is withdrawable at any time. Upon withdrawal, any remaining bonus balance is forfeited. Full terms apply.

Will this casino bring you good luck? This casino offers you a fun and exciting play experience, and all the best slot titles you know and love. Why not try you luck at Luckland and take advantage of their £50 and 50 free spins welcome bonus offer?

Terms & Conditions: Terms and Conditions apply. New players only. 18+. Min deposit £20. Welcome package split over 3 deposits 35x wagering applies to match up bonus. 50 Spins on Starburst - 35x wagering applies to Spins. See full terms here.

New to the market, Play Magical adds a sprinkle of magic to your gameplay! Hosting a huge selection of the best slot games from the top providers, why not see if Play Magical is going to be your new favourite site. New players can claim a £150 welcome bonus and 150 free spins!

Terms & Conditions: First 3 Deposits only. Min deposit £10 1st and 2nd deposit, min £20 3rd. Max cumulative bonus £150 and 150 spins. Bonus match amount varies per deposit. Spins awarded on one of four chosen games. 50x wagering on Deposit + Bonus, 50x on bonus spins. 10x max bonus conversion or £5,000, whichever is lower. £5 max bonus stake. Full T&Cs Apply.

Sun Vegas is the newest online casino from the same company that bought you the fantastic Sun Bingo, offering a mobile friendly design and a name you can trust. Enjoy live casino games and hundreds of slots with a generous 100% match welcome bonus up to £300! 

Terms & Conditions: 100% bonus up to £300 on your first deposit · New Customers Only · Min Deposit £10 · 50x WR ·  Offer must be accepted within 72 hours. Bonus Valid for 30 Days · Max bet restrictions apply · Bonus can't be withdrawn. Bonus can only be spent on Slot Games · Skrill/Moneybookers and Neteller are not valid for this promo · Real money balance can always be withdrawn.

Karamba is one of the favourites for online casino and sports betting and their slot selection is equally as impressive! Check out their huge selection of online casino and table games, and even more slot games - all available at the click of a button! Sign up to claim 100 free spins and up to £50 bonus

Terms & Conditions: 18+, Terms and Conditions apply. New players only. 18+. Min deposit £10. Wagering requirement apply 35x. Offer valid for 72hr. 100 spins includes 3 deposit. Full terms and conditions apply.

O’Reels is home to hundreds of slot, casino and jackpot games from the best game suppliers in the industry, so it makes sense it is one of the favourite online slot sites. Join and deposit up to £200 for a 100% welcome bonus plus free spins. Roulette fans can claim up to 15% cashback on losses every single weekend with no wagering requirements.

Terms & Conditions: New Players Only. Wagering occurs from real balance first. 50X wagering the bonus or any winnings generated from free spins. Contribution may vary per game. Available on selected games only. The wagering requirement is calculated on bonus bets only. Bonus is valid for 30 days / Free spins valid for 7 days from issue. Max conversion: 5 times the bonus amount or from free spins: £/$/€20.

Pots of Gold may be a new kid on the block but it's definitely setting itself up as one of the best! With a huge selection of slot games to choose from you'll be wondering how you ever managed without this site. New players can sign up and claim up to £300 bonus and 25 free spins on Gonzo's Quest!

Terms & Conditions: New Players Only. Wagering occurs from real balance first. 50X wagering the bonus or any winnings generated from free spins. Contribution may vary per game. Available on selected games only. The wagering requirement is calculated on bonus bets only. Bonus is valid for 30 days only / Free spins valid for 7 days from issue. Max conversion: 3 times the bonus amount or from free spins: £20. Excluded Skrill deposits. Full Terms apply.