Compare.bet is dedicated to helping customers find the best place to play online. Your safety and well-being is a priority, which is why all of our expert casino reviews are 100% honest and unbiased, and we highlight the key terms and conditions of every casino bonus we advertise. Whilst we accept commission from the casinos on our list of recommendations, and this may affect where they’re positioned on our lists, we only recommend casinos that we truly believe are safe and fair.
This page has been checked for accuracy by Adam Dickinson. Adam is our resident fact checker and has over five years of experience working in the gambling industry, including roles at PlayOJO, Betway and Entain plc.
Looking to grab a bankroll boost? We’ve put together an awesome lineup of casinos with the best bonuses available online. Compare and sign up to claim yours!
18+. UK & ROI only. New customers only. Deposit & spend £10, to get 50 Free Spins on selected slot games (Value £0.10 each). Use within 7 days. Restrictions and T&Cs apply.
New players only. Min deposit £20. Bonuses to a max of £100 + 50 spins. Wagering bonus 35x. Wagering bonus spins 35x. The winnings must be wagered within 21 days. Bonus T&Cs apply
#AD New players making their first deposits only. Min deposit £20. 100% deposit match, max £100 cash. 30x wagering on first deposit amount to receive cash. Redeposit allowed to complete wagering. 18+. Full T&Cs apply.
#AD 18+. Play Safe. New UK online customers only using promo code BBS200. Opt in required. Deposit & wager min £10 to claim 200 free spins at 10p per spin to be use on Big Bass Splash. 1x per customer. Free spins expires 72 hours from issue. Max £30 redeemable on free spin winnings. Payment methods restricted. Full T&Cs apply.
18+. New players only. Offer is valid on 1st deposit of min £10. 100% bonus match up to £250 plus 250 bonus spins on Big Bass Splash. Bonus funds + spin winnings are separate to cash funds and subject to 35x wagering requirement (bonus + deposit). Only bonus funds count towards wagering contribution. Winnings from Bonus Spins credited as Bonus funds and capped at £100. Bonus funds must be used within 30 days, spins within 24 hours. Max bonus bet £5. Affordability checks apply. Full terms in footer below. Play responsibly, GambleAware.org."
New customers only. Opt in required. 7 day free spin expiry. All free spins will auto play on first eligible game loaded. £5 staking requirement must be met within 30 days of opt in. Eligibility restrictions apply. 18+ further t&cs apply. Gambleaware.o
BoyleSports is a well-established name in the UK and Ireland's gambling industry, offering a casino experience that matches the quality of its renowned sports betting platform.
18+. Opt in. Selected UK/IRE players only. Not available with other Casino welcome offers. Min. cash wagering of £/€10 (cumulative). 48 hrs to stake, 168 hrs to play with Bonus (BNS). Max. redeemable £/€500 from BNS. 40x wagering on BNS. Cash balance used until bonus wagering req. complete. Once per player. Game, game weighting, player, account & payment restrictions apply. Expiry date & T&Cs Apply
Min. £10 in lifetime deposits required. Offer must be claimed within 30 days of registering a bet365 account. Select prizes of 5, 10 or 20 Free Spins; 10 selections available within 20 days, 24 hours between each selection. Max. prize, game restrictions, time limits and T&Cs apply.
#AD First deposit only.This offer is only available for first time depositors. Min deposit is £10. 80 Free Spins on Big Bass Bonanza. Spin Value: £_0.10. This offer cannot be used in conjunction with any other offer. This offer is only available for specific players that have been selected by PlayOJO. If you have arrived on this page not via the designated offer via PlayOJO you will not be eligible for the offer. Irregular play may lead to removal of reward. OJO's Rewards and Game policy applies.
Overall, the site is good, but it would greatly benefit from more game categories and filters to improve the browsing experience, which currently feels cumbersome and inefficient.
#AD 18+ New UK Customers only, Make your first deposit of at least £10. Receive your 100% bonus up to £200 and enjoy it on our thrilling slots. Full T&Cs apply
18+ only | General T&Cs apply | Please play responsibly | https://www.begambleaware.org. New Players Only. Wager from real balance first. 50X wager the bonus. Contribution varies per game. Selected games only. Wager calculated on bonus bets only. Bonus valid 30 days / Free spins valid 7 days from receipt. Max conversion: 3 times the bonus amount or from free spins: £20. Min Deposit £20 required. Withdrawal requests void all active/pending bonuses. Full Terms apply.
Welcome deposit offered straight away after signing up and an extensive games library with innovative features like live chats and plenty of deposit options
Offer is available to new customers who register via the promo code CASAFS. Winnings are paid in cash. Free spins valued at 10p. Get an additional 100 free spins when you deposit and spend £10 on eligible games. Full T&Cs apply.
18+ New players only, £10 min fund, deposit matchup % credited via bonus wheel, £2,000 max bonus, 65x wagering requirements, max bonus conversion to real funds equal to lifetime deposits (up to £250), T&Cs apply
Automatically credited upon deposit. Cancellation can be requested. First Deposit Only. Min. deposit: £10. Game: Book of Dead, Spin Value: £0.1. WR 60x free spin winnings amount (only Slots count) within 30 days. Max bet is 10% (min £0.10) of the free spin winnings amount or £5 (lowest amount applies). Spins must be used before using deposited funds. Bonuses do not prevent withdrawing deposit balance. First Deposit/Welcome Bonus can only be claimed once every 72 hours across all Casinos. Bonus Policy applies
#AD New Players Only. Wager from real balance first. 50X wager the bonus. Contribution varies per game. Selected games only. Wager calculated on bonus bets only. Bonus valid 30 days / Free spins valid 7 days from receipt. Max conversion: 3 times the bonus amount or from free spins: £20. Limited to 5 brands within the network. Withdrawal requests void all active/pending bonuses. Excluded Skrill and Neteller deposits. Full Terms apply
#AD New casino players only. Min deposit £20 with "FIRST500" required. Max deposit £500. 5 redemption points per £ requirted to convert Casino Instant Bonus into cash. Casino Instand and Freee Spins expire in 7 days. Selected slots only. Terms apply.
