Best Online Casino Bonus UK 2017

When you decide to play casino games online, one of the most important things to look for is a generous online casino bonus. Every Bonus Casino online faces masses of competition to have you as their customer - which is why you will find that the typical casino sign up offer is so generous!

Check the best casino bonus UK operators list below, to see which one is the best fit for you. All of the online casino bonus offers listed are exclusive to CasinoGuide - you won't get them if you go straight to the site yourself!

For the best online casino bonus in the UK, just choose your favourite and click Play Now!

Get Your Online Casino Bonus

Choosing the best online casino bonus in the UK is not so difficult with the help of our extensive list of Bonus Casino UK options. Pick your top online casino bonus, based on the casino joining bonus, or our in-depth reviews.

Something you may not have realised; the casino sign up bonus and online casino deposit bonus amounts that you see in our list above are exclusive to CasinoGuide - even beating the online casino bonus offers you would get directly from the casino websites themselves!

Remember, you only get one chance to collect your casino signup bonus, so make sure that you get the best online casino bonus UK operators can provide! After collecting your casino sign up offer, you will often have the opportunity to also claim an online casino deposit bonus for adding money to your account.

Finding An Online Casino Bonus

Choosing a Bonus Casino is now significantly easier thanks to our list of the best casino bonus UK options. On browsing our best online casino bonus list you'll find that there are actually several Bonus Casinos online who want to compete for your custom as a player!

It's certainly not a bad idea to keep checking our best casino bonus UK list every so often, especially if you are someone who likes to get their hands on every exclusive casino signup bonus they can!

Bonus Casino websites exist in a highly competitive industry, and as such are always trying to outdo each other with the best casino promotions and online casino bonus offers. Our list is home to some of the best online casino welcome bonus offers that you will find anywhere.

Bonus Casino Online Incentives

online casino bonus uk

Casino bonus offers don't stop after you sign up!

Apart from the online casino deposit bonus, there are several other types of casino bonus online that you can receive from the online Bonus Casino that you choose to play at. Whilst many online casino welcome bonus deals can look very similar at first glance, these casino signup bonus offers often have varied wagering requirements which change the ways that they should be used.

For example, one online casino bonus may stipulate that a certain percentage be used on playing Blackjack and another online casino bonus will need to be spent on Slots. The same applies if you are claiming a Bingo bonus or using Virtual Casino bonus codes.

Once you've collected your casino signup offer and your online casino deposit bonus, and begun playing, you could be forgiven for thinking that's all the online casino bonus offers you can expect. In this case, you could find yourself pleasantly surprised as some Bonus Casino sites also offer account reload bonuses, loyalty bonuses, and even referral bonuses, along with countless other special deals that you can acquire once registered. 

By knowing how to identify the best online casino bonus in the UK, you are ensuring that you get as much bang for your buck as possible.

Online Casino Bonus Offers

While browsing different Bonus Casino sites to compare what’s best for you, you might also find a certain type of online casino bonus online known as a 'sticky bonus'. As you may be able to guess from its name, this kind of casino bonus 'sticks', meaning that it can’t be withdrawn from your account, although the bonus amount can be used to play games and win real money casino games.

Any winnings that you accumulate are yours to keep, just remember to subtract the casino bonus amount from your account balance in order to make an accurate calculation of the amount you can withdraw. Some Bonus Casinos will actually show this as a separate amount for your convenience.

Additionally, existing Bonus Casino customers can also benefit from reload bonuses, which work in a similar way to how welcome bonus casino UK operators credit your account with when you initially signup. These smaller bonuses are a form of online casino deposit bonus, usually activated or offered to you for use once you deposit additional money into your account.

If you are looking for an online casino bonus that will reward you for playing on your mobile device, either via your browser or by downloading the app, you may be interested in our list of mobile casino bonus offers.

Casino Sign Up Offer: What To Look For

Shopping around is the key to success in finding a casino which exactly suits your needs as an online player, and this is certainly true when it comes to finding a Bonus Casino. Keep in mind that online casinos are ready, willing and able to tempt you with a highly generous online casino signup bonus, in the hope that you try out their site for the first time and like it so much you come back again.

Slots promotions, for example, can be very lucrative indeed. You can find out if playing Slots is your jam by trying our free casino Slots game, here on CasinoGuide (no signup necessary). When it comes to making the most of your online casino bonus, Slots is definitely a game worth playing.

