Brand New Online Casinos UK 2021

Here you'll find the New Online Casinos in the UK. Many brand new online casino providers keep sweetening their welcome promotions for British players. Thus, we keep track of their welcome bonuses and other promotions by listing new casino sites, and new welcome bonuses and other real money bonus offers.

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We've done the heavy lifting for you, and found all the best new casinos and slots sites, each with a great casino bonus - mostly no bonus code needed. We only list legit online casinos. In this new casino guide, we'll teach new players to spot the best new casinos with pleasant gaming experience and best payout casino games!

We found 56 bonuses worth £13,645
  • Captain Spins Casino Of the Month
    520 Bonus Spins
    For Book of Dead
    18+, new UK players only, be GambleAware.
    New players only. One welcome package per player. Max bonus bet £5, Min deposit £20 1st deposit: get 100 bonus spins, 2nd Deposit: get 120 bonus spins, 3rd deposit: get 140 bonus spins, 4th deposit: get 160 bonus spins. All spins are on slot game Book of Dead only. Bonus funds must be used within 30 days and bonus spins within 7 days. Max winnings from bonus spins are equivalent to the number of spins awarded. Spins winnings credited as bonus. Bonus funds separate to Cash funds, and are subject to 35x wagering and withdrawal requirements. Full Terms Apply BeGambleAware.org
  • PlayUK New Bonus
    100 Bonus Spins
    For Starburst
    £100 Bonus
    This bonus is 100% up to £100
    18+, new UK players only, be GambleAware. Full Terms Apply
    First deposit only. Min deposit £10. 100% Bonus Match on 1st deposit, max £100 bonus & 100 bonus spins on Starburst. 40x wagering(dep+bonus). 40x on spins, 4x conversion, bonus valid on selected slots. T&C’s apply.
  • TradaCasino New Bonus
    10 No-Deposit Spins
    For Book of Dead
    100 Bonus Spins
    + Book of Dead + Book of Dead + Book of Dead + Book of Dead
    £50 Bonus
    This bonus is 100% up to £50
    18+, new UK players only, be GambleAware. Full Terms Apply
    First deposit only. Minimum deposit £10. Maximum bonus £50. Wagering attached to bonus Is 25x. Maximum bet per spin while using a bonus £3.99. Bonus funds expire in 21 days. Game contributions to wagering vary. Please check T&C’s for more information. Standard bonus terms apply. Please gamble responsibly.
  • Netbet New Bonus
    500 Bonus Spins
    For VEGAS GAMES
    Use code NBWELCOME500
    18+, new UK players only, be GambleAware. Full Terms Apply
    NEW PLAYERS, £10+ DEPOSIT, NO E-WALLETS/PREPAID CARDS, 30X PLT ON BONUS AND 50X ON FREE SPINS, £500 CAP ON BONUS WINNINGS. T&CS APPLY
  • Coral New Bonus
    £50 Bonus
    This bonus is 500% up to £50
    18+, new UK players only, be GambleAware.
    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.
  • Mr Green New Bonus
    50 Bonus Spins
    For Starburst
    £100 Bonus
    This bonus is 100% up to £100
    18+, new UK players only, be GambleAware. Full Terms Apply
    Opt in required. New customers only. 1x per customer. Min. £20 deposit. 1st deposit only. Selected games only. Max. Bonus £50 35x wagering and 50 Free Spins at £0.10/spin on Lucky Mr Green 35x Wagering. Free Spins credited once deposit amount has been wagered. Bonus and Free Spins expire 7 days after issue. Game weighting, game, country, currency, player restrictions and terms apply.
  • 10 No-Deposit Spins
    For Book of Dead
    20 Bonus Spins
    For Book of Dead
    £100 Bonus
    This bonus is 100% up to £50 + 100% up to £50
    18+, new UK players only, be GambleAware. Full Terms Apply
    Full T&Cs apply. No deposit required & new players only. Claim from “My Offers” within 3 days of registration & 3 day expiry. 10 free spins worth £0.10 each on Book of Dead, winnings paid as cashNew players only across two deposits. Cash rewards 7 days from registration to opt-in from “Promotions” page & each with 7 days wagering. Deposit £10, £25 or £50 & wager 35x. Only cash stakes qualify & wagering contributions vary. 10 free spins worth £0.10 to be claimed within Book of Dead with each qualifying deposit, 3 day expiry.
