Best Slot Sites - Slots Bonuses & Casino Reviews

Below is a list of the Best Slot Sites in the industry - good games, great customer service and top user experience. Most also offer a decent value bonus. Click here to read more.
Casinos found: 40
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SlotsMillion Casino 90%

200% Bonus up to £60

Full Ts&Cs apply. 18+. New UK customers only. Must use Bonus Code: TEMPLEUK. 200% deposit bonus up to £60: Min deposit £20 and 48x wagering requirements apply on bonus (game weighting applies). £3 max bet applies when playing with an active bonus. Bonus expires if not claimed within 7 days.Please gamble responsibly. Begambleaware.org

Party Casino 87%

120 Free Spins (Exclusive)

Full Ts&Cs apply. 18+. New depositors only. UK residents only. Minimum deposit £10. Free Spins are valid only on Starburst and expire in 7 days. Excludes deposits made via Skrill, Entropay, Paypal, Paysafecard and Neteller. Please Gamble Responsibly. BeGambleAware.org

10Bet Casino 86%

50% Bonus up to £100 + 25 Spins

Full Ts&Cs apply. New Customers only; Min. deposit £15 (no Skrill/Neteller); Wager the bonus amount 40x within 15 days to convert bonus winnings into real money; Max winnings = 10x bonus amount; Real money balance wagered first; Bonus amount shall be deducted from any converted winnings; Withdrawing your real money balance prior to meeting the wagering requirements will forfeit your bonus balance; Wager any winnings from your use of free spins 15x in 7 days to convert into real money; Free spins max. winnings = £100. Stake contribution towards wagering requirements varies between eligible games, see full terms; Terms apply; 18+

Casino Land 88%

Up to £800 Welcome Bonus

Full Ts&Cs apply. New customers only. Opt-in required. 1st deposit bonus 100% up to £200. 2nd deposit bonus 50% up to £200, 3rd deposit bonus 25% up to £200, 4th deposit bonus 25% up to £200. Min deposit £10. 40x wagering, 30 days to complete wagering, eligibility, game weighting and game restrictions apply. Max Bet with bonus funds £5. Max withdrawal from bonus funds is £2000. Eligibility restrictions apply, cash balance can be withdrawn at any time.

Grosvenor Casino 87%

£20 Welcome Bonus

Full Ts&Cs apply. 18+ . New customers only. Further T&Cs apply. Min. £20 deposit required. 5X wagering requirements apply to this offer. Only one bonus per player, household and IP address is permitted. No even money bets are allowed, this includes odds and evens and red and black. Valid 30 Days. Attempting to withdraw prior to meeting the wagering requirements will result in the bonus balance being forfeited. BeGambleAware.org

Royal Slots 88%

Up To £1000 Welcome Bonus

Full Ts&Cs apply. 18+. New customers only. Opt-in required. 1st deposit bonus 100% up to £200. 2nd deposit bonus 50% up to £200, 3rd deposit bonus 25% up to £300, 4th deposit bonus 25% up to £300. Min deposit £10. 40x wagering, 30 days to complete wagering, game weighting and game restrictions apply. Max Bet with bonus funds £5. Eligibility restrictions apply. Neteller/Skrill deposits excluded, cash balance can be withdrawn at any time. BeGambleAware.org.

Mr Green 89%

100% up to £50 + 50 Free Spins

Full Ts&Cs apply. 18+. New UK customers only. Opt-in required. 1x per customer. Min. £20 deposit. 1st deposit only. Selected games only. Max. Bonus £50 with 35x wagering and 50 Free Spins at £0.20/spin on Starburst™ with 35x Wagering. Free Spins and Bonus credited once deposit amount has been wagered on slots. Bonus and Free Spins expire 7 days after issue. Game weighting, game, country, currency, player restrictions and T&Cs apply. BeGambleAware.org.

BGO 84%

Deposit £10 & Win up to 500 Spins

Full Ts&Cs apply. New customers only. UK only. Win up to 500 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. Min deposit £10. No Neteller/Skrill. Full T&Cs apply. BeGambleAware.org.

