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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
    Review
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

  • 100% up to £100

    + 100 Extra Spins
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    • 1

    • 100% up to £500

      20 Free Spins on Starburst
      + 180 Free Spins – code: CRBONUS
    • 100% match bonus up to £100 + 100 extra spins
    • 1,700+ Slots from all providers
    • Instant Cashouts & Lock Withdrawal feature
    • UK Licensed
    Review
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.

  • 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
    Review
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
    Review

  • 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 with Excellent Reputation
    • UK Licensed
    Review

Other Online Casinos

  • SuperCasino Review

    SuperCasino

    100% 1st deposit bonus up to £200

    SuperCasino Review »
    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


    T&Cs apply

     

    Videoslots Casino Review »

  • Casinoland Casino

    Up to £800 in Bonuses

    Casinoland Casino Review »
    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

    CasinoRoom Review »

  • Casumo Casino

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

    Casumo Casino Review »

  • NetBet Vegas

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

    NetBet Vegas Review »

  • Reel Island Casino

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

    Reel Island Casino Review »

  • ComeOn Casino

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

    ComeOn Casino Review »

  • Grosvenor Casino

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

    Grosvenor Casino Review »

  • Vera & John Casino

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

    Vera & John Casino Review »

  • bgo Casino

    Up to £200 + 10 Free Spins

    bgo Casino Review »
    18+. New customers only. 10 Free Spins on registration and mobile verification (UK Only). 100% deposit match up to £200. Available on selected Games only. 7-day expiry on Bonus. 40x wagering (max bet £5) before Bonus Balance can be withdrawn. Wagering is with real money first. Game contribution weightings apply to wagering requirements. £10 min deposit + 2.5% fee (min 50p). Not available using Neteller or Skrill. Cash balance withdrawable anytime + £2.50 fee. Full T&Cs apply.

  • Unibet Casino

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

    Unibet Casino Review » 18+, New Customers Only, T&Cs Apply

  • 32Red Casino

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

    32Red Casino Review »

  • Casino Cruise

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

    Casino Cruise Review »

  • SlotsMagic

    100% bonus up to £500 + 99 free spins

    SlotsMagic Review »
  • Guts Casino Review

    Guts Casino

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

    Guts Casino Review »
    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

    Paddy Power Games & Casino Review »
    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.

  • Mr Smith Casino

    Up to 200 Starburst Cash Spins

    Mr Smith Review »
    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.
  • Ladbrokes Casino Review

    Ladbrokes Casino

    100% welcome bonus up to £500

    Ladbrokes Casino Review »
    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

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