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 55 bonuses worth £13,945
  • 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
  • Grosvenor Casino New Bonus
    £30 Bonus
    This bonus is 150% up to £30
    18+, new UK players only, be GambleAware.
  • Play Toro New Bonus
    25 Bonus Spins
    For Wild Toro
    £50 Bonus
    This bonus is 100% up to £50
    18+, new UK players only, be GambleAware.
  • Pokerstars Casino New Bonus
    50 Bonus Spins
    For Tomb of Ra Classic
    18+, new UK players only, be GambleAware.
  • Pink Casino New Bonus
    £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.
  • Netbet New Bonus
    10 Bonus Spins
    For VEGAS GAMES
    £200 Bonus
    This bonus is 100% up to £200
    Use code WELCOMENB
    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
  • 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.
  • 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.
  • £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
    18+, new UK players only, be GambleAware.
    New players only. Min deposit £10. Wagering requirement apply 35x. Offer valid for 72hr. 100 spins include 3 deposits. Offer only applies to your first deposit and only for new players.
  • Kerching
    150 Bonus Spins
    For Starburst, Aloha! Cluster Pays, Finn and the Swirly Spin
    £500 Bonus
    This bonus is 100% up to £100 + 50% up to £100 + 50% up to £300
    18+, new UK players only, be GambleAware. Full Terms Apply
    First 3 deposits only, Min deposit £10, max total bonus £500 & 150 spins, 30x wagering (dep + bonus), 30x on spins, 4x conversion, Bonus and spins valid on selected slots only, Full T&Cs apply.
  • Monster Casino
    £5 No-Deposit Bonus
    50 Bonus Spins
    For Starburst
    £500 Bonus
    This bonus is 200% up to £50 + 100% up to £200 + 50% up to £250
    18+, new UK players only, be GambleAware. Full Terms Apply
    New Players Only, Max. Conversions €/£20, Only on Shamrock 'n' Roll, Mayan Marvels and Candy Swap, 100x Wagering, Age and Address Verified Players only, T's & C's apply
  • 300 Bonus Spins
    For Starburst, Finn and the Swirly Spin, Finn’s Golden Tavern
    Deposit between £10-£19.99 and you will get 100 Bonus Spins. Deposit £20-£49.99 and you will get 200 Bonus Spins.
    18+, new UK players only, be GambleAware.
    New players only. First deposit only. Min deposit £10. Min 100 bonus spins, max 300 bonus spins on selected slots only. 30x wagering. 4x conversion. T&C's Apply
  • 150 Bonus Spins
    For Selected games
    18+, new UK players only, be GambleAware. Full Terms Apply
    1st deposit only. Min deposit £10. 25 spins for 6 selected games. X40 wagering on free spins winnings. T&C apply
  • 100 Bonus Spins
    For Book of Dead
    £400 Bonus
    This bonus is 100% up to £100 + 100% up to £100 + 100% up to £100 + 100% up to £100
    18+, new UK players only, be GambleAware. Full Terms 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.
  • 21Casino
    £300 Bonus
    This bonus is 121% up to £300
    18+, new UK players only, be GambleAware.
    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.
  • 21.co.uk
    £10 No-Deposit Bonus
    £50 Bonus
    This bonus is 100% up to £50
    Deposit bonus only eligible for live casino.