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100% Deposit Bonus

Licences checked on the UKGC registerUpdated First published

What is a 100% bonus? | Why choose a 100% bonus? | How to claim a 100% match bonus | 100% bonuses for new & regular players | Eligibility for 100% bonuses | 100% casino bonus terms and conditions At GreenBet, we compare UK casinos to present you with the best offers that double your money!

Jump to the ranking of 11 sites

On this page
  1. Best 100% Deposit Bonuses of 2026
  2. Wagering & Max Cashout on a 100% Bonus
  3. Double Your Money & Then Some!

11 welcome offers with the terms spelled out

Wagering, qualifying deposit and code — before you claim, not after
Wagering
Offer
  1. Jackpot City

    100% up to £100 plus 100 free spins on Gold Blitz

    • Wagering 10x
    • Min deposit £20
    • 100 free spins

    What costs you Qualifying deposit £20 — among the highest in this list.

    Licensee
    Betway Ltd, licensed by the UK Gambling Commission
    Wagering
    10x on the bonus amount
    Qualifying deposit
    £20
    Who can claim
    New customers only. Full terms apply on the operator site.
  2. 888 Casino

    Deposit £10 and stake £10 — get 100 free spins

    • No wagering
    • Min deposit £10
    • 100 free spins

    What costs you Spins only — there is no deposit match in the welcome offer.

    Licensee
    888 UK Ltd, licensed by the UK Gambling Commission
    Wagering
    None — winnings are cash
    Qualifying deposit
    £10
    Who can claim
    New customers only. Full terms apply on the operator site.
  3. VoodooDreams

    Up to 140 free spins on a £25 deposit

    • Wagering 10x
    • Min deposit £25
    • 140 free spins

    What costs you Wagering 10x has to be cleared before anything can be withdrawn.

    Licensee
    SuprPlay Ltd, licensed by the UK Gambling Commission
    Wagering
    10x on the bonus amount
    Qualifying deposit
    £25
    Who can claim
    New customers only. Full terms apply on the operator site.
  4. Slots Magic

    100% up to £50 plus 50 spins on Big Bass Bonanza

    • Wagering 10x
    • Min deposit £10
    • 50 free spins
    • Code MAGIC

    What costs you The offer only works with code MAGIC — it is not applied automatically.

    Licensee
    Skill On Net Ltd, licensed by the UK Gambling Commission
    Wagering
    10x on the bonus amount
    Qualifying deposit
    £10
    Who can claim
    New customers only. Full terms apply on the operator site.
  5. Swift Casino

    100% up to £25 plus 100 free spins on Book of Dead

    • Wagering 10x
    • Min deposit £10
    • 100 free spins

    What costs you Nothing is credited below a £10 deposit.

    Licensee
    Skill On Net Ltd, licensed by the UK Gambling Commission
    Wagering
    10x on the bonus amount
    Qualifying deposit
    £10
    Who can claim
    New customers only. Full terms apply on the operator site.
  6. 777 Casino

    77 no-deposit spins, then 100% up to £20

    • Wagering 10x
    • Min deposit £10
    • 77 free spins
    • Code 100WELCOME

    What costs you The offer only works with code 100WELCOME — it is not applied automatically.

    Licensee
    888 UK Ltd, licensed by the UK Gambling Commission
    Wagering
    10x on the bonus amount
    Qualifying deposit
    £10
    Who can claim
    New customers only. Full terms apply on the operator site.
  7. UK Casino Club

    £700 welcome package spread over your first five deposits

    • Wagering 10x
    • Min deposit £10

    What costs you No free spins in the welcome offer at all.

    Licensee
    Apollo Entertainment Ltd, licensed by the UK Gambling Commission
    Wagering
    10x on the bonus amount
    Qualifying deposit
    £10
    Who can claim
    New customers only. Full terms apply on the operator site.
  8. BacanaPlay

    100 spins on Big Bass Bonanza

    • Min deposit £10
    • 100 free spins

    What costs you Spins only — there is no deposit match in the welcome offer. Here that means qualifying deposit £10, 100 spins.

    Licensee
    Skill On Net Ltd, licensed by the UK Gambling Commission
    Qualifying deposit
    £10
    Who can claim
    New customers only. Full terms apply on the operator site.
  9. Playzee

    100% up to £25 plus 500 Zee Points

    • Wagering 10x
    • Min deposit £20

    What costs you A deposit match and nothing to play the slots with.