888 85%

Play With £88 Free (No Deposit)

Full Ts&Cs apply. 18+. New Players Only. No Deposit Offer: New players only. £88 is granted in FreePlay (FP). FP must be claimed within 48 hrs of receiving the email & expires after 14 days. FP wins are credited as bonus & capped at £15, exc. JP win. Deposit Bonus Offer: £20 min deposit. 100% up to £100 Bonus. Bonus wins capped at £500. To withdraw bonus & related wins, wager 30 x (bonus amount) within 90 days. Restrictions apply to deposit until wagering req fulfilled. Wagering req. vary by game. This offer may not be combined with any other offer. Deposit balance available for withdrawal at any time. BeGambleAware.org.

Cashino 85%

40 Free Spins (on £10 Deposit)

Full Ts&Cs apply. 18+. New customers only. 40 Free Spins released with £10 deposit or more. 20x wagering on winnings. The maximum winnings from the Free Spins and any bonus related to it is £50. The maximum stake permitted with your bonus funds is £5 per bet/spin. Selected game only. Full terms apply.

LeoVegas 91%

Up To £400 Bonus + 100 Spins

Full Ts&Cs apply. New eligible UK players only. Select Casino offer on sign-up and deposit. 4 deposits of £10, £20, £50, £100 matched with a bonus cash offer of same value (14 day expiry). 35x real money cash wagering (within 30 days) on eligible games before bonus cash is credited. Spins credited upon deposits; under £50 =10 Spins, £50 or over =25 Spins; on Book of Dead only (3 day expiry, winnings paid in cash). Play Responsibly. 18+ begambleaware.org.

Play OJO 85%

50 Bonus Spins

Full Ts&Cs apply. 18+. New Customers Only. First deposit only. 50 Free Spins on the Book of Dead slot. Min deposit £10. Excl. new players in N.I. Each Free Spin valued at 10p. OJO’s Rewards and Game Play policy applies. BeGambleAware.org

Gala Casino 85%

£40 Bonus & 20 Free Spins

Full Ts&Cs apply. 18+. New customers only. Deposit/spend £20, get £40 bonus + 20 Free Spins. 35x Wag on Bonus. 10x Wag on Free Spins winnings. Free Spins valid on selected games. 7 days to claim, 7 days to wager. Payment restrictions & T&Cs apply. Please gamble responsibly. BeGambleAware.org

Ladbrokes Casino 85%

£50 Welcome Bonus + 30 Free Spins

Full Ts&Cs apply. 18+. New Casino players only. Deposit required. Min bet £10 on qualifying games get £50 Casino Bonus (40x wager reqs) on selected games + 30 Free Spins for Fishin’ Frenzy Jackpot King (spin value=10p each). Bonus & Free Spins valid for 30 days. Certain deposit types excluded. Bets covering >70% of Roulette table excluded. T&Cs Apply.

Trada Casino 89%

100% up to £50 + 10 Login Spins

Full Ts&Cs apply. 18+. New Customers Only. BeGambleAware.org. Max withdrawal from 10 login spins on Book of Dead is £100. Value is 0.10 per spin. 100% first deposit match offer: Min Dep: £10 | Max Dep: £50 | Wagering 25x Bonus. Max Bet is £3.99 per spin.

Genting Casino 88%

Up to £200 Casino Bonus

Full Ts&Cs apply. 18+. New Customers. 35x real money cash wagering of initial deposit amount (£20-£200) on qualifying slot games completed within 30 days unlocks equivalent cash bonus (% game weightings apply). 15 days to accept/opt-in. Full T&C’s apply. BeGambleAware.org

Coral Casino 85%

Deposit £10, Get £50 + 10 Spins

Full Ts&Cs apply. 18+ New customers only. Bonus must be accepted with 48 hours and has 40 x wagering reqs (certain games only). Paypal and certain deposit methods excluded. Bets covering >70% of Roulette table don't count to wagering. Free spins value £0.10. No wagering reqs apply. Bonus valid for 30 days (bonus and winnings removed). Free spins valid on selected games only. T&C's apply.

