Top 20 Online Casinos UK – View 20 best online casinos for UK players

Top 20 Online Casinos UK - View best online casinos UK

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 selection of our 20 best online casinos to see who we’ve chosen.

New platforms with a UK Gambling Commission license are popping up all over. But with so many options, how do British players distinguish top online casinos in UK from the average?

This compelled us to select our top 20 online casinos UK for Casino Professor. All our chosen sites have the basics in place – plenty of games from good providers, strong security, support for desktop and mobile devices etc – but the very best sites offer more than just that.

Therefore, we’ve carefully picked out each site for a reason – and we explain exactly why we think they are one of the top 20 UK casinos currently. Are you sitting comfortably?

1. MrQ Casino

No Deposit Bonus
10 FS + 6 Bingo tickets (no wager!)

First Deposit Bonus
EXCL: 20 Free Spins -- code: QUEEN20

One of the most highly rated sites on our UK online casinos list is MrQ Casino. They are extremely popular with British players and have really developed their library of casino games, most recently with the addition of live casino tables in August 2021. We’ve also managed to get an exclusive offer to get you off on the right track.

Why MrQ Casino? They are one of our best casino sites with no wagering requirements. Why? Because they’ve scrapped wagering requirements completely – so everything you win at this site is yours to keep immediately.


2. LeoVegas Casino

No Deposit Bonus
10 Free Spins -- No wagering

First Deposit Bonus
-

LeoVegas has been a fantastic site for UK players for many years. They pioneered the idea of mobile casino and led the way for the rest to follow on smartphones and tablets. They are a certain addition to our top 20 online casinos UK with ease.

Why LeoVegas Casino? LeoVegas have exclusive slots that can only be played on their site.


3. PokerStars Casino

No Deposit Bonus
50 Free Spins (no wager)

First Deposit Bonus
Spend £10 = 100 FS (no wager)

PokerStars Casino have really put together an all-round experience. Their casino platform has improved dramatically in the past few years, with more slots and games being added. They’re another nice addition to our 20 best online casinos UK.

Why PokerStars Casino? – 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!


4. Duelz Casino

No Deposit Bonus
-

First Deposit Bonus
100% up to £100 + 100 FS

It’s a bold move to include new online casinos into this 20 best online casinos UK collection. However, Duelz Casino more than meets the requirements! After launching in the UK during May 2021, you can enjoy plenty of slots, speedy payments at this fast payout casino UK, and adventure type gameplay.

Why Duelz Casino? Compete in slot battles against other players for rewards.


5. LV Bet Casino

No Deposit Bonus
EXCL: 10 Spins -- promo code: BEASTS

First Deposit Bonus
-

LV Bet is a fantastic addition to our top 20 online casinos UK list due to the sheer number of games they offer. 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.

Why LV Bet Casino? – You can deposit and play using a variety of methods – and they recently became part of the elite PayPal casinos in the UK.


6. Casumo Casino

No Deposit Bonus
-

First Deposit Bonus
100% up to £100 + 20 Bonus Spins

The birth of the so-called adventure casino happened in 2012 with the launch of Casumo. This completely new experience revolutionised iGaming, with players embarking upon a journey in order to get rewards. Casumo have since racked up multiple awards for their efforts (Casumo Wikipedia – Awards).

Why Casumo Casino? There’s nothing like a trendsetter, so Casumo sailed into our best British online casinos for how they’ve shaped online casino entertainment.


7. Dr Slot Casino

No Deposit Bonus
Up to 20 Free Spins

First Deposit Bonus
Up to 100 Free Spins + up to £1000 Welcome Bonus

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


8. Yeti Casino

No Deposit Bonus
23 Extra Spins

First Deposit Bonus
100% up to £111 + 77 FS

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


9. Bonus Boss Casino

No Deposit Bonus
Up to 100 Free Spins

First Deposit Bonus
Up to 100 Free Spins + up to £300

The Bonus Boss Casino provides unique slots and casino games that can’t be played at any other site. You can spin away on something new nearly every month too, as that’s the average time it takes for a new game to be released.

Why Bonus Boss Casino? Get the big welcome package outlined above, along with promotions for existing players.


10. PlayOJO Casino

No Deposit Bonus
--

First Deposit Bonus
EXCL: 80 FS -- no wager!

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


11. Casino 2020

No Deposit Bonus
Up to £20 + up to 20 Free Spins

First Deposit Bonus
Up to 400 Free Spins + up to £300

Casino 2020? Yep, although that year has already passed, we have been mightily impressed by what we’ve seen and are happy to add them as an entry into the top 20 UK casinos. They’ve got a pretty unique product – offering slot games that can only be found on their site.

