The Full Network: Sister Sites and Parent Companies Mapped

What Are Sister Sites and Why Do They Matter for UK Players?

In the world of online gambling, the term Sister Sites refers to casinos, sportsbooks, or gaming platforms that are owned and operated by the same parent company. When you sign up at one brand and later discover several others that share the same software, payment infrastructure, and licensing umbrella, those are sister sites. For UK players navigating the crowded iGaming market, understanding these relationships is more than a piece of trivia — it directly affects your bonuses, your account limits, your responsible gambling tools, and even how quickly your withdrawal requests are processed. The UK Gambling Commission (UKGC) licenses operators rather than individual brands, which means a single licence can cover dozens of different casino websites all running under the same corporate roof.

Knowing which platforms share ownership helps you make smarter decisions. If you've already claimed a welcome bonus at one brand in a network, the same bonus is typically unavailable at its sister sites. Likewise, if a particular network has a reputation for fast payouts or generous VIP rewards, you can reasonably expect those standards to carry across related platforms. This guide maps the full network landscape, explaining how parent companies work, what players should watch out for, and how to use these connections to your advantage.

How Parent Companies Structure Their Casino Networks

Most major iGaming groups operate multiple brands simultaneously — a business model that allows them to target different player demographics, themes, and markets without building entirely new back-end systems for each one. The parent company typically holds the master UKGC licence, manages payment processing, negotiates game content deals with software providers, and handles regulatory compliance centrally. The individual brands — the sister sites — then operate as distinct consumer-facing products, each with its own visual identity, promotional calendar, and marketing strategy.

This structure produces several practical consequences for players:

• Shared game libraries: Because the same software agreements apply across the network, you'll often find identical slot titles, live dealer studios, and table games appearing on every brand within the group.
• Unified KYC verification: Know Your Customer checks completed at one site may be recognised (though not always automatically transferred) at affiliated brands.
• Linked responsible gambling measures: Self-exclusion via GamStop covers all UKGC-licensed platforms, but some networks apply internal exclusions across their own sister sites voluntarily — a meaningful safeguard.
• Centralised customer support: Many networks run a single support team across all brands, meaning the quality of service you receive at one site predicts what you'll get at its siblings.
• Shared promotional mechanics: Wagering requirements, loyalty point structures, and cashback models are frequently identical across an operator's portfolio.

Large network operators such as Jumpman Gaming, Cassava Enterprises, and White Hat Gaming oversee hundreds of individual casino sites between them. Smaller but influential groups — like those behind brands such as Mega Riches, Pub Casino, All British Casino, Mr Vegas, and Duelz — tend to operate tighter, more curated networks where the quality-to-quantity ratio is carefully managed.

Mapping the Most Influential UK Casino Networks

The UK iGaming landscape is dominated by a handful of large operator groups, each with a distinct portfolio strategy. Some prioritise volume — launching as many brands as possible to capture search traffic and player registrations at scale. Others concentrate on quality, building a small number of premium sister sites that share high production values and generous player terms.

Understanding where popular brands sit within their networks gives you a clearer picture of what to expect. The table below illustrates how several well-known UK casino brands compare across key network metrics:

Jumpman Gaming is one of the most prolific operators in the UK market, running well over 500 individual casino brands — Pub Casino and Mega Riches among them — all under a single UKGC licence. Their model relies on white-label technology that allows rapid brand creation, though the underlying platform, game content, and promotional mechanics remain consistent across the entire estate. For players, this means that once you've experienced one Jumpman site, you have a very reliable preview of what to expect across the network.

By contrast, the L&L Europe network (home to All British Casino) takes a boutique approach, maintaining fewer but more distinctive brands. Each platform is given individual attention in terms of design and promotional offers, even though the underlying infrastructure is shared. ComeOn Group, which operates Duelz, falls somewhere in the middle — a mid-size network with strong brand differentiation and a consistent emphasis on gamification features.

Casino

Welcome Bonuses Across Sister Sites: What Changes and What Doesn't

One of the most practically important questions for new players is how bonuses work across a network. The general rule in the UK market — and one enforced by UKGC guidelines — is that welcome bonuses can only be claimed once per player across sister sites operated by the same entity. This is determined by your personal details: name, address, payment method, and device fingerprint, not just your email address.

However, ongoing promotions, reload offers, and loyalty rewards can vary significantly from brand to brand, even within the same network. The table below compares typical welcome offer structures across the brands we're tracking:

Notice that Pub Casino and Mega Riches — both Jumpman properties — share almost identical bonus structures. This is intentional: Jumpman Gaming applies a standardised promotional template across its network. The differentiation between these two brands is primarily cosmetic and thematic. Players who have already claimed at Mega Riches will find themselves ineligible for the Pub Casino welcome offer, and vice versa.

The practical takeaway: always research which network a new casino belongs to before registering, particularly if you've already played at a brand in the same group. Doing so ensures you make the most of the welcome incentives available to you without wasting a sign-up on a site where you're already counted as an existing customer.

Payment Methods and Withdrawal Speeds Across Networks

Because sister sites typically share the same payment processing infrastructure, the banking options available to you — and the speed with which your withdrawals are processed — will usually be consistent across an operator's entire portfolio. This is genuinely useful information: a network with a reputation for same-day payouts is likely to deliver that standard across all its brands.

For UK players, the most relevant payment methods to consider include:

• Debit cards (Visa/Mastercard): Standard across virtually all UKGC-licensed sites. Credit cards have been banned for gambling in the UK since April 2020.
• PayPal: Available at a significant number of UK casinos. Networks that support it on one brand usually offer it across all related sites.
• Paysafecard: Widely available as a deposit-only method across many Jumpman brands, including Pub Casino and Mega Riches.
• Apple Pay / Google Pay: Increasingly common across networks, particularly those that have invested in mobile-first platform design.
• Bank transfer: Available across most networks for larger withdrawal amounts.
• Skrill and Neteller: Available at many sites but often excluded from bonus eligibility under network-wide terms.

Withdrawal processing times at Jumpman-network sites such as Pub Casino and Mega Riches typically fall in the 24–48 hour range for standard requests. L&L Europe's All British Casino is frequently cited for processing times under 24 hours, a standard it maintains consistently. ComeOn Group's Duelz similarly targets next-day processing for verified accounts.

One important nuance: while payment infrastructure is shared, individual brands within a network can set different minimum and maximum withdrawal thresholds. Always check the cashier section of the specific site you're using rather than relying on network-wide assumptions.

Responsible Gambling Protections Across Sister Site Networks

Responsible gambling tools are an area where the sister site relationship becomes particularly significant — and where UKGC regulations have the most direct impact. The Commission requires all licensed operators to participate in GamStop, the UK's national self-exclusion scheme. When you register with GamStop, your exclusion applies automatically to every UKGC-licensed platform, which by definition covers all sister sites operating under UK licences.

However, some networks go further by applying internal exclusions across their own portfolio. This means that if you request a self-exclusion directly with one brand — rather than through GamStop — a responsible network will extend that exclusion to all its sister sites automatically. This is considered best practice and is something players should actively look for when evaluating a network's commitment to player welfare.

Key responsible gambling tools to look for across networks:

1. Deposit limits: Set maximum daily, weekly, or monthly deposit caps — typically shared across a network's portfolio once established.
2. Loss limits: Restrict how much you can lose within a defined period.
3. Session time limits: Set maximum playing session durations with mandatory breaks.
4. Reality checks: Pop-up notifications reminding you how long you've been playing and how much you've wagered.
5. Cool-off periods: Temporary breaks from gambling that don't constitute a full self-exclusion.
6. Self-exclusