Best Casino Bonuses UK 2026
Welcome to Best Casino Bonus Guide, a website all about ensuring that you get the best possible deals when it comes to gambling on casino sites. In fact, one of our main intentions is to create a site that is a ’one-stop resource for everybody looking to gamble online in one of the multitude of casinos that you can find. Let us tell you a little bit about what we do here. One of the main reasons people visit our website is that they are interested in finding casino bonuses.
Betwright
Get 20 Wager Free Spins
Is Licensed By: UKGC
terms and conditions
New customers only 18+. Promo code BASS1000 required on sign-up. Min deposit £20. Wager £20+ on eligible Big Bass slots to qualify. Receive 20 Free Spins on Big Bass Bonanza 1000. Free Spins have a total value of £2. Spins credited within 24 hours of qualification and expire after 7 days. Standard BetWright T&Cs apply.
Bingostars
Play £10, Get 100 Free Spins on Big Bass Bonanza!
Is Licensed By: UKGC
terms and conditions
New players only. 18+. UK only. Min deposit £10 and £10 stake on slot games required. 100 Free Spins on Big Bass Bonanza credited automatically. Free Spins value: £0.10 each. Free Spins expire 48 hours after crediting. No wagering on Free Spins; winnings paid as cash. Eligibility restrictions apply. Full Terms of Welcome Offer apply. Gambleaware.org.
Fruitkings Casino
Play £10 & Get 100 Free Spins on Big Bass Splash
Is Licensed By: UKGC
terms and conditions
18 +. New players only. Min deposit £10 and £10 stake on slot games required. 100 Free Spins on Big Bass Splash credited automatically. Free Spins value: £0.10 each. Free Spins expire 48 hours after crediting. No wagering on Free Spins; winnings paid as cash. Full T&C's apply.
NY Spins Casino
Get 140 Free Spins when you deposit £25
Is Licensed By: UKGC
terms and conditions
18+. New players. Min deposit £25. Up to 140 Free Spins (20/day for 7 consecutive days on selected games). Manually claimed daily or expire at midnight with no rollover. Free spin value £0.10. Max winnings £100/day as bonus funds with 10x wagering requirement to be completed within 7 days. Game restrictions apply. Play Responsibly! www.begambleaware.org Full T&Cs apply.
Casiku Casino
Get 50 Wager-Free Spins
Is Licensed By: UKGC
terms and conditions
18+. New players only. Opt-in required. Min. deposit £20. Welcome Offer is 50 wager free spins on Big Bass Splash when wagering min. £50 on slots by 23:59 GMT on day of first deposit. Free spins must be used within 72hrs. Winnings from free spins credited as cash funds and capped at £50. Cash funds are immediately withdrawable. Affordability checks apply. Terms apply. BeGambleAware.org
Prime Casino
100% up to £25 Welcome Bonus
Is Licensed By: UKGC
terms and conditions
Automatically credited upon 1st Deposit (min £10). Max Bonus £25. Game: Big Bass Bonanza, Spin Value: £0.1. WR 10x Bonus (only Slots count) in 30 days. WR 10x free spin winnings (only Slots count) within 30 days. Max bet is 10% (min £0.10) of the free spin winnings and bonus or £5 (lowest applies). Bonus Policy applies.
Genting Casino
100% up to £25 Welcome Bonus
Is Licensed By: UKGC
terms and conditions
Automatically credited upon 1st Deposit (min £10). Max Bonus £25. Game: Big Bass Bonanza, Spin Value: £0.1. WR 10x Bonus (only Slots count) in 30 days. WR 10x free spin winnings (only Slots count) in 30 days. Max bet is 10% (min £0.10) of the free spin winnings and bonus or £5 (lowest applies). Bonus Policy applies.
Knight Slots Casino
125 Free Spins on Big Bass Splash
Is Licensed By: UKGC
terms and conditions
Automatically credited upon deposit. Cancellation can be requested. First Deposit Only. Min. deposit: £10. Game: Big Bass Splash, 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. This offer is only available for specific players that have been selected by KnightSlots
Casushi Casino
Play £10 & Get 100 Free Spins on Big Bass Splash
Is Licensed By: UKGC
terms and conditions
18 +. New players only. Min deposit £10 and £10 stake on slot games required. 100 Free Spins on Big Bass Splash credited automatically. Free Spins value: £0.10 each. Free Spins expire 48 hours after crediting. No wagering on Free Spins; winnings paid as cash. Full T&C's apply.
Lucky Louis Casino
100 Free Spins on 1st Deposit
Is Licensed By: UKGC
terms and conditions
Automatically credited upon deposit. Cancellation can be requested. First Deposit Only. Min. deposit: £10. Game: Big Bass Bonanza, Spin Value: £0.1. WR of 10x Bonus amount and 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.
