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21.co.uk Sister Sites

The LeoVegas Group family.

Last updated: 15 Jul 2026
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21.co.uk sister sites are the other UK casinos run by the same operator, LeoVegas Gaming PLC, under UK Gambling Commission account 39198. A sister site, in casino terms, is a brand that shares an operator and a licence with the one you already know, which usually means shared regulatory standing, a common safer-gambling framework and a broadly similar technical backbone. 21.co.uk fits that description precisely, sitting alongside five other UK brands in one of the more heavyweight owned networks in the market.

21.co.uk is also the most interesting member of this family to trace, because it is the one brand the group did not build in-house. It began life as an independent site before LeoVegas Gaming PLC acquired it in 2018, folding it into a portfolio that now answers ultimately to MGM Resorts International. That acquisition heritage gives 21.co.uk a slightly different flavour to its siblings, and it shows in the brand’s classic-casino, table-forward personality.

Below we set out who owns 21.co.uk, which brands are its true sisters, and how the network’s shared infrastructure translates into real differences at the player level. For the standalone verdict, see our full 21.co.uk review, and for other operator families visit the sister sites hub. This content is for adults aged 18 and over, and GambleAware.org is there whenever you need it.

Who Owns 21.co.uk?

21.co.uk is operated by LeoVegas Gaming PLC, the Malta-based company behind UK Gambling Commission account 39198. Unlike its siblings, 21.co.uk was not a native LeoVegas brand from day one. The site was originally founded by a third party, Intellectual Property and Software Ltd, and its UK Gambling Commission licence has been active since November 2014. LeoVegas Gaming PLC acquired the brand in 2018, making it the only casino in this six-strong family with a confirmed independent origin.

Above the operator sits LeoVegas AB of Sweden, taken private by MGM Resorts International in September 2022. So a brand that started as an independent classic-casino site now enjoys the backing of a global casino giant. That corporate weight cuts both ways. On the positive side it brings scale, shared technology and a mature compliance operation. On the record side, LeoVegas Gaming PLC received a £1.32m UK Gambling Commission penalty in July 2022 for anti-money-laundering and social-responsibility failings, an operator-level event that applies across the group, 21.co.uk included.

Within the family, 21.co.uk keeps a distinct identity: a minimalist, professional design with a genuine lean towards roulette, blackjack, baccarat and live-casino play. Where its siblings chase free-spins-led welcomes, 21.co.uk built its offer around live-casino chips, which tells you where its heart is.

21.co.uk Sister Sites at a Glance

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First, 21.co.uk itself, the flagship for this page.

And here are its five siblings under the same LeoVegas Gaming PLC licence: the LeoVegas flagship, BetMGM UK, BetUK, Pink Casino and Slot Boss. They share 21.co.uk’s regulatory home but each pulls the shared platform toward a different audience.

How the Sisters Compare

BrandLaunchedBest ForWelcome Offer Note
21.co.uk2013 site, acquired 2018Classic tables and live casinoLive-casino chips rather than free spins
LeoVegasFounded 2011 to 2012Broadest game libraryFree spins on deposit, low wagering
BetMGM UKRecent group launchVegas branding and jackpotsWager-free spins on deposit
BetUK2018Sports plus casinoDual casino and sports welcome
Pink CasinoSee our reviewBingo and curated slotsFree spins on registration, no wagering on winnings
Slot Boss2013Pure slotsWager-free spins, higher qualifying deposit

Notice the welcome-offer column. Five of these brands hand out free spins to new players, usually on the same headline slot, while 21.co.uk stands apart with a live-casino-chips mechanic. That single difference captures the brand’s whole positioning within the family.

The Infrastructure They All Share

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Because every brand here operates under the one UK Gambling Commission licence, the trust-and-safety layer is common to all of them. The same operator answers to the same regulator, so identity checks, deposit limits, reality reminders and self-exclusion tools follow the same UK standard whether you are at 21.co.uk or any of its sisters. GAMSTOP is the clearest example of that shared standing. It is a UK-wide self-exclusion scheme covering every UKGC-licensed operator, so signing up blocks you across this entire group at once, along with the rest of the licensed market. It is national regulation rather than a group-only perk, but it does mean the family cannot be used to work around a self-exclusion.

The payment options feel consistent too: debit cards, PayPal, Apple Pay and bank transfer, with no credit cards permitted under UK rules. Worth flagging, 21.co.uk does without Skrill and Neteller, a small gap some players will notice. Withdrawal speeds are not identical across the family either. 21.co.uk can be quick once a cashout is approved, while other siblings sit in longer pending windows. Similar payment rails, in other words, but each brand runs its own verification queue on top of a shared backend.

There is one more tell that these brands share a promo engine. The free-spins siblings mostly launch new players on the same headline slot, which points to common bonus infrastructure even though there is no shared game lobby. 21.co.uk sidesteps that pattern with its live-chips welcome, but the underlying plumbing is the same family machinery.

