The online gambling environment in United Kingdom is diverse and players have multiple choices.

Finding a casino that is licensed by the UK Gambling Commission is easy and paves the way to secure gambling.

In this guide, we shall review the most popular online casino UK sites and single out the best choices for 2021.

At the end of the day, you learn a great deal about the top 20 online casinos UK has in store for both beginner and veteran punters.

Our Best Casino Pick

Skol Casino
Make five deposits and start playing with €1.300 + 250 bonus spins! Skol casino offers a different bonus every day of the week! 

  • 1st deposit bonus: 100% up to €300 + 100 Free Spins
  • 2nd deposit bonus: 75% up to €300 + 75 Free Spins
  • 3rd deposit bonus: 50% up to €300 + 50 Free Spins
  • 4th deposit bonus: 25% up to €300 + 25 Free Spins
  • 5th deposit bonus: 100% up to €100
  • Wagering requirements: 35x
  • Minimum deposit required: €10

Any quest for the top 20 UK online casinos begins with identifying licensed and regulated operators. The names on our top 20 online casino UK list only include UK GC licensed providers. When playing here, players can expect fair terms and conditions, reasonable wagering requirements and an overall satisfying gaming experience.

Whether you spin the reels of popular slots such as Book of Dead or play against real dealers in the live casino section, you’ll be able to cash out and fully enjoy your winnings.

Register and play at UK casinos – Step by Step

The registration process at the top 20 online casinos in the UK is straightforward and can be completed within minutes.

Whether you choose to play at a low roller £1 deposit casino or fancy UK slot sites that take PayPal you will quickly have an account up and running. These are the five steps:

Step 1
Click on the “Register” or “Join” button on the home page
Step 2
Enter a valid email address and choose a username
Step 3
Input some personal details such as name, address, and phone number
Step 4
Choose a payment casino method and make a deposit
Step 5
Claim the first deposit bonus casino offer and start playing

Top online casinos in the UK [2021] - Updated list

Rank

Casino Name

Bonus

Casino License

Rating

Get started

1
Up to £1300 + 250 Free Spins
Malta
United Kingdom
Rating 9.45 out of 10
2
100% up to £100 + 300 Free Spins
United Kingdom
Rating 8.94 out of 10
3
111% Up To €1500
Rating 8.91 out of 10
4
100% up to £50 +25 Free Spins
Malta United Kingdom
Rating 8.84 out of 10
5
Up to 500 Free Spins
United Kingdom Gambling Commission
Rating 8.76 out of 10
6
100% up to £100 +100 Free Spins
United Kingdom Gambling Commission
Rating 8.75 out of 10
7
100% up to £200
United Kingdom Gambling Commission
Rating 8.55 out of 10
8
100% up to £50 + 50 Free Spins
Malta
Rating 8.50 out of 10
9
100% up to £100 + 50 Bonus Spins
Malta
Rating 8.36 out of 10

How do you choose the top 20 UK casinos

With so many worthy options, we need a coherent system to assemble a top 20 UK casino list. There are many things we had to factor in, to reach the right conclusion, but these are the determining criteria:

Speed and safety of payment methods

The number of financial instruments accepted for deposits and withdrawals is important but not sufficient. We focus on the fast withdrawal casino UK sites that don’t compromise security and don’t impose crippling fees and commission.

Game diversity and payouts

If you search for the best payout online casino UK, our selection will surely help. We identified the operators that have a diverse selection including the best online slots UK, live dealer table games, and other genres. The games must also have a return to player that is at least on par with the industry average.

Reliable software developers

The quality of the games and top 20 online casinos UK 2021 is indissolubly linked to the software providers. The operators we recommend are powered by the best casino software and many have the games audited for fairness. The certifications can be found on the website, so players can see for themselves how trustworthy the slot sites UK are.

Generous and easy to claim bonuses

Whether you choose deposit 10 play with 60 welcome offers or a standard casino registration bonus, wagering requirements are important.

The 20 best online casinos for UK players selected by us offer generous welcome bonuses that are easy to clear. They have some of the lowest wagering requirements casino UK punters can hope for.

Mobile-friendly site and games

Another quality expected from the 20 best UK casinos is mobile compatibility. The website must load quickly on smartphones and tablets and the games should run smoothly on handheld gadgets.

Whether we talk about the new mobile casino UK or a veteran international online casino, this is a key requirement.

Reputation and overall standing

The manner in which casinos are perceived by players and industry critics is essential in making an assessment. The online casinos UK we endorse enjoy an excellent reputation among players and industry pundits.

Many also feature on our NetEnt casino list UK, while others are among the best live casino UK offers.

Speed and quality of customer support

When you need assistance with special bonuses such as deposit £10 play with £80 slots offers, customer support should be there to help you. Multiple channels and 24/7 availability are qualities that we expect from the best 20 online casinos UK.

Best games to enjoy at the top 20 online casinos in UK

When signing up for an account at any of the full top 20 UK casino sites list you are entitled to expect a great portfolio of games. There are literally thousands of titles to consider, so running out of options is not a real threat. These are the three main categories of popular games you should focus on:

  • Classic and modern slots with jackpotsBest video slots with a return to player above 96% are perfect for clearing any 400 bonus casino UK. They are fun, require no previous experience, and help you convert bonuses into cashable funds fast. Progressive jackpot slots are also worth considering because you can win a fortune even at a 3 minimum deposit casino UK if you get lucky.
  • Live dealer table games – the most exciting way of playing casino games is against real croupiers. Online roulette, blackjack, baccarat and other table games can be enjoyed in the company of live dealers. It will take you longer to clear a 300 deposit bonus UK because the stake contribution is lower. On the bright side, you can circumvent the random number generator altogether.
  • High-paying video slots – when using optimal strategy, video pokers have the best RTP of more than 99%. You can find them at any 5 deposit casino, but also at most of the top 20 UK online casinos on our list. Video pokers are perfect for clearing bonuses and making steady profits in the long run by mitigating the house edge.

Top bonuses and offers at the 20 best UK casinos

UK mobile casino no deposit bonus offers are the most appealing to prospective punters. They require no financial commitment and the worst-case scenario is to lose the money offered to you for free. They are subject to strict wagering requirements that must be met before initiating a withdrawal.

Match deposit bonuses are far more common than the top 20 online casinos UK no deposit offers described above. Players are required to make a deposit to have it matched up to a certain threshold. Whether you choose a 200 casino bonus UK or a smaller offer, you will still be subject to play through demands. Only after these bonuses are cleared are players allowed to sign up for new promotions.

Pros and cons of the top 20 online casinos in the UK

PROS
  • Secure casinos with a strong license
  • Great portfolios of games from top suppliers
  • Generous bonuses for new and existing players
CONS
  • Some are not available to players outside the UK

Frequently Asked Questions about top 20 online casinos in the UK:

We value the security of a strong UK GC license and games certified by auditors above everything else.
The key qualities include a strong license, game diversity, reliable payment methods and support.
You can rest assured that your personal information and funds are in good hands at these casinos.
You can’t go wrong with any of these top 20 online casinos UK as they are the best you can find.
There are many worthy choices, but William Hill, Unibet and PlayUK are some of the very best.
Credit and debit cards are the most convenient, but e-wallets are faster and less expensive.

Don’t settle for second best when playing at UK casinos

The online gambling industry is so competitive that players get to choose from dozens of exceptional casinos. These top 20 online casinos UK are the top of the crop and the ones that we wholeheartedly recommend.

When you sign up for an account here you can expect generous bonuses, an incredible collection of games, and security. The payment methods are fast, totally safe, and inexpensive, so you are always paid on time and in full.