21 Casino review

  • Reviewed by: Mark Wadie
  • Last Updated: 12th January 2023

21 Casino is a trusted and popular slot site on the White Hat Gaming platform, delivered with a bumper package of slots and live dealer tables.

With a high class casino feel, 21 Casino makes you feel special from the start and is guaranteed to have all your favourite slots on offer – there are more than 2,500 in total!

And … you can get started with a 121% up to £100 bonus today!



121% Up To £100

And Lots of Loyalty Rewards

SIGNIFICANT TERMS: 18+. New players only. Min deposit £10. Bonus funds are 121% up to £100. Bonus funds are separate to cash funds and subject to 35x wagering requirement. Only bonus funds count towards wagering contribution. £5 bonus max bet. Bonus funds must be used within 30 days, spins within 10 days. Affordability checks apply. Terms apply. BeGambleAware.org.

Who are 21 Casino?

  • Reviewed by: Mark Wadie
  • Last Updated: 12th January 2023

21 Casino is a trusted and popular slot site on the White Hat Gaming platform, delivered with a bumper package of slots and live dealer tables.

With a high class casino feel, 21 Casino makes you feel special from the start and is guaranteed to have all your favourite slots on offer – there are more than 2,500 in total!

And … you can get started with a 121% up to £100 bonus today!



Popular Slots at 21 Casino


Name: 21 Casino
Website: www.21casino.com
Operator: White Hat Gaming
Launch Date: 2015
Licence: UK Gambling Commission and Malta Gaming Authority


Min Deposit: £10
Min Withdrawal: £20
Max Withdrawal: N/A
Withdrawal Pending Period: Up To 24 Hours

Visa Debit and CreditMaestro Mastercard Trusty Paypal Paysafecard Neteller Skrill

Total Slots: Over 600
Total Suppliers:

About This Site

21 Casino is a long-standing slot site on the White Hat Gaming label, live since 2015. This is a stylish brand that positions itself as a cut above its label mates. It does so with deluxe branding that evokes the VIP experience. Like all White Hat sites its main attraction is the vast game selection with well over 2,500 slots and live dealer tables but 21 Casino also offer that little bit extra with a 121% sign up offer rather than the standard 100%.

There are more than 30 UK-licensed White Hat Gaming websites out there, so why choose this one? To find out, I immersed myself in the 21 Casino experience, registered an account, deposited, claimed my bonus, played and made several withdrawals. The following review is based on my experiences.


Highlights of 21 Casino

  • Luxurious and stylish website
  • Above average 121% match bonus up to £100
  • White Hat Gaming catalogue of slots – more than 2,500
  • Paypal deposits accepted
  • Minimum deposit is £10


Across The Web – More 21 Casino Reviews

21 Casino has an average score of 2.0/5 at Trust Pilot based on 57 reviews.

This is a below average score but based on a relatively small number of reviews. Most complaints regard withdrawals and account verification. There are a number of very positive reviews relating to the service as well. For balance, my own experiences with withdrawals and verification do not reflect those posted on TrustPilot.


Is 21 Casino Legit?

Yes, 21 Casino is legit. The operator is White Hat Gaming, a company based in Malta with licences in the UK, Malta and the US. They operate more than 30 casino domains in the UK.

These are the 21 Casino license details:

Regulatory Action

White Hat Gaming were found to fall short in their responsible gambling and anti-money laundering policies and processes following a compliance assessment in March 2019. Subsequently the company agree to pay £1.3 million towards the National Strategy to Reduce Gambling Harms. There is more on the action here. Since this settlement was reached, White Hat Gaming have brought their processes and policies in line and no further action has been taken.


Website Design and Usability

Whilst many white label slot sites can appear rough and the edges, 21 Casino has a superior quality to it. The logo is refined with a crown motif and the black, grey and gold color scheme with smart font evoke the feel of a high-end casino. 21 have also taken the time to publish a ‘Why Us?’ statement outlining their background and commitment to fair and secure gaming. This is unusual for a small white label and another indicator of the integrity of the team behind it.

21 Casino Home Page

21 Casino – a superior slot site with a slick, high-end design

White Hat sites have fairly strict content template for legal information, the live chat function, complaints procedure and responsible gambling so they are all clearly displayed and easy to find via either the main menu or footer menu.

In short, the site performs well for usability.


Registration and First Deposit At 21 Casino

21 Casino sign-up form and cashier was easy to use. Registration through to completed deposit via Paypal took me just over 2 ½ minutes. It all takes place in a smart form that pops up in an overlay above the main site. It’s a four-step process and you’ll need to provide your email and mobile number as well as name and address for verification purposes.

