Casino Sister Sites UK: A Complete Guide in 2025

What Are Casino Sister Sites? The UK Market Explained

What casino sister sites mean is those online casinos owned or operated by the same company but marketed under different brand names.

At CasinoAlpha, we’ve mapped sister site relationships across UK casino operators by analysing UKGC licence holders and platform ownership. We verify which casinos share operators, technology, and networks. This guide explains casino sister sites UK concepts and shows you how to identify related casinos yourself.

Same Owner, Different Brands

When discussing the sister sites, British players should know that they share the same owner, platform technology, or management despite appearing as separate casinos to players.

Types of sister site relationships:

Direct ownership: Multiple casino brands owned entirely by one parent company. To give you an example: Gamesys owns sites such as Jackpotjoy, Monopoly Casino, and Virgin Games, under the same corporate structure.

White label network: Multiple casinos using the same ready-made platform from a provider. As an example, 150+ casinos operate on Jumpman Gaming’s platform, which makes them sisters. Why? Because they share the same technology.

Operational control: Casinos owned by different companies but run by the same management team. Example: Some casinos share operational teams even though they have separate legal owners.

Why Casino Operators Create Sister Sites

Operators create multiple casino brands for strategic business reasons, which means that they want to expand their market reach.

• Market segmentation

Different brands target different types of players. Jackpotjoy focuses on bingo players. So, while Monopoly Casino attracts fans of branded games, Virgin Games, on the other hand, appeals to mobile-first players. And they all operate under Gamesys but, in the end, serve different audiences.

• Theme diversification

Sister sites use different themes to attract players who prefer specific styles. One network might include an Irish-themed casino, Vegas-themed casino, and fruit machine themed casino, all running on the same platform underneath.

• Competitive positioning

Multiple brands let operators take up more market space. When players search for casinos, they find several options from the same company. This increases the chances players will choose one of their brands over competitors.

• Risk distribution

Spreading operations across multiple brands is safer than having just one. The simplest explanation for this is that if one brand gets bad reviews or has problems, the other brands are not affected at all and just keep running normally.

Sister Sites vs White Label Networks: The Main Difference

The terms might overlap in some sections, but they have distinctions worth understanding by every player in the UK.

• Sister sites: These are the casinos that share ownership or operational control. They’re related through business structure. This term mostly focuses on the relationship between casinos.
• White label networks: Casinos licensing identical platform from provider. So, basically, they’re related through the technology they share. Term focuses on platform licensing arrangement.
• The overlap: Most white label network casinos are also sister sites because they share the platform provider as common element. Jumpman Gaming’s 150+ casinos are both sisters (related through Jumpman) and white labels (which are licensing Jumpman platform).
• True sister sites: Some sister casinos own unique platforms individually. Gamesys brands include both white label operations and custom platforms, making them sisters through ownership rather than shared platform.

For more white label platform information, visit our casino groups list.

How We Research and Verify Sister Sites

We verify sister casinos relationships through licence research and platform analysis rather than accepting simply casino claims.

Our Licence Holder Cross-Check Process

Step 1: Identify UKGC licence holder

The first step we take is the one of searching each sister casino on the UKGC public register to record the company name holding the licence and note the licence number for tracking. This forms the foundation of our sister site verification.

Step 2: Cross-reference licence holders

We compare licence holders across multiple casinos to identify those sharing the same licence holder. When casinos list the same company name, they’re definitely sister sites under the same operator, regardless of different branding.

Step 3: Research parent company structure

We dig into who owns the licence holder company with the aim of finding the main parent company at the top and mapping out the full ownership chain. This uncovers hidden connections where casinos look unrelated but actually have the same parent company.

Platform Analysis: Identifying Shared Technology

We examine platform technology to identify sisters sharing infrastructure beyond just licence checking.

Visual analysis:

We compare website layouts side by side looking for identical menu positioning and navigation structures. We examine cashier interfaces and displays for matching designs. We verify game filtering and categorisation systems mirror each other. Our CasinoAlpha experts check if bonuses really work the same way across different casinos (or not).

Technical analysis:

• Compare payment options and how they’re displayed
• Check if terms and conditions use the same wording
• See if customer support systems match
• Look for the same responsible gambling tools

Bonus Structure Comparison: Spotting Similarities

Sister sites usually have similar bonus structures and this is how you can tell they’re connected.

What we compare:

• Wagering requirements (35x, 40x, 65x typical for networks)
• Maximum win caps and conversion limits
• How long bonuses last before expiring
• Which games count towards wagering
• The exact wording in terms and conditions

When multiple casinos have identical bonus structures, this shows they’re sister sites or use the same platform provider.

The Major Sister Site Networks in the UK

There are several major networks that operate dozens of sister casino sites UK players encounter regularly. We listed these networks and analysed them so you can get true insights before picking a site.

Jumpman Gaming: 150+ Sister Sites

Jumpman Gaming operates the UK’s largest casino sister site network, and players should know they are offering more than 150 casino brands.

How to identify Jumpman sisters:

1. The Mega Reel welcome bonus feature immediately helps you understand that you are dealing with Jumpman sites through their distinctive spin-to-win bonus mechanism.
2. You’ll notice the standard 65x wagering requirement that appears across the entire network without variation or exception.
3. The identical layout and platform design means you’ll recognise the interface instantly if you’ve played at any Jumpman casino before.
4. The same 9 payment methods appear in identical order across all network sites.
5. Customer support emails often show Jumpman ownership because they all use the same email domain even though the casinos have different names.

Popular Jumpman casino brands:

• Slot Games
• Dream Jackpot
• Spin Genie
• Lucky VIP

Network characteristics:

Standard 65x wagering requirement across sites. Mega Reel feature unique to Jumpman network. Identical game provider selection. Shared VIP Club program. Similar promotional calendars.

Aspire Global: 60+ Sister Brands

Aspire Global powers over 60 casino brands sharing platform technology.

How to identify Aspire sisters:

1. Similar modern website design
2. Same payment method options
3. Similar bonus structures (35-40x wagering typical)
4. Same game providers
5. Same ID verification process

Popular Aspire casino brands:

• Karamba
• Casiplay
• Slots n’Play
• PlayFrank

Network characteristics:

Generally, you will notice that it’s a more modern platform than Jumpman. Also, we discovered lower wagering requirements than Jumpman (such as 35-40x vs 65x). Plus, what Aspire Global does is to focus on quality over quantity in game selection.

Gamesys Group: Jackpotjoy, Monopoly, Virgin

Gamesys Group owns and operates several well-known casino brands, which we enumerated below for the UK players.

Gamesys casino brands:

• Jackpotjoy (bingo-casino hybrid)
• Monopoly Casino (branded experience)
• Virgin Games (mobile-focused)
• Double Bubble Bingo (bingo-focused)

These are sister sites through direct corporate ownership rather than white label licensing. Each maintains somewhat unique platform while sharing operational infrastructure.

Skill on Net: PlayOJO and Slots Magic

Skill on Net operates several casino brands including PlayOJO known for fair play focus.

Skill on Net casino brands:

• PlayOJO (zero wagering pioneer)
• Slots Magic
• SlotStars
• Various other brands

Network characteristics:

What PlayOJO really stands out with is its no wagering requirements model, even if they are part of the network. Sister sites share some technology but keep their own unique brand features. Platform supports unique features per brand unlike more rigid networks.

Network Comparison Overview

Benefits of Playing at Sister Sites

Knowing which casinos are sister sites gives smart players several advantages that our CasinoAlpha experts detailed below.

Familiarity: Same Platform, Different Theme

If you like one sister site, you’ll probably also appreciate the others in the same family.

What stays consistent across sisters:

1. The main platform and navigation stay the same, so you don’t need to learn new layouts when switching between sister casinos.
2. Payment methods and processing times are exactly the same across the network.
3. You’ll find the same games from the same providers at each site.
4. Customer support quality stays consistent since the same teams handle all network brands.
5. Withdrawals and ID verification work the same way you’re already used to.

What changes between sisters:

• The look and branding create different styles even though everything works the same underneath.
• Each sister casino runs different promotions to feel unique.
• VIP programmes might have slightly different structures or rewards.
• Welcome bonuses look different but often have the same requirements.
• Different colours and graphics give each site a fresh look while keeping everything else familiar.

This familiarity means you don’t need to learn anything new or any other features when trying sister sites. You already know how the platform, payments, and overall experience work, which is basically an advantage.

Trust: If You Like One, You Can Trust the Others

A good experience at one sister site means that you should expect the others in the network to likely perform the same way.

Shared reliability factors:

1. The same team runs all network sites, ensuring consistent management quality
2. Same withdrawal systems mean similar payout speeds everywhere
3. Shared customer support training creates similar service experiences
4. Same payment providers mean your banking options work identically
5. Issues get handled the same way across the network

Risk consideration:

If one sister site gets a bad reputation or has compliance problems, this might affect how you view others in the network. Same operator means same operational standards across all brands.

Cross-Promotions: Network-Wide Offers

Some casino networks offer promotions across multiple sister sites, and here what this means:

• Shared VIP programs: Some networks run unified VIP clubs across sister sites. What happens is that your VIP status and loyalty points can sometimes even transfer between brands.
• Network-wide tournaments: Some operators run tournaments across multiple sister sites, which creates bigger prize pools and even more competition.
• Exclusive network bonuses: Existing players at one sister site sometimes get exclusive offers for other network brands.

Reality check: These cross-promotions are rarer than players expect, and our expert testing throughout the years can confirm this. Most sister sites run their bonuses independently despite having the same owner.

Drawbacks of Sister Sites

Sister site relationships create limitations that we believe British players should understand before joining such a casino.

Repetitive Experience

Playing across sister sites means encountering identical platforms repeatedly.

What feels repetitive:

• The same website layout with just different colours or logos
• Identical game libraries from the same providers with titles you’ve already played
• Same payment methods and cashier pages
• Similar bonuses and wagering requirements that all blur together
• Even customer support feels the same because teams handle all brands using identical training

If you want genuinely different casino experiences, sister sites disappoint because they basically offer more of the same rather than variety.

Welcome Bonus Limitation

Most casino networks limit welcome bonuses to one per player across all sister sites.

How this works:

When you claim a welcome bonus at one Jumpman Gaming casino, then sign up at another Jumpman sister site, you won’t get the welcome bonus; it’s automatically blocked from your account.

The network tracks players across all brands using shared databases. Terms usually say “one bonus per network” or “one bonus per household” covering all sister sites. This means you can’t collect welcome bonuses from 150+ Jumpman casinos even though they look like separate sites.

Checking terms:

Always read welcome bonus terms for “one per household/network” wording. Sister sites share player databases that track bonus usage across all their brands.

Lack of True Variety

Sister sites offer surface-level differences while keeping the same core experience.

What doesn’t actually change:

• The platform works exactly the same underneath different branding
• Game selection barely varies, same providers and titles everywhere
• Payment processing uses the same systems and methods
• Customer support quality stays the same across all brands
• Withdrawal speeds match because they use the same processing system

Players seeking genuinely different experiences should explore independent casinos instead of sister sites offering superficial variety.

How to Identify Sister Sites Yourself

You can identify sister site relationships through visible clues without expert analysis.

Check the Licence Holder in the Footer

Step-by-step process:

1. Scroll to bottom of casino homepage
2. Find licensing information section
3. Look for “Licence holder:” or “Operated by:”
4. Note the company name shown
5. Compare this company across multiple casinos
6. Matching company names = sister sites

Example: Casino A shows “Licenced to Jumpman Gaming Limited.” Casino B shows “Licenced to Jumpman Gaming Limited.” These are definitively sister sites.

Look for Shared Platform Features

Visual identifiers:

• The Mega Reel feature immediately shows it’s a Jumpman Gaming network site. When casino layouts look very similar, they’re likely sisters on the same platform.
• Same payment method displays with logos in the same order show shared systems.
• Matching game categories and filter options reveal the same underlying technology.

Operational identifiers:

• Support emails that include the network’s name
• Same documents needed to verify your account
• Terms and conditions using identical wording
• Responsible gambling tools laid out the same way

Compare Bonus Structures and Terms

Comparison checklist:

• Check wagering requirements (65x = likely Jumpman)
• Compare maximum win caps
• Verify expiry periods match
• Check game contribution percentages
• Read full terms for identical wording

Identical bonus terms across casinos strongly suggest sister site relationship even if branding differs.

Top 10 Sister Site Networks in the UK (Quick Reference)

We verified sister site relationships across major UK casino networks by analysing UKGC licence holders and platform ownership. This table lists 7 featured sister site brands with some of their actual affiliated sites.

PlayOJO Sister Sites: The Fair Play Network

PlayOjo operates on Skill on Net platform alongside several sister casino sites UK players might recognize.

PlayOJO and its sisters share:

1. The Skill on Net platform technology provides the foundation for PlayOJO and its alternative casino sites.
2. Similar payment method options appear across these related sites.
3. Comparable customer support systems handle player queries using shared infrastructure.
4. Related operational infrastructure connects these similar casinos despite different branding.

What makes PlayOJO unique despite sisters:

PlayOJO’s zero wagering OJOplus rewards system sets it apart from typical network operations. The fair play philosophy gets applied strictly across all their promotions. Money back on losses as OJO cash represents genuine innovation. Their transparent approach across operations differs markedly from standard sister site behavior.

PlayOJO differentiates quite a lot from typical Skill on Net sisters through their fair play mission. While platform technology shares DNA with sisters, the bonus approach and player treatment philosophy differs markedly.

For complete PlayOJO sister sites list and detailed analysis, see our PlayOJO sister sites page.

Jackpotjoy Sister Sites: The Bingo & Slots Giant

Jackpotjoy operates as flagship brand within Gamesys Group alongside multiple same operator casinos.

Jackpotjoy sister brands include:

• Monopoly Casino (branded board game theme)
• Virgin Games (mobile-focused approach)
• Botemania (Spanish market focus)
• Heart Bingo (bingo-casino hybrid)

Shared Gamesys characteristics:

Corporate ownership under Gamesys Group connects these sister brands operationally. Similar operational standards apply across all Gamesys casinos. Related customer support teams handle queries for multiple brands. Comparable payment processing systems work identically across the casino family.

Brand differentiation:

Each keeps its own identity despite having the same owner. Monopoly Casino uses the board game theme for a unique experience. Virgin Games focuses on mobile play with dedicated apps. Jackpotjoy combines bingo and casino games for bingo fans. This variety serves different player types while using the same technology behind the scenes.

For complete Jackpotjoy sister sites analysis, see our Jackpotjoy sister sites page.