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Top 20 Online Casinos UK – A Definitive UK Casinos List

Top 20 Online Casinos UK - by Casino Professor

With the online casino world busier than ever before, we’ve made it easier for Brits to get a taste of the action with our very own top 20 online casinos UK. Open up the following best British online casinos list to see who we’ve chosen.

New platforms are popping up all over – with many available in Britain due to a UK Gambling Commission license. But with so many options, how do British players distinguish top casinos in the UK from the fakers?

This compelled us to create a top 20 online casinos UK list for Casino Professor. We’ve carefully picked out each entry for a reason and we explain exactly why each one made it into this best British online casinos collection. Are you sitting comfortably?

1. Rizk

Rizk
No Deposit Bonus
1 x Wheel of Rizk - Win Spins or Cash!
First Deposit Bonus
100% up to £50 + 50 FS
Play now

New customers only. Min £10 deposit. Neteller/Skrill excl. Max bonus £100. Wagering 40x on bonus amount within 30 days. Bonus max bet £5. Spins paid 10 per day. Game weighting and T&C apply.

T&Cs

The superhero of UK casino sites is Captain Rizk, with this protagonist on a mission to offer players “no bullshit” rewards (e.g, they are our best £20 free no deposit casino!). Rizk have had famous faces promote this message down the years, but it’s really because of their website for both mobile and desktop that – to borrow a famous Apple link – just works.

Why Rizk? The Wheel of Rizk! Give it a spin and play at one of the best casino sites with no wagering requirements!


2. 888

888
No Deposit Bonus
EXCL: 30 Free Spins
First Deposit Bonus
100% up to £100 / €140 / $200
Play now

New players only • 30 Free Spins (FS) • FS must be claimed within 48 hrs of email receipt and expire after 14 days • FS wins credited as bonus, capped at £15, exc. JP win • Welcome Bonus: £20 min deposit • 1st deposit 100% up to £100 bonus • 2nd -5th deposits must be done and wagered 3 times within 7 days of the 1st deposit, to receive 30% up to £350 bonus per deposit • Bonus wins are capped at £500 • To withdraw bonus & related wins, wager 30 x (bonus amount) within 90 days • Wagering req. vary by game • This offer may not be combined with any other offer • Deposit balance is available for withdrawal at any time • Full T&Cs apply

T&Cs

They’re one of the oldest gambling sites around, but 888 still make it into the Professor’s best UK online casinos list. Of course, they’re also known for sports betting, poker and bingo too – but 888’s casino arm is still very impressive.

Why 888? Tried and tested experience, with a few recent upgrades making mobile casino here even better.


3. Playzee

Playzee Casino
No Deposit Bonus
-
First Deposit Bonus
100% up to £300 + 100 Spins
Play now

18+. New players only. Valid for 15 days after 1st deposit. Min Deposit £20 Max Bonus Bet £5 Winnings from spins capped at £50 First 100 Zee spins 10/day. Spins must be used within 24 hours, Funds within 30 days. Bonus funds are separate to Cash funds, and are subject to 35 wagering (bonus + cash). Game weighting restrictions apply. Full terms apply. BeGambleAware.org

T&Cs

The 2018-launched Playzee is well worth their inclusion as one of the Professor’s top 20 online casinos UK to play at. Their live chat is supportive and helpful, while you can also deposit via PayPal or Boku.

Why Playzee? You can choose extra casino bonuses with add-ons from their Promotions page.


4. Dunder

Dunder Casino
No Deposit Bonus
20 Bonus Spins
First Deposit Bonus
100% up to € / £100 + 100 Spins
Play now

Minimum deposit: £20. 20 spins in Book of Dead on reg. 100% bonus up to £100 and 100 bonus spins. First 50 bonus spins credited on deposit, Second 50 bonus spins credited the following day. Valid on first deposit only. Wagering on reload bonus: 60x. Wagering on bonus spins: 30x. Wagering must be completed within 30 days. Max bonus bet £5. Bonus is valid for a total of 21 days. Game weighting and standard bonus terms apply.