Never forget to check the fine print of any online casino bonus that you receive. For example, collecting a casino bonus (Slots only) promotion naturally implies that you will only be allowed to receive your casino bonus by playing Slots.

One cool new feature that is gaining traction in the casino bonus world is the concept of offering players a choice between several different bonuses, for example: 500% match on deposits up to £100, or 300 free spins on selected Slots games. One of the Casino Room bonus offers gives you just such a choice.

Online Casino Bonus Types Explained

Have all the different terms for all of the various online casino bonus offers got you confused? You're not alone if so. Which is why we have put together this useful glossary!

The first thing to understand is that all online casino bonuses fall into one of two categories; sticky, or non-sticky.


Sticky Bonus

As you make your deposit and receive your bonus, the deposit becomes automatically transformed into the Bonus. You can only withdraw your casino balance after completing the wagering requirements.


Non-Sticky Bonus

Your deposit is always available to be withdrawn, regardless of the bonus. When you start playing in the casino, your deposit is used up first, and if/when that runs out, you move onto your bonus.

Welcome Bonus (AKA Signup Bonus / First Deposit Bonus)

Another name for the casino signup bonus, the online casino welcome bonus is a token of appreciation from your Bonus Casino of choice, to thank you for choosing to play with them. As many players choose to stay with the Bonus Casino they first play at, it stands to reason that the most generous online casino bonus you get will probably be your casino joining bonus, as welcome bonus casinos want you to have the most positive first impression possible.

You'll have the most success if you are planning to make a deposit shortly after signing up. However, if you find yourself biting your nails at the thought of making your first deposit and playing for real money, you should definitely look into a No Deposit Bonus Casino. These will enable you to play at a proper online casino just by using your casino sign up offer.


Exclusive Bonus

  •  Only available at CasinoGuide
  •  Often as much as 2x the usual bonus amount
  •  Play with your bonus for longer!

See List


No Deposit Bonus

  •  Offered by casinos to tempt you into joining
  •  Given once sign up complete
  •  Use to begin playing instantly

No Deposit Casinos


Reload Bonus

  •  Encourages you to keep playing
  •  Given to players who top up after their first deposit
  •  Higher deposit = higher bonus

Cashback Casinos


Loyalty Bonus

  •  Special bonuses for players who stay with an online casino
  •  Sometimes tailored to your favourite games
  •  Makes playing more rewarding!

See List


Free Spins

  •  Exclusively for use on Slots games
  •  Essentially allows you to play for free, until you run out
  •  One of the most common bonus sweeteners

Free Spins


High Roller Bonus

  •  Related to Cashback bonus
  •  Only players making large deposits are eligible
  •  Rewards big deposits with big bonuses

Casino Deposit Bonus

Other Bonus Information

As well as knowing the above bonuses, you will also want of be aware of a few miscellaneous ones:

  • Bonus codes
  • Deposit match
  • Reload bonus

Casino Bonus T&Cs

Always make sure you examine the terms and conditions when you accept an online casino bonus offer - these can very a great deal from casino to casino, and can affect things like:

  • Which games you can play with your bonus
  • What requirements you have to complete before being able to withdraw your bonus winnings
  • How much time you have to use your bonus before it expires

Casino Bonus Wagering Requirements

One of the most important things to be aware of when claiming an online casino bonus, is its wagering requirements. This is what dictates how many times you need to 'play through' your bonus, before you are able to withdraw your balance and all of the winnings within.

Wagering requirements vary, not only from casino to casino, but even from bonus to bonus within a single casino. Typically, they only apply to the Welcome Bonus, but it is always wise to check the terms for yourself to be sure.

Although they can seem a little bit daunting and complicated, the calculations for figuring out a casino's wagering requirements are simpler than they appear. It's easiest to get your head around it by using an example.


You make a deposit of £20 into your new online casino account right after signing up.


The casino gives you a £20 bonus to thank you for signing up and making a deposit.


 The wagering requirements of that bonus are x30, meaning the money has to be 'played through' 30 times.

Once you know this, the calculation is simply: bonus x wagering requirement. So in this case:

£20 x 30 = £600

This means, you will need to bet at least £600 before you are able to cash out your bonus. This amount is known as your 'play-through' requirement.

What Is The Game Contribution Percentage (GCP)?

This is the final piece of information you need to know before you start spending your bonus money. The GCP is the proportion of your bets that count towards your bonus 'play-through' requirement, and it varies from game to game.

