Casino Sister Sites Explained: Why Different Casinos Can Be Owned by the Same Company
Learn what casino sister sites are, why different UK casinos can share the same operator or licence, and how to check casino ownership yourself.

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Key Takeaways
- Casino sister sites are separate gambling brands connected through the same operator, parent company or wider ownership group, and some share the exact same UKGC licence account.
- Sister casinos can still have different bonuses, branding and features, but they may also share games, payment systems, verification processes and wider infrastructure.
- The quickest way to verify sister sites is to find the legal operator in the casino footer and check its current trading names and domains on the UK Gambling Commission register.
If you've ever opened two completely different casino sites and thought:
"Hang on... why does this feel exactly the same?"
There is a decent chance they are sister sites.
Different logo.
Different colours.
Different bonus plastered across the homepage.
But somewhere underneath all of that, the same company may be running both.
And this actually matters more than it sounds.
Because sister casinos can share things like:
- the same legal operator
- the same UK Gambling Commission licence
- similar payment systems
- the same game platform
- similar verification processes
- overlapping customer-support infrastructure
- almost identical bonus rules
So if Casino A annoyed you and you move to Casino B thinking you have escaped to a completely different operator, you may have basically just changed the wallpaper.
That does not mean sister sites are bad.
It just means you should know what you're actually comparing.
What are casino sister sites?
Casino sister sites are separate gambling brands connected by the same parent company, legal operator or wider casino group.
The exact relationship varies.
Sometimes two casinos are literally operated by the same legal company under the same UKGC account.
Sometimes they sit under the same parent company but use different licensed subsidiaries.
Sometimes the ownership is shared while the products themselves are run quite differently.
So "sister site" is useful shorthand.
It does not always mean:
Same casino, copied three times.
A better way to think about it is:
Different casino brands that belong to the same wider family.
A real example: Coral, Ladbrokes, PartyCasino and bwin
Here is where this gets much easier to understand.
The Gambling Commission currently lists all of these as active trading names under LC International Limited, account number 54743:
- Coral
- Ladbrokes
- bwin
- PartyCasino
- Gala Casino
- Foxy Bingo
- Foxy Games
Those websites do not look identical.
A Coral customer is not going to confuse the site with Foxy Bingo.
But legally, there is a very obvious connection sitting underneath the brands.
This is exactly the sort of thing we mean when we talk about sister casinos.
You can see the difference in positioning by comparing our Coral review with other brands in the same wider operator family.
The branding can be completely different while the licence trail leads back to the same place.
Another example: PlayOJO and Prime Casino
Skill On Net is an even bigger example.
Its UK Gambling Commission account includes a long list of active casino trading names, including:
- PlayOJO
- Prime Casino
- MegaCasino
- KnightSlots
- Slingo
- SlotsMagic
- LuckyVegas
- Queen Vegas
- Genting Casino
And plenty more.
So if you have seen several online casinos that feel weirdly similar, there may be a pretty boring explanation:
They are running on the same wider operating infrastructure.
That does not automatically make the experience identical.
PlayOJO, for example, has built a very specific brand around no-wager rewards and its OJO character.
Another Skill On Net brand might look completely different.
But the ownership and licensing connection is still relevant when you are trying to work out how independent those choices really are.
Why do companies run so many casino brands?
Because different brands attract different people.
That really is most of the answer.
One casino might be built around:
- bingo
- colourful slots
- sports betting
- live casino
- low deposits
- high rollers
- a younger mobile-first design
- a very traditional bookmaker brand
The operator can then market each site to a slightly different audience without trying to make one brand appeal to everybody.
Think about a supermarket company owning several different food brands.
The packaging changes.
The audience changes.
The underlying company does not necessarily change.
Online gambling does the same thing.
Sister sites can have different bonuses
This is where people often overgeneralise.
Two sister casinos do not necessarily have the same welcome offer.
One might offer:
£10 deposit → 50 free spins
Another brand from the same operator could offer:
100% match up to £100
A third may have no traditional welcome bonus at all.
Promotions are marketing decisions.
They can change from brand to brand even when the operator behind them is identical.
The same is true for:
- minimum deposits
- loyalty programmes
- free-spin values
- bonus games
- wagering requirements
So do not assume:
"I know this operator, therefore I know this casino's offer."
Check the actual site.
Can sister sites have the same games?
Very often, yes.
This is one of the easiest ways to spot the relationship.
If two casinos use the same platform and have agreements with the same game studios, their lobbies can overlap heavily.
You might see the same:
- Pragmatic Play slots
- NetEnt titles
- Evolution live tables
- Play'n GO games
- Slingo games
across several brands.
Sometimes even the category layout feels familiar.
That does not mean every library is identical.
Operators can still negotiate brand-specific games or choose which titles to feature.
But if your main reason for opening a second account is:
"I want a completely different game library"
moving between sister casinos may not give you as much variety as moving to a genuinely separate operator.
Our best UK online casinos are compared on the actual product rather than pretending every logo represents an entirely independent ecosystem.
Can sister sites use the same UK Gambling Commission licence?
Yes.
And this is one of the cleanest ways to verify the relationship.
Take LC International Limited again.
The UKGC record shows multiple active trading names under account 54743.
That means several recognisable casino and betting brands ultimately operate under the same licensed company.
Likewise, Skill On Net Limited's account 39326 contains dozens of active trading names.
The important thing is to check the regulator itself rather than trusting a little licence logo in the footer.
Our guide to how UKGC licence protection works explains what the licence actually tells you and how to check the exact operator behind a casino.
Same parent company does not always mean same licence
This distinction matters.
A huge gambling group can own several companies.
Those companies can then hold separate UK Gambling Commission licences.
So two brands might be corporate sisters without being operated under the exact same licence account.
That is why we would check the legal operator, not just the parent-company name.
You are trying to work out three separate things:
- Who owns the brand?
- Which legal company actually operates the website?
- Which UKGC licence covers that exact site?
Those answers can all be related without being identical.
What about Rainbow Riches, Double Bubble and Jackpotjoy?
Gamesys Operations Limited is another useful example.
Its current UKGC domain record includes:
- Double Bubble Bingo
- Jackpotjoy
- Bally Casino
and also lists several white-label domains including:
- Rainbow Riches Casino
- Rainbow Riches
- Virgin Games
- Monopoly Casino
Again, the sites do not necessarily look alike.
Some lean heavily into bingo.
Some are broad casinos.
Some use famous branded themes.
But the regulatory record shows how many apparently separate gambling brands can sit around the same operator infrastructure.
If the Rainbow Riches name is what brought you here, our new Rainbow Riches casino and slots guide explains the slightly confusing difference between Rainbow Riches the slot franchise and Rainbow Riches Casino the actual gambling site.
Why should you care who owns your casino?
There are a few practical reasons.
1. You may not be getting as much choice as you think
Suppose you compare five casinos.
Three belong to the same group.
That does not make the comparison useless.
But it means you are not really comparing five completely independent operators.
You are comparing three brands from one family plus two genuine alternatives.
2. The experience can overlap
Sister sites may use similar:
- cashier systems
- verification procedures
- terms
- customer-support systems
- game platforms
So if the thing you disliked about Casino A came from the operator itself, Casino B may not solve it.
3. The licence history may matter across brands
If a regulator takes action against the legal operator, that is more meaningful than looking only at one brand name.
The regulator licences the company.
The logo is marketing.
4. Responsible gambling controls can overlap
Where brands share an operator or connected systems, restrictions and account controls may sometimes operate across more than one brand.
And GAMSTOP applies across participating UK-licensed online operators anyway.
Do not open a sister site because you are trying to bypass a safer-gambling restriction.
If gambling has reached that point, another account is the last thing you need.
Are sister casinos worse than independent casinos?
No.
That would be a lazy conclusion.
A large operator can have:
- stronger compliance teams
- better payment infrastructure
- more games
- better apps
- mature support systems
An independent casino can be excellent.
It can also be terrible.
Ownership structure tells you who is behind the product.
It does not automatically tell you whether the product is good.
We care about sister-site relationships because they give useful context.
Not because being part of a group is inherently bad.
Is there any point joining two sister casinos?
Sometimes.
If Casino A and Casino B genuinely offer different things, sure.
Maybe one has:
- better live casino games
- a stronger app
- a different bonus
- bingo
- a game you cannot find on the sister brand
That can be perfectly reasonable.
What we would not do is open five sites under the same operator thinking we have massively diversified our options.
If the game libraries, cashier, support and terms are nearly identical, you have mostly collected five passwords.
How to find a casino's sister sites yourself
You do not need a giant ownership spreadsheet.
Start at the bottom of the casino website.
Look for wording such as:
"Operated by..."
or
"Licensed by the Gambling Commission under account number..."
Then:
1. Copy the legal company name
Not the casino name.
The company.
2. Search the UK Gambling Commission public register
Find the operator.
3. Open its trading names and domain names
This is where the family starts becoming obvious.
If the same operator record lists six casino names, congratulations.
You just found the sister sites without relying on an affiliate page guessing for you.
4. Check whether the relationship is still current
Casino ownership changes.
Brands get sold.
Licences migrate.
Old sister-site lists can go stale extremely quickly.
So if the relationship actually matters to your decision, check the live regulator record.
The main thing to remember
A casino brand is not the same thing as a casino operator.
That is the bit that makes this whole topic click.
The homepage might show a leprechaun.
Another site might show a fox.
Another might look like a serious sportsbook.
Underneath all three, the legal paperwork can still point back to the same company.
That is not automatically a problem.
But if you want genuinely different alternatives, it is worth knowing when you are comparing separate operators and when you are basically comparing siblings.

Alan Woods
Content Editor
Alan reviews Irish casinos the same way he used to assess security risks: nothing gets the benefit of the doubt until it holds up under scrutiny. His cyber security background means he checks the things most reviews overlook, like licensing, how a site handles your data, and what the withdrawal terms actually deliver once the welcome offer is out of the way. He’s a published author as well, so you get the verdict in plain English instead of a technical checklist.
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