21 Casino Sign Up Confirmation

The sign up form was quick to complete and I was ready to deposit in 4 short steps

It’s common practice now to make bonuses optional and 21 Casino have chosen to follow this trend. I like this as it allows you to avoid complex wagering and withdrawal restrictions. I chose to opt-in on this occasion for testing purposes.

21 Casino Sign Up

Make sure you opt-in for your bonus if you want to claim the 121% match

My deposit of £10 was matched with a 121% bonus as advertised on the site and my balance updated to £10 cash and £12.10 bonus funds. The account page, Bonus Details, shows my remaining wagering requirements in both % and GBP (currently £423.50 – 35x £12.10). This is all clear and transparent and make tracking my wagering easy to do.

Bonus Details in Account

My bonus and remaining wagering requirements are displayed clearly in my account

Account Verification at 21 Casino

To comply with UK regulations on anti-money laundering and responsible gambling all operators must verify customer name, age and address before deposits and wagers can take place. 21 Casino do all this behind the scenes on registration using 3rd party services and checks against public databases.

This allowed me to make my deposit and start playing without any further intrusive checks.

When further checks are required you are sometimes asked to provide document scans of your passport, driver license, utility bills, and even pictures of you holding up your debit card. To avoid lengthy delays that happen when these documents are manually checked, 21 Casino are using Hooyu, a 3rd party system that automatically checks scans using AI. With this system, if you submit complete scans of the right documents checks are done in minutes.


Bonuses and Promotions

Sign Up Offer

100% match bonus up to £121

Significant Terms

  • Minimum deposit: £10
  • Maximum bonus: £121
  • Wagering requirement: 35x bonus amount
  • Max wager with bonus funds: £5
  • Only bonus funds contribute to wagering requirements
  • Bonus funds must be used within 30 days
  • Cash funds are used first

Is this a good offer?

The 121% match makes this a better offer than you will find at most other casinos if you are depositing between £10 and £100. Most deals are capped at 100%. The wagering requirements are average for the UK and overall this offer represents good value.

However, if you are looking to spend more than £100 with your first deposit then you should try a site like Spin and Win where you can get up to £500 matched. And if you want some free spins with your bonus then you will need to look elsewhere too. A good choice might be Spin Rio which gives you 100% up to £100 with 100 NetEnt spins thrown in too.

Other Promotions at 21 Casino

21 Casino lets itself down somewhat with a very sparse promotions calendar. Aside from the sign up offer the only deal advertised is the Level-Up program. Every wager you make will progress you along the Level Up bar displayed top right of the screen when you are logged in. Only wagers of 20p or more contribute to your progress.

I really like rewards programs at slot sites, but I do take issue when it is not clear how much you have to wager to reach each new level. It feels arbitrary and open to abuse by the operator who can adjust the rates at any time without acknowledgement. On the plus side you will be credited with spins, super spins, mega spins and ultra spins at each new level and no one is going to argue with more free play. Ultra spins are worth up to £2 on some games making them a nice bonus to have.

21 Casino Level Up

Check out my Level Up progress bar (top right) showing how far I have to go before the next bonus

There are no other promotions advertised at 21 Casino. This is disappointing but not uncommon at white label sites which don’t offer the same quality of experience as big independent casinos like Casumo, 888 or Leo Vegas.

Slot Game and Software

Online Slots

With the White Hat Gaming platform behind it, 21 Casino can boast an excellent games catalogue with just over 100 game providers supplying the content. Top names like NetEnt and Big Time Gaming sit alongside many smaller studios like Slot Factory, Shuffle Master and Red 7. Cult high variance studios like Nolimit City, Relax Gaming and Thunderkick are all present too. We checked for any glaring omissions and the only providers not represented here are Quickspin, Novomatic and Yggdrasil.

In total the White Hat platform advertises over 2,500 slots. Rollover each game logo and you’ll see the provider, the reels, winlines and volatility. This is a nice, and unique, feature that will help you find a game you like as you search the long lists.

Game Menu Roll Over

Rollover any game icon to view the provider, volatility and paylines

You can search by categories like New Games and Jackpot Slots. There is also a sub-menu with Cluster Pays, Megaways and Sticky Wilds, which is cool but could be improved by more filters. Check out BacanaPlay for example where you can search by paylines, volatility, stake range and provider.

The games load up in a nice frame with the 21 Casino branding and you can view your ‘Level Up’ bar whilst you are playing to check your progress before the next bonus drops.

Overall, the slots experience at 21 Casino is impressive with lots of choice and great functionality to help you find the game of your choice.

