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21.co.uk Casino Review And Bonus Code

James Briscoe

Updated by

James Briscoe


Owen Watters

Fact Checked by

Owen Watters

Vice President of Commercial

Last Updated on 27th October 2023, 02:59 PM

Minimum Deposit to Qualify £10.00 Wager Requirement 40x Maximum Bonus £50.00 % Match 100% Payment Methods VISA MasterCard PayPal Visa Electron Casino Games 681 Slots 610 Live Games 56

Review Methodology

When we review each casino as a whole we give different weight and importance to the 6 different criteria as a percentage


Safety & Fairness


Bonuses & Promotions




Casino Games


Payout Rates & Methods


Player Experience

Click To Expand All Score Breakdown

CC - Methodology

21.co.uk Casino Bonuses and Promotions

21.co.uk is a top casino online that targets UK customers seeking a sophisticated and elegant experience. Launched in 2013, 21.co.uk Casino is known for its classy approach and as a reputable gambling site with a licence from the UK Gambling Commission (UKGC). 

Owned and operated by LeoVegas AB, 21.co.uk has the backing of one of the biggest names in the iGaming industry. As a trading company on the Stockholm Stock Exchange, Leo Vegas is held to strict international standards. Furthermore, the company already has a stable of popular online casinos such as LeoVegas and BetUK. Therefore, we can rest assured that 21.co.uk Casino lies in experienced and capable hands. 

21.co.uk Casino fits in perfectly with those other established sites as a standout casino with outstanding games, lucrative casino bonuses, and top-notch customer support. Below we will take a look at all aspects of the casino experience, starting with the 21.co.uk bonus.

21.co.uk Casino Bonus

As is often the case with welcome packages, the 21.co.uk Casino bonus changes from time to time. Every few months, the operator switches up the specifics of the first deposit bonus, including how much cash you can claim.

Still, when registering as a new customer on the site, you can regularly take advantage of a generous free stake 21.co.uk bonus. 21.co.uk Casino often provides these exclusive offers specifically on live dealer casino games, perfect for those on the lookout for an authentic casino experience from the convenience and comfort of their sofa. 

However, 21.co.uk may also have deposit matches and free spins offers from time to time. 

Yet, remember to read the T&Cs of any bonus offer you want to claim to have a complete understanding of its requirements and restrictions. Our 21.co.uk review team checked the current casino welcome bonus and its restrictions and found them relatively lenient. Despite having a limited timeframe to claim, the 1x wagering contributions mean you can play through and withdraw your bonus funds without any extra hassle. 

21.co.uk Casino Live Casino Bonus

What makes the 21.co.uk Casino bonus so impressive is this is one of the few operators that provides a welcome package that focuses on live dealer games. As such, new players can grab a live casino bonus to boost their bankroll. Furthermore, 21.co.uk Casino runs ongoing promotions for live casino players, such as chip prizes for completing objectives. 

21.co.uk Casino Sports Bonus

While we primarily classify 21.co.uk as a casino site, the brand also boasts a comprehensive sports betting platform. Here you can pick up pre-match and in-play bets on dozens of sports and thousands of markets each month. Yet, this is still a growing sportsbook, and so far, there is no welcome bonus like a free bet offer available for sports bettors. 

21.co.uk Casino Bingo Bonus

There are currently no online bingo rooms available at 21.co.uk Casino. As such, you won’t find any bingo bonuses either.  

21.co.uk Casino VIP Programme

Unfortunately, 21.co.uk Casino does not currently provide any kind of loyalty programme or points scheme for its regular customers. However, the site’s selection of offers for existing players is constantly changing, with plenty of exciting deposit match bonuses, tournaments and weekend offers available for bettors. 

21.co.uk Payment Options

VISAMasterCardPayPalVisa ElectronBank TransferApple Pay
Casino Payout Percentage 95.22%
Payout Time 2-7 Days
Accepted Currencies GBP

21.co.uk Casino Safety

There are thousands and thousands of online casinos in the UK, and sadly, not all play fair. That is why our reviews are essential, helping you connect with the most reputable sites. We only list casinos that match our strict criteria and hold a licence to operate in the UK. Happily, 21.co.uk Casino ticks all the boxes as a safe casino environment. 

A part of LeoVegas Plc, 21.co.uk is backed by a leader in the iGaming industry and holds a licence with the UK Gambling Commission (39198) and the Irish Revenue Commissioners (1012453). The operator also works with major payment method providers that offer robust security measures to protect your transactions. Similarly, 21.co.uk partners with top game providers that have games independently tested (eCOGRA) to ensure fair outcomes for players. 

As for your personal and financial information, the online casino utilises cutting edge SSL encryption technology to stop third parties from viewing your data without permission. To further protect its UK customers, the site requires all players to verify their accounts before cashing out for the first time. 21.co.uk Casino does this to protect against underage gambling, fraud and money laundering. 

21.co.uk Customer Support

You will get the 24/7 treatment at 21.co.uk, allowing you to reach out to a support agent whenever you wish. That support is headed by live chat, which is open 24 hours a day, seven days a week. All the agents we spoke with were helpful, while connection times were speedy. You can also choose to email the 21.co.uk team. Plus, you can head to the “Help Centre” for fast and efficient advice on various topics.