  • Casino 2020
    400 Bonus Spins
    For Cleopatra's Prizes
    £300 Bonus
    This bonus is 100% up to £100 + 200% up to £200
    Up to £20 welcome bonus & up to 20 free spins upon registration and verification
    18+, new UK players only, be GambleAware. Full Terms Apply
    Up to 400 (18p) free spins on first deposit, awarded over 20 days. Expires 00:00 daily. Locked to Cleopatra’s Prizes. Up to £300 deposit match. Min deposits £10. Dep1: up to 100%, Max £100. Dep2: up to 200%, Max £200. Bonus and FS winnings subject to 40x wagering requirement. Withdrawing qualifying deposit excludes player from promotion. T&Cs apply. BeGambleAware.org
  • 10 No-Deposit Spins
    For Selected games
    50 Bonus Spins
    For Book of Dead
    £50 Bonus
    This bonus is 100% up to £50
    18+, new UK players only, be GambleAware. Full Terms Apply
    New customers only Min £10 dep. 100% up to £50 in Bonus. Neteller/Skrill excl. Max bonus £50. Wagering 40x on bonus amount within 30 days. Bonus max bet £5. Spins paid 10 per day on Book of Dead and valid for 24 hours. Game weighting and T&Cs apply.
  • MrQ
    30 Bonus Spins
    For Valhalla
    Use code V30  No Wagering on Free Spins
    18+, new UK players only, be GambleAware. Full Terms Apply
    First deposit only. Min deposit & spend £10. Max 30 spins on VALHALLA at 25p per spin. Spins credited upon spend of £10. Full T&Cs apply.
  • Grosvenor Casino
    £30 Bonus
    This bonus is 150% up to £30
    18+, new UK players only, be GambleAware.
  • PlayToro
    25 Bonus Spins
    For Wild Toro
    £50 Bonus
    This bonus is 100% up to £50
    18+, new UK players only, be GambleAware.
  • Pokerstars Casino
    50 Bonus Spins
    For Tomb of Ra Classic
    18+, new UK players only, be GambleAware.
  • Pink Casino
    £10 No-Deposit Bonus
    10 Bonus Spins
    For Book of Dead
    £100 Bonus
    This bonus is 100% up to £50 + 100% up to £50
    18+, new UK players only, be GambleAware.
    T&C's apply. No deposit required, new players only. £10 paid as bonus. Claim within 3 days of registration. 7 day expiry. 50x wagering. £50 max win/withdrawal from bonus. Only bonus stakes qualify & wagering contributions vary, not all games eligible. 18+ Begambleaware.org
  • Videoslots
    11 Bonus Spins
    For Starburst
    £200 Bonus
    This bonus is 100% up to £200
    18+, new UK players only, be GambleAware. Full Terms Apply
    New players only. Min. deposit £10. Account balance is withdrawable at any time. Upon withdrawal, any remaining bonus spins are forfeited. 7 days to active spins. Bonus spins expire 24 Hours after activation. Full T&C's Apply. Play responsibly.
  • Casino.com
    20 No-Deposit Spins
    For Age of Gods
    180 Bonus Spins
    For Age of the Gods
    £100 Bonus
    This bonus is 100% up to £100
    18+, new UK players only, be GambleAware.
    New customers. Spins: 20 on registration, 180 after deposit, winnings given as bonus funds, 20x wagering. Spins and bonus wagering on Age of the Gods games only. Welcome bonus: £20 min deposit, max bonus £100, wagering 40x. Game weighting applies. Betting limits: slots - £5 all other games – 10% of bonus amount. See T&C for details.
  • £40 Bonus
    This bonus is 400% up to £40
    18+, new UK players only, be GambleAware. Full Terms Apply
    New Customers Only. Minimum deposit £10. 35x wagering requirement apply. Bonus will expire 30 days after opt-in. Further T&Cs apply.
  • £50 to play on Bingo & Slots
    The Promotion consists of: 200% bingo bonus & 200% games bonus both up to a maximum of £100.
    18+, new UK players only, be GambleAware. Full Terms Apply
    1st depositors only. Min £10 deposit, get 200% bingo bonus [BB] + 200% games bonus [GB] (max £100 per bonus). Must be claimed within 7 days. GB wins capped at £100, exc. PJP win. GB valid on specific games only. Wagering req. apply: 2x (deposit + BB funds) and 50x GB funds (vary by game); Withdrawal restrictions & Full T&Cs apply
  • 100 Bonus Spins
    For Fruity Friends
    £50 Bonus
    This bonus is 100% up to £50