Other Games at 21 Casino

Live Dealer tables at 21 Casino come from Evolution Gaming and Pragmatic Play. As a white label 21 Casino does not have exclusive branded tables like a Bet365 or Casumo would. However, there is a wide choice of pooled tables where you play with 21 Casino players as well as those from other sites.

There is a choice of Blackjack, Roulette, Baccarat, Poker and Gameshows. To give you an idea of the scale, when I logged in I found 120 Blackjack tables open for bets. The range started at 50p and went right up to £100. The formats included some of Evolution Gaming’s bespoke games like Lighting Blackjack and Ultimate Blackjack. Gameshows included Monopoly Live and Deal or No Deal.

Cashier Options

21 Casino is a £10 minimum deposit casino. The cashier offers a standard range of payment services including debit cards, eWallets and Paysafecard. If you want to deposit less than £10 then you could try Casumo or Spin and Win which both start deposits at £5.

There are a few popular payment services missing from the cashier here: Apple Pay, Google Pay and Trustly. If you would like to play with any of these then check our payment guides page for more information.

Deposit options at 21 Casino

Min DepositMax Deposit Per TransactionProcessing Time
Visa, Mastercard, Maestro£10No LimitInstant
Paypal£10No LimitInstant
Bank Transfer£10No LimitInstant
Paysafecard£10No LimitInstant
Neteller£10No LimitInstant
Cash To Code£10No LimitInstant
Skrill£10No LimitInstant
Neosurf£10No LimitInstant


Withdrawal options at 21 Casino:

Min DepositMax Deposit Per TransactionProcessing Time
Visa, Mastercard, Maestro£10No Limit3 to 5 days
Skrill£10No LimitInstant
Papypal£10No LimitInstant
Neteller£10No LimitInstant
Trustly£10No LimitInstant
Neosurf£10No LimitInstant

How long do withdrawals take at 21 Casino?

£10 Paypal withdrawal: Thursday 13.20.


Customer Support at 21 Casino

There is no hub of help pages at 21 Casino. So there is no FAQ sections on the site. That is quite typical of white label sites which are often short of the bells and whistles. However, I was able to contact the support team on live chat and email.

Live Chat: 24/7 on site

Email: support@21casino.com

The live chat function was straight forward, though it does require you to enter your full registration details the first time you use it. Make sure you set up a 4-digit PIN with the support agent once you are put through, so you don’t have to add your full details each time.

The response time on live chat was very quick – under a minute on 4 occasions when I contacted the team. However, this may be because the live chat was populated by AI bots rather than real people. The answers lacked the personal touch but questions around KYC verification and deposits and withdrawals were all responded to accurately and quickly.


Our Verdict

21 Casino successfully projects an image of refinement and quality and, in comparison to its sister sites on the White Hat label, is a high-end slot site. This image is reflected in the player experience – the website is slick with classy imagery and good usability. Like most white labels there were a few glitches and areas were the experience wasn’t quite up to scratch, but on balance, 21 showed itself to be one of the better sites in the White Hat group.

Here I summarise the strengths and weaknesses.

What We Liked

  • 121% bonus is a better deal than at almost any other slot site out there right now for those depositing from £10 to £100.
  • 21 Casino website looks smart and has a great games menu.
  • Deposits start at an accessible level at £10.
  • Automated verification tools prevent delays in withdrawals
  • Support response time on live chat was super-quick

What We Didn’t Like

  • AI bots in live chat feel impersonal
  • Game menu could have more sophisticated filters
  • Promotions page has very few offers
  • Level up loyalty program lacks transparency on rate at which wagers convert to progress on the level up bar
  • No free spins from the sign-up offer

I would recommend anyone to try this casino who is looking for an above-average white label experience with great value in the sign-up offer and a wide choice of games.



  • Can I get a no deposit bonus at 21 Casino?
    No, currently you are required to deposit at least £10 to claim the welcome offer here. Occasionally there are extra spins dished out to new registrations on this site but its quite rare. When such an offer becomes available we will publish it on this page.
  • Is 21 Casino legit?
    Yes, 21 Casino is a completely legit casino operation run by White Hat Gaming. It is fully licensed in the UK, making it safe, trustworthy and secure.
  • Can I play Mega Moolah at 21 Casino?
    Yes, 21 Casino features both Mega Moolah and Mega Fortunes progressive jackpots, each of which regularly pay out multi-million pounds prizes.
  • Can I deposit and play with Paypal at 21 Casino?
    Yes, you can use the Paypal eWallet to make a deposit. Just open the cashier and choose Paypal from the available options. You will need your Paypal username and password to confirm the transaction.
  • Are there any 21 Casino sister sites?

    Yes, there are many sister sites to 21 casino. Try Dream Vegas, Slot Nite and Skol Casino for example.