Midnite Casino
Get 100 No Wagering Free Spins
Is Licensed By: UKGC
terms and conditions
New customers only. Opt in and wager £20 or more on selected games(Monopoly Megaways, Big Bass Splash, Big Bass Secrets of the Golden Lake, KKC Even Bigger Bananas, Fishing Frenzy Big Catch) within 14 days of registration. Get 100 Free Spins for selected games, valued at 10p and valid for 7 days. T&Cs apply. BeGambleAware.org
Spinyoo Casino
100% up to 100 Bonus Spins
Is Licensed By: UKGC
terms and conditions
18+.New players only. Opt-in. Min dep £20. Welcome Offer is 1 Yoo Spin for every £1 deposited up to 100 Spins. To claim the offer, you need to wager min £20 on slots of your 1st deposit by 23:59 GMT. Spins credited in proportion to your deposit amount and valid on Big Bass Bonanza. Winnings from bonus spins credited as bonus funds and are capped at an equal number of spins credited. These bonus funds can be used on slots only. Bonus funds are separate to cash funds and subject to 10x (bonus amount) wagering requirement. Only bonus funds count towards wagering contribution. £5 max bonus bet. Bonus funds and spins must be used within 72hrs. Affordability checks apply. Terms Apply. BeGambleAware.org
Voodoo Dreams Casino
Get 140 Free Spins when you deposit £25
Is Licensed By: UKGC
terms and conditions
18+. New players. Min deposit £25. Up to 140 Free Spins (20/day for 7 consecutive days on selected games). Manually claimed daily or expire at midnight with no rollover. Free spin value £0.10. Max winnings £100/day as bonus funds with 10x wagering requirement to be completed within 7 days. Game restrictions apply. Play Responsibly! www.begambleaware.org Full T&Cs apply.
Duelz Casino
Get 140 Free Spins when you deposit £25
Is Licensed By: UKGC
terms and conditions
18+. New players. Min deposit £25. Up to 140 Free Spins (20/day for 7 consecutive days on selected games). Manually claimed daily or expire at midnight with no rollover. Free spin value £0.10. Max winnings £100/day as bonus funds with 10x wagering requirement to be completed within 7 days. Game restrictions apply. Play Responsibly! www.begambleaware.org Full T&Cs apply.
Slingo Casino
100% up to £25 Welcome Bonus
Is Licensed By: UKGC
terms and conditions
1st Deposit only (min £10), Max Bonus: £25. WR of 10x Bonus amount (only Slots count) within 30 days. Max bet is 10% (min £0.10) of the Bonus amount or £5 (lowest amount applies). Bonus Policy applies.
Monopoly Casino
Play £10, Get 30 Free Spins*
Is Licensed By: UKGC
terms and conditions
*New members only, must opt in. Min £10 deposit & wager. 30 day expiry from deposit.18+. Free Spins: on MONOPOLY Paradise Mansion. 1p coin size, max lines. Bingo: Advertised ticket value based on £1 tickets. Game availability & restrictions apply. GambleAware.org #AD
Luna Casino
100% up to £50 Welcome Bonus
Is Licensed By: UKGC
terms and conditions
Automatically credited upon deposit. Cancellation can be requested. First Deposit Only. Min. deposit: £10, max. Bonus £50. Maximum amount of Free Spins is 50. Game: Book of Dead, Spin Value: £0.1. WR of 10x Bonus amount and Free Spin winnings amount (only Slots count) within 30 days. Max bet is 10% (min £0.10) of the free spin winnings and bonus amount or £5 (lowest amount applies). Spins must be used and/or Bonus must be claimed before using deposited funds. Bonuses do not prevent withdrawing deposit balance. Bonus Policy applies.
Peachy Games
Play £10 & Get 100 Free Spins on Big Bass Splash
Is Licensed By: UKGC
terms and conditions
18 +. New players only. Min deposit £10 and £10 stake on slot games required. 100 Free Spins on Big Bass Splash credited automatically. Free Spins value: £0.10 each. Free Spins expire 48 hours after crediting. No wagering on Free Spins; winnings paid as cash. Full T&C's apply.
Dragon Bet Casino
Get 20 Wager Free Spins
Is Licensed By: UKGC
terms and conditions
The offer is available for new Dragon Bet customers only. Opt in using the promo code ‘bigbasssfreepins' and make a minimum deposit of £10. Deposit a minimum of £10 and receive 20 free spins on Big Bass Splash. The 20 Free spins will be added by 23:59 the day after qualification.