T&Cs

One of the most stripped back casino sites around, Dunder has been live since 2016. Yet, that stat seems incredible considering the popularity they’ve built up in such a short space of time! A true gift for the gamers amongst us.

Why Dunder? The SMS, two-factor security feature. It’s a staple in other areas of the internet, but not everpresent in iGaming – even for most top 20 online casinos UK!


5. 777

777 Casino
No Deposit Bonus
77 Free Spins!
First Deposit Bonus
100% up to €/£100
Play now

No Deposit Offer: New players only • Predefined bet amount of £0.25 per spin • Free Spins (FS) must be claimed within 48 hrs of receiving the email and expires after 14 days • FS wins are are capped at £20 Bonus, exc. JP win • Welcome Bonus Package: £20 min deposit • 1st deposit immediate 100% up to £100 FreePlay (FP) • 2nd -5th deposits must be done and wagered 3 times within 7 days of the 1st deposit, to receive 30% up to £350 FP per deposit • FP wins are capped at the amount of FP received, exc. JP win • FS & FP wins are credited as bonus • Bonus wins are capped at £500 • To withdraw bonus & related wins, wager 30 x (bonus amount) within 90 days • Wagering req. vary by game • This offer may not be combined with any other offer • Deposit balance is available for withdrawal at any time • Withdrawal restrictions & full T&Cs apply.

T&Cs

777 have a massive offer for new UK players – 77 free spins upon registration. What’s more, these aren’t available on your usual slots and are instead to be used on their in-house games so you can try something different.

Why 777? They also have one of the biggest welcome bonuses around (as you can see above), which paved the way for their entry into our top 20 UK casinos!


6. Betfair

Betfair Casino
No Deposit Bonus
30 Free Spins -- No wagering! (UK only)
First Deposit Bonus
Up to £100 Bonus
Play now

Winnings from free spins paid as cash. Free spins expire 7 days after acceptance. New Casino players from UK & Ireland only. SMS verification required. T&Cs apply.

Another that you might not think of as your classic top 20 UK casinos entry, but let us change your mind on that. You are treated to a great no deposit bonus of free spins which has no wagering – so you can play free slots with no deposit or card details to win real money! Also, they provide UK players with the Fast Funds feature – meaning withdrawals to Visa debit or prepaid cards within 2 hours (and sometimes in a matter of seconds!).

Why Betfair? They are one of the most comprehensive gambling sites around, with slots, casino games, and live tables joined by sports betting, poker, bingo, and their unique Exchange platform.


7. MrQ

MrQ Casino
No Deposit Bonus
10 Free Spins + 6 Free bingo tickets (no wager!)
First Deposit Bonus
EXCL: 30 Free Spins -- code: PROF30
Play now

Free bingo available for 24 hours upon completing age verification with no deposit required. Claim six free tickets for 20 games in the Free For All bingo room, between 9am-10pm. Full T&Cs apply ---- *30 Free Spins are credited upon your first deposit, valued at 10p per spin and to be used on Wild Heist slot • Winnings are uncapped and have no wagering requirement • Minimum deposit £10 • New customers only • Full T&Cs apply.

T&Cs

It’s a bold move to include new online casinos into this best online casinos UK list. However, MrQ more than meets the requirements – and we’re sure you’re going to love them! For starters, we’ve managed to get an exclusive offer to get you off on the right track.

Why MrQ? They have scrapped wagering requirements completely so that everything you win at this site is yours to keep immediately.


8. Wink Slots

Wink Slots
No Deposit Bonus
30 Free Spins
First Deposit Bonus
EXCL: 100% up to £400 + 50 FS
Play now

New players only. Register & get up to 30 Free Spins [FS]. 10 FS per day, must be claimed by 23:59 on day of grant & valid for 7 days. FS wins granted in bonus after all used. FS wins set at £1–£4 (per 10 FS). Reg bonus wins capped at £100 exc. jp. wins. 1st deposit min £20 with code, 100% Bonus (max £400) + 50 FS on Kingdom of Cash. FS deposit wins set at £1-£13. Bonus wins capped at £400, exc. jp win. To withdraw, wager 30x the bonus funds. Wagering varies by game. Deposits can be withdrawn at any time. Withdrawal restrictions & full T&C's apply.

