Online Casinos UK

Find independent and thorough reviews of the best online casinos for UK players. These reviews are based on the online casinos’ reputation, support, banking methods, games they offer (with a focus on slots) and bonuses available. If you’re looking for something special, I recommend you head to the Exclusive Offers section which has promotions just for Online-Slot.co.uk readers.

We have played at many UK online casinos throughout the years and we only recommend the best online casinos. With a strong focus on slots, we bring you the very best UK licensed online casinos to play your favourite slot games at. Online slots are our passion so it’s only natural we suggest the best places to play them at.

Top 5 Online Casinos to Play Slots

  • up to 50

    Free Spins
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    • 1
    • Up to 50 Fair Spins

      20 Free Spins on Starburst
      + 180 Free Spins – code: CRBONUS
    • Up to 50 Free Spins with No Wagering Requirements
    • 350+ Slots – New Playtech Slots Available 1st
    • 24 Hour Cashouts & Excellent Customer Support
    • UK Licensed
18+. New customers only. 1 Free Spin for every £1 of first deposit up to 50, available on selected games only. Not available using NETeller or Skrill. 3-day expiry on Free Spins. £10 min deposit +2.5% Fee (min 50p). Cash balance withdrawable anytime + £2.50 fee. Full T&Cs Apply, begambleaware.org
  • up to 200

    Cash Spins
  • slide
    • 1
    • Up to 50 Fair Spins

      20 Free Spins on Starburst
      + 180 Free Spins – code: CRBONUS
    • Up to 200 Cash Spins on NetEnt’s Starburst
    • 1,000+ Slots with lots of Exclusive Titles
    • UK Dedicated Online Casino
    • UK Licensed
18+. New GB Customers and first deposit only. Spins only available on Starburst. Deposit and play through £25 on selected games and get 25 spins OR; Deposit and play through £100 on selected games and get 100 spins OR; Deposit and play through £200 on selected games and get 200 spins. 3 day expiry of spins after they have been added. 14 days from registration to claim offer. You have a right to withdraw your cash deposit or any remaining cash deposit and any cash winnings from this deposit. If this is withdrawn, the spins and any winnings from the spins will be forfeited. All winnings from the spins will be paid out cash. Further eligibility and terms apply.

  • up to £400

    + 100 Bonus Spins
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    • 2
    • 100% up to £400

      20 Free Spins on Starburst
      + 180 Free Spins – code: CRBONUS
    • 20 No Deposit Bonus Spins
    • 100% Bonus up to £100 + 20 Bonus Spins on 1st 4 Deposits
    • 1,100+ Slots from many software providers
    • UK Licensed
New UK players only. 20 Free Spins on sign up. Deposit bonus: 100% up to €/£100 Bonus + 20 Bonus Spins, on each of your first 4 deposits. €/£10 min deposit (Skrill, NETeller excluded). €/£5 min. wager to activate Bonus Spins. All spins only valid on Book of Dead and expire after 7 days. 35x wagering on eligible games (€/£5 max stake) before Bonus, Free Spin or Bonus Spin winnings can be withdrawn. Eligibility restrictions apply. Please play responsibly. 18+, begambleaware.org

  • 100% up to £100

    Exclusive Sots
  • slide
    • 2
    • 100% up to £100

      20 Free Spins on Starburst
      + 180 Free Spins – code: CRBONUS
    • Exclusive 20 No Deposit Free Spins
    • 100% up to £100 + 100 more free spins
    • 24 Hour Cashouts inc. PayPal
    • UK Licensed
  • Deposit £10, Get £50

    in Bonuses
  • slide
    • 2
    • 100% up to £100

      20 Free Spins on Starburst
      + 180 Free Spins – code: CRBONUS
    • Deposit £10, get £50 in Bonuses
    • 700+ Slots from Top Providers
    • UK Focused – 12-24 Hour Cashouts
    • UK Licensed

