Independent reference

UK casino sister sites

Casino sister sites in the UK include brands run by SkillOnNet, LeoVegas Gaming and Gamesys, alongside Flutter's wider businesses. A related casino can recognise your existing account, so ownership and customer access need to be distinguished before you consider another registration.

Ownership and account sources checked 8 September 2026.

Compare popular UK casinos

These brands span different casino groups. Compare their offers here, then use the sister-site guides to understand which operators they share.

  • Betway Casino logo

    Betway

    150 Free Spins on £20 Deposit

    Payout
    0-24 hrs
    RTP
    96%
    Min.
    €10
    150 Free Spins30% Cashback
  • Mr Green Casino logo

    Mr Green

    200 Free Spins on £10 Deposit

    Payout
    0-24 hrs
    RTP
    96%
    Min.
    €10
    200 Free Spins20% Cashback
  • William Hill Casino logo

    William Hill

    200 Free Spins on £10 Deposit

    Payout
    0-24 hrs
    RTP
    96%
    Min.
    €10
    200 Free Spins20% Cashback
  • Betfred Casino logo

    Betfred Casino

    Up to 200 Free Spins on £10 Deposit

    Payout
    0-3 hrs
    RTP
    94%
    Min.
    €10
    200 Free Spins20% Cashback
  • Paddy Power Casino logo

    Paddy Power

    60 Free Spins No Deposit + 200 Free Spins

    Payout
    0-24 hrs
    RTP
    96%
    Min.
    €10
    260 Free Spins20% Cashback
  • PokerStars Casino logo

    PokerStars Casino

    100% Up to £500 + 50 Free Spins

    Payout
    0-24 hrs
    RTP
    96%
    Min.
    €19
    50 Free Spins20% Cashback
  • Sky Vegas logo

    Sky Vegas

    50 Free Spins No Deposit + 200 Free Spins

    Payout
    0-24 hrs
    RTP
    94%
    Min.
    €9
    250 Free Spins20% Cashback
  • BetMGM UK Casino logo

    BetMGM UK

    200 Free Spins on £10 Deposit

    Payout
    0-24 hrs
    RTP
    96%
    Min.
    €10
    200 Free Spins20% Cashback
  • Coral Casino logo

    Coral Casino

    100 Free Spins on £10 Deposit

    Payout
    0-24 hrs
    RTP
    96%
    Min.
    €10
    100 Free Spins20% Cashback
  • PlayOJO Casino logo

    PlayOJO

    80 Free Spins No Wagering

    Payout
    0-24 hrs
    RTP
    96%
    Min.
    €10
    80 Free Spins20% Cashback
  • Unibet Casino logo

    Unibet

    200 Free Spins on £10 Deposit

    Payout
    0-12 hrs
    RTP
    95%
    Min.
    €10
    200 Free Spins10% Cashback
  • Jackpotjoy Casino logo

    Jackpotjoy

    50 Free Spins on £10 Deposit

    Payout
    0-24 hrs
    RTP
    95%
    Min.
    €10
    50 Free Spins20% Cashback

What are sister casinos?

Casino sister sites are separately named services connected through an operator, a parent company or both. The relationship can be close, with several products available through one account, or more distant, with different businesses operating under the same corporate owner. Knowing which connection applies is the starting point for a useful comparison.

The casino name is the part you see first. Behind it, an operating company provides the gambling service and accepts the customer agreement. A parent company can own that operator as well as other businesses. These roles sometimes sit together, but treating them as identical can turn a genuine ownership connection into an unsupported claim about shared accounts.

Sky Vegas and Paddy Power illustrate that distinction. Both belong to Flutter, while the named Sky services have a closer account arrangement. Flutter's ownership explains the wider family; it does not make every casino in that family another place to use a Sky login. The individual sister-site comparisons separate those levels for each brand.

Games alone tell you much less. Unrelated casinos can offer titles from the same studio, use similar lobby software or display the same payment logos. Those similarities may explain why two websites feel familiar, but they do not identify a common operator. A business relationship needs support beyond what appears in the game menu.

A sister-site list is therefore most useful when it states what joins the names together. An operating family, a parent portfolio and a collection of products within one service are different comparisons. None automatically makes a casino better, gives you another welcome offer or establishes permission to open a second account.

How do sister casinos differ?

Related casinos can emphasise different games, rewards and ways of finding them. Shared operation may explain familiar systems behind the websites, while the individual brand decides how its service is presented. Compare something you intend to use rather than assuming another member of the family is either identical or entirely new.