Casino.com 88%

100% up to £100 + 200 Spins

Full Ts&Cs apply. New Customers. 20 Spins for Aotg Slots Credited On Reg, 180 (20 Per Day) Following First Deposit. Spins Valid For 24 Hours, Exp In 30 Days. Winnings Credited As Bonus Funds with 20X Wagering, Max Win £100. Min £20 Dep For Bonus Funds. 40X Wagering, Game Weighting/ Restrictions, Betting Limits. T&Cs Apply.

Will Hill 90%

150% up to £150 + 50 Spins

Full Ts&Cs apply. Opt in required. Min deposit £10. Max bonus £150. 40x wagering requirements on bonus funds. Bonus and spins expire 7 days after opt in. Spins available on selected games only.Max redeemable £2,000 from deposit bonus. Max Redeemable from spins £10. New Customers only. Player currency, country, game restrictions & Terms Apply.

Unibet Casino 83%

Deposit £10 Get £40

Full Ts&Cs apply. 18+ New Customers Only. 18+. BeGambleAware.org. Minimum deposit £10. 35x wagering requirement apply. Bonus will expire 30 days after opt-in. T&Cs apply.

Rizk Casino 87%

Deposit £50, play with £100 + 50 Spins

Full Ts&Cs apply. 18+. New players only. T&Cs apply. £10 minimum deposit required. Neteller/Skrill excluded. Max Bonus £50. Wagering 40x on bonus amount within 30 days. Maximum bonus bet: £5. Spins paid 10 per day on Book of Dead. Game weighting and T&C apply. Always read the terms before starting to play and please gamble responsibly. BeGambleAware.org

PokerStars Casino 70%

50 Free Spins Offer

Full Ts&Cs apply. 18 +. Wager £10 to get 50 Free Spins on Tomb of Ra Classic. New PokerStars Casino registered players only. Min. £10 deposit, debit card only. Opt-in 14 days from registration. 7-day Free Spins expiry. Free Spins valid on Tomb of Ra Classic Slot only. Any winnings credited as cash. Full T&Cs apply. BeGambleAware.org.

PlayFrank 86%

Up To £100 Bonus + 50 Bonus Spins

Full Ts&Cs apply. 18+. New players only. Min deposit £20. bonuses to a max of £100 + 50 bonus spins. Wagering bonus 35x. Wagering bonus spins 35x. The winnings must be wagered within 21 days. Max Bonus Bet is £4. BeGambleAware.org. Bonus T&C apply.

gDay 85%

Up To £500 Bonus + 50 Bonus Spins

Full Ts&Cs apply. 18+. New players only. One bonus offer per player. Minimum deposit of £20, Max bonus bet £5 Bonus offer must be used within 30 days and bonus spins within 10 days, otherwise any unused shall be removed. Bonus spins are valid on the following games only: Jungle Spirit, Starburst, Hotline and Fruit Spin. Bonus funds are 100% of your first deposit up to £100, 50% of your second deposit up to £250, 50% of your third deposit up to £150 Bonus funds are separate to Cash funds, and are subject to 35 x wagering the total of bonus, cash & bonus spins. Terms Apply. BeGambleAware.org.

Net Bet 86%

Deposit £100 Play With £200

Full Ts&Cs apply. 18+. New player only. Use bonus code: NBWELCOME. Bonus must be wagered 30 times (Playthrough x30) before bonus winnings are converted into cash funds. Vegas Free Spins winnings will be credited as bonus money and must be wagered 50 times (Playthrough x50) exclusively on selected slots. Valid 7 Days. No eWallets. BeGambleAware.org.