Vegas Mobile Casino
Welcome Package of £1,000
Is Licensed By: UKGC
terms and conditions
ew Players Only. Wager from real balance first. 10X wager the bonus money within 30 days and 10x wager any winnings from the free spins within 7 days. Contribution varies per game. Available on selected games only. Wager calculated on bonus bets only. Bonus offer and any winnings from the offer are valid for 30 days / Free spins and any winnings from the free spins are valid for 7 days from receipt. Max conversion from the bonus amount ;£50 or from free spins; £20. Min Deposit £20 required. Limited to 5 brands within the network. Withdrawal requests void all active/pending bonuses. Excluded Skrill and Neteller deposits. Full Terms apply
Slot Stars Casino
125 Bonus Spins on Big Bass Bonanza on £10 Deposit
Is Licensed By: UKGC
terms and conditions
Automatically credited upon deposit. Cancellation can be requested. First Deposit Only. Min. deposit: £10. Game: Big Bass Bonanza, 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. This offer is only available for specific players that have been selected by SlotStars.
As you may well know, the world of online casinos is highly competitive. Online casinos also understand that once they have attracted a player, they have essentially secured their loyalty for life. Consequently, they aim to do everything possible to entice people to visit their sites and, ultimately, stay. This is where finding the best casino bonuses becomes important. Take a look below to find the latest UK Casino bonuses available at reputable and licensed UK Casino sites.
Everything You Need To Know About Casino Bonuses
Whilst we have written elsewhere on this site about the intricacies of online casino bonuses, we figured that we would give you a brief overview of what they are in this section. If you wish to find out more, and we hope you do, then you can browse to one of the other sections on this site and start tapping into the world of online casino bonuses.
Casino Bonuses are, essentially, free money. They are a sort of ‘bait’ to get you gambling on a particular online casino website. New customers, and sometimes even current customers, will receive cash just for gambling on the site. Now, bonuses will vary drastically from website to website, and you will be able to see exactly what each site offers when you browse our site.
Generally speaking though, you may be given a small amount of cash to gamble on the site when you sign up. In other cases, your bonuses may vary based on the amount of cash that you are depositing in your account and, in some situations, you may receive a bonus the more you play. In other situations, you might be looking for high roller casino bonuses that are reserved for VIP players; players who intend to deposit more than a thousand into an online casino.
No matter which type of casino bonus you are after, one of our jobs here at Best Casino Bonus Guide is to tell you what all of these bonuses mean. We want to lay the facts down bare of what they actually are. We will dive into the terms and conditions of the particular bonuses so you know what you are letting yourself in for when you sign up to the site. After all, an online casino is not going to offer bonuses without having some sort of ‘protection’ in place, right?
We have also put together a quite handy guide to help you find the best bonuses available. Our aim is to help you save money while gambling online and, at the same time, ensure you enjoy plenty of fun on some of the top casino websites. The world of online casino bonuses is continually changing. As a result, we regularly update our website to reflect these changes. Since our site is always evolving, we recommend you check back periodically. You never know what exciting offers you might find on our site!
Our Casino Reviews - Make Sure You Play at Trusted UK Casinos
Here at Best Casino Bonus Guide, we know that there are a lot of casino sites out there for you to choose from. Separating the wheat from the chaff, however, is a game in itself. We don’t want you to do that. You don’t want you to do that. We know that you want to start gambling as soon as possible. We know that you do not wish to go through online casinos after online casinos to find the best one to play. That is why we put the hard work in for you and have created this complete casino bonus guide. It's one of our hobbies and passions and that's why we don't mind doing the hard work for you- we actually enjoy it!
On Best Casino Bonus Guide, we go through some of the biggest, and some of the lesser-known, casino websites out there. We review them on a number of different points. We work incredibly hard to ensure that we produce accurate and informative reviews to help guide you to the best casinos online. Our whole mission is to get you gambling on those sites which represent value for money and keep your cash safe. If you are looking for a new casino to gamble at, then make sure you browse through the plethora of reviews that you find on this website. We are constantly adding to our review collection too, so make sure that you check back on a regular basis!
Remember; we are constantly expanding our site. We want to give you plenty of different reasons to stick around. Check back often as we are always reviewing new slot sites you might enjoy, new online slots to play and also new and exclusive casino bonuses and bonus codes you're welcome to use to get the most value from your time in the casino. You never know what you may uncover in the world of online casinos! If you have any suggestions, feel free to get in touch with us too. We would absolutely love to hear from you. For now, however, take a browse through the site. You never know what you may find, and of course, we hope you find something fun and useful to help give you the best value and entertainment playing at only the best casinos online!