Best Online Casino Sites in 2021

Compare the offers of all the best online casinos available to UK players and get the top bonuses to play games online. Find the online casinos that offer exactly the games you are looking for, go through our UK casino reviews to discover our tests, and don't forget to claim the welcome offer to get started! More info here.

Looking for Something Specific?

From the best online casinos to discover all the latest video slots to the top sites to play live dealer games, the team at oddschecker worked really hard to create lists of the best sites for UK players.

If you already know what you are looking for, go ahead and click on the links below to get direct access to the top games and offers of 2021.

New Casino customers only. Deposit min. £10. Applies to first deposit to Casino only. Max. bonus £100. 20x wagering (game weighting, table coverage and max. bet rules apply) on deposit and bonus to make the bonus balance withdrawable. Time limits and T&Cs apply

New customers only. Min deposit £10. Min £10 stakes within 7 days. Min 5 game rounds. Max 50 free spins on selected games. Each line on the slot will hold a value of 1p. Each free spins will play out using all lines of the selected game. To receive bonus users must open a qualifying slot and click accept in the pop up. Once credited, customer will have 3 days to accept free spins. Free spins expire after 7 days. No wagering requirements on free spins winnings. begambleaware.org. UK resident only. T&Cs apply

New accounts only. Min. £10 deposit, debit/credit card and PayPal only. Up to 50x wagering, game contributions vary, max. stake applies, 7 day expiry. See full terms. T&Cs apply

New players only • No Deposit Offer: Claim in 48 hrs • 14 day expiry • FreePlay (FP) wins credited as bonus & capped at £10, exc. JP win • 50x wagering • Deposit Offer: £20 min deposit • 14 day expiry • FS wins credited as bonus • Valid for selected games • Bonus wins capped at £500, excl. JP wins • 30x wagering - req. vary by game • Bonus expires within 90 days • Withdrawal terms, No Deposit Offer terms & Deposit Offer terms apply. T&Cs apply

Casino Reviews

Don't know much about online gambling and not sure about what makes a site the best online casino in the UK? Go check our casino reviews!

On oddschecker you find in-depth reviews of all the top casinos licensed by the United Kingdom Gambling Commission (UKGC), with useful info about the games on offer, the providers available at each site, the payment methods, the mobile offer, and lots more

To compile our list of top 20 online casinos in the UK, our team of casino experts analyse every aspect of each operator. For your peace of mind, we research also the companies that run the operations -- so you can be sure everything is in check when you register an account to play.

We also make the bonuses easy to understand, so you always know exactly what you are going to get and what you need to do to redeem an offer.

The ones below are just an example of the best online casinos you find reviewed on our award-winning gambling guide. If you are new to gambling, read the reviews, see what each site offers, and use our tests to find the best online casino for you!

Live Casinos and offers

Here you will find all the best live casino offers from leading operators such as 888, Betfair and Ladbrokes. Sign up through Oddschecker by clicking the link to receive your live casino bonus today! read more

New & exclusive players only • £20 min deposit • To receive the bonus wager 20 x (deposit amount) within 21 days • To withdraw bonus & related wins, wager 50 x (bonus amount) within 21 days • This offer may not be combined with any other offer • Deposit balance is available for withdrawal at any time • General withdrawal restrictions & T&Cs apply

New Customers. Deposits between £20-£100 (max 4) wagered 35x (% game weightings apply) within 30 days on qualifying slot games will unlock cash bonuses of an equal amount.15 days to accept/opt into each bonus. T&Cs apply

18+. New customers only. Use code live. 100% deposit match up to £200. Available on selected live casino and table games only. 7-day expiry on bonus. 40x wagering (max bet 25% of bonus) before bonus balance can be withdrawn. Wagering is with real money first. Game contribution weightings apply to wagering requirements. £20 min deposit and 2.5% fee (min 50p). Not available using Neteller or Skrill. Cash balance withdrawable anytime + £2.50 fee. T&Cs apply

The Live Casino Welcome Bonus is only available to players who create an account and make their first deposit at Vegas Hero.You may only claim one Welcome Offer (Welcome Package or Live Casino Bonus). Once you have claimed one, you will not be eligible for the other. To be eligible to claim the Live Casino Welcome Bonus, players must deposit a minimum of £10 in one instance. The Live Casino Welcome Bonus is subject to a wagering requirement of 40 times, unless otherwise stated. Deposits made via Skrill or Neteller are not eligible for the Live Casino Welcome Bonus. T&Cs apply

The Live Casino Welcome Bonus is only available to players who create an account and make their first deposit at Casino Cruise. You may only claim one Welcome Offer (Welcome Package or Live Casino Bonus). Once you have claimed one, you will not be eligible for the other. To be eligible to claim the Live Casino Welcome Bonus, players must deposit a minimum of £10 in one instance. The Live Casino Welcome Bonus is subject to a wagering requirement of 40 times, unless otherwise stated. Deposits made via Skrill or Neteller are not eligible for the Live Casino Welcome Bonus. T&Cs apply

Mobile Casinos and offers

Here you will find all the best sign up bonuses for mobile optimised casinos. Some even have specifically designed apps for all your gaming needs read more.

Reviews and offers

New customers only. Minimum deposit £20, maximum bonus £200. Wager 40x before withdrawing. Game weighting applies. Max bonus betting limit – slots: £5, other games: 10% of bonus amount. T&Cs apply

18+. New players only. 20x wagering requirement. Expires after 7 days. Max withdrawal from bonus winnings £200. BeGambleAware.org T&Cs apply

New Casino Bonuses

Here you'll find all of the newest UK casinos with their latest sign up bonuses.

Reviews and offers

18+. New customers only. Promotion valid from 23.04.20. Min. £50 first deposit required. Bonus spins added after min. £50 loss on casino slots. Offer active for 14 days from registration. 500 bonus spins on qualifying slots. No wagering on bonus spins winnings. Bonus Spins valid for 7 days. Bonus spins worth £0.10 each. Deposit method restrictions. begambleaware.org. T&Cs apply

New customers only, min deposit £20, wagering 40x, max bet £5 with bonus funds. Max bonus is 100% up to £100. No max cash out on deposit offers. Welcome bonus excluded for players depositing with Skrill or Neteller. Cashback is cash with no restriction. Full T&C’s apply T&Cs apply

Significant T & C - 18+ New players Only. £10 min deposit. £5 max bet using bonus. 40 x wagering applies. Bonus valid for 14 days. 20 Spins on Starburst games will be credited instantly + then 20 per day for 4 days. Free Spins valid for 72 hours from credit. Max Free Spins winnings £100. Skrill + Neteller excluded. Always refer to Bonus Terms - www.begambleaware.org T&Cs apply