21.co.uk Safety

UKGC Licence Number 39198
Licenced in: United Kingdom
Casino Testing Agency eCOGRA
Responsible Gambling - Exclusion Icon Yes
Responsible Gambling - Time Out Icon Yes
Responsible Gambling - Deposit Limits Icon Yes

21.co.uk Contact Details

Support Hours
Support Hours 24/7
Address View in Maps

21.co.uk Software Options

IGTNovomaticNetEntMicrogamingPlay'n GOThunderkick
Slot Providers 67
Live Casino Providers 3
Roulette Providers 9
Blackjack Providers 15
Mobile Slot Providers 67

21.co.uk Casino Game Selection

If you’re the kind of player who wants an expertly curated list of games that appeals to all play styles, 21.co.uk is worth a look. While the selection of around 650 casino games is modest compared to other big casino sites, it is still a consistently excellent portfolio. 21.co.uk Casino also relies on some of the industry’s leading software developers to power its collection, including NetEnt, Microgaming, Play’n GO and Evolution Gaming.

Table Games

While there is a limited selection of table games available at 21.co.uk Casino, you still have around a dozen titles to choose from. Coming from major providers like Playtech and IGT, you can pick between several variants of roulette, blackjack and online casino poker games. The online casino even offers a couple of unique table games, like Dream Catcher and the popular casino game Deal or No Deal Blackjack.


UK players have around 550 of the best casino slots in the UK awaiting them in the well-organised 21.co.uk Casino lobby. The collection is wonderfully put together. The team at 21.co.uk has clearly put a lot of time and effort into selecting the best quality games from the leading providers. 

Those providers include the biggest names in the iGaming software industry, growing studios, and new developers looking to make a name for themselves. You can choose slots from Microgaming, NetEnt, Pragmatic Play, Yggdrasil, Elk Studios, IGT, Big Time Gaming and dozens more. 

Whether you prefer the latest 3D titles like slot game Dead or Alive II and Book of Dead or popular classics like Fishin Frenzy and Rainbow Riches, 21.co.uk caters to all types of players, to play slots on mobile, on your tablet or desktop.

Alternatively, you can dip into the progressive jackpot section if you are in the mood to play for a huge prize. Here you will find around two dozen games where the jackpot builds over time, giving you the chance to win up to seven-figure prizes. Top titles at 21.co.uk include Gold Frenzy, Mayan Gods, and Tiki Fruits.

Live Casino

21.co.uk is quickly becoming one of the best live casino game destinations for UK customers. An increasing number of games are available with multiple variants of all your favourite casino classics. Evolution Gaming is the site’s primary provider, which is good news considering the studio is the leading name in the live casino industry. You will also find options from Pragmatic Play, one of the hottest growing names in this area. 

Live tables available from these providers include 10 live game shows, over 20 live roulette variants, more than 20 live blackjack tables, and around 30 live poker and dice games. You can also play exclusive live dealer games that are only available on 21.co.uk Casino, including Exclusive Infinite Blackjack and Exclusive Live Roulette.

Casino Games
Casino Games 681
Slot Games
Slot Games 610
Jackpot Slots
Jackpot Slots 53
Mobile Slot Games
Mobile Slot Games 610
Live Games
Live Games 56
Blackjack Games
Blackjack Games 40
Roulette Games
Roulette Games 28
Live Baccarat Games
Live Baccarat Games 8
Live Poker Games
Live Poker Games 4

21.co.uk Casino Review in Summary

As part of the LeoVegas Group, 21.co.uk has a parent site that is one of the best online casinos around. So, what can this smaller casino offer that LeoVegas cannot? Well, what you get at 21.co.uk is the kind of attention to detail that only a smaller operation can deliver. The game library has an eye on quality over quantity, the site’s bonuses are lucrative, and the whole experience just feels more personal. 

Yes, other leading UK online casinos may offer a wider selection of online slots and table games. But, with over 80 immersive live dealer games available, there will never be a dull moment at 21.co.uk Casino. If 21.co.uk can provide more payment methods and add more sports promotions, it will become an all-around triumph. As it stands, it is a classy and worthwhile online casino that we fully recommend checking out.

Beautiful, classy design
High-quality live casino lobby
Fantastic mobile casino for iOS and Android
Accessible welcome bonus
Slots from leading software developers
No telephone support available
No loyalty programme
A limited selection of payment methods

Top 21.co.uk Games

Live Roulette

Meet The Author

16 Years
James Briscoe
James Briscoe
Editor Editor

James worked in non-league football as a press officer before copy-editing local and national newspapers from around Britain. He then stepped into the online casino world in Malta as a copywriter, and since then, he’s continued his iGaming journey as a freelance writer, and is delighted to be helping make Casinos.com content the best it can be.

Read Full Bio
This review is based on the writer's personal opinion
Casinos.com is an informative comparison site that helps users find the best products and offers. We maintain a free service by receiving advertising fees from the brands we review. Ratings are based on position in the comparison table or specific formulas. We strive to keep information up-to-date, but offers are subject to change. We do not compare or include all brands and offers.


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