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Finding the best online casino sites in the UK can be difficult, which is why the experts at Football Whispers have shortlisted the top sites for you right here.

Best online casino sites UK - 2021


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Get a 100% deposit match bonus here

(Aged 18+. New UK customers only. Opt-in required. 30 bonus spins on Book of Dead game upon registration. 100% deposit bonus up to £300, minimum deposit £10. 30x wagering requirements apply (game weighting applies). Maximum bonus bet £5. T&Cs apply. Please gamble responsibly.)


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Get £30 free bets + 60 free spins here

(New UK & NI customers only. Promo code ‘SPORTS60’. Deposit & place first sports bet of £10+ in one bet transaction, at odds of Evens (2.0) +. settled within 60 days. First bet must be on Sports. £30 in Free Bets credited within 48 hours of bet settlement, 7-day expiry. Payment restrictions apply. SMS validation may be required. Max 60 Free Spins on Justice League Comics. 7-day expiry. Full T&Cs apply.​)

888 Casino

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Get Casino funds worth £88 here

(New players only. Claim within 48 hours. 14-day expiry. FreePlay (FP) wins credited as bonus & capped at £10, excl. JP wins. Valid for selected games. Bonus wins capped at £500, excl. JP wins .50x wagering – req. vary by game. Bonus expires in 90 days. Withdrawal restrictions, T&Cs apply.)


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Get £50 in casino bonuses here

(Aged 18+. New customers only. Minimum spend £10 on qualifying games. Certain deposit types excluded. £50 bonus on selected games subject to 40x wager req. Must accept within 14 days, valid for 30 days. Player restrictions and T&Cs apply.)


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Sign up with bet365 here

Casumo - thousands of premium games to choose from

Casumo is one of the newer online casinos in the game, but they’ve set up a quality gaming experience for current members. If you are yet to join, you can grab a 100% deposit match worth up to £300 along with 30 free spins. That’s pretty huge in our book, and there are also more than 2,000 casino games to explore. These are split between categories such as live gaming, slots, jackpots, and table games like roulette and blackjack.

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Betfred - top games and an incredible welcome offer

Betfred has established a reputation as the bonus king over the years, and this is particularly true for the casino product. Not only can new customers make the most of 50 free spins with zero wagering requirements, but the casino library is full of classics too. With jackpots for titles like Age of the Gods and others such as Buffalo Blitz and Lucky Emeralds, it’s no wonder that this is one of the most popular online casinos in the game. If you are considering registering with this casino, be sure to check out the Betfred sign up offer.

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888 Casino - sheer quality at every turn

You would struggle to find a casino platform that looks more professional than 888 Casino, and that goes for any of the best online casinos we’ve listed here. This site just looks incredible, with shimmering titles for many different categories - not to mention the £88 no deposit offer for brand new customers. 888 Casino is bursting with mainstream titles too, which means you can use the offer to explore many top games.

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Coral - a bonus hunters dream

Besides the £50 casino welcome bonus on the table for new customers, Coral is one of the more rewarding sites in terms of existing player offers. With promotions like the rewards grabber, and further deposit matches, as well as free spins, Coral is undoubtedly a highly generous casino site. This is primarily why we have them listed as one of the best online casino sites right now, but the casino games are also incredible with Coral. With modern 5-reel games, classic 3-reel titles, jackpots, and megaways, the selection here rivals the best of the best.

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Bet365 - online casino with a unique twist

Casino gamers wouldn’t always jump to bet365 when thinking of the best online casinos, but after reviewing the site, we just had to list them. Bet365 is packed with popular slots, but it has another section that other sites don’t - the ‘bet365 originals’ that is packed with games you just won’t find anywhere else. As you might imagine, this gives a truly unique casino experience, which is why we have bet365 down as one of the best online casino sites to check out in 2021.

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Picking from the best casino sites

There are many factors to consider when sourcing the best online casinos in the nation, and this can lead to confusion and frustration. This is why we’ve come up with our list of the top five casino sites currently available in the UK. This list has been created following hours of research and comparison, but now, you’ve got access to them all right here. 

