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 62 bonuses worth £16,180
  • Captain Spins
    5.0
    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
  • 21 Prive Casino
    4.7
    New Bonus
    200 Bonus Spins
    For Starburst, Gonzo's Quest
    £1,300 Bonus
    This bonus is 100% up to £300 + 75% up to £300 + 50% up to £300 + 25% up to £300 + 100% up to £100
    18+, new UK players only, be GambleAware.
    New players only. One offer per player. Minimum deposit of £20. Max bonus bet £5.Bonus funds must be used within 30 days and bonus spins within 10 days, otherwise any unused shall be removed. 200 Bonus spins are valid on the following games only: Gonzo’s Quest and Starburst. Bonus spins to be credited at a rate of 40 bonus spins per day over five days, triggered on your first deposit. Bonus spins winnings credited in the form of bonus funds and capped at £100. Bonus match offers are 100% of your first deposit up to £300. 75% of your second deposit up to £300, 50% of your third deposit up to £300, 25% of your fourth deposit up to £300, 100% of your fifth deposit up to £100. Bonus funds are separate to cash funds and are subject to 35x wagering on the your bonus funds only. Terms apply. BeGambleAware.org
  • Casino.com
    4.8
    New Bonus
    200 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. MIN DEPOSIT £20. 40 FREE SPINS ON FIRST DEPOSIT. 160 FREE SPINS AFTER FIRST DEPOSIT (20 PER DAY). MAX WIN £100. 20X WAGERING. DEPOSIT BONUS 40X WAGERING. EXPIRES 30 DAYS FROM ISSUE. ELIGIBILITY, GAME, PLATFORM, PAYMENT RESTRICTIONS AND T&CS APPLY.
  • Casushi
    4.7
    New Bonus
    50 Bonus Spins
    For Book of Dead
    £50 Bonus
    This bonus is 100% up to £50
    18+, new UK players only, be GambleAware.
  • Fruit Kings
    4.7
    New Bonus
    100 Bonus Spins
    For Gonzo's Quest
    £100 Bonus
    This bonus is 50% up to £100
    18+, new UK players only, be GambleAware.
  • LeoVegas
    3.6
    New Bonus
    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. New players only. No deposit needed. 3 days to claim & 3 day expiry. 10x free spins worth 10p on Book of Dead. New 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. 18+ BeGambleAware.org.
  • HeySpin
    4.0
    25 Bonus Spins
    For Starburst
    £25 Bonus
    This bonus is 100% up to £25
    18+, new UK players only, be GambleAware.
    Terms and Conditions apply. New Players only. +18. Min deposit £20. Wagering requirement apply 35x. Offer valid for 24hr
  • Slotnite
    4.1
    200 Bonus Spins
    For Aloha - Cluster Plays + Gonzo's Quest + Temple of Nudges
    £500 Bonus
    This bonus is 100% up to £250 + 50% up to £200 + 50% up to £50
    18+, new UK players only, be GambleAware.
    New players only. One offer per player. Min Dep £10. Max bonus bet £5. 1st dep offer is 100% up to £250 + 100 Bonus spins on Aloha Clustes Pays. Spins expire after 10 days, funds after 30 days. Bonus funds separate to cash. Wager Req of 35x Deposit + Bonus apply. Terms Apply. BeGambleAware.org
  • Hello Casino
    4.5
    50 Bonus Spins
    For Gonzo's Quest, Starburst + Asgardian Stones, Bloodsuckers 2
    £500 Bonus
    This bonus is 100% up to £100 + 50% up to £250 + 50% up to £150
    18+, new UK players only, be GambleAware.
    New players only. One offer per player. Min Dep £10. Max bonus bet £5- 1st dep offer is 100% up to £100 + 25 Bonus spins on Gonzo’s Quest or Starburst. Spins expire after 10 days, funds after 30 days. Bonus funds separate to cash. Wager Req of 35x Deposit + Bonus apply. Terms Apply. BeGambleAware.org
  • £100 Bonus
    This bonus is 100% up to £100
    Up to 50 Free Spins as No Deposit Bonus after registering account
    18+, new UK players only, be GambleAware. Full Terms Apply
    New players only. Up to 50 (20p) free spins on for Reel Royalty. Winnings paid as bonus credit with 20x wagering requirement. 7 days expiry. Max withdrawal from bonus winnings £50. T&Cs apply, BeGambleAware.org
  • 50 Bonus Spins
    For Age of the Gods, Age of the Gods - God of Storms™, Age of the Gods™ Goddess of Wisdom, Age of the Gods™ Fate Sisters, Age of the Gods™ Furious Four, Age of the Gods™ King of Olympus, Age of the Gods™ Prince of Olympus, Frankie Dettori’s™ Magic Seven, Frankie Dettori’s™ Magic Seven Jackpot, Halloween Fortune, Halloween Fortune II, Ice Cave, Stars Awakening, Cat in Vegas, Gem Heat, Mr Cashback
    Use code GAMES100
    18+, new UK players only, be GambleAware.
    New Casino customers only. £10 Minimum transfer and stake. £10 Minimum stakes within 7 days. Minimum 5 game rounds. Game restrictions apply. Maximum 50 Free Spins on selected games, credited within 48 hours of qualifying. Free Spins expire after 7 days. E-Wallet & Prepaid Card restrictions apply. SMS validation may be required. Full T&Cs apply.
  • Pokerstars Casino
    4.8
    100 Bonus Spins
    For Diamond Stars Classic, Stars Invaders Classic, Tomb of Ra Classic, Sticky Fruits Classic, Football Frenzy, Grabba Dabba Dough, Royal Rush
    Use code CASINO100  Deposit £10 with code ‘CASINO100’. Then bet £10 on any casino games for 100 Free Spins.
    18+, new UK players only, be GambleAware.
    New casino players only. Min. £10 deposit with code ‘CASINO100’, debit card only. Valid on 7 slots. 7-day expiry. All spins must be used before cashout allowed. Terms apply.
  • 150 Bonus Spins
    + Starburst + Starburst + Starburst
    £50 Bonus
    This bonus is 100% up to £50
    18+, new UK players only, be GambleAware. Full Terms Apply
    New Players Only. Bonus spread over 1st 4 deposits. Spins applied in batches of 50 on 2nd & 3rd & 4th deposits. 1st: 100%. Min deposit £10 max bonus £50. 2nd, 3rd & 4th: Min deposit £20. 35x wagering on bonus & spins. Spins are credited on Starburst & expire after 24 hrs. T&C’s Apply 
  • Betway
    4.7
    £50 Bonus
    This bonus is 100% up to £50
    18+, new UK players only, be GambleAware.
    New customers only. Opt-in required. 100% Match Bonus up to £50 on 1st deposit of £10+. 50x bonus wagering applies as do weighting requirements. Debit Card deposits only. Irregular gameplay may invalidate your bonus. This offer is valid for 7 days from your new account being registered. Full Terms apply. 18+. BeGambleAware.org. Bet The Responsible Way.
  • PlayUK
    4.0
    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.
  • Netbet
    4.1
    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, up to 500 Free Spins, 40x Plt on Free Spins winnings. T&aCs apply
  • Coral
    4.1
    £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.
  • 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.
  • Casino 2020
    4.5
    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
  • MrQ
    4.7
    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
    4.1
    £30 Bonus
    This bonus is 150% up to £30
    18+, new UK players only, be GambleAware.
  • PlayToro
    4.0
    25 Bonus Spins
    For Wild Toro
    £50 Bonus
    This bonus is 100% up to £50