18+ New UK and IRL customers only. Deposits through debit cards only. 40x wagering requirement on bonus, within 7 days, on eligible slot games. Winnings from bonus capped at £500. Spins available upon completion of bonus. Full T&Cs apply.
#AD 18+ New Players Only. Wagering occurs from real balance first. 50X wagering the bonus. Contribution may vary per game. Available on selected games only. The wagering requirement is calculated on bonus bets only. Bonus valid 30 Days from receipt / Free spins valid 7 days from receipt. Max conversion: 3X the bonus amount or from free spins: £20. Limited to 5 brands within the network. Withdrawal requests void all active/pending bonuses. Excluded Skrill and Neteller deposits. Full Terms Apply.
18+ New Customers Only. Opt in, wager £10 on selected games, in 15 days. Get £15 in Bonuses (30x wagering) for Big Bass Splash + 20 Free Spins for selected games, after each £10 deposited and wagered within 15 days, up to max £45 in Bonuses + 60 Free Spins. 30 days expiry. Max redeemable £1,125. Selected payment methods only. T&Cs Apply. GambleAware.org | Please gamble responsibly.
New customers only. Opt-in required. Deposit £10 or more & wager 30x on casino games (contributions may vary) for 100% deposit match up to £200 extra & 100 Free Spins. Free spins on Big Bass Splash worth 10p each valid for 3 days. 7 days to deposit, wager, claim. One offer per player. 18+. T&Cs apply.
#AD 18+ New Customers Only. Min £10 deposit for welcom bonus.1st Deposit - Deposit between £10 - £49.99 to get 50 bonus spins, £50 - £99.99 get 100 spins, £50+ get 150 spins on Big Bass Splash. All winnings earned from the spins will be rewarded in bonus funds and carry a wagering requirement of 30x and conversion of 4x the total bonus amount earned. Full T&Cs apply
New members only, must opt in. Min £10 deposit & wager (excl. sports betting). 30 day expiry from deposit. 18+. Free Spins: on Double Bubble. 1p coin size, max lines. Bingo: Advertised ticket value based on £1 tickets. Game availability & restrictions apply.
18+ New customers only. Opt in and wager £5 on selected slots in 3 days. Get 1x£20 Slots bonus on selected games, 40x wagering, max redeem £500, expire in 20 days. + 50 Free Spins on Eye of Horus, which expire in 7 days. Scroll down for T&Cs. GambleAware.org. Please gamble responsibly.
New Players Only. Wagering occurs from real balance first. 50X wagering the bonus. Contribution may vary per game. Available on selected games only. The wagering requirement is calculated on bonus bets only. Bonus valid 30 Days from receipt/Free spins valid 7 days from receipt. Max conversion: 3 X the bonus amount. Limited to 5 brands within the network. Withdrawal requests void all active/pending bonuses. Excluded Skrill and Neteller deposits. Full Terms Apply
#AD New players only. Min deposit £10. Wagering 45x bonus., max bet £5 with bonus funds. Live casino play excluded with bonus. 100% up to £100 bonus on 1st deposit. Welcome bonus excluded for players depositing with skrill or neteller. No max cash out on deposit offers. Eligibility is restricted for suspected abuse. Click here for full T&Cs
#AD 18+ New UK Customers Only. 100% deposit match up to £200 on your first day deposit amount. The first deposit must be a minimum of £20 to qualify. Full T&C apply. Always Gamble Responsibly.
Click here for full T&Cs.New Customers by invite Only. Min Deposit £20 (exc PayPal). Max Bonus £30 (30x wagering & max wins £2000) & 100 Free Spins @10p playable on selected games (1x wagering on wins, max wins £500).
18+ new players only. Maximum £50 bonus. Minimum deposit: £20. Max bet with active bonus: £2. Wagering requirement 100% match bonus: 30 times sum of deposit + bonus. Winnings from Free Spins come as cash. Some games may not be played with an active bonus. Games may contribute differently when wagering a bonus. www.begambleaware.org For full bonus terms and conditions, please read below.
Minimum deposit: £20. Maximum £100 bonus. Max bet with an active bonus: £2. Wagering requirement 100% match bonus: 30x sum of deposit + bonus. Free Spins are given 20 per day on Book of Dead for 5 days in a row, log in is required. Winnings from Free Spins are credited as bonus money with a wagering requirement of 45x. Some games may not be played with a bonus. Games may contribute differently when wagering a bonus.
Welcome bonus for new players only | Maximum bonus is 100% up to £100 | Min. deposit is £10 | No max cash out | Wagering is 40x bonus | Maximum bet with an active bonus is £5. Eligibility is restricted for suspected abuse | Skrill & Neteller deposits excluded for welcome bonus | Cashback when offered, applies to deposits where no bonus is included | Cashback is cash with no restrictions |
#AD 18+, New Customers Only. 50% back of first-day casino losses refunded as bonus funds up to £50. Bonus funds to be credited the next day. Max Bonus winnings £500. First-day casino losses equals all casino losses incurred before 23:59. One bonus per person/household/email/IP address. Wagering min 5x. Full T&Cs Apply. Gambleaware.org, please gamble responsibly.
*Click for full Rules. New members only, must opt in. Min £10 deposit & wager. 30 day expiry from deposit. 18+. Free Spins: on Double Bubble. 1p coin size, max lines. Bingo: Advertised ticket value based on £1 tickets. Game availability & restrictions apply.
#AD New members only, must opt in. Min £10 deposit & wager (excl. sports betting). 30 day expiry from deposit. 18+. Free Spins: on Secrets of the Phoenix Megaways. Spins value: 20p each. Game availability & restrictions apply. ^Daily Free Game after first £10 deposit. Further terms apply. Click for full T&Cs.
#AD 100% up to £100 + 10% cashback. Maximum withdrawal on free spins of £100. Max £5 bet while playing with bonus funds, no maximum withdrawal. 35x wagering. Skrill and Neteller deposits don't qualify for this bonus. Click here for full T&Cs
#AD 18+ New players only, £10 min fund, £2,000 max bonus, 65x Bonus wagering requirements, max bonus conversion to real funds equal to lifetime deposits (up to £250), full T&Cs apply.