Fruity Casa 86%

100% up to £100 + 20 Bonus Spins

Full Ts&Cs apply. 18+. New players only. Min. Dep. £10. Bonus spins valid on Fruit Shop, expire after 10 days. Bonus funds are 100% up to £100. Bonus funds + winnings from bonus spins are separate from cash funds and subject to 35x bonus wagering. Only bonus funds count towards wagering contribution. Max Bonus Bet £5. Bonus expires after 30 days, any unused bonus shall be removed. Terms Apply. BeGambleAware.org

32Red 88%

150% Bonus up to £150

Full Ts&Cs apply. 18+. New accounts only. Min. £10 deposit, debit and PayPal only. Up to 50x wagering, game contributions vary, max. stake applies, 7 day expiry. See full terms. Always Gamble Responsibly. BeGambleAware.org.

21Casino 85%

121% up to £300

Full Ts&Cs apply. 18+. New players only. Min deposit £10. Bonus funds are 121% up to £300 and separate to Cash funds. 35x bonus wagering requirements apply. Only bonus funds count towards wagering requirement. £5 max. bet with bonus. Bonus funds must be used within 30 days, otherwise any unused shall be removed. Terms Apply. BeGambleAware.org

Temple Slots 83%

Up To £50 Bonus + 50 Spins

Full Ts&Cs apply. 18+. New customers only. First 3 deposits only. 1st Deposit 100% up to £50 + 50 Spins on Gonzos Quest. Min dep £10 (£20 3rd Deposit). Max cumulative bonus £150 and 150 spins. Bonus match amount and spins game eligibility vary per deposit. 50x wagering on Deposit + Bonus, 50x on bonus spins, 10x max conversion, £5 max bonus stake. Full T&Cs Apply. Please gamble responsibly. BeGambleAware.org.

Betfred Casino 80%

Stake £10 Play With 50 Free Spins

Full Ts&Cs apply. New Casino customers only. £10 Minimum transfer. £10 Minimum stakes within 7 days. Minimum 5 game rounds. Game restrictions apply. Maximum 50 Free Spins on selected games. Free Spins expire after 7 days. Full T&Cs apply. Please Always Gamble Responsibly: Visit BeGambleAware.org for more details.

All British Casino 88%

Up To £100 Welcome Bonus

Full Ts&Cs apply. 18+. New customers only. Further T&Cs apply. Min. £20 deposit required. 35X bonus wagering requirements. Max £5 bet with bonus. No Skrill/Neteller. Any winnings from bonus spins are transferred into the bonus wallet, the funds then have a x35 wagering requirement. Game Weighting applies - see full terms for details. Please Gamble Responsibly. BeGambleAware.org

Prospect Hall Casino 80%

Up To £300 Bonus + 100 Bonus Spins

Full Ts&Cs apply. 18+. New players only, First 3 Deposits Only, Min Dep £10, Max Bonus £300 Overall and 100 Spins on Starburst, 50x Wagering on Deposit + Bonus, 50x on Bonus Spins. 10x Max Conversion, £5 Max Bonus Stake. 1st Deposit - 100% Deposit Bonus up to £100 plus 50 Spins. 2nd Deposit - 50% Deposit Bonus up to £100 plus 25 Spins. 3rd Deposit - 100% Deposit Bonus up to £100 plus 25 Spins. Terms Apply. BeGambleAware.org.

SlotsMagic 70%

100% up to £50 & 50 Free Spins

Full Ts&Cs apply. First Deposit Only. Min. deposit: £10, max. Bonus £50. Game: Rich Wilde and the Book of Dead, Spin Value: £0.10, Max Free Spins:50. 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. BeGambleAware.org.

Guts Casino 85%

No UK Welcome Offer Currently

Full Ts&Cs apply. 18+. Site Terms Apply. Zecure Gaming Limited is licensed and regulated by the UK Gambling Commission under the licence: 056427. Please gamble responsibly: BeGambleAware.org

Yeti Casino 84%

100% Refund up to £111 + 100 Spins

Full Ts&Cs apply. 18+. New players only. 23 Extra Spins on Reg + a 100% Refund bonus up to £111 with 77 Extra Spins on your first deposit. £10 min. dep. 40x WR on bonuses, refund bonus has 60x wagering. Valid 30 days. Max bonus bet: £5. No eWallets. FS on selected games. Game weighting & restrict. apply. Please gamble responsibly: BeGambleAware.org

Casino of Dreams 82%

Desposit £20, Get 50 Spins

Full Ts&Cs apply. 18+, 50x bonus wagering required, max bet £6.25 until completed. Game weighting applies. 2 day expiry for bonuses. eWallets excluded. T&Cs apply.