A dedicated game collection can matter more than a large overall catalogue. Slingo.com gives its namesake format a prominent identity, although Slingo games also appear at other casinos. PlayOJO presents a different brand and reward model within the SkillOnNet operating context. Their connection narrows the family, but their product emphasis gives a comparison its purpose.

For live games, look beyond the presence of a live-casino tab. The table rules, available formats and limits need to suit the activity you intend to use. For slots, a particular studio or a clear search function may be more relevant. A familiar supplier can appear at both related and unrelated casinos, so it is a product consideration rather than proof of ownership.

Presentation also affects everyday use. A casino may make bingo easy to find while another puts slots first. Mobile navigation, account access and the way promotion conditions are displayed can differ between brands. These are specific points to compare; a different colour scheme by itself says little about the service behind it.

The question changes if you want a different operator rather than a different casino brand. Another member of the same operating family will not meet that aim, even if its lobby looks very different. The casino networks directory identifies the businesses involved, while the brand profiles explain the closer alternatives within each family.

Comparing offers across related casinos

A welcome offer is useful only if you qualify for it and its conditions fit how you intend to play. A different casino name does not settle either point. Operators can refer to previous registrations, associated brands or households in the customer definition, including where each brand uses a separate account.

Read that eligibility wording before comparing headline amounts. A promotion for new customers might define the relevant customer at brand level or refer to a wider set of services. The exact campaign matters. An answer about one offer should not be treated as permission to claim a later promotion with different conditions.

Then compare the reward with the commitment attached to it. A qualifying deposit, wagering requirement, permitted games, maximum bet and expiry can materially change an offer. Free spins also have a value per spin and conditions governing any resulting winnings. More spins or a larger advertised amount do not necessarily make two rewards directly comparable.

A reward model belongs to the casino offering it, not automatically to every sister. PlayOJO's published rewards should not be carried across to another SkillOnNet brand simply because the operator is shared. The same principle applies to promotions within other groups: common ownership establishes the relationship, not uniform terms.

If an earlier account makes eligibility unclear, ask about the named promotion and identify the previous brand. Keep the response with the relevant conditions. Do not change personal details to appear new or make another deposit merely to test whether an offer will be accepted. Permission to register and permission to claim a reward remain separate questions.

Casinos at a glance

Casino comparison by bonus, deposit, account notes and RTP. These figures are quick reference points; sister-site relationships still need operator and terms checks.

Casino comparison by bonus, deposit and account notes
CasinoRatingBonusMin. depositPayout time
Betway5.0 / 5150 Free Spins on £20 Deposit€100-24 hrs
Mr Green4.9 / 5200 Free Spins on £10 Deposit€100-24 hrs
William Hill4.9 / 5200 Free Spins on £10 Deposit€100-24 hrs
Betfred Casino4.8 / 5Up to 200 Free Spins on £10 Deposit€100-3 hrs
Paddy Power4.8 / 560 Free Spins No Deposit + 200 Free Spins€100-24 hrs

Opening another account within a casino group

An existing account may already cover the service you want to use. Alternatively, a related casino may require a separate registration under its own terms. Establish that distinction before signing up, especially when you recognise the company but have not used the particular casino product before.

Sky's named gambling services illustrate a connected arrangement. A customer moving between products covered by that agreement is not necessarily becoming a new customer. A forgotten password is an account-recovery issue, not evidence that another registration is needed. A household television subscription, meanwhile, is a different service from a gambling account.

Separate registrations can still have connected conditions. An operator may take account of previous closures or restrictions at associated brands, without providing one shared balance or login. Jackpotjoy's published help distinguishes a login lock from a closed account and describes connections to other Gamesys brands. The message attached to the original account matters.

Money remains subject to the arrangement of the service holding it. Shared ownership does not prove that funds can be moved between casinos, and a familiar username does not establish access to another balance. Use the recognised support channel for the original account when resolving a funds question. A new deposit elsewhere is not a solution to an unresolved account issue.

Restrictions need particular care. Self-exclusion can cover several brands or participating operators with different owners. Changing the company name does not cancel a restriction that applies to the new service. Keep any active limits in place and seek clarification or support rather than testing access through another casino.

Your own spending also crosses brand boundaries, even where the accounts do not. Two deposits of £20 commit £40 from the same finances. Moving between sister sites does not create another affordable budget, and a limit reached at one casino is not a reason to continue at another.

Why casino families change

Casino families change when businesses are bought, brands move to another operator or a service closes. Older lists can also group companies incorrectly. Those situations have different consequences, so a changed list should explain the event rather than simply replace one company name with another.

A parent-company acquisition can leave the operating business and its customer agreements in place. An operator transfer concerns the business providing the casino service more directly. Neither event, on its own, tells an existing customer whether their login, balance or account conditions have changed. The announcement and the customer instructions answer different questions.

Heart Bingo illustrates why historical associations need dates. An older Gamesys connection does not describe the current BV Gaming service. Someone returning to a previous registration needs the relevant transition information, not merely a modern list of casinos with similar branding. The operator-change article examines that distinction through dated examples.

Country differences can create another apparent contradiction. A familiar casino name may be used by different services in Britain and overseas. A corporate statement about an international brand should not automatically be applied to its British account arrangement. Match the website and market before treating two descriptions as conflicting.

Keep historical information where it explains an older account, but label it as historical. A former sister should not appear as an available current alternative simply because several comparison sites repeat the same list. When the present relationship is unresolved, a shorter qualified answer is more useful than an invented family.

Confirming a casino's current connections

The current service agreement identifies the company responsible for a casino account. Corporate portfolios and completed acquisition announcements help establish ownership above that company. These sources support different conclusions, so use the one that answers the actual question rather than treating every company mention as equivalent.

Begin with the exact casino address and country. Find the legal business named in its terms, then compare that business with the one named by the other casino. A trading name may differ from the company name, and similar names can belong to different entities. The casino ownership guide explains these distinctions in more detail.

For a wider parent relationship, look for the brand or operating business in current company material. Retain the date and the scope of the statement. An announcement about one subsidiary does not necessarily describe every service carrying a similar name. A software provider's customer list, meanwhile, supports a supplier relationship rather than proving common ownership.

Account features need their own support. A company portfolio cannot establish a shared wallet, an accepted login or promotion eligibility. Look for the relevant customer condition or official account notice. Where the published information stops, keep that limit visible instead of presenting an assumption as a tested feature.

Vivaldo uses public company and customer material to explain these relationships. We have not opened accounts, deposited or claimed rewards to test shared functions. How we rate sets out that boundary and the evidence behind the comparisons. Gambling is for adults aged 18 and over; it involves the risk of losing money and is not a source of income.

Use the support services in the footer if changing casinos has become a way to continue after a limit or restriction. You do not need another gambling account to ask for help, address an existing registration or seek the return of eligible funds.

Compare related casinos, identify their owners or check what another registration would mean for you.

Compare named sister casinos

PlayOJO and BetMGM belong to different British licensed groups. Sky Vegas has a named shared-account arrangement, giving each brand a different customer connection to compare.

Identify the casino owner

Flutter's corporate group is larger than Sky's account group. Gamesys, LeoVegas Gaming and SkillOnNet supply other licensed relationships behind differently named British casino brands.

Understand shared accounts

Common ownership doesn't automatically make customer accounts interchangeable. The distinction matters before expecting a sister to accept existing credentials or treat an older registration as new.

Frequently asked questions

Which UK casino sister sites share a login?

Sky's terms expressly allow one account across five named gambling services. That covers Sky Vegas alongside Sky Bet, Sky Casino, Sky Poker and Sky Bingo, but doesn't include Paddy Power's separate service.

Are PlayOJO and Slingo.com related?

Both connect through Skill On Net Limited's British licence. Slingo.com appears as a white label, while Gaming Realms owns the Slingo format used by that casino and other licensed gambling businesses.

Who operates Jackpotjoy and Virgin Games?

Gamesys Operations Limited appears behind both British casino domains. Bally's bought Gamesys in 2021, while Intralot's 2025 acquisition of the international interactive business adds a later chapter to that corporate history.

Does Entain run the British BetMGM casino?

LeoVegas Gaming operates BetMGM UK within the MGM Resorts business. Entain's involvement in American BetMGM doesn't make the British casino another Ladbrokes or Coral account, and American credentials don't transfer into it.

Can an earlier sister account affect a welcome offer?

An operator can restrict eligibility through associated-brand customer conditions. You need the named promotion's terms and your own registration history before deciding whether another casino will accept an introductory offer claim.

Can self-exclusion cover casinos outside my current group?

Yes. A multi-operator exclusion can cover participating casinos with different owners. Keep the registration confirmation and check which services it covers. An unrelated owner does not cancel an exclusion that already applies to that casino.

Hasmik Danielyanresearch editor

Researches casino owners and the accounts they operate.

Hasmik Danielyan's editorial remit covers British casino operators and ownership changes. Her contributions distinguish the licensed company from the customer rules connecting its related brands.