18+ • Valid for 1st depositors only • Deposit £20 min. with code •Free Spins (FS) & bonus for selected games only • FS expire in 14 days • FS wins capped at £12, excl. JP wins • FS wins credited as bonus • Bonus wins capped at £500, excl. JP wins • Wager bonus x30 -req. vary by game • Bonus expires in 90 days • Payment method & country restrictions apply • Withdrawal terms & T&Cs apply • BeGambleAware.
New players only. Wagering occurs from real balance first. 50x wagering the bonus or any winnings generated from free spins, contribution may vary per game. Available on selected games only. The wagering requirement is calculated on bonus bets only. Bonus is valid for 30 Days/ free spins valid for 7 days from issue. Max conversion: 3 times the bonus amount or from free spins: £ 20. Limited to 5 brands within the network. Withdrawal requests void all active/pending bonuses. Excluded Skrill and Neteller deposits.Full Terms apply.
#AD 18+ New Players Only. Wagering occurs from real balance first. 50X wagering the bonus. Contribution may vary per game. Available on selected games only. The wagering requirement is calculated on bonus bets only. Bonus valid 30 Days from receipt/Free spins valid 7 days from receipt. Max conversion: 3 X the bonus amount. Limited to 5 brands within the network. Withdrawal requests void all active/pending bonuses. Excluded Skrill and Neteller deposits. Full Terms Apply.
#AD 18+ New Players Only. Wagering occurs from real balance first. 50X wagering the bonus. Contribution may vary per game. Available on selected games only. The wagering requirement is calculated on bonus bets only. Bonus valid 30 Days from receipt / Free spins valid 7 days from receipt. Max conversion: 3X the bonus amount or from free spins: £20. Limited to 5 brands within the network. Withdrawal requests void all active/pending bonuses. Excluded Skrill and Neteller deposits. Full Terms Apply.
*New UK customers only. 125 free spins on Big Bass Bonanza (£0.10 per spin) credited after successful £10 deposit and £10 stake on Casino, Vegas or Live Casino. No wagering requirements on free spin winnings. Debit Card deposit only (exclusions apply). This offer is valid 7 days from the new account being registered. Spin The Super Prize Wheel to enter a draw to win a trip to Vegas. Qualification requirements apply. 18+ BeGambleAware.org. Bet the Responsible Way. Full terms apply. 18+. Full T&Cs apply. Please gamble responsibly. begambleaware.org
18+ New cust only. Opt in & deposit £10+ in 7 days & wager 1x in 7 days on any eligible casino game (excluding live casino and table games) for 50 Free Spins. Wagering contributions vary. Free Spins worth 10p each on Big Bass Splash. 3 day expiry. 18+. T&Cs apply, Gambleaware.org
18+ New UK Customers Only. Sign Up using the Promo Code nrg80 and make a minimum deposit of £25. Then wager a minimum of £25 on any casino slots and receive 80 Free Spins on Big Bass Bonanza. Free spins expire 7 days from date and time of issue. Full T&Cs apply.
Welcome bonus for a new players only | Maximum bonus is 100% up to $/€/£ 100 | Min deposit is $/€/£10 | No max cash out | Wagering is 40x bonus | Maximum bet while playing with a bonus is $/€/£5 | Eligibility is restricted for a suspected abuse | Skrill and Neteller deposits excluded |
18+. New Players Only. Welcome Offer Split on 4 deposits, min. deposit £20. Spins are credited to: Starburst game. Spins Valid for 24 hours T&C's apply. Wagering Requirements: x35.
#AD 18+. Terms and Conditions Apply. New Players Only. Min Deposit £10. Bonus Wagering Requirement: 40x. Spins are given as follows: 25 Spins upon a first deposit of a minimum £10. Spins may only be used in specific games. The game allowed: Book Of Dead. No Wagering is required on the spins.
#AD 18+ New Customers Only. First 3 deposit only. Min deposit £10. Max total bonus £500 & 150 spins. 30x wagering(dep+bonus). 30x on spins, 4x conversion, bonus and spins valid on selected slots. Full T&Cs apply.
Reviews of Casino Bonus Sites
Want to know a bit more about some of our favourite casino sites with the best bonuses and offers? Read our expert reviews below for more details.
My experience at All British Casino kicked off with a 100% up to £100 deposit match, featuring a £20 minimum deposit, no max cash out, and 35x wagering requirements. Regular players can enjoy ongoing promotions like ‘Marvellous Midweek’, offering various bonuses. Additionally, there are slots tournaments for extra excitement. However, what truly stood out for me was their 10% cashback deal. With this promotion, you can claim any cashback you’ve earned when your balance drops below £10.
Pros:
100% up to £100 bonus for new players
Mid-week offers and slots tournaments
10% cashback with no wagering
Great choice of games
Mobile app for Android and iOS
Cons:
Skrill and Neteller excluded from casino sign up bonus
Signing up for a new account at the stylish Hyper Casino was straightforward, and there was a 100% up to £100 bonus available on my initial deposit. I found this bonus sizeable enough, and in line with what’s offered at many other online casino sites. However, it comes with high wagering requirements, standing at 45x the bonus amount, and Skrill and Neteller deposits are excluded. For regular players, the promotions are a bit sparse, though I did enjoy the excitement of ‘Hyper Fridays’. With this deal, you can score different casino bonus offers every week.
Pros:
100% up to £100 bonus for new customers
Weekly casino bonus offers
Striking website design
Well-organised game library
Cons:
45x wagering on bonus amount
Neteller and Skrill excluded
Luckster’s welcome bonus was a standout feature for me. You can get a 100% up to £200 bonus and 20 free spins on the Book of Dead slot on your first deposit of £10 or more. Plus, by depositing an additional £20 on your second and third days at this casino, you can snag 80 extra spins — 40 on Fire Joker and 40 on 9 Masks of Fire. The Daily Spin Frenzy challenge offers players the chance to earn up to 50 free spins by wagering a certain amount. This is a decent offer, but I did find the wagering demands high, maxing out at £1,000 for 50 free spins.
