Best Online Casino Sites

Top UK casinos - 2021

We’ve reviewed over 250 leading UK casino sites to provide the most complete list of the best online casinos in 2021. Every site in our index is licensed for British players and tested by our experts to ensure your total safety and security. We only recommend the top online casinos in the UK, offering the best gaming experiences.

We analyse over 10 unique factors to review online casino sites, including everything from bonus amounts to branding and design. Our reviewers played at every website in our index to provide you with real recommendations and advice.

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We rely on our relationships with partner sites to keep our service free. We receive compensation from many of the brands featured on Online Bingo UK which may influence how we display them.

However, we only recommend brands that we believe are safe, fair and trustworthy. The commission we receive does not affect the impartiality of our content.
1

100% Casino
Welcome Bonus

Over 18s and new players only.

HeySpin is a top choice for players looking for a fun and fresh online casino. This casino site is just as suited to players who like to spin the reels on the go as it is players who enjoy the desktop experience, with games like Starburst, Steam Tower or Mega Moolah. New players can claim a 100% welcome bonus when they sign up and deposit!

Terms & Conditions: New players only. 18+. Min deposit £20. Wagering requirements apply 35x.

  • First Deposit: 100%
  • Casino Wagering: 35x
  • Launched: 2016
2

100% Bonus +
50 Free Spins

Over 18s and new players only.

After taking Germany by storm, Voodoo Dreams has finally launched in the UK. The welcome offer includes a 100% first deposit bonus up to £50. With an attractive VIP scheme too, you won't need voodoo magic to make you sign up and start playing!

Terms & Conditions: 18+ new players only. Maximum £50 bonus. Minimum deposit: £20. Deposit Bonus wins are capped at £500. Max bet with active bonus: £2. Wagering requirement 100% match deposit bonus: 30 times sum of deposit + bonus. Winnings from Free Spins are credited as Real Money without wagering requirement. Some games may not be played with an active bonus. Games may contribute differently when wagering a bonus. Deposit Bonus expires after 30 days if wagering requirement has not been met. Free Spins expire after 3 days. One bonus allowed per person, address, device, IP. Full terms and conditions apply.

  • First Deposit: 100%
  • Casino Wagering: -
  • Launched: 2016

Launched in 2018, Jonny Jackpots is a fun online casino that has many fan-favourite titles from popular industry providers, including Mega Moolah, Book of Dead and more. With a monthly promotions calendar, players can keep up to date and follow along to earn loyalty points, maximising their wins and collecting exciting bonuses on the way! New players can redeem Jonny Jackpots latest welcome of 500 free spins, on their first 5 deposits!

Terms & Conditions:¬†18+. New players only. One welcome package per player. Max bonus bet ¬£5, Min deposit ¬£20, 1‚Äčst deposit: get 100 bonus spins, 2‚Äčnd‚Äč Deposit: get 75 bonus spins, 3‚Äčrd‚Äč deposit: get 125 bonus spins, 4‚Äčth deposit: get 50 bonus spins, 5‚Äčth‚Äč deposit: get 150 bonus spins. All spins are on slot game Book of Dead only. Bonus funds must be used within 30 days and bonus spins within 10 days. Spins winnings credited as bonus. ‚ÄčMax winnings from bonus spins are equivalent to the number of spins awarded. ‚ÄčBonus funds separate to Cash funds, and are subject to 35x wagering and withdrawal requirements. Terms Apply.

  • First Deposit: FS100
  • Casino Wagering: 35x
  • Launched: 2018
4

825 bonus spins 
on your first 5 deposits

18+. New players only.

CasiGO is one of the most exciting online casinos available today, with hundreds of games available for players to dive into! New players can even signup and treat themselves to their exciting welcome offer of 825 bonus spins!

Terms & Conditions: 18+. New players only. One Welcome Package per player. Max Bonus Bet £5. Get 3 Bonus spins for every £1 deposited up to 165 spins for each of your first 5 deposits. Min. deposit is £20. All spins are on Book of Dead only. Bonus funds must be used within 30 days ad bonus spins within 10 days. Spins winnings credited as a bonus and capped at an amount equivalent to the number of spins awarded. Bonus funds seperate to Cash funds, and are subject to 35x wagering and withdrawal requirements. Full T&C's apply.