T&Cs

Wink Slots? Yep, while not a classic entry into the top 20 UK casinos for some, the Professor has been mightily impressed by what he’s seen. They’ve got the classic entertainment to back themselves up – including those BIG jackpots – plus a Magazine section to help new gamers get to grips.

Why Wink Slots? A whopping £400 exclusive casino bonus with 30 registration spins.


9. PokerStars

PokerStars Casino
No Deposit Bonus
-
First Deposit Bonus
100% up to $500 + 50FS
Play now

New Casino players only. Min deposit $25 with deposit code ‘BUNDLE100’. Free Spins wins paid as bonus with playthrough. Playthrough required to release 100% bonus in $10 increments Terms apply.

Deleted: PokerStars have put together the true all-round experience – and who can really argue with that!? They’ve undoubtedly played a huge part in iGaming with their casino coming on leaps and bounds in the past few years  – so they’re another easy addition to the top 20 online casinos UK.

Why PokerStars? Use previous eBay activity to your advantage by depositing via PayPal at PokerStars.


10. BGO

BGO
No Deposit Bonus
-
First Deposit Bonus
Up to 500 FS
Play now

UK only. Win up to 500 Free Spins from Mega Wheel on 1st deposit. 24-hour expiry. Max bet £2.50, max spins win £8 per 10 spins, max Bonus win £150, selected games & 65x wagering on winnings. Min Deposit £10. No Neteller/Skrill. Deposit/withdrawal fees apply. Full T&Cs apply.

T&Cs

Next up on the Professor’s top 20 online casinos UK list is BGO. They have one of the most detailed VIP programs around and also run promotions with special prizes – such as tickets to big sporting events or concerts.

Why BGO? Every Tuesday, you can play the latest slot release to try out something new and win extra rewards in their Loyalty Store.


11. LV BET

LV BET
No Deposit Bonus
-
First Deposit Bonus
100% up to £50 on Starburst
Play now

Offer valid until 23:59 CET (GMT+1) on 28.02.2022 | Min deposit £10 req. | Min. bonus £10 | Max bonus £50 | Bonus playable on Starburst™ slot only | Wag. req. 35x (mix funds) | New players only | Requires first deposit to be made via CASINO WELCOME BONUS tab | Bonus valid 15 days | Max. bet £5 | Certain payment methods excluded | Other T&Cs apply | 18+ | begambleaware.org

T&Cs

LV BET is a fantastic addition due to the sheer number of extra promotions they offer up to their existing players! Fresh from their above starter package, you’ll be able to take advantage of regular treats for extra money and LV Spins. But that’s not all they have…

Why LV BET? Play all the classic entertainment – slots, live, table etc – with sports betting included too for one of the best British gambling sites as a whole.


12. Unibet

Unibet
No Deposit Bonus
10 Free Spins
First Deposit Bonus
200% up to £200 + up to 190 FS
Play now

New registrations only. 10 free spins credited instantly upon registration. Min deposit £10 for first deposit bonus (£9.70 via Paysafe payment method). Min bonus £20. Max bonus £200. Up to 190 free spins can be claimed depending on first deposit amount. Max number of free spins is 200. Wagering 35x bonus on casino products. Wagering must be completed in 30 days. Different games contribute different amounts to wagering. Some games restricted from wagering. Withdrawal requests before wagering is complete will result in bonus being forfeited. 18+ T+C apply.

T&Cs

Another of the best British online casinos is the well-known Unibet. They know what UK players want too with 11 rounds available to those who create a new account. From then on, you can browse through Unibet’s vast selection of titles, with plenty of payment options available – such as them being a £5 minimum deposit casino.