    Licensee
    White Hat Gaming Ltd, licensed by the UK Gambling Commission
    Wagering
    10x on the bonus amount
    Qualifying deposit
    £20
    Who can claim
    New customers only. Full terms apply on the operator site.
  10. Zodiac

    £1 deposit gives 80 chances on Mega Moolah

    • Min deposit £1

    What costs you Nothing is credited below a £1 deposit.

    Licensee
    Apollo Entertainment Ltd, licensed by the UK Gambling Commission
    Qualifying deposit
    £1
    Who can claim
    New customers only. Full terms apply on the operator site.
  11. Spin Casino

    Stake £20 and get 150 free spins

    • No wagering
    • Min deposit £20
    • 150 free spins

    What costs you Nothing is credited below a £20 deposit.

    Licensee
    Betway Ltd, licensed by the UK Gambling Commission
    Wagering
    None — winnings are cash
    Qualifying deposit
    £20
    Who can claim
    New customers only. Full terms apply on the operator site.

No offer in the list matches both filters. Set one of them back to Any.

Offers and terms were taken from the operator sites and the UKGC register. We earn a commission when you open an account through a link on this page; it does not change the offer you get.

Online gambling is 18+ in Great Britain, and the offers we list are open to new customers only.Every site we list here holds a licence from the UK Gambling Commission, and we check the entry on the public register before a site goes into a rating. Offers change — read the terms on the operator site before you deposit.Gamble responsibly: BeGambleAware · free helpline 0808 8020 133

So, let’s have a look at our list of the top UK casinos that offer a 100% Bonus.

Best 100% Deposit Bonuses of 2026

It’s safe to say that 100% Deposit Bonuses are the most popular bonus in the online casino world. This welcome bonus will greet you at many UK online casinos and promise to double your money!

You might be a first-time player, accessing an online casino for the very first time. Or, perhaps you're a seasoned player, looking for that new casino to explore. For some players, bargain hunting for 100 casino bonuses is an activity in itself, trying to find that sweet deal that will get you double your playing funds.

As enchantingly brilliant as a 100 bonus sounds, finding the right deal for you, amongst a myriad of bonuses on offer in the increasingly dense online casino space, can be quite tricky. You can easily be overwhelmed by the heap of offers thrown at you. The numbers, the percentages, the terms and conditions - what do they all mean and how do you choose the best 100 bonus at a casino?

Luckily, we’re here to help! Here's what we've got in store for you:

  • What is a 100% deposit bonus?
  • Why choose a 100% casino bonus?
  • How to claim a 100% deposit bonus?
  • 100% Bonuses - Only for new players?
  • Wagering & Max Cashout on a 100% Bonus
  • Summary

Eligibility for 100% bonuses

There are terms and conditions that come with all casino bonuses out there. These Ts and Cs will vary according to each bonus offer and will generally outline who is eligible to claim the bonus. Here are some things you can check to ensure you aren't left out:

  • The bonus might only be for new players; you won't be able to sign up again with a different email address to get the bonus twice. 
  • You might not be able to claim the bonus if you deposit through a certain payment method (such as Neteller or Skrill). 

Wagering & Max Cashout on a 100% Bonus

All this talk of 100% Bonuses can sound pretty enticing, but there are a few conditions and limitations that apply to these bonus funds given by the casino. Let’s have a look at some of these restrictions and explain exactly what they mean for you as a player:

  • Maximum Bonus Amount:
    The casino may agree to match your deposit at 100% but that doesn’t mean that you can deposit any amount you wish and get a guaranteed duplication. Casinos place limits on these bonus offers, meaning that they will only double up to a certain amount. A common bonus offer will read something like: ‘100% Deposit Bonus Up To £100’. This means that the casino will match your deposits up to £100. Any amount you deposit over £100 will not be matched. So, if you deposit £200, you will still only get an additional £100.
  • Wagering Requirement:
    You’ll often find a condition that looks like this, ‘50x Wagering Requirement’. This wagering requirement is basically a multiplier that identifies the number of times you have to play through a bonus before you will actually be able to withdraw any of your winnings. So, if you claim a £10 bonus with a 15x wagering requirement, you’ll have to play or 'wager' £150 before you can make a withdrawal. Note that not all games count towards the wagering requirements so double-check before you start wagering on a particular slot or casino game.
  • Max Cashout:
    This refers to the maximum amount that you can withdraw from playing with the bonus. Even if you win when playing with your bonus money, and you manage to wager it, you might not be able to claim all of it. Anything you win and convert into cash (through completing the wagering requirements) over the max cashout limit will be forfeit.
  • Max Bonus Bet:
    This is the maximum amount you can place or wager on a game in a single bet when playing with bonus money. Normally, at UK casinos, this is set at somewhere around £5. Casinos implement max bet limits to ensure players can't take advantage of bonuses and wager them unfairly by placing large bets.