Pros:
Sizeable welcome package
Generous 21-day expiry time for bonus funds
Earn up to 50 free spins daily
Offers Pragmatic Play’s Drop & Wins tournaments
Cons:
35x wagering on bonuses and free spin winnings
High wagering required to unlock daily free spins
Games library could be better organised
Spin & Win’s new customer bonus immediately caught my attention. Upon signing up, you’ll enjoy a 100% up to £250 bonus and 100 free spins. While generous, it’s worth noting that the bonus cash must be wagered on specific games — a bit of a shame considering the excellent game selection here. On the bright side, I found a variety of additional exciting offers on the promotions page, including a 50% up to £200 bonus on your second deposit, a daily free spin on the Prize Wheel, and a worthwhile loyalty programme.
Pros:
Generous new customer offer
Various promotions for loyal players
Great choice of games
Most payout requests paid in 15 minutes
Cons:
Strict bonus terms
Limited number of games eligible for wagering
Some card withdrawals can take up to 3 days
Spin Rio delivers all the thrills of the carnival, rolling out the welcome mat with a generous sign-up deal — a total of £200 in bonus cash and 100 free spins on top slots across my first three deposits. I found plenty of bonus offers to enjoy as an existing player too, including slots tournaments like Pragmatic Play’s Drops & Wins, a daily Prize Wheel, and a free spins promo with the chance to unlock up to 50 free spins daily.
Pros:
Generous new customer offer
Daily promotions and slots tournaments
Fun carnival theme
Great choice of games, including jackpot slots
Cons:
Must wager bonuses and free spins winnings 35x
Significant wagering required for daily free spins
Navigation could be better, especially for table games
Guide to Casino Bonuses
Modern online casinos aren’t shy when it comes to dishing out generous rewards for new and existing customers. Whether you’re a new player looking to grab a huge matched deposit or a high roller seeking the most rewarding VIP schemes, we’ve got you covered. With a mix of the best-known online casinos and brand new casino sites on our list, you’ll be spoilt for choice. Let’s take a closer look at the best casino bonuses available online today.
Bonus Types
Types of Casino Bonuses
The world of casino bonuses is colourful and diverse, with each casino site doing things a little bit differently. This is a fantastic benefit to players — you’ll be able to choose a casino bonus that suits your own preferences and play style so you get maximum value. Below we’ve outlined the types of casino bonuses you might find at our partner sites, along with our top picks for each one.
Best Online Casino Matched Deposit Bonuses
Matched deposit casino bonuses are the most common type of offer you’ll find at online casino sites. With this welcome bonus, the premise is simple — players make a qualifying deposit and the casino matches it with bonus money up to a certain amount.
For example, a 100% deposit bonus effectively doubles the amount you have to play with. While your casino bonus and resulting winnings can’t be withdrawn until you meet any wagering requirements, these offers are a great way to test out some new games without putting your own cash on the line.
Our Top Picks for Matched Deposit Bonuses
Take a look at these deposit match bonuses that boost your casino credit when you top up your account.
Spin Rio
I’m a big fan of Spin Rio’s matched deposit bonus, mainly because it’s so big! It’s worth up to £200 split over your first three deposits — 100% up to £50 on your first deposit, and 50% up to £75 on your second and third.
While I only claimed the first deposit bonus, this was a fantastic way to test out the many games at the site. I landed a few quid’s worth of winnings, although 35x wagering requirements mean you’re unlikely to withdraw any profit from this bonus. Still, I’d recommend this bonus to kick off your time at Spin Rio with a bang — there are even some free spins thrown in too!
Rialto Casino
The welcome bonus at Rialto Casino keeps rolling for your first three deposits at the site. First up is a competitive 100% up to £100 match bonus plus 50 free spins. I’d prefer a lower minimum deposit to the £20 that’s required to claim this casino bonus, but this won’t be a dealbreaker for most.
I did find the 40x wagering requirements on the deposit plus bonus money to be a little steep, although again this isn’t a dealbreaker as it’s rare to find a casino bonus without these terms and conditions.
Your second and third deposits at Rialto are met with a 50% match up to £100 plus 75 bonus spins, making this one of the most generous casino bonuses around.
PlayZee
Another whopper of a deposit bonus is the one found at PlayZee — a 100% match up to a maximum bonus of £300 plus 100 free spins on Starburst. I found the registration and claiming process seamless, and was up and running in no time.
The bonus funds expire after 30 days, giving you ample time to use this sizable offer. 35x wagering requirements are the middle ground when it comes to most casino bonuses, so while I’d rather they were lower, I can’t fault PlayZee here — especially given the size of the offer!
Best Free Spins Bonuses
Fancy a go on the slots without betting real money? Watch out for free spins casino bonuses, another popular choice with many players. You’ll find these online casino offers at a plethora of sites, both as a welcome bonus for new players or a reload bonus for existing customers.
To unlock them, you usually need to make a qualifying deposit of a certain amount. Each free spin will have a certain value — typically the minimum bet on the slot — and winnings will be added to your bonus balance. Once you meet any attached wagering requirements, you’ll be able to cash them out.
Our Top Picks for Free Spins Bonuses
Try out these sites if you want to land a few spins of the reel at no extra cost.
Buzz Bingo
Buzz Bingo has one of my favourite casino bonuses around on account of the choice it offers new players. Once you sign up and wager £10 at the site, you can choose between 200 free spins on Fire Blaze: Blue Wizard Megaways or £30 of free bingo tickets.
I opted for the free spins — which are worth 10p each — and thoroughly enjoyed myself trying out this thrilling slot from Rarestone Gaming. I did pick up some winnings, but these were locked behind 20x wagering requirements so I didn’t cash them out in the end. On the plus side, the free spins expire after 30 days so you’ve got plenty of time to use them up.
JackpotCity
On top of a 100% up to £100 deposit bonus, JackpotCity offers new players a mouthwatering 100 free spins on Gold Blitz. I made the minimum deposit of £20 in order to claim these bonus bets and they were immediately credited to my account.
