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Terms: 18+, New customers only, min deposit £10, wagering 45x, max bet £5 with bonus funds. 100% up to £100 bonus on 1st deposit + 50% up to £200 on second deposit. Welcome bonus excluded for players depositing with Skrill or Neteller. Begambleaware.org 18+ T&C's | BeGambleAware®

Best Online Casinos: Top Casino Sites in May 2021

Here at Best Casino Bonus, we want you to gamble at some of the best online casinos around. We don’t want you to waste your time on the various poor-quality casinos out there, of which there are many. We want you to gamble on those websites which offer a good gaming experience and, of course, some pretty nifty bonuses to boot!

Latest Verified UK Online Casinos

Casinos Bonus Visit
Casino Joy

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100% up to £100 Bonus

200 Bonus Spins

Massive Games Collection Safe Casino Brand Superb Theme & Feel

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Gambling License

18+ Full T&C's Apply. New players Only. £10 min deposit. £5 max bet using bonus. 60x (40x referred player) wagering applies. Bonus valid for 14 days. 20 Spins will be credited instantly upon qualifying deposit + then 20 per day for 9 days on Starburst. Free Spins valid for 72 hours from credit. Max Free Spins winnings £100. Ewallets excluded. 18+ T&C's | BeGambleAware®
Mr Play Casino

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Welcome Bonus up to £200

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Amazing Slots Experienced Casino Company Fast Payouts Sports Betting Fair Bonuses

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Gambling License

Applies only to new depositing players. Min deposit £10. 18+. Wagering requirement apply 35x. Offer valid for 24hr. 100 spins includes 3 deposit. See full terms apply. 18+ T&C's | BeGambleAware®
Temple Nile Casino

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100% Bonus up to £500

30 Bonus Spins + 2 Reload Bonuses Up to £1000

Impressive Graphics Impressive Slots Selection Experienced Provider

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Gambling License

18+. New players only. 1 bonus offer per player. Min. deposit £20. Max bonus bet £5. Extra spins on selected games only- must be used within 72 hours. Bonus funds expire in 30 days, unused bonus shall be removed. Bonus funds are 100% match up to £500 + 30 extra spins on 1st deposit, 25% match up to £800 + 25 extra spins on 2nd deposit, and 50% match up to £200 + 50 extra spins on 3rd deposit. Bonus funds are separate to Cash funds, and are subject to 40x wagering the total bonus & cash. Only bonus funds count towards wagering contribution. Terms apply. 18+ T&C's | BeGambleAware®
Jackpot Village

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Bonus 100% up to £500

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Gambling License

18+. New players only. 1 bonus offer per player. Min. deposit £20. Max bonus bet £5. Bonus spins on selected games only- must be used within 72 hours. Bonus funds expire in 30 days, unused bonus shall be removed. Bonus funds are 100% match up to £500 + 50 bonus spins on 1st deposit, 25% match up to £800 + 25 bonus spins on 2nd deposit, and 50% match up to £500 + 30 bonus spins on 3rd deposit. Bonus funds are separate to Cash funds, and are subject to 40x wagering the total bonus, cash & bonus spins. Terms apply 18+ T&C's | BeGambleAware®
Casoola Casino

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100% up to £100 Welcome Bonus

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Experienced Company Behind The Scenes Trusted Over 1300 Games Fast Cashouts PayPal Accepted

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Gambling License

18+ Full T&C's Apply. New players Only. £10 min deposit. £5 max bet using bonus. 60x (40x referred player) 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. 18+ T&C's | BeGambleAware®

Why You Can Trust Our Casino Reviews

As you may well know there are hundreds, if not thousands, of online casinos out there for you to choose from. Some of them are brilliant places to gamble, others not quite so much. One of our jobs here at Best Casino Bonus Guide is to help you to find the best online casinos. We do not want you to put much effort into finding a place to gamble online. We want you to put the effort into actually playing and the top reviews that we put together on some of the best, and worst, casinos around ensures that you are able to do this.

How We Find the Best Online Casinos?

Now, we understand that finding the best UK online casinos can be very tricky. Especially if you are a new player or more so -  this is the first time you are thinking about playing casino games and slots online! That's why we are here, as we have a wealth of knowledge from years of playing online and off, so keep on reading to get the best tips and advice! We go through casino after casino to make sure that it is a good fit for our readers because, as we mentioned before, we only want you to be gambling on some of the biggest and best online casino websites around. We want you to have a fun time playing. We will judge online casinos based on a number of different factors.

Whilst we are constantly changing how we select the best casinos to gamble on, after all, the online casino industry is very much evolving, even years on from when it first began. That being said, there are a few things that we will always look for in the casinos that we review here:

  • Casino Games Selection: The number of games that a particular casino has on offer is a huge defining factor when it comes to the best online casinos to play on. Obviously, you are going to want to have a bit of a choice. Sure, if you are into just a single game e.g. roulette or slots, then the actual number of games available will not have that much of an impact on whether you work with a site or not. That being said, however, even if you do just play one game on online casinos, it is always nice to have a choice, just in case you ever want to change. After all, it means that you will be able to do absolutely everything that you want on one site rather than changing from site to site.
  • Reputation: The strength of the name of the company in the industry. This should not be that much of a deciding factor, although we will bear it in mind. One important note is that we only ever recommend UK Gambling Commission licensed casinos. This means that they are approved and also verified to be legitimate by the UK Gambling Commission. It also means UK players (and elsewhere for that matter) can have the peace of mind that a casino they are playing at is reputable or not. You see, you want to be gambling with a company that is reputable, after all. Yes, there are a few good smaller casinos out there, but these are few and far between at the moment. Overall, larger companies tend to offer a far better online gambling experience. They tend to have far better customer support, they tend to have faster cash withdrawals, and they tend to have a better UI.
  • Mobile Casino: Whether the site in question has mobile gaming or not. Now, for most people, this is not going to be too much of an issue. Some people just like to gamble whilst they are sitting at their computer, however, it is always good to have a mobile gaming option available, just in case you wish to get in a couple of games ‘on the go’
  • Bonuses on offer and their terms: The type of bonus available. For many people, this is going to be the deciding factor. This is what encourages people to sign up to a particular website. When you read the reviews on Best Casino Bonus, we will highlight what bonuses you will be able to enjoy. This includes free spins bonuses, VIP bonuses, high roller bonuses and of course: new player welcome bonuses (first deposit bonuses) We will also highlight whether there are any terms and conditions about that particular bonus which you should really be thinking about. Basically, if you are after a particular bonus and are making the decision about which casino to gamble on based upon that bonus, we will help you out.

Make Sure You Check Back Regularly & Play Responsibly

We, seriously, suggest that you check back on our website fairly often. We are always stumbling across new online casinos to review. We will also update our past reviews in light of any information that we receive. We will, of course, always try to keep on top of some of the best online casino bonuses out there too. Basically, when it comes to online casinos, Best Casino Bonus Guide should be your starting point at all times. We love online gambling as much as you do, and we want to show you that with top-quality casino reviews and high-quality content that will help you and hopefully you'll find entertaining!