Compare Online Casinos UK - Compare Gambling Sites

Want to compare casinos? Find regulated and trusted online casinos and compare the best of the best. A true comparison requires a large dataset to work with, and Mr. Gamble has it. Our extensive database contains useful information on thousands of online casinos. Welcome to the #1 source of casino information to compare the best UK online casinos.

You'll find online casinos that are most suitable to your personal wants and needs on this page. Use the Mr. Gamble online casino comparison tool and set your own selection of filters to find exactly what you’re looking for. Simply filter, search, and play from locally licensed casinos.

UK’s Best Online Casinos Comparison Updated in December 2024

  • Bonus code: MRGAMBLE
    1st Deposit Bonus100% / £100
    Casino popularity:
    83%Cooling Down
    Payment methods
    • Neosurf
    • Paysafe Card
    • Neteller
    • Skrill
    • Trustly
    • Paypal
    • Mastercard
    • Visa
    • Debit Card
    • Wagering: 40 x (b)
    • Withdrawal time: 6-12 days
    • Minimum deposit to casino: £10
    • Bonus max bet: £5
    • Established: 2018
    • Bonus Spins: 100
    • Bonus code: MRGAMBLE1st Deposit Bonus:100% / £100 + 100 Bonus Spins
    • Live casino games
    • Bonus on sign-up
    • Smooth withdrawals
    Full terms apply | +18 | #ad | New customers only - BeGambleawareNew UK Players only. 18+18+ | Play responsibly | https://www.begambleaware.org | User Agreement & Bonus T&Cs apply 1st deposit only | min deposit £10 | max bet £2 | max bonus £100 | max cashout x3 the bonus | max cashout from spin winnings £100 | x40 wagering on bonus and bonus spin winnings | 30-day bonus expiry | 24-hour bonus spins expiry | bonus is valid for selected games onlA minimum deposit of £10 applies.Players must use the bonus promotion code MRGAMBLE in order to apply this bonus.Mr Gamble always insists that players gamble responsibly
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  • Exclusive bonus
    Bonus Spins100 Bonus Spins
    Casino popularity:
    78%Widely Trending
    Payment methods
    • Trustly
    • Mastercard
    • Skrill
    • Neteller
    • Paypal
    • Visa
    • Paysafe Card
    • Apple Pay
    • Wagering: 0 x
    • Withdrawal time: 1-3 days
    • Minimum deposit to casino: £10
    • Bonus max bet: £5
    • Established: 2023
    • 1st Deposit Bonus:100 Bonus Spins
    • Newly launched casino
    • Live games with pro dealers
    • Bonus on sign-up
    • Mr. Gamble special bonuses
    • Efficient withdrawals
    Full terms apply | +18 | #ad | New customers only - BeGambleawareNew UK Players only. 18+18+. Available only to new players who sign up via this offer link. Deposit & Wager a minimum of £10 on any slot game to receive 100 Free Spins on Big Bass Splash. Winnings from Free Spins credited directly to cash balance. Neteller and Skrill deposits are excluded. Free Spins expire 2 days after the deposit. Further terms apply.A minimum deposit of £10 applies.Mr Gamble always insists that players gamble responsibly
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  • 1st Deposit Bonus100% / £200
    Casino popularity:
    64%High Point
    Payment methods
    • Trustly
    • Mastercard
    • Skrill
    • Wire Transfer
    • Neteller
    • GiroPay
    • Maestro
    • Visa
    • Sofortuberwaisung
    • Wagering: 40 x (D+B)
    • Withdrawal time: 0-3 days
    • Minimum deposit to casino: £20
    • Bonus max bet: £5
    • Established: 2019
    • Bonus Spins: 200
    • 1st Deposit Bonus:100% / £200 + 200 Bonus Spins
    • Lots of games
    • Live casino experience