Other Online Casinos

  • SlotsMillion Casino Review

    SlotsMillion Casino

    100% 1st deposit bonus up to £100

    100% up to £100, Not claimable with Skrill, ecoPayz or NETeller, Minimum deposit £20, Maximum bonus £100, Expiry 7 days, Wagering x48. · 20 Extra Spins per day: during 5 days, Expiry 24h, Wagering x48.
  • SuperCasino Review

    SuperCasino

    100% 1st deposit bonus up to £200

    First deposit only, Min first deposit £10, 100% bonus match to max £200, 25x wagering deposit and bonus, 30 day bonus expiry, Contribution to wagering reqs varies by game, Further eligibility and terms apply.
  • Videoslots Casino

    100% Bonus up to £200 + 11 Welcome Spins


     

  • Casinoland Casino

    Up to £800 in Bonuses

    T&Cs Apply. *New customers only. Opt-in required. 1st deposit bonus (DB) 100% up to £200. 2nd DB 50% up to £200, 3rd DB 25% up to £200, 4th DB 25% up to £200.
    40x wagering, 30 days to complete wagering, game weighting and game restrictions apply. Max Bet with bonus funds £5. Neteller/Skrill deposits excluded, cash balance can be withdrawn at any time
  • CasinoRoom

    10 No Deposit Free Spins + Choice of 2 offers on first 5 Deposits

  • Casumo Casino

    20 No Deposit Free Spins + 100% Bonus up to £300 - T&Cs apply

  • NetBet Vegas

    100% NetBet Casino Bonus up to £200 + Exclusive 200 NetEnt Free Spins

  • Reel Island Casino

    Exclusive 150% Bonus up to £300 + 10 Starburst Free Spins

  • ComeOn Casino

    20 Free Spins + Exclusive 100% Bonus up to £200

  • Grosvenor Casino

    100% bonus up to £20 & 50% cashback up to £500

  • Vera & John Casino

    Exclusive 20 No Deposit Bonus Spins + 100% Bonus up to £50

  • Unibet Casino

    200% match bonus up to £200 + up to 200 free spins

  • 32Red Casino

    Deposit £10, get £32 free up to £160

  • Casino Cruise

    Up to £1,000 free + 200 free spins. 18+, New Customers Only. T&Cs apply

  • SlotsMagic

    100% bonus up to £500 + 99 free spins

  • Guts Casino Review

    Guts Casino

    100% Bonus up to £100 + 50 Vikings Wager-Free Free SpinsT&Cs apply

    New Customers Only. £10 Min Dep. Bonus 100% up to £100. Bonus Wager, 35x in 30 Days. Skrill/NETeller/Paysafe Excluded. Game weighting and terms apply.
  • Paddy Power Games & Casino

    200% Bonus up to £200 or Deposit £10, Get £50 Bonus + 20 Free Spins

    Deposit £10 Play with £60 + 20 Free Spins. UK & IRL only. Deposits made with e-wallets are not valid for this promo. Bonus wagering x35 on eligible games. Winnings from bonus capped at£500. Spins available after bonus is redeemed/lost. 10 per day with no wagering. Full T&Cs apply
    200% Bonus up to £200. UK & IRL only. Deposits made with e-wallets are not valid for this promo. Bonus wagering x50 on eligible games. Game weighting apply. Min deposit £20. Golden chips available after bonus is redeemed/lost and worth £1 each. Full T&Cs apply.
  • Ladbrokes Casino Review

    Ladbrokes Casino

    100% welcome bonus up to £500

    18+. New Customers Only. Min £20 deposit. Max bonus £500. 20x (bonus only) wagering reqs on certain games. Certain games and payment methods excluded. Bets covering >70% of Roulette table don’t count to wagering. T&C's apply.
  • Coral Casino

    Exclusive 50 Free Spins / Valid on any Age of the Gods title

    18+. UK customers only. Free spins 20p each, valid for 30 days. Selected games and deposit methods only. T&Cs apply.