Double Your Money & Then Some!

That brings us to the end of our guide on 100% bonuses. We hope you now have a better understanding of what 100 casino bonuses are, what to look out for in the fine print and where and to get these match bonuses that double your money!

Want more than double your deposit? There are other bonuses out there that offer an even higher percentage, granting players a bonus match of 200% and even 300%!

With your newfound knowledge, you’re now ready to pick your casino bonus of choice and try out one of these offers for yourself! For everything about UK online casinos, including the latest bonuses and free spins out there, be sure to visit GreenBet!

Free spins in the welcome offer
Spin Casino

150 free spins

VoodooDreams

140 free spins

Jackpot City

100 free spins

888 Casino

100 free spins

MrQ

100 free spins

10bet

100 free spins

Swift Casino

100 free spins

BacanaPlay

100 free spins

777 Casino

77 free spins

PlayOJO

50 free spins

Slots Magic

50 free spins

Karamba

20 free spins

Videoslots

11 free spins

13 of the 17 sites we list put spins in the welcome offer.

Frequently asked questions

What is a 100% deposit bonus?

Deposit bonuses for new players come into effect when you deposit your initial funds at an online casino. In its simplest form, a 100 casino bonus will match your deposited funds by 100%, essentially doubling your money.

So, if you had to deposit £20, the casino would match your money and give you another £20 on top. These bonus funds awarded by the casino are generally kept separately from your deposited funds. Additionally, they are paid in the form of bonus money, which comes with its own set of advantages and constraints, but we’ll talk more about this later.

Why choose a 100% casino bonus?

So, why would you want a 100% casino bonus? Well, apart from the obvious advantage of getting free money, a casino 100 bonus can serve a very useful purpose in any online casino player’s books.

With your 100 match bonus, you can go on a free tour of your new casino. At any new gambling site, you’ll want some first-hand play time to get a feel of what this new casino’s features include.

Even though you can read a review, it's not the same as playing for yourself. You can have extra time to discover what slots the casino has, from which game developers, and what the overall experience will offer you.

By doubling your initial deposit, you’ll be able to continue playing should fate’s cruel hand rob you of your deposited funds. Normally, you will play with your cash funds first and, if you lose, you’ll have your bonus money to keep you covered.

At this point it’s worth mentioning that at most online casinos, your bonus funds will have a wagering requirement attached to them, meaning you will have to wager your bonus amount a certain number of times before you can make a withdrawal.

So, you should really look for casinos that keep bonus money and real money in separate wallets. By having the bonus money separated from your deposited funds, you will make sure that your personal funds are not subject to the same wagering requirements that are imposed on your bonus money. This is because your bets won't be made with a mix of cash and bonus funds.

How to claim a 100% bonus?

By now you must be thinking, that’s all well and good, but how do I actually get one of these 100 no deposit casino bonuses? Not to worry. We’ve outlined the simple process in a few easy-to-follow steps that you’ll be able to complete within just a few minutes:

  1. Firstly, we have compiled a list of the top UK casinos with 100% bonuses so you can easily pick the offer which appeals the most to you.
  2. Now, sign-up to the casino. Fill in all of your details and complete the registration form.
  3. Next, you will need to make a deposit. The amount you top up will need to meet the minimum requirements.
  4. Once your deposit is confirmed, your money will be doubled!
100% Bonuses - Are They Only for New Players?

So, we’ve gone through the basics of what a 100% casino bonus actually is, but are these offers exclusively available for new players? What if you're an avid online player, who enjoys their casino of choice and you have no intention of switching to another? Does this mean that you’ll never be able to take advantage of these match bonuses?

While most 100 casino bonuses are generally welcome offers for new players, certain casinos have VIP and Loyalty Programs which give perks to regular players. These perks include Reload Bonuses which players can get when they make a ‘reload’ deposit. Sometimes, you will have to deposit on a certain day or play on a selected game to enjoy this sort of bonus.

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