    • Welcome offer now available
    • Secure, fast withdrawals
    Full terms apply | +18 | #ad | New customers only - BeGambleawareNew UK Players only. 18+ 18+. new players only. min. dep £20. max. bonus bet £5. 100% match up to £200 + 200 bonus spins on Book of Dead on your 1st deposit. Winnings from all spins credited as bonus funds and capped at £100. Bonus funds are separate to cash funds & subject to wagering requirement (40x deposit plus bonus). Only bonus funds contribute towards wagering requirement. Bonus funds must be used within 30 days, spins within 72hrs. Affordability checks & terms apply. Please gamble responsibly. BeGambleAware.org.A minimum deposit of £20 applies.Mr Gamble always insists that players gamble responsibly
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  • 1st Deposit Bonus100% / £50
    Casino popularity:
    -67%Cooling Down
    Payment methods
    • Trustly
    • Skrill
    • MuchBetter
    • Debit Card
    • Paysafe Card
    • Apple Pay
    • Skrill 1-Tap
    • Wagering: 35 x (D+B)
    • Withdrawal time: 0-7 days
    • Minimum deposit to casino: £10
    • Bonus max bet: £4
    • Established: 2020
    • Bonus Spins: 20
    • 1st Deposit Bonus:100% / £50 + 20 Bonus Spins
    • 2nd Deposit Bonus:50% / £75
    • 3rd Deposit Bonus:50% / £75
    • Live games with pro dealers
    • Bonus on sign-up
    • Secure, fast withdrawals
    Full terms apply | +18 | #ad | New customers only - BeGambleawareNew UK Players only. 18+A minimum deposit of £10 applies.Mr Gamble always insists that players gamble responsibly
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  • Exclusive bonus
    1st Deposit Bonus150% / £300
    Casino popularity:
    32%Going Up
    Payment methods
    • Trustly
    • Mastercard
    • Skrill
    • Neteller
    • Paypal
    • Bank transfer
    • Visa
    • Paysafe Card
    • Apple Pay
    • Wagering: 35 x (D+B)
    • Withdrawal time: 1-3 days
    • Minimum deposit to casino: £20
    • Bonus max bet: £5
    • Established: 2016
    • Bonus Spins: 75
    • 1st Deposit Bonus:150% / £300 + 75 Bonus Spins
    • 2nd Deposit Bonus:25% / £800 + 50 Bonus Spins
    • 3rd Deposit Bonus:50% / £400 + 25 Bonus Spins
    • Brilliant game selection
    • Live casino games
    • Bonus on sign-up
    • Mr. Gamble exclusive offers
    • Fast withdrawals possible
    Full terms apply | +18 | #ad | New customers only - BeGambleawareNew UK Players only. 18+18+. new players only. min. dep £20. max. bonus bet £5. 150% match up to £300 + 75 bonus spins on Big Bass Bonanza on your 1st deposit. Winnings from all spins credited as bonus funds and capped at £100. Bonus funds are separate to cash funds & subject to wagering requirement (35x deposit plus bonus). Only bonus funds contribute towards wagering requirement. Bonus funds must be used within 30 days, spins within 72hrs. Affordability checks & terms apply. Please gamble responsibly. BeGambleAware.org.A minimum deposit of £20 applies.Mr Gamble always insists that players gamble responsibly
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  • Exclusive bonus
    Bonus Spins100 Bonus Spins
    Casino popularity:
    -71%Cooling Down
    Payment methods
    • Trustly
    • Mastercard
    • Skrill
    • Neteller
    • Paypal
    • Visa
    • Paysafe Card
    • Apple Pay
    • Wagering: 0 x
    • Withdrawal time: 1-3 days
    • Minimum deposit to casino: £10
    • Bonus max bet: £5
    • Established: 2019
    • 1st Deposit Bonus:100 Bonus Spins
    • Table games in real-time
    • Signup offer awaits
    • Unlock exclusive bonuses
    • Fast withdrawals offered