Why Casino 2020? They create their own casino games in-house (tested for fairness of course), so you’re certain to play unique slots that can’t be found anywhere else.


12. Cashmo Casino

No Deposit Bonus
Up to 50 Free Spins

First Deposit Bonus
Up to 150 FS + Up to £500 Welcome Bonus

Cashmo has unique slots and games that can’t be found anywhere else, making them an easy addition to the top 20 online casinos UK. They’ve also got many popular payments and have a pretty quick payout time on average.

Why Cashmo Casino? – Get many promotions for existing players after you’ve signed up, including no deposit offers from time to time.


13. Unibet Casino

No Deposit Bonus
-

First Deposit Bonus
Deposit £10 -- Get £40

Another of the best British online casinos is the well-known Unibet. They know what UK players want too with games like Slingo and scratch cards available which are popular with British players. You can browse through Unibet’s vast selection of titles to find what you want to play, with plenty of flexible payment options too – such as being a £5 minimum deposit casino.

Why Unibet Casino? – One of the few sites offering Slingo, a cross between slots and bingo which is very popular with British players. So, not only are they one of our 20 best UK casinos but they’re also one of the best Slingo sites you can try.


14. Playzee Casino

No Deposit Bonus
-

First Deposit Bonus
100% up to £300 + 100 Spins

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


15. William Hill Casino

No Deposit Bonus
EXCL: 100 Free Spins (no wager)

First Deposit Bonus
-

Being one of the most popular UK bookmakers around, you couldn’t really have a 20 best UK online casinos selection without William Hill Casino, right? Well, to be honest, we aren’t interested in what fits the bill aesthetically – it’s all about casino for us. Luckily, William Hill have made major upgrades to their slots play recently and have a dedicated casino bonus above for new players.

Why William Hill Casino? Join for a big batch of free spins no deposit at this top 20 online casino UK.


16. NetBet Casino

No Deposit Bonus
EXCL: Up to 100 FS -- code: WHEEL

First Deposit Bonus
Up to 500 FS -- code: NBWELCOME500

The next of our top 20 online casinos UK is NetBet. They have been around for many years but still offer a great casino experience for British players. You can get the above UK bonus when signing up as a new player.

Why NetBet Casino? Enjoy a variety of slots and casino games, alongside a sports betting platform for all different types of gambling under one roof.


17. 777 Casino

No Deposit Bonus
150 Free Spins

First Deposit Bonus
100% up to £200

777 have two offers for new UK players – the above 77 free spins upon registration or else they are also our best £20 free no deposit casino (visit this page for this offer). You can use either of these bonuses on their exclusive in-house games so you can try out different games.

Why 777 Casino? 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!


18. Mr Green Casino

No Deposit Bonus
50 Free Spins

First Deposit Bonus
-

One of the UK’s most popular sites, so they had to make their way onto our list of best British online casinos in our view. They offer a wide range of top quality games from popular providers, and they continue to improve their platform for players – despite being around for several years.

Why Mr Green Casino? They have their own exclusive slots made just for them, so you can play unique games here.


19. Casino.com

No Deposit Bonus
-

First Deposit Bonus
100% up to £100 + 200 FS

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.

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


20. Mansion Casino

No Deposit Bonus
-

First Deposit Bonus
100% up to £200

Another that you might not think of as your classic top 20 UK casinos entry, but let us change your mind on that. Mansion Casino have a nice welcome bonus for new UK players (listed above), and accept PayPal payments for safe and secure transactions.

Why Mansion Casino? They have many promotions for existing players – so there will be plenty more offers you can take advantage of once you’ve signed up.


FAQ

We look at many different factors when deciding who makes our top 20 online casinos UK and in what order. We take into account things like:

  • How many payment options you can use
  • The general withdrawal speed
  • The overall number of games
  • Whether good providers are used – like Playtech, Microgaming, NetEnt, Yggdrasil, Play’n GO, Evolution, Quickspin and more.
  • If the bonuses are good and fair
  • The current popularity of each casino with our readers
We update the casinos here regularly to ensure that British players are always playing at top online casinos in UK. 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 top online casinos in UK that you’ve played at.

As mentioned above, the opinion of our readers helps us to decide our 20 best UK online casinos – so a glowing review will give us a big indication about who is offering a top-quality experience.