Kerching 83%

Up To £500 + 150 Bonus Spins

Full Ts&Cs apply. 18+. New Customers Only. First 3 deposits only, Min deposit £10, Max total bonus £500 & 150 spins, Spin value varies, 30x wagering (dep + bonus), 30x on spins, 5x conversion, selected slots only, full T&Cs apply. IGT, All Rights Reserved. See full T&C's. Gamble responsibly. Management decision is final in all cases. For more info visit www.begambleaware.org

BWin Casino 59%

100 Free Spins on Starburst

Full Ts&Cs apply. 18+. New depositors & UK residents only. Min dep. £10. 10x wag. on winnings. Spins valid only on Starburst slot & valued at £0.10 each. Spins expire in 7 days. Excludes deposits made via Skrill, Entropay, PayPal & Neteller. T&Cs apply.

Energy Casino 89%

Excellent Selection of Slots

Full Ts&Cs apply. www.energycasino.com is operated by Probe Investments Limited which is registered under the laws of the European Union member state of Malta. It has registration number C51749 with trading address at Suite 109, Level 4, Sir William Reid Street, Gzira, GZR1033, Malta.

Monster Casino 85%

Up to £500 Bonus + 50 Spins

Full Ts&Cs apply. 18+. New players only. First 3 deposits only. Min dep. £10, Max bonus £500 + 50 spins on Starburst. Selected slots only. 4x conversion. 40x Wagering. Full T's & C's apply. Please play responsibly. BeGambleAware.org.

Today’s online gambling market is saturated with hundreds of casinos, making it difficult for players to decide which site is best for them. That’s why we set out to offer online casino players honest and unbiased reviews of the best slots casinos out there, so you can easily determine which operators cater to your tastes and are worth your patronage.

Large Game Selection

Players at online casinos should be given a great selection of games to choose from, and our favourites are those that have hundreds of games on offer. We like to see online casinos with a wide variety of jackpots, branded games, themed slots and unique formats.

If we were to pick our favourite casino based on game selection, we would certainly go with Slots Million. Currently, the online casino offers up over 1500 online slots for players to choose from, including games from top-performing developers like:

Mobile Optimisation

With the majority of the population preferring the access the Internet using their smartphone or tablet, it is crucial for online casinos to ensure that players can play their favourite casino games on the go. Ideally, casinos should have browser-based game selections, which means that players do not have to download any additional software to their mobile devices. It also ensures that the games can run on various platforms like iOS, Android and Windows.

Impressive Customer Support

What really sets online casinos apart from one another is how they take care of their players. So, we value gaming sites that prioritise their customer service facilities. It is important for a site to provide live chat at all hours of the day and night to help players deal with any issues that they may encounter.

If we had to choose one online casino to play at based on its customer service, it would be Trada. Over the years, Trada Casino has been recognised for its commitment to providing great customer support and has even won awards for it. Trada also provides some of the fastest withdrawal times in the online casino market, with payouts processed in under 6 hours.

Generous Bonuses And Promotions

The best online slots casinos are those that reward their customers for their patronage. So, we’re always excited to see when gaming sites provide plenty of great bonuses for players to choose from. In addition to generous welcome bonuses, slots casino should offer up a wide range of online promotions.

G’Day Casino is one of the best slots casinos in that capacity. Every day of the week, the operator provides players with a different promotion that they can take advantage of. What really makes G’Day’s promotions special is that players are offered up a welcome bonus that has no limit to how much bonus cash they can claim!