    Full terms apply | +18 | #ad | New customers only - BeGambleawareNew UK Players only. 18+18+. Available only to new players who sign up via this offer link. Deposit & Wager a minimum of £10 on any slot game to receive 100 Free Spins on Big Bass Splash. Winnings from Free Spins credited directly to cash balance. Neteller and Skrill deposits are excluded. Free Spins expire 2 days after the deposit. Further terms apply.A minimum deposit of £10 applies.Mr Gamble always insists that players gamble responsibly
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  • 1st Deposit Bonus100% / £200
    Casino popularity:
    -27%Readjusting
    Payment methods
    • GiroPay
    • Bank transfer
    • Maestro
    • Mastercard
    • Visa
    • Rapid Transfer
    • AstroPay
    • MuchBetter
    • Paypal
    • Wagering: 35 x (D+B)
    • Withdrawal time: 0-3 days
    • Minimum deposit to casino: £10
    • Bonus max bet: -
    • Established: 2021
    • Bonus Spins: 100
    • 1st Deposit Bonus:100% / £200 + 100 Bonus Spins
    • Sportsbook Bonus:100% / £10
    • Live casino options
    • Signup bonus offered
    • Online sports betting
    • Fast payouts
    Full terms apply | +18 | #ad | New customers only - BeGambleawareNew UK Players only. 18+A minimum deposit of £10 applies.Mr Gamble always insists that players gamble responsibly
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  • 1st Deposit Bonus50% / £50
    Casino popularity:
    15%Widely Trending
    Payment methods
    • Skrill 1-Tap
    • MuchBetter
    • AstroPay
    • Trustly
    • Apple Pay
    • Paypal
    • Debit Card
    • pay4fun
    • PIX
    • Wagering: 35 x (D+B)
    • Withdrawal time: 1-3 days
    • Minimum deposit to casino: -
    • Bonus max bet: -
    • Established: 2022
    • Bonus Spins: 20
    • 1st Deposit Bonus:50% / £50 + 20 Bonus Spins
    • 2nd Deposit Bonus:25% / £75 + 40 Bonus Spins
    • 3rd Deposit Bonus:25% / £75 + 40 Bonus Spins
    • Sportsbook Bonus:100% / £10
    • Live games with pro dealers
    • Bonus on sign-up
    • Online sports betting
    • Fast payouts
    Full terms apply | +18 | #ad | New customers only - BeGambleawareNew UK Players only. 18+A minimum deposit of £10 applies.Mr Gamble always insists that players gamble responsibly
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  • Bonus Spins50 Bonus Spins
    Casino popularity:
    -19%Readjusting
    Payment methods
    • Visa Electron
    • Mastercard
    • Paypal
    • Bank transfer
    • Visa
    • Apple Pay
    • Wagering: 1 x
    • Withdrawal time: 0-4 days
    • Minimum deposit to casino: £10
    • Bonus max bet: -
    • Established: 2012
    • 1st Deposit Bonus:50 Bonus Spins
    • Live online casino
    • Welcome offer now available
    • Sports betting online
    • Smooth withdrawals
    Full terms apply | +18 | #ad | New customers only - BeGambleawareNew UK Players only. 18+New cust only. Opt in & deposit £10+ in 7 days & wager 1x in 7 days on any eligible casino game (excluding live casino and table games) for 50 Free Spins. Wagering contributions vary. Free Spins worth 10p each on Big Bass Splash. 3 day expiry. 18+. T&Cs apply.A minimum deposit of £10 applies.Mr Gamble always insists that players gamble responsibly
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  • 1st Deposit Bonus100% / £2000
    Casino popularity:
    -35%Readjusting
    Payment methods
    • Mastercard
    • Paypal
    • Maestro
    • Visa
    • Paysafe Card
    • Apple Pay
    • Wagering: 65 x (b)
    • Withdrawal time: 1-3 days
    • Minimum deposit to casino: £10
    • Bonus max bet: -
    • Established: 2009
    • Bonus Spins: -
    • 1st Deposit Bonus:100% / £2000