 

  • First Deposit: -
  • Casino Wagering: 35x
  • Launched: 2020
5

£100 Bonus +
100 Free Spins

Over 18s and new players only.

Duelz Casino is brand new to the UK audience, offering slot games, classic casino games like roulette and poker and a unique player vs player game that runs in the background. New players can claim a bonus worth up to £100, with a further 100 free spins on Book of Dead! Get involved and try out the exclusive Duelz 3 vs 1 slot game.

Terms & Conditions: 18+ new players only. Min deposit: £20. Max £100 bonus. Max bet with active bonus: £2. Wagering required 100% match bonus: 30x deposit + bonus. Max win from welcome bonus: £500. 100 Free Spins are given out 20 per day on Book of Dead for 5 days in a row. Max Free Spins winnings: £100. Free Spins winnings credited as bonus money with 45x wagering & 3 days expiry. Deposit bonus & Free Spins wins are forfeited 30 days after bonus is credited if the wagering is not met. Game weighting and restrictions apply. Full terms and conditions apply.

  • First Deposit: 100%
  • Casino Wagering: 30x
  • Launched: 2021
6

24 hrs Free Bingo
+ 30 Free Spins

Over 18s and new players only.

You'd be crazy to miss this welcome offer! With 24 hours of free bingo and 30 free spins on your first deposit, MrQ online casino has one of the most impressive bonuses. Sign up and choose from hundreds of casino and slot games.

Terms & Conditions: First deposit only. Min deposit & spend £10. Max 30 spins on VALHALLA at 25p per spin. Spins credited upon spend of £10. Terms and conditions apply.

  • First Deposit: FS20
  • Casino Wagering: -
  • Launched: 2018

Sloty Casino is a slots specialist with a massive selection of slot games to suit all players. You will find all the latest video slots here from the industry‚Äôs top developers. On arrival at the site players are introduced to a homepage among the clouds where you can see a logo with wings and the tagline ‚ÄėCity of Slots‚Äô!

First time depositors can claim a 100% welcome bonus worth up to £100 at Sloty Casino, plus enjoy 300 free spins paid out at 30 freebies per day for 10 days. Other top promos include bonus free spins every week and happy hours. For those looking for more than slots, you’ll also find live dealer games, exciting roulette tables and progressives.

Terms and Conditions: 18+ Full T&Cs Apply.  New players Only. £10 min deposit. £5 max bet using bonus. 40x wagering applies. Bonus valid for 14 days. 20 Spins will be credited instantly upon qualifying deposit + then 20 per day for 9 days on pre-selected games. Free Spins valid for 72 hours from credit. Max Free Spins winnings £100. Ewallets excluded. - www.begambleaware.org

  • First Deposit: ¬£1
  • Casino Wagering: 40x
  • Launched: 2017
8

£100 Bonus
+ 300 Free Spins

Over 18s and new players only.

Newly-launched site Casino Lab is sure to be a hit. The science-themed site offers all the slot games, video slots and live casino games that you'd expect to find at an online casino, as well as a 'Welcome Infusion' of 100% up to £100 and 300 free spins on Reactoonz.

Terms & Conditions: Min. deposit £10.  40x wagering requirements. 30 free spins credited upon deposit,  remainder credited 30 per day for 9 days on Reactoonz slot. Full T&Cs apply.

  • First Deposit: 100%
  • Casino Wagering: 40x
  • Launched: 2020
9

100% Bonus
Up to £50

Over 18s and new players only.

Enjoy £50 in bonus funds and 50 free spins on Book of Dead by signing up to Miami Jackpots! Deposit a minimum of £10 to claim the 100% match bonus and enjoy a wide range of casino games, including slots, roulette, live casino and poker. Don't forget to use the code MJ100 to claim this welcome bonus!