Where 21.co.uk Breaks From Its Siblings

If the safety layer is identical, the personality is where these brands diverge, and 21.co.uk is arguably the biggest outlier of the six. It is the classic-casino sibling, built around roulette, blackjack, baccarat and live tables rather than a wall of slots. It also runs a dedicated Megaways section pulling together Big Time Gaming titles and licensed Megaways slots, giving it a slightly more curated, structured feel than a sprawling slots lobby. Add the live-chips welcome and the acquired-brand heritage, and 21.co.uk reads as the most distinctive door into this network.

The siblings occupy their own corners. LeoVegas is the hub brand with the widest library and the most providers. BetMGM UK trades on Vegas branding, jackpots and the MGM name. BetUK is the sportsbook-led sibling. Pink Casino is the bingo specialist. Slot Boss is the slots purist with no sportsbook at all. Against that backdrop, 21.co.uk is the table-and-live-casino choice, and none of the others try to out-classic it.

Which 21.co.uk Sister Should You Try?

Think about what 21.co.uk is light on. If you want a big sportsbook next to your casino play, BetUK is the sibling to cross to. If bingo is your thing, 21.co.uk barely competes there and Pink Casino is the obvious pick. Craving the widest possible slots and live-dealer catalogue? The LeoVegas flagship carries the deepest library in the family.

If you enjoy 21.co.uk’s slots side but want a room that lives and breathes slots with nothing else in the way, Slot Boss is the closest match in spirit, though its welcome offer asks for a higher qualifying deposit, so read the terms first. BetMGM UK suits players drawn to Vegas jackpots and the MGM brand. And if you specifically liked 21.co.uk because its live-chips welcome felt different from the free-spins norm, that is a genuine reason to keep 21.co.uk as your main and treat the others as occasional variety rather than upgrades.

Should You Join a 21.co.uk Sister Site?

For anyone who already trusts 21.co.uk, its sister sites are a sensible set to explore, because the regulatory standing and safer-gambling protections carry across the whole group. You get one operator answering to one regulator, and the freedom to choose a brand by its vertical: tables at 21.co.uk, sport at BetUK, bingo at Pink Casino, pure slots at Slot Boss, jackpots at BetMGM UK, or the broadest library at LeoVegas.

Bear in mind there is no shared account, so each new brand means a fresh sign-up and a fresh verification, and welcome terms differ from one sibling to the next. Compare the offers, watch for the small payment-method and withdrawal-speed differences, and set your own limits before depositing. Play within your means, keep it fun, and turn to GambleAware.org if you ever need support. Strictly for those aged 18 and over.

Expert Tips

Low Wagering Is the Family Trait

LeoVegas Group brands compete on clean bonus terms, with most offers at 0x or 1x wagering. If a sibling’s headline number looks bigger but carries wagering, the smaller wager-free offer usually pays out more in practice.

Expert tips illustration

Frequently Asked Questions

  • Who owns 21.co.uk?
    21.co.uk is operated by LeoVegas Gaming PLC under UK Gambling Commission account 39198. The brand was originally independent, founded by Intellectual Property and Software Ltd, before LeoVegas Gaming PLC acquired it in 2018. The group ultimately belongs to MGM Resorts International.
  • What are 21.co.uk’s sister sites?
    21.co.uk’s UK siblings under the same licence are the LeoVegas flagship, BetMGM UK, BetUK, Pink Casino and Slot Boss. They share an operator and regulatory standing but each targets a different player, from sport and bingo to jackpots and pure slots.
  • Was 21.co.uk always part of the LeoVegas group?
    No. 21.co.uk is the one brand in this family with an independent origin. It launched as its own site and was acquired by LeoVegas Gaming PLC in 2018. Its UK Gambling Commission licence has been active since November 2014, predating the acquisition.
  • Do 21.co.uk sister sites share one login?
    No. There is no shared wallet or single account across the group. Each brand needs its own registration, deposit and identity verification, so trying a sister site means creating a new account even though the same operator runs the platform behind the scenes.
  • Which sister site is best for table games?
    21.co.uk is the table-and-live-casino specialist of the family, built around roulette, blackjack, baccarat and live-dealer play, with a welcome offer paid in live-casino chips. If classic casino games are your focus, it is the most natural home in this group.
15 July 2026
New page – sister sites expansion (July 2026).
Maya Sattar
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Maya Sattar

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Maya is a beacon of knowledge in the online gambling space. Her main focus is on user experience and responsible gambling compliance, ensuring site content remains clear, accurate, and easy to understand. With years of experience behind her, she's well-placed to break down complex topics and deliver content that genuinely puts players first – always.

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Jamie Rosen

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Jamie Rosen is the co-founder of Fruity Slots and a leading voice in UK casino, slots, and lottery content. He began in real-money slot streaming on YouTube before building Fruity Slots into a large-scale review platform. Jamie focuses on player value, transparency, and explaining how casino games and slots products actually perform in real gameplay conditions.