What really makes this one of the best online casino bonuses is the fact these are no wagering free spins — meaning anything you win is yours to withdraw or spend on games at the site! Each spin is worth 10p and I racked up a couple of quid. Considering most casino bonuses come with wagering requirements, I’d heartily recommend giving JackpotCity a look.
Luckster
If it’s a bit of variety you’re looking for, Luckster is one of the best online casino bonuses that ticks this box. There are free spins up for grabs on your first three deposits — 20 spins on Book of Dead, 40 spins on Fire Joker, and finally 40 spins on 9 Masks of Fire.
I’m a big fan of free spins bonuses that let you try out a few different games, especially when so many online casinos play it safe with Starburst free spins. Keep in mind 35x wagering requirements apply to any winnings from the free spins.
Best No Wagering Bonuses
Highly sought after by the savviest players as one of the best online casino bonuses, this category of casino bonus has an essential differentiator — no wagering requirements. That means you can win real money from the offer without having to bet any of your own cash beforehand.
Of course, there’s a tradeoff. No wagering bonus offers are typically smaller than standard promotions — online casinos are businesses after all! That said, these deals are still very much worth your while if you’re looking for the best chance at withdrawing your bonus spins winnings.
Our Top Picks for No Wagering Bonuses
While no wagering bonuses are quite rare, we’ve found a few casinos that fit the bill. Here’s what’s up for grabs.
PlayOJO
PlayOJO gets my vote on account of the fact you’ll land 80 free spins when you deposit just £10. They’re valid for Big Bass Bonanza only, but considering this has remained one of my favourite titles since its release, I’m not complaining. Each spin is worth 10p with any games bonus winnings able to be withdrawn straight away.
Betway
The offer at BetWay caught my eye for two reasons. First up, it’s one of the largest no wagering free spins bonuses going, with 125 up for grabs in total. To qualify, you simply have to deposit and stake £10 at the site.
What really intrigued me, however, was the second part of the offer — players who claim it will be in for a chance to win a trip to Vegas, where they can get a taste of the real thing. This is the first time I’ve seen a real-world prize as part of a welcome bonus, and it definitely gives BetWay an edge.
Mr Q
It’s not the largest offer in this list, but I think Mr Q’s welcome bonus is still worth a look. New players receive 30 free spins of 10p each on Big Bass Bonanza Megaways when they spend £10 at the site. Keep in mind you’ll have to use your bonus spins within 48 hours.
No Deposit Bonuses
Rounding out our list of casino bonuses is the highly desirable no deposit bonus. With these offers, there’s no requirement to make a deposit or wager any money at the site in order to claim. Instead, you’ll typically receive the bonus as soon as you sign up.
Obviously, these casino bonuses are quite a bit smaller as a result, otherwise the operators would quickly go bankrupt. Usually, you’ll receive a handful of free spins, maybe 10 or 20. The terms and conditions are often tighter as well, such as high wagering requirements, lower winnings caps, heavier game restrictions, and shorter expiries.
Nonetheless, you’re essentially getting a free casino bonus here so we recommend keeping your eyes out for these offers — as rare as they are!
Ranking Criteria
How We Review the Best Casino Bonuses
What sets our recommendations apart? We don’t partner with just any casino. Our experts judge each site on a number of criteria, helping us find the best bonus casinosfor UK players — all you have to do is choose your perfect match. Here’s how we review casino bonus sites:
A range of casino bonuses – The best casinos offer an exciting lineup of bonuses, rolling out the red carpet for newbies and keeping regulars entertained with ongoing rewards. Our reviews highlight the best of these offers. From free spins and deposit match bonuses to unique promotions and exclusive deals, we’ve got you covered.
Clear Terms and Conditions – Casino promotions are only as good as the small print allows. That’s why we carefully examine the full terms for bonuses, ensuring there are no unexpected stumbling blocks. We’re keen to see player-friendly terms, such as low or no wagering requirements and relaxed time limits so you can fully enjoy your bonus.
Licensing – All our featured sites are licensed by the UKGC, ensuring they operate legally, offer essential protections including fair games and data protection, and encourage responsible gambling. This means you can browse our recommended online casinos and enjoy our bonus picks in confidence.
Games Library – We love to see casinos not only offer a wide variety of bonuses but also provide a huge choice of gaming options for players to enjoy, ranging from online slots like Big Bass Bonanza to classic table games and live dealer action. The best bonus casinos offer promotions for a range of games.
Mobile Availability – Mobile gaming is all the rage, so we prioritise sites that put the casino action at your fingertips. All casinos should be accessible via mobile browsers, but the best ones offer native mobile apps you can download to your device. We take these for a spin, highlighting any app-exclusive bonuses in our reviews.
Payment Methods – Moving money to and from your casino account should be hassle-free, and we expect to see sites offer a diverse range of payment methods. It’s important that sites support a wide range of options, as you might need an alternative if your preferred choice is excluded from bonuses.
Customer Service – If you need help with anything or even just a clearer understanding of your chosen bonus, it’s good to know that you can easily get in touch with the casino bonus site. 24/7 live chat is the gold standard here, but we’re keen to see email and phone support too.
Best Casino Bonuses for Existing Players
It’s certainly true that an enticing welcome bonus is an essential factor in deciding where to sign up. But you may get access to some of the best casino bonuses once you’ve spent a bit of time at a site. As an existing player, you could find some of the following offers at your online casino. They’re a great way to extract a little more value from your bankroll and stretch your betting budget further.
Reload Bonuses
Sure, the majority of bonuses are designed to attract new players, but that doesn’t mean existing customers are left out. In an effort to keep players coming back, some of the top casino sites in the UK offer reload bonuses. These are usually offered to celebrate the latest promotions and future events. The reload bonus simply rewards returning players for topping up their casino balance. You’ll find this bonus comes in several forms, depending on where you choose to play. The most common form of reload bonus is a matched deposit, where you’ll receive a percentage of your deposit as bonus funds — usually anywhere between 50% and 150%. In some instances, you’ll be able to grab some free spins on top.
New Customer Offer 18+. New players only. Min. dep £20. Max. bonus bet £5. 200 Bonus Spins on Book Of Dead on your 1st deposit. Winnings from all spins credited as bonus funds and capped at £20. Bonus funds are separate to Cash funds & subject to wagering requirement (40x deposit plus bonus). Only bonus funds contribute towards wagering requirement. Bonus funds must be used within 30 days, spins within 72hrs. Affordability checks & Terms apply. BeGambleAware.org. 18+. Full T&Cs apply. Please gamble responsibly. GambleAware.org
Cashback
As casino games are based on chance, you’re never exempt from a losing streak — cashback bonuses are a great way of recouping some of those funds. Cashback isn’t limited to losses, though. Some casinos give cashback based on your total deposits or spend over a certain period of time.
10% is a common cashback amount you’ll see, but it varies by site. It’s worth checking how the cashback is paid — is it real money you can withdraw straight away, or bonus credit? There may also be terms about when you can claim the cashback. For example, some sites require your balance to be below a certain threshold, say £10.
New Customer Offer #AD 100% up to £100 + 10% cashback. Maximum withdrawal on free spins of £100. Max £5 bet while playing with bonus funds, no maximum withdrawal. 35x wagering. Skrill and Neteller deposits don't qualify for this bonus. Click here for full T&Cs 18+. Full T&Cs apply. Please gamble responsibly. GambleAware.org
VIP Bonuses
It’s imperative for a casino to step up to the plate and reward its most loyal players for splashing the cash on casino games. If you’re a frequent player, you’ll want to find an online casino with a rewarding VIP scheme. These have changed considerably in recent years. The very first online casinos only offered access to the biggest high-rollers, but now many online casinos have relaxed the entry requirements so more players can get a taste of the VIP treatment. The perks range from exclusive VIP promotions, event tickets, birthday treats as well as VIP points that can be redeemed to play your favourite online casino games – the more you play, the bigger your rewards!
New Customer Offer Click here for full T&Cs.New Customers by invite Only. Min Deposit £20 (exc PayPal). Max Bonus £30 (30x wagering & max wins £2000) & 100 Free Spins @10p playable on selected games (1x wagering on wins, max wins £500). 18+. Full T&Cs apply. Please gamble responsibly. GambleAware.org
Mobile Bonuses
The best casinos offer bonuses that you can access on your mobile and tablet devices as well as on the desktop. There may be some exclusive mobile bonuses out there, but generally offers are the same across the board. The key benefit of using your mobile device is that faster loading times and push notifications means that existing customers won’t miss out on the best new promotions the casino has to offer.
New Customer Offer #AD First deposit only.This offer is only available for first time depositors. Min deposit is £10. 80 Free Spins on Big Bass Bonanza. Spin Value: £_0.10. This offer cannot be used in conjunction with any other offer. This offer is only available for specific players that have been selected by PlayOJO. If you have arrived on this page not via the designated offer via PlayOJO you will not be eligible for the offer. Irregular play may lead to removal of reward. OJO's Rewards and Game policy applies. 18+. Full T&Cs apply. Please gamble responsibly. GambleAware.org
New Casino Bonuses
It’s not just the established online casinos that offer exciting bonuses, a lot of new casinos rely on them in order to stand out from the crowd. Some of the top news casinos, for example, offer no deposit welcome bonuses, while players can claim low or even no wagering bonuses at others. This means it’s easier to convert any winnings or bonus funds into real money without having to jump through any additional hoops. Here are some of the best new sites for casino bonuses.
T&Cs
Casino Bonus Terms and Conditions To Look Out For
There’s no shortage of T&Cs when it comes to online casino bonuses, and it’s important to know what the common ones are and what they entail before claiming a casino offer.
Here’s a breakdown of the most common terms and conditions attached to UK online casino bonuses.
Wagering Requirements
The majority of welcome bonuses come with wagering requirements as well as a series of other conditions that have to be fulfilled before you can claim any of your funds as cash. While there are indeed some offers that come with no wagering requirements, it’s worth reading the bonus terms and conditions to see what’s what. Let’s have a look at what sort of conditions you will likely come across:
The vast majority of online casino bonuses come with wagering requirements which specify that before you can claim any of your winnings from a bonus offer, you must wager the value of either your stake, bonus amount, or a combination of the two, a set number of times.
William Hill Casino’s ‘100% Buy in Bonus’ offer, for example, states that they will match your stake by 100%, effectively doubling your money. However, the wagering requirement is set at 40x your initial stake and bonus, meaning that for a £10 stake and a £10 matched bonus, you must play through a total of £800 before you can withdraw any bonus funds or winnings.
Game Contributions
These dictate how much particular games count towards meeting your wagering requirements. 888 Casino’s ‘£88 Free No Deposit Bonus’ considers slot games to be worth 100% of the wagering requirements, whereas Roulette is worth as low as 10%.
Time Limits
Some online casinos also set time limits on when to fulfil your wagering requirements. When this expiry date is reached, any bonus funds or winnings will be lost. Ladbrokes’s ‘£50 Casino Welcome Bonus’ does sound pretty attractive, but with only 48 hours to meet its 40x wagering requirements, you might want to reconsider.
Winnings Caps
These cap the amount you are able to win from your bonus money. William Hill’s 100% ‘Buy In Bonus’ limits the redeemable winnings to £2,000. So while you can invest a lot of money into a bonus offer from an online casino, it is worth keeping track of your winnings so you don’t spend more than you can actually win.
Game Exclusions
Some online casinos will exclude certain games from certain bonuses. This is something to really bear in mind in case you spend a lot in a game and hit the jackpot, only to find out that it contributed nothing towards your wagering requirements.
Payment Exclusions
You may find that the matched deposit being offered as a welcome bonus by an online casino excludes certain payment types. These are most likely to be e-wallet payment methods like Neteller, Skrill, and PayPal, or prepaid cards like Paysafecard.