    • 2nd Deposit Bonus:100% / £2000
    • 3rd Deposit Bonus:100% / £2000
    • Live casino games
    • Jumpman Gaming
    • Bonus on sign-up
    • Quick withdrawals possible
    Full terms apply | +18 | #ad | New customers only - BeGambleawareNew UK Players only. 18+WaterfallWaterfall Win up to £6,000 Welcome Bonus across your first three deposits New Players only. 1st, 2nd and 3rd ever deposit: win a Matchup Bonus up to 10X your deposit amount (£2,000 max bonus), £10 min fund for all 3 offers, max bonus conversion equal to lifetime deposits (up to £250), 65x WAGERING REQUIREMENTS. full T&Cs applyA minimum deposit of £10 applies.Mr Gamble always insists that players gamble responsibly
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  • Bonus Spins50 Bonus Spins
    Casino popularity:
    -61%Readjusting
    Payment methods
    • Visa Electron
    • Mastercard
    • Paypal
    • Bank transfer
    • Visa
    • Wagering: 1 x
    • Withdrawal time: 2 days
    • Minimum deposit to casino: £10
    • Bonus max bet: -
    • Established: 2021
    • 1st Deposit Bonus:50 Bonus Spins
    • Live casino experience
    • Offer for new players
    • Quick withdrawal methods
    Full terms apply | +18 | #ad | New customers only - BeGambleawareNew UK Players only. 18+New cust only. Opt in & Deposit £10+ in 14 days & wager 1x in 7 days on any eligible casino game (excluding live casino and table games) for 50 Free Spins. Wagering contributions vary. Free Spins worth 10p each on Big Bass Splash. 3 day expiry. 18+. T&Cs apply.A minimum deposit of £10 applies.Mr Gamble always insists that players gamble responsibly
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  • Bonus code: SPLASH100
    Bonus Spins100 Bonus Spins
    Casino popularity:
    -8%Readjusting
    Payment methods
    • Mastercard
    • Paypal
    • Visa
    • Payforit
    • Apple Pay
    • Wagering: 0 x
    • Withdrawal time: 2-5 days
    • Minimum deposit to casino: £10
    • Bonus max bet: -
    • Established: 2018
    • Bonus code: SPLASH1001st Deposit Bonus:100 Bonus Spins
    • Real dealers, live action
    • Signup bonus ready to claim
    • Quick withdrawals possible
    Full terms apply | +18 | #ad | New customers only - BeGambleawareNew UK Players only. 18+First deposit only. Min deposit & spend £20. Max 100 spins on Big Bass Splash at 10p per spin. Spins credited upon spend of £20. 18+ Full T&Cs apply.A minimum deposit of £20 applies.Players must use the bonus promotion code SPLASH100 in order to apply this bonus.Mr Gamble always insists that players gamble responsibly
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  • new
    1st Deposit Bonus100% / £1000
    Casino popularity:
    Collecting more data...
    Payment methods
    • Apple Pay
    • Visa
    • Skrill
    • MuchBetter
    • Neteller
    • Paypal
    • Mastercard
    • Wagering: 35 x (D)
    • Withdrawal time: 1-3 days
    • Minimum deposit to casino: £10
    • Bonus max bet: -
    • Established: 2011
    • Bonus Spins: 150
    • 1st Deposit Bonus:100% / £1000 + 150 Bonus Spins
    • 2nd Deposit Bonus:100% / £1000 + 150 Bonus Spins
    • 3rd Deposit Bonus:100% / £1000
    • Solid game collection
    • Live casino options
    • Welcome bonus ready to claim
    • Fast withdrawals offered
    Full terms apply | +18 | #ad | New customers only - BeGambleawareNew UK Players only. 18+A minimum deposit of £20 applies.Mr Gamble always insists that players gamble responsibly
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  • 1st Deposit Bonus1000% / £1000
    Casino popularity:
    -59%Readjusting
    Payment methods
    • Mastercard
    • Paypal