Best UK casino bonuses and welcome offers 2025 🎰
Find the best casino bonuses including 150% match up to £300, 100 no deposit free spins and up to 10% cashback every week. Get started with our expert-recommended bonuses at UKGC-regulated online casinos below.
Our top picks for May
#1 Top rated casino
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- Great selection of online slot machines.
- 1000+ Slots with 150+ Live Casino games
- Optimised for Mobile Play
- Fast Withdrawals
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Check out our 3 favourite bonuses
Every month, we refresh our top casinos based on how we think their offers stack up. All of our top-rated casinos are tested meticulously before we recommend including getting hands-on with their game selection, customer service, withdrawal process their bonuses. Check out our top casino bonuses for May:
1
Fortune Mobile Casino - Fortune Mobile Casino - best casino bonus for UK players
Pros
✅ 150% match bonus up to £500 - one of the highest match bonuses in the UK
✅ 150 free spins on some of the UK's favourite slots including Starburst and & Aloha!
✅ 30x wagering is below the UK average for cash bonuses
Cons
❌ Full bonus amount requires 3 deposits
Grab a market-leading bonus at Fortune Mobile Casino
Best for: The biggest bonuses on the UK market 🚀
Fortune Mobile Casino stunned me with one of the largest bonuses available on the UK market worth £500 over 3 deposits. This is a full £200 more bonus cash than the next biggest bonuses available at Dream Vegas and Grand Ivy. To sweeten the deal there are a further 150 free spins available on three leading NetEnt slots to claim. When I explored their promotional page I saw that there is plenty for existing players too. Deals like Weekly Wheels and Cash Spin Prizes mean the rewards keep on coming.
👨💻 User review: There are no user reviews for this casino just yet but we will update this section as soon as there is!
💡 Expert insight:"Fortune Mobile Casino offers a very impressive bonus with below-average wagering. The devil is in the details though. You will need to make 3 deposits to claim that full amount. Nevertheless, it is a market-leading bonus for the UK."
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Jackpot Mobile Casino - Jackpot Mobile - best mobile casino bonus
Pros
✅ £500 welcome package far exceeds most UK bonus offers
✅ 150 free spins included in a welcome offer on a selection of the UK's favourite Netent titles like Starburst or Aloha! Cluster Pays
✅ 30 wagering is below the UK average Cons
❌ Support hours are not 24/7
Best for: mobile gaming 📲
I love claiming bonuses and playing casino games on the go. This is why I loved Jackpot Mobile Casino. You have access to hundreds of games and bonuses that blow most competitors out of the water. A £500 bonus + 150 free spins over 3 deposits makes 100% up to £100 at top casinos like Jackpot City and Pub Casino look tiny. They also offer lower wagering requirements than both these sites.
👨💻 User review: There are no user reviews for this casino just yet but we will update this section as soon as there is!
💡 Editor’s insight: "Very little separate this and our top pick on this page and it is well worth checking them both out to see what you prefer. On both casinos, you are guaranteed big bonuses from day one and plenty of potential for more rewards as time goes on too."
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Grand Ivy - Grand Ivy Casino- best for match bonus
Pros
✅ 150% match bonus up to £300- one of the highest match bonuses in the UK
✅ Free spins included in the welcome offer with 75 free spins on Big Bass Bonanza (valued at £7.50).
✅ 10+ payment providers and over 2500+ games - widest selections on the UK market Cons
❌ Common complaint from customers around slow withdrawal times with extreme examples touting 2 weeks to receiving funds Best for: Casino match bonus 💸
Flexing one of the most generous bonuses on the market, Grand Ivy Casino brings a lot to the table with its 150% match up to £350 for a total of up to £525 in bonus funds. The free spins on offer also give plenty to shout about with 75 free spins on Big Bass Bonanza; more than what is offered from other top sites like Luna Casino at 50 free spins.
👨💻 User review: "upgraded to 5 stars as money was processed yesterday afternoon (well within the 48 hours) and it hit my account by 5:50am today - whole process from start to finish has been great! Thanks guys 100% recommend!"
Mr Sam G. - Trustpilot review, 10th March, 2024
💡 Editor’s insight: "Grand Ivy Casino offers one of the most comprehensive casino bonuses around including a generous match bonus and free spins to boot. The casino's selection of over 3,000+ games also means there's plenty to get your hands on including extensive online slots and live casino offerings."
"Other players reviews can give you a good gauge on how much value a bonus offers. Doing a bit of research can go a long way in avoiding disappointment."
Claim a bonus in three simple steps
Pick a casino bonus from our toplist to match your preferences.
Once you have chosen your casino bonus, fulfil the requirements of the T&Cs to access the offer.
Meet any wagering requirements and withdraw your winnings.
"Look for sites with big casino sign-up bonuses and low wagering requirements to maximise the amount of real money you have available to play."
Get the bonus that suits your gameplay
We can match you with the best offer to match your game play. Don't believe us? Give it a try!
Bonus finder
Our database covers the best sites in the UK - which one will you draw?
How to choose the best bonus for you
Remember to do your research and read the T&Cs before you dedicate to a casino bonus. Online casinos aren't actively trying to catch you out but the age-old saying rings true; if it sounds too good to be true then it usually is.
Step 1: Understand the terms
Doing your homework is key to getting the most of your casino bonuses. Don't feel like you need to dedicate to the first decent bonus you find as there could be juicier choices on offer.- Payment method: make sure the payment method you want to use is an option
- Deposit amount: check out much you need to deposit, and what percetange you get as bonus funds
- Time limits: Do you have a reasonable time to be able to complete the wagering?
- Game contribution: Not all games qualify towards wagering. Make sure your prefered game type is there.
Step 2: Get to grips with wagering
Find out how many real money bets you have to make to be able to withdraw your bonus money from your casino. Generally, these will be around 35x but can be higher depending on the casino bonus on offer.- Wagering: This is expressed as x35 and indicates how many times you need play your deposited or bonus amount to complete the bonus
- Playthrough: This indicates the amount in money terms you need to playthrough ie £200
| Playthrough calculation | |
|---|---|
| Bonus amount | £20 |
| Wagering | x35 |
| Playthrough | £700 |
Step 3: Try our bonus calculator
Bonus Calculator
Choose a casino:
What would you like to deposit?
Deposit£20get£20in free credit
Bonus breakdown:
Free credit
£20
Total bankroll
£40
Playthrough
£600
Wagering requirement: x30
Types of casino bonuses
The range of casino offers available is diverse and each one can benefit you in different ways.
Depending on the games you like to play, how you play, and how much you play, you should choose a bonus that reflects this. Let's take a look at the most common bonus types.
- First deposit bonuses
- One of the most common examples of this would be the 100% up to £100 deposit bonus match. In this case, the casino bonus will be the same amount as your deposit in bonus cash.
- Free spins bonuses
- Free spins bonuses
- Free spins are a welcome bonus for slots. Games are pre-selected and can include titles like Big Bass Bonanza, Starburst or Book of Dead. You can even find free spins with no wagering that let you keep what you win.
- No deposit bonuses
- No deposit bonuses
- All you would need to do in this case would be to register your details, opt-in or add a bonus code, and you will receive a casino bonus without making a deposit.
- Cashback
- Cashback bonuses award a percentage of your total bets back periodically as bonus cash. These can be on our total betting amount or can be applicable on all real money losses.
- Loyalty programs
- Players benefit from recurring, frequent casino bonuses by returning and playing at a casino regularly
Casino bonus stats
What's hot in online bonuses? We've compiled a snap shot of how players are enjoying their bonuses in the UK.