Banking
Payment Options at the Best Casino Bonus Sites
With the majority of offers at the best casino bonus sites requiring a deposit in order to claim, you’ll need a way to top up your casino account. There are many options to suit every player’s taste, and we’ve run through them below. Keep in mind some payment methods may disqualify you from receiving your bonus. Have a good look at the terms and conditions beforehand to make sure your chosen method is eligible.
Before claiming any casino bonus offer, be sure to check for payment exclusions within the T&Cs. This term will outline whether any payment methods will disqualify you from receiving your bonus. This is especially important if you’re using an e-wallet as these services are the most commonly excluded. Or if you need a hand getting started, simply check out our top casino bonuses for each payment method below.
Debit Cards
The most ubiquitous and widely used payment method, debit cards like Visa and Mastercard are familiar to most, making for simple deposits and withdrawals. They’re always eligible when claiming a bonus too. Withdrawals are slower, taking 3–5 days unless the site supports Visa Fast Funds, in which case you could receive your cash within an hour. Debit Card Top Picks
JackpotCity – Get a 100% deposit match bonus up to £100 plus 100 free spins when you make a debit card deposit of at least £20.
All British Casino – Make a minimum deposit of £20 at All British Casino and you'll receive a 100% match up to £100. You can also benefit from a 10% cashback online casino bonus at this site.
Hyper Casino – With a smaller £10 minimum deposit, players of all budgets can get involved with Hyper Casino's welcome bonus of 100% up to £100.
e-Wallets
Digital wallets like PayPal, Skrill, and Neteller are massively popular among online gamblers. They make it simple to manage your bankroll, and can be used to keep your bank details private when you deposit. e-Wallets are one of the most common payment methods to be excluded from casino bonuses. e-Wallet Top Picks
VoodooDreams – Claim a 100% deposit bonus up to £50 at VoodooDreams. Even better, you'll bag 50 real money free spins on top.
Luckster – Looking for something a bit larger? Luckster matches your first three deposits — 100% up to £50 on your first, and 50% up to £75 on your second and third, with 100 free spins thrown in for good measure.
PlayFrank – Claim a 100% casino bonus up to £100 when you sign up at PlayFrank plus 50 bonus spins. There's a minimum deposit requirement of £20.
Prepaid Cards
Paysafecard and other prepaid cards are a fantastic way to keep tabs on your spend. Simply buy the vouchers in store and transfer the value to your casino wallet using the printed code. There’s usually no support for withdrawals to prepaid cards. Pay by Mobile Top Picks
Duelz – At this site, you'll enjoy a 100% casino bonus up to £100 plus 100 free spins on Book of Dead.
Fun Casino – The clue is in the name with Fun Casino, where there's a 100% deposit bonus up to £123 for new players who top up with at least £10.
Grosvenor – This well-known casino brand gives new players a £50 bonus when they deposit £20 for the first time.
Pay by Mobile
If you only want to make small deposits, pay by mobile services like Payforit and Boku are highly convenient. All you have to do is tap in your phone number and the deposit is charged to your monthly phone bill or taken from your PAYG credit. These services don’t support withdrawals, however.
Trustly
Running on Open Banking, Trustly is a payments platform that’s great for making fast, direct transfers to and from the casino bonus site. It’s usually eligible when claiming a bonus and withdrawals often arrive within a couple of days. Trustly Top Picks
Casushi – Sign up and deposit at least £10 at this Japan-themed online casino and you'll receive a 100% match up to £50 plus 50 free spins on Book of Dead.
Mr Play – One of the largest casino bonuses around, Mr Play's welcome package is worth up to £200 and is split over your first three deposits.
Hyper Casino – Hyper keeps things simple with a 100% deposit bonus up to £100 when you fund your account with £10 or more.
AstroPay
AstroPay is a newer e-wallet service gaining traction among UK players. One of its main benefits is the ability to generate virtual prepaid cards, letting you keep your personal bank details private when you make deposits, while also supporting withdrawals to your AstroPay balance. If supported by the site, it's often eligible against bonus acceptance. Astro Pay Top Picks
PlayFrank – Deposit £20 to your new PlayFrank account and you'll receive a 100% match bonus up to £100 plus 50 free spins.
Luckster – One of the top online casino bonuses for AstroPay users is found at Luckster, with up to £200 plus 100 free spins across your first three deposits.
Casino Site
Bonus Eligible with PayPal
Bonus Eligible with Skrill
Bonus Eligible with Neteller
Bonus Eligible with Trustly
Bonus Eligible with Paysafecard
Bonus Eligible with AstroPay
Spin Rio
Yes
Yes
Yes
Yes
Yes
Yes
Rialto Casino
No
N/A
N/A
N/A
Yes
N/A
PlayZee
Yes
Yes
Yes
Yes
Yes
N/A
Buzz Bingo
No
N/A
N/A
N/A
N/A
N/A
JackpotCity
No
N/A
N/A
N/A
N/A
N/A
Luckster
Yes
Yes
Yes
Yes
Yes
Yes
PlayOJO
Yes
N/A
N/A
N/A
N/A
N/A
Betway
No
N/A
N/A
No
N/A
N/A
Mr Q
Yes
N/A
N/A
N/A
N/A
N/A
All British Casino
Yes
No
No
Yes
N/A
N/A
Hyper Casino
N/A
No
No
Yes
Yes
N/A
Spin and Win
No
N/A
N/A
N/A
Yes
N/A
VoodooDreams
Yes
Yes
Yes
Yes
Yes
N/A
PlayFrank
Yes
Yes
Yes
Yes
Yes
Yes
Duelz
Yes
Yes
Yes
Yes
Yes
N/A
Fun Casino
Yes
No
No
Yes
N/A
N/A
Grosvenor
No
N/A
N/A
N/A
Yes
N/A
Casushi
N/A
No
No
N/A
No
N/A
Mr Play
Yes
Yes
Yes
Yes
Yes
Yes
Mobile
Claim Casino Bonuses on Your Mobile
Fancy playing your favourite casino games anywhere, anytime? You’re in luck, because our recommended casino bonus sites work like a charm on mobile. Just open your mobile browser and head over to the site to dive into the action. You’ll enjoy the same thrilling experience you’d get on a desktop, with most games adapted for smaller touchscreens. Plus, the same promotions will be available, and you can often take advantage of mobile-only payment methods like Apple Pay or Google Pay to make claiming these offers hassle-free.