Welcome bonus

To kick things off, the welcome bonus is always one of the first things to address. You need to check how difficult it is to get the offer, what the monetary value is, and whether this value is diminished by stringent wagering conditions or you could just stick to the best online casino sites we’ve listed to get the best value.

Range of popular games

Besides the welcome incentive, it almost goes without saying that you need access to a wide range of popular games to truly enjoy your online experience. We would keep an eye out for classic jackpots like Mega Moolah, as well as others such as Starburst and Gonzo’s Quest. Of course, there are many others, but this is a good place to start.

Availability on mobile

It’s almost always the case that the casino library on desktop sites is more densely populated compared to mobile platforms. However, you may as well try to get as close to the full range as possible by looking for sites that have implemented games into either the mobile site or mobile app.

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Potential payouts

This factor comes with two parts. Firstly, you should check out the overall RTP of the site - anything over 95% is commendable. Besides this, you should look for jackpot games that have payouts of six and seven-figures, as this makes things truly exciting when you are spinning the reels.

How to sign up with the best online casino sites

Choose your preferred online casino

Taking all of the factors we’ve mentioned into account, you’ll want to narrow things down to select just one or two sites for starters. As you get more familiar with how to play at online casinos, you can sign up with more sites, but for now - just look for a site that looks suited to your needs.

Open the registration page

We have direct links to the sites we’ve mentioned, so you can click through and be at the registration page in seconds. Alternatively, if you pick a site we haven’t mentioned here, you’ll have to look for the ‘register’ or ‘sign up’ link on the homepage.

Pick your welcome offer

Some sites do require that you opt-in for your desired welcome offer when signing up. Don’t worry, this will be explicitly stated during the process if this is necessary. On a side note, pay attention to whether you can only claim one bonus or another.

Make a deposit and play

After you have successfully opened up your account, whether at the best online casino sites or with another platform, you’ll have to make a deposit to play the games. Most sites support methods such as bank transfers, prepaid cards, e-wallets, and debit cards these days, and the minimum can sometimes be as low as £5.


What are the standard subcategories for casino gaming?

There are all kinds of subcategories for online casino games, with some of the more common kinds being slots, table games, jackpots, live casino titles, and progressives.

How will I know if a mobile app is available?

The shortcut would be to simply head to the main site and look for the iOS or Android logos. However, you can also head into the respective app stores (Apple or Google Play) and search for the app this way.

When can I cash out winnings from the bonuses?

This depends on the terms of the offer. If there are no wagering restrictions, you can withdraw your winnings immediately. But if there are wagering conditions, you’ll need to meet these terms before you can make a withdrawal.

How high do the progressive jackpots go on the top sites?

Some of the largest progressive jackpots have payouts that run into the millions of pounds, as seen with games like Jackpot Giant and Mega Moolah.

Should I verify my account after signing up?

Yes! While most sites will ask that you verify your details anyway, you can get a headstart and verify your details immediately after registration. This will prevent any unwanted restrictions placed on your account further down the line.

How much does it cost to play the best casino games?

This is one of the best factors of choosing to play at the top sites. For most games, you can play for as little as a few pence, especially for slots. For other games like blackjack and roulette, the standard minimum tends to be around £1.

Should I install software for live casino gaming?

Only if it is advised by the site you are using. More often than not, these live casino games are streamed using their own software, so you won’t need to go and install any extra files to make sure that the streams/games perform correctly.

What are some other products that the best online casinos support?

Besides the main casino libraries, many of the best online casino sites have products like poker for you to experiment with. And on top of these, some multi-product sites even support sports betting in addition to these. Examples of such sites would be Coral, Betfred, and bet365.

Is there a way I can protect my account?

Absolutely - there are many ways you can protect your account from any breaches. Some of the main ways people protect accounts is to enable two-factor authentication, to set-up some security questions, and some even choose to make a 4-digit PIN code for mobile app logins.

Football Whispers breaks down the beautiful game with statistical analysis, feature articles and expert betting tips. Please gamble responsibly.