21.co.uk Sister Sites and the LeoVegas Group

21.co.uk runs on UK Gambling Commission account 39198 under LeoVegas Gaming PLC, and its sister sites are LeoVegas, Pink Casino, BetMGM, Slot Boss and Bet UK. Every one of them belongs to the same Malta based operator, owned by MGM Resorts International, on a single UK licence that brings shared GamStop cover and identity checks. Where 21.co.uk differs from the rest of the group is its focus on live dealer card games, with blackjack and roulette studios front and centre rather than a sportsbook.

Inside the LeoVegas Group That Runs 21.co.uk

How we define a relative. A sibling of 21.co.uk is any site carried on the same operator licence, that of LeoVegas Gaming PLC under Gambling Commission account 39198. Each wears its own skin, yet the platform beneath, the cashier and the safer gambling controls are shared. The quick test is to read a brand footer for LeoVegas Gaming and then check account 39198 against the Gambling Commission public register.

Your Options at a Glance

• For the group flagship: LeoVegas, the mobile casino that started the whole company.
• For bingo over tables: Pink Casino, the lighter bingo and slots option.
• For betting as well: BetMGM, casino and sport together under the MGM banner.
• For reels only: Slot Boss, a pared down slots lobby with nothing bolted on.
• For a sportsbook home: Bet UK, the sports first member of the family.
• Most familiar live floor: LeoVegas, whose live casino mirrors what 21.co.uk does best.

The Group Compared on Live Play

Offers shift from one week to the next, and UK bonus wagering is capped by the regulator at 10x, so look over whatever a brand is currently advertising before signing up.

Each Sibling Up Close

LeoVegas

LeoVegas is the founding brand and still the centre of gravity for the group, a mobile first casino strong on slots and a busy live dealer floor from Evolution. It shares account 39198 with 21.co.uk and uses the same cashier, so a player crossing over keeps the familiar deposit and withdrawal flow. Its live tables are the closest match to what draws people to 21.co.uk.

Versus 21.co.uk: a wider casino with the same quality of live play, the natural step up if you want more than card games.

Pink Casino

Pink Casino takes the same licence in a bingo first direction, building rooms and a friendly community around a slots library. The welcome usually rewards bingo play, and while there is some live content, tables are not the point here. Account checks and self exclusion work exactly as they do on 21.co.uk.

Versus 21.co.uk: a change of mood rather than a change of operator, ideal if bingo appeals more than blackjack.

BetMGM

BetMGM brings the Las Vegas resort name to the UK on the same LeoVegas account, blending a strong live casino with a sportsbook and MGM Rewards loyalty. For a 21.co.uk player it offers the live tables they already enjoy plus the option to bet on sport in one login.

Versus 21.co.uk: broader and brand heavy, adding betting and a bigger casino to the card room experience.

Slot Boss

Slot Boss is the narrowest brand in the group, a slots only site with no live tables and no bingo. It runs the same platform and bonus engine on account 39198, so the protections are identical, but it is built for players who only want to spin reels.

Versus 21.co.uk: the opposite emphasis, with no croupiers at all, useful only if slots have replaced your interest in tables.

Bet UK

Bet UK is the sports led member of the family, running a Kambi sportsbook next to a casino on the shared account 39198. A 21.co.uk player who also bets will find a single account that covers both, though the live table selection is a secondary feature rather than the headline.

Versus 21.co.uk: a betting first account where 21.co.uk is a dealer first one, so the choice comes down to whether you bet on sport.

The Complete 21.co.uk Family Lineup

This licence stretches beyond the five brands profiled above. LeoVegas Gaming PLC, on account 39198, also fronts the wider LeoVegas and BetMGM offerings together with further group skins, every one under the same company ever since the MGM Resorts takeover in 2022. Sites join and leave the roster as time passes, so treat any directory as a moment in time and confirm a brand is currently trading on the regulator listing before relying on it.

Shared Ground and the Differences

Are These Official 21.co.uk Partners?

Three different things tend to get blurred together. One is the real operator roster set out on this page, meaning each brand carried on LeoVegas Gaming account 39198. Another is the crowd of unrelated casinos that simply look similar. The last is MGM Resorts as a corporate parent, which is a company that owns the brand rather than a platform players sit on. The licence, the cashier and the player protection set belong to 21.co.uk alongside that first group, and to no one else.

21.co.uk Review

Within the LeoVegas family, 21.co.uk is the one built for live tables. The licence holder is LeoVegas Gaming PLC, these days part of MGM Resorts, and the site is a tidy, properly regulated casino that stakes out its territory around card games and dealer studios in place of reels or a betting slip.