Typically, online Slots games have a GCP of 100% - the casinos relying on the house edge and lack of strategy required to ensure their profit margin.

On the other hand, table games that involve more strategy, such as Blackjack and Roulette, will typically have a GCP of 10-25%.

Once you know this other crucial piece of information, you simple divide the play-through requirement by it:

  •    Slots: £600 / 100% = £600
  •    Blackjack: £600 / 15% = £4000

Good to know
When you are playing with a sticky bonus, calculate using the deposit + the bonus, as they are bundled in together in these cases.

Online Casino Bonus Codes UK

Some new online casinos offer casino bonus codes to new and existing users, as a way of redeeming special types of casino bonus. While everyone loves an online casino bonus, it can sometimes be a hassle to remember casino bonus codes, which is why we have saved you the trouble here on CasinoGuide.

All you have to do to claim your online casino bonus from one of our recommended Bonus Casinos above is click the Play Now button - by doing so, you will automatically be eligible to receive the special casino bonus offers exclusive to CasinoGuide readers.

Specific Casino Room Bonus Code

If you want to see the different casino bonus offers provided by a particular online casino, you can find this information in the expert review we have compiled by clicking the Review button. Any casino room bonus code that you may need can be found there if it is not automatically applied for some reason.

You can also expect to receive online casino bonus codes on a fairly regular basis once you're signed up and playing regularly at your choice of Bonus Casino. Casino bonus codes in promotional emails and other messages, along with reload bonuses are the most common methods that a Bonus Casino will use in order to retain as many long-term players as possible.

Casino Bonus Bagging

Casino Bonus Bagging is a means of obtaining favourable online casino bonus deals often employed by advanced and experienced Bonus Casino players. 'Bonus Baggers' (as they are known) are always on the hunt for the best casino bonus online which they can use to turn into pure profit.

Fundamentally, Bonus Baggers will only play and invest their money in an online casino game if they are absolutely sure that they will be able to gain a considerable profit from their online casino deposit bonus and casino signup bonus.

Clearing Your Online Casino Bonus

Knowing how and when you will 'clear' your online casino bonus is important, as this is the point at which you have met all wagering requirements and are free to withdraw your account balance if you so choose (putting you 'in the clear', so to speak).

If your favourite game is Slots, then obviously the first priority is to enjoy yourself whilst playing the game. Often you will find that you meet your wagering requirement and clear your casino bonus without really having intended to do so, at which point you have the choice of carrying on, or withdrawing.

Bonus Casinos FAQ

Still confused? We don't blame you - online casino bonuses can be pretty complicated sometimes! If you're just looking for a quick 'n' dirty answer, here's a quick rundown of the more common questions we receive about Bonus Casinos here at CasinoGuide.

How do I claim my casino bonus?

Assuming that you choose to play at one of our recommended Bonus Casinos listed above, then all you need to do is hit the 'Play Now' button and we'll take care of the rest. The casino you choose will automatically know that you have come from CasinoGuide and will apply the correct bonus to your account once you make your first deposit.

How soon can I withdraw my casino bonus?

Almost without exception, online casino bonuses come with wagering requirements that you must meet before you can withdraw that money. Casinos ultimately view your welcome bonus as an investment in you as a customer, and they want you to spend it on enjoying yourself with them. Read more about wagering requirements above.

Which type of bonus is usually the biggest? How can I maximise my bonus amount?

In order to get the absolute maximum possible benefit from your casino bonus, you should sign up via the relevant 'Play Now' link in the list above. Once you have registered, you will be able to make a deposit which unlocks all sorts of bonuses, such as the standard Welcome Bonus, First Deposit Bonus, and Match Deposit Bonus. Your first deposit bonus is always likely to be your biggest, so it makes sense to make it a big one.

How many different kinds of bonus are there?

Short answer: a lot! Depending on definitions which occasionally vary between Bonus Casinos, there are approximately 10 different kinds. The main ones are explored in our 'Online Casino Bonus Types Explained' section above.

Find The Best Online Casino Bonus in the UK

Even if you only just started gambling online, you will almost certainly know by now that most online casinos can be called a Bonus Casino, considering they usually offer at least a casino signup bonus to potential new players. 

You'd be mad not to take up the offer of an online casino bonus - you're essentially being paid to play! Find the best Bonus Casino UK players can access in our list today, and enjoy the benefits.

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