Terms & Conditions: First Deposit Only. Min. deposit: £10, max. Bonus £50. Game: Book of Dead, Spin Value: £0.10. WR of 30x Deposit + Bonus amount and 60x Free Spin winnings amount (only Slots count) within 30 days. Max bet is 10% (min £0.10) of the free spin winnings and bonus amount or £5 (lowest amount applies). Free Spins must be used before deposited funds. First Deposit/Welcome Bonus can only be claimed once every 72 hours across all Casinos. Full T&Cs apply.

  • First Deposit: 100%
  • Casino Wagering: 30x
  • Launched: 2019

PokerStars is a star-studded casino, perfect for slots, casino and sports fans alike! Right now, new players can enjoy TWO wager free promotions. Receive 50 Free Spins when you sign up, as well as 100 Free Spins on your first deposit! The rewards don't stop there...At PokerStars, players can earn StarCoins every time a real money game is played which can be exchanged for free spins, casino instant bonuses and more through the sites 'Stars Reward' program,

Terms & Conditions: 100 Free Spins Terms -¬†Offer is available to new PokerStars Casino customers.¬†Deposit ¬£10 or more with the bonus code ‚ÄėCASINO100‚Äô via debit card.¬†The Free Spins can be declined or redeemed within 7 days of issue.¬†The Free Spins can be used on selected games.¬†Wins from Free Spins will be paid as cash once all Free Spins have been played.Only real money wagering will contribute towards the wagering requirements for this offer. 50 Free Spins offer -¬†To qualify, players must sign up to PokerStars Casino. The 50 Free Spins will be credited within 5 minutes of account verification. In some instances, players may have to send copies of identity documents. The 50 Free Spins can be declined or redeemed within 7 days of issue; they will no longer be available after this time. See site for full T&C's

  • First Deposit: FS100
  • Casino Wagering: -
  • Launched: 2015
11

150 Free Spins
+ £150 Bonus

Over 18s and new players only.

New to the market, Play Magical adds a sprinkle of magic to your gameplay! Hosting a huge selection of the best slot games, why not see if Play Magical is going to be your new favourite site. New players can claim a £150 welcome bonus and 150 free spins!

Terms & Conditions: First 3 Deposits only. Min deposit £10 1st and 2nd deposit, min £20 3rd. Max cumulative bonus £150 and 150 spins. Bonus match amount varies per deposit. Spins awarded on one of four chosen games. 50x wagering on Deposit + Bonus, 50x on bonus spins. 10x max bonus conversion or £5,000, whichever is lower. £5 max bonus stake. Full T&Cs Apply.

  • First Deposit: 100%
  • Casino Wagering: 50x
  • Launched: 2019
12

Win up to 1000%
Match up Bonus

18+. New players only.

If you're familiar with other sites running on the Jumpman Slots programme, you'll probablt be able to find your way around Easy Slots fairly easily. As always on Jumpman sites, new players get to spin the Mega Reel for a chance to win up to 500 free spins.

Terms & Conditions: 18+. New players only. Minimum deposit £10 to receive a free spins of the 'Bonus Wheel'. £1,000 max bonus, max bonus conversion equal to lifetime deposits (up to £250). 65x wagering requirements and full T&c's apply.

  • First Deposit: 1000%
  • Casino Wagering: -
  • Launched: 2017
13

100% Deposit
Match up to £300

Over 18s and new players only.

Sun Vegas is the newest online casino from the same company that bought you the fantastic Sun Bingo, offering a mobile friendly design and a name you can trust. Enjoy live casino games and hundreds of slots with a generous 100% match welcome bonus up to £300! 

Terms & Conditions: 100% bonus up to £300 on your first deposit · New Customers Only · Min Deposit £10 · 50x WR ·  Offer must be accepted within 72 hours. Bonus Valid for 30 Days · Max bet restrictions apply · Bonus can't be withdrawn. Bonus can only be spent on Slot Games · Skrill/Moneybookers and Neteller are not valid for this promo · Real money balance can always be withdrawn.

  • First Deposit: 100%
  • Casino Wagering: 50x
  • Launched: 2018