Bonuses and regular offers

New players are met with a casino deposit match, usually topped up with spins, and the brand keeps live tables busy with reload deals and cashback runs. Since 19 January 2026 the Gambling Commission has pegged UK playthrough at no more than 10x, which means any page still quoting a heavier requirement is stale. Always confirm the current terms first.

Games and studios

Live dealer rooms are where this site shines, with blackjack, roulette, baccarat and game shows piped in mostly from Evolution. Sitting alongside them is a reel collection sourced from Pragmatic Play, Play n GO and NetEnt. Nothing here points at a betting market, which keeps attention squarely on the casino tables.

Banking and payouts

You can move money with a Visa or Mastercard debit card, PayPal, Apple Pay or a straight bank transfer, starting at ten pounds. Cash outs usually clear quickly once your identity has cleared, although a documentation review can briefly park a first request, a pattern seen right across the stable, so settle those checks early.

Help and safer play

You can reach the team on live chat or by email, while the player protection set includes deposit caps, cooling off periods, reality reminders and licence wide GamStop, plus signposting to GamCare and BeGambleAware. For context, back in August 2022 the regulator agreed a £1.32m resolution with LeoVegas over weaknesses in money laundering defences and player welfare, a case that explicitly listed this brand together with LeoVegas, Slot Boss, Pink Casino and Bet UK. Two advertising settlements in the region of £627,000 and £600,000 preceded it. Standards have been raised since.

Mobile

21.co.uk performs smoothly on mobile, sharing the phone first build quality that the LeoVegas platform is known for.

Key Facts

The Upsides and Downsides

• ✓ A notably deep live croupier floor, which is the single best reason to pick this brand over a sibling.
• ✓ Everything runs under one regulator account, number 39198, so GamStop and the IBAS dispute route reach every brand at once.
• ✓ Backing from MGM Resorts puts LeoVegas and BetMGM one short hop away.
• ✓ Wagering has dropped to the British 10x limit, lower than the figures the stable used to advertise.
• ✗ There is no betting slip at all, so anyone wanting sport has to switch to Bet UK or BetMGM.
• ✗ The reel catalogue trails the slots first brands such as Slot Boss and the flagship LeoVegas.
• ✗ This brand was one of those named in the 2022 regulator action against LeoVegas.
• ✗ A payout can stall while documents are reviewed, a gripe that follows the whole stable.

Operator details last reviewed: June 2026 (last updated 9 June 2026)

Updated June: reworked to reflect the confirmed LeoVegas Gaming licence holder, the live dealer focus that sets this brand apart, the MGM owned family of sites and the British limit of 10x on wagering.

Frequently Asked Questions

Who operates 21.co.uk?

21.co.uk is run by LeoVegas Gaming PLC, based in Malta, on UK Gambling Commission account 39198. LeoVegas has belonged to MGM Resorts International since 2022.

Which sites are sisters to 21.co.uk?

The siblings are LeoVegas, Pink Casino, BetMGM, Slot Boss and Bet UK, each operated by LeoVegas Gaming PLC on the same account 39198.

Do 21.co.uk sister sites use GamStop?

Yes. Each brand on the LeoVegas Gaming licence is UKGC registered and signed up to GamStop, so one self exclusion reaches across all of them at once.

Is LeoVegas linked to 21.co.uk?

Yes. LeoVegas is the founding brand and runs on the same account 39198 as 21.co.uk, making it a true same operator relative with an even larger live casino floor.

Which 21.co.uk sister site is best?

For players who value the live tables, LeoVegas is the strongest move, keeping the same operator and licence while widening the live casino. Pink Casino suits bingo fans and BetMGM adds betting.

Can I bet on sport at 21.co.uk?

No. 21.co.uk is built around live dealer card and table games and has no sportsbook. For betting you would move to a sibling such as Bet UK or BetMGM on the same licence.

Are there similar casinos to 21.co.uk?

The closest like for like choices with the same UKGC cover are its LeoVegas siblings, led by LeoVegas itself for live play. We do not recommend non UKGC or non GamStop sites as alternatives.

Our Verdict on 21.co.uk

21.co.uk is a polished, fully licensed casino that earns a seven on the back of a notably strong live dealer floor, tempered by a narrower slots range and the group’s 2022 enforcement record. If you want to stay close to its live tables, the best 21.co.uk sister site is LeoVegas, the same operator and licence with an even wider live casino. Move to Pink Casino if bingo appeals more, or to BetMGM and Bet UK if you also want to bet on sport.

New Sister Site rating: 7/10