For an even more tailored experience, the best bonus casinos are increasingly providing dedicated mobile apps. These apps offer plenty of perks, not least speed and convenience. A few taps get you into the app, which runs smoother and faster because it’s made for your device. Plus, they ramp up security with options like facial recognition and Touch ID, making login safer and quicker than typing out a password. There’s data efficiency too, because the app is stored locally on your device. Some casinos will sweeten the deal with exclusive bonuses you can only enjoy when you download the app. These bonuses are often provided as a first deposit only deal for newcomers, but can also pop up for existing players. With apps, you can even opt-in to receive push notifications that deliver updates about the latest promotions direct to your home screen.
The appeal of mobile gaming is clear, but it’s important to offer a note of caution: while apps are incredibly convenient, that convenience can lead to overindulgence. Easy access might tempt you to gamble for longer than you intended or lose track of spending. It’s important to strike the right balance to ensure you have a great time gaming on the go. To stay informed about responsible gambling tips, check out websites like www.begambleaware.org.
Get Started
Ready to Play?
Now you know your matched deposits from your free spins, you’re one step closer to becoming a successful online casino player. Check out the sign up offers on our list of top rated casinos and pick out the bonus that ticks all your boxes. Don’t forget to read the terms and conditions — some payment methods, such as Neteller and Skrill casino deposits don’t qualify for bonuses! Simply compare, sign up and claim your exclusive bonus offer!
Responsible Gambling
Responsible Gambling
Gambling is an exciting activity for many, but it’s no secret that it can also become addictive. Before you gamble, make sure you know how to play responsibly. Set a budget for your session and stick to it — do not chase your losses. We recommend making use of on-site limiters in your casino account to help stay on track. And remember, gambling is not a way to make money. There’s always the chance you’ll lose your cash and you’re never ‘due’ a win.
Here are a few problem gambling warning signs to watch out for. If you identify with any of these, take a break and consider seeking some support.
Needing to gamble larger amounts to get the same thrill
Neglecting responsibilities or other hobbies like socialising in favour of gambling
Borrowing money in order to gamble
Feeling ashamed or anxious about gambling, or keeping it a secret
Betting more than you can afford to lose
If you do feel like you need some help, it’s easy to find. Take a look at our responsible gambling page for more tips and advice.
Yes. This varies largely depending on which casino you choose. While some may give you 30 days to meet the wagering requirements, others may only give you seven. We’d recommend reading the terms and conditions of any bonus you accept to make the most of your bonus offer. If you don’t meet the wagering requirements within the time given, you won’t be able to withdraw any bonus winnings.
Yes, all the casinos listed on our site offer mobile-friendly sites which can be accessed by just about any web-enabled device. In fact, several operators now have mobile casino apps available for download, sometimes with exclusive mobile-only bonuses, so there’s even more incentive for you to play on the go.
No. Unless explicitly stated, you won’t need a bonus code to claim your welcome bonus. If you opt for matched deposits, they will be credited with their bonus almost immediately following your first deposit. If you decide to grab a no deposit bonus, you’ll almost always have your account credited with bonus funds after signing up.
No. Until your wagering requirements have been met, your bonus funds are not available as part of your main account balance. This means that it is not possible to withdraw any bonus winnings.
Yes. All our casinos are reliable, trustworthy and most importantly, licensed by gambling authorities. These governing bodies monitor operators closely to ensure they’re using random number generators to determine the outcome of games.
The best UK casino bonuses for existing players depend on your preferences. If you enjoy the thrill of betting large sums, you may like the Daily Spin Frenzy offer at Aspire Global sites like Luckster and Magic Red. You can earn up to 50 free spins daily with this offer, but the wagering demands are high. On the other hand, if you prefer to get a little something back on your losses and a second chance to get lucky, the 10% cashback at All British Casino might hit the spot.
One player’s best site may not be the right pick for another. For example, you might want to find a site like Spin & Win, with a generous matched deposit offer to boost your starting bankroll, or perhaps you’d prefer to ease yourself in gently with a simple free spins promotion, like Mr Q’s straightforward offer of 20 wager-free spins on Book of Dead. Our online casino reviews can help you find the best casino deposit bonuses and sign-up offers for new players.
The people behind this page
Compare.bet's online gambling content experts helped write, edit and check this page:
Daniel is a contributor at Compare.bet. He has half a decade of experience writing on topics including sports betting, online casino and the NBA. Daniel also helped cover Premier League football for Compare.bet news and has interviewed Louis Saha, Richard Dunne and Gary Pallister. In his spare time, Daniel enjoys film photography and making Spotify playlists.
Ben is former editor at Compare.bet, specialising in all things gambling and football. He has an MA in American History and extensive writing experience with bylines in a range of different publications, from Breaking the Lines to CLASH. As well as covering Premier League for Compare.bet news, he also wrote about the Championship and a range of European football topics. In his spare time, Ben enjoys music production and playing football.
Alice is a contribtor at Compare.bet, having previously worked with Gambling Insider in 2022. She's a dab hand at all things online gambling, from expertise in payment methods to her commitment to responsible gambling promotion. Outside of work, Alice is a huge sports fan who closely follows Arsenal and plays lacrosse in her spare time, to name just a couple of her sporting pursuits.
The following external expert(s) contributed to ensure this page provides maximum value, accuracy and insight:
Adam has almost a decade of experience working in the gambling industry, including various content and marketing roles at the likes of PlayOJO, Betway and Entain He is currently the Head of Marketing at Arena Entertainment. Adam puts his vast experience to use as a fact checker for Compare.bet.
James is a betting and casino expert at Compare.bet who specialises in writing and editing in-depth guides and reviews. As well as producing copy for the site, James is instrumental in making tweaks that keep our pages at the cutting edge of gambling comparison.
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