Why Unibet? – A reliable old head which is known to be one of the most flexible platforms out there.


13. Dr Slot

Dr Slot
No Deposit Bonus
Up to 20 Free Spins
First Deposit Bonus
Up to 100 Free Spins + up to £1000
Play now

18+. New players only. Up to 20 (18p) free spins (FS) on Fire and Gold at registration (Max Withdrawal £50). Up to 100 FS on first deposit, awarded in sets over 10 days. 24hr expiry. Locked to Fire and Gold. Up to £1000 deposit match on first 5 deposits. Min £10 deposit. Dep1: up to 300%, Max £50. Dep2: up to 200%, Max £100. Dep3&4: up to 100%, Max £200. Dep5: up to 50%, Max £450. Bonuses and FS winnings subject to 40x wagering requirement. Withdrawing qualifying deposit excludes player from promotion. T&Cs apply, BeGambleAware.org

T&Cs

Another new site that’s good enough to be one of our top 20 online casinos UK is Dr Slot. They happen to be one of the few pay by phone casinos available in the UK, and they also run special social media campaigns for extra treats.

Why Dr Slot? – It’s a completely different casino experience to what you’re used to as they only offer slots that they’ve developed.


14. PlayOJO

PlayOJO
No Deposit Bonus
-
First Deposit Bonus
50 FS + 30 Extra Spins (UK - No Wager!)
Play now

This offer is only available for first time depositors. Min deposit is £10. 50 Free Spins on Book of Dead. Spin Value: £0.10. After your first deposit you may claim your 30 Extra Free Spins by visiting the Kicker Section. No min withdrawal. 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. OJO’s Rewards and Game Play policy applies.

Known as “the fair casino”, PlayOJO have seen their popularity explode after they got rid of playthrough requirements once and for all. They also allow you to get bonuses using e-wallets such as PayPal (which many others don’t) and have a lot of quality games from big providers.

Why PlayOJO? Every single bonus you get will be wager free. Sign up and get free spins for adding card right away. Perfect!


15. Sloty

Sloty
No Deposit Bonus
-
First Deposit Bonus
100% up to €/£300 + 300 FS
Play now

18+ Full T&C's Apply. New players Only. £10 min deposit. £5 max bet using bonus. 40 x wagering applies. Bonus valid for 14 days. 30 Spins on pre-selected games will be credited instantly + then 30 per day for 9 days. Free Spins valid for 72 hours from credit. Max Free Spins winnings £100. Skrill + Neteller excluded. Always refer to Bonus Terms - www.begambleaware.org

T&Cs

Sloty is another that’s not exactly a shoo-in – but we’re confident they will give you a nice surprise. For a start, they’ve got many ways to deposit and withdraw, plus a huge games library that stands up against the very best.

Why Sloty? They really make it worth your while to sign up as a new player here – 4 deposit bonuses with hundreds of free spins in total.


16. Yeti

Yeti Casino
No Deposit Bonus
23 Extra Spins
First Deposit Bonus
100% up to £111 / €333 + 77 FS
Play now

New customers only, min deposit £10, wagering 60x for refund bonus, max bet £5 with bonus funds. Free Spins bonus has x40 wagering. 23 free spins on registration (max withdrawal is £100). 100% refund bonus up to £111 + 77 spins on 1st deposit. No max cash out on deposit offers. Welcome bonus excluded for players depositing with Ecopayz, Skrill, Neteller. T&Cs apply. Eligibility is restricted for suspected abuse.

T&Cs

Not all of the top 20 online casinos UK are some that you’d expect, but they’ve all been included on pure merit! Take Yeti, for example – a gambling site which doesn’t take itself too seriously, hence the name! You’ll find the same quality slot providers though, with regular promotions to see you through.

Why Yeti? Get things off to a great start with no deposit Starburst free spins.


17. Casino.com

Casino.com
No Deposit Bonus
20 Welcome Spins (UK only)
First Deposit Bonus
100% up to £100 + 180 FS
Play now

New customers. Spins: 20 on registration, 180 after deposit, winnings given as bonus funds, 20x wagering. Spins and bonus wagering on age of the gods games only. Welcome bonus: £20 min deposit, max bonus £100, wagering 40x. Game weighting applies. Betting limits: slots - £5 all other games – 10% of bonus amount. T&C Apply

Casino.com has a lot to live up to but they offer a wide selection of games and other features which more than meet the needs of such a name. You can get in touch with their support team 24/7, with loads of different casino promotions throughout the week making them an easy addition to the top 20 online casinos UK.

Why Casino.com? – Relatively low wagering is attached to your welcome bonus, making it very attractive (see: How to beat wagering requirements).


18. Gala Bingo

Gala Bingo
No Deposit Bonus
-
First Deposit Bonus
Deposit + Wager £10 = £30 + 15 FS
Play now

18+. New online customers only. Certain countries only. Min first deposit and spend £10 on casino slots = £30 Casino Slot Bonus & 15 Free Spins on selected games. Free Spins valued at £0.25 No Wagering. Wagering reqs apply: 20 x Casino Slot Bonus. Bonus valid for 1 week after credit. T&Cs apply.

Another that wouldn’t be at the forefront of the usual top 20 online casinos UK is Gala Bingo. But the Professor is here to shine some light on this casino’s class. Of course, bingo plays a big part – but multiple promotions, including guaranteed spins with Happy Wheel, show that slots and casino are highly regarded.

Why Gala Bingo? Any British TV lover will notice Gala Bingo’s close association with popular daytime quiz show The Chase.


19. All British Casino

All British Casino
No Deposit Bonus
EXCL: 5 Bonus Spins
First Deposit Bonus
100% up to £100 + 10% Cashback (No Wagering)
Play now

New customers only, min deposit £20, wagering 35x, max bet £5 with bonus funds. Max bonus is 100% up to £100. No max cash out on deposit offers. Welcome bonus excluded for players depositing with Skrill or Neteller. Cashback is cash with no restriction. Full T&C’s apply

T&Cs

You couldn’t really have UK online casinos list without All British Casino, right? Well, to be honest, the Professor isn’t interested in what fits the bill aesthetically – it’s all about casino for him. Luckily, All British Casino have something special lined up for the Prof’s readers.

Why All British Casino? Join for exclusive free spins no deposit on NetEnt’s Gonzo’s Quest at this top 20 online casino UK.


20. Trada Casino

Trada Casino
No Deposit Bonus
10 Spins
First Deposit Bonus
100% up to £50
Play now

Spins can be played on Book of Dead, 25X Wagering, Maximum cashout £100, Maximum bet cannot exceed £3.99, Spins are valued at 0.10 per spin, Standard bonus terms apply -- 100% first deposit match offer: Min deposit £10, Max deposit £50, Wagering: 25x bonus, Max bet is £3.99 per spin -- New players only, 18+, begambleaware.org

T&Cs

Looking for more PayPal casinos? That’s far from the only reason why you’d start to play at Trada, but it immediately gives a good first impression. Not many land eBay’s signature payment method after all.

Why Trada? They’re certainly one of the best British online casinos you can play at with over 700 games ready to choose from.

FAQ

We look at many different factors when deciding who makes this list and in what order. We take into account things like payment options, withdrawal speed, number of games, bonuses, and the current popularity of each casino with our readers.

We update the casinos here regularly to ensure that UK players are always playing at the best sites. Each entry also has a specific reason why they’ve been selected.

If they’re good enough – of course!

In fact, you’ll find that a few of the latest casinos have already made the grade.


The best way to suggest a site is to leave a comment on our casino review. Tell us why you think they are one of the best compared with other UK casinos you’ve played at.

As mentioned above, the opinion of our readers helps us to decide who makes this best UK online casinos list – so a glowing review will give us a big indication about who is offering a top-quality experience.