🏆Casino.org UK bonuses | 40+ |
🎁Biggest bonus | Grand Ivy |
🧑Editors pick | Fortune Mobile Casino |
⏩Bonus winnings payout speed | Grand Ivy |
🎰Popular slots for bonuses | Big Bass Bonanza, Rich Wilde & the Book of Dead, Starburst |
🔞Legal age | 18+ |
🍀Common welcome bonus | 100% deposit match |
Use your bonus responsibly
Gambling should always be seen as a form of entertainment, not a way to make money. We encourage you to set limits, play within your means, and look for the signs of problem gambling. If you ever feel at risk, there are resources available to help. Stay in control and gamble responsibly.
Frequently asked questions about casino bonuses
What are bonus codes and are they different to bonuses?
While most online casinos offer you an immediate bonus to play, some may require an additional activation. Once this code is entered into the correct box on its intended site, the bonus is activated.
Are online casino bonuses in the UK worth it?
Casino bonuses are worth it because they offer the chance to bag additional goodies including bonus cash, free spins or more. Be mindful of wagering requirements and maximise no deposit bonuses to truly get your money's worth.
What casino games can I use bonuses for?
That will be stated when you agree to claim a bonus with most online casinos stating the qualifying games. Generally, this is in the form of slots but can also cover the best table or live casino games too.
Are casino bonuses available for mobile play?
Yes, and there are even some fantastic casino bonuses which are exclusive to those playing on a mobile device. A mobile casino bonus can come in many different forms, ranging from no deposit bonuses to free spins on some of the best online slot games.
What makes a good bonus?
This is a matter of preference as the best online casino bonus for one may be different from one player to another. If you like online slots, then free spins are for you, while for those who want to have a bit more variety then cash-match deposit casino bonuses might suit your preferences better.
Can I claim casino welcome bonuses more than once?
Most of the time, the answer is no. Casino welcome bonuses apply to first-time depositors or registers with the casino. However, online casinos value your custom and often provide loyalty bonuses and further rewards for depositing funds along the way.
Why do gambling sites offer a casino welcome bonus?
Casinos offer welcome bonuses as means by which to entice you into their casino over their competitors. A good bonus is the best way for a casino to get new players and will further entice them with existing player bonuses like loyalty programs or exclusive deals.
Can I withdraw my casino bonus?
This depends on the bonus on offer and the wagering requirements applied. Bonuses with no wagering will allow you to withdraw instantly. Most other bonuses require you to meet certain criteria before you can withdraw winnings.
How long does it take to receive my bonus?
As long as you fulfil your required commitment, more often than not your online casino bonus will activate instantly. Check the terms and conditions of the bonus before you sign up to make sure though.
Why you can trust our experts
We've been your go-to source for casino reviews, industry news, blogs, and game guides since 1995. But it's not just our years of experience that make us trustworthy.
What we do
200+
UK bonus reviewed
20+
dedicated industry experts
30 years
of quality content and partnerships
25 step
review process
William Macmaster is a casino expert who has spent his career connecting players from across the world with unforgettable experiences at safe and reliable online casinos. You can rely on him to provide you with the knowledge you need to get more out of your online gambling experience.
Ian grew up in Malta, Europe's online gaming hub and home of top casino regulators and auditors such as eCOGRA and the Malta Gaming Authority. After completing his Master's degree in Glasgow, he returned to Malta and started writing about casinos. He's worked on hundreds of casinos across the US, New Zealand, Canada, and Ireland, and is a go-to authority for Casino.org's team.
Sources
- United Kingdom Gambling Commission- Governing body for casino compliance in the UK.
- eCogra- Focused around casino and gambling regulation and certification.
- BeGambleAware- For all info on player safety in relation to gambling & gambling addiction.
- SSL Encryption Software- Everything on casino encryption including personal details and payment info.
- Casino Life Magazine- Primary source for all things casino news including expert insight on bonus types
- insideKent Magazine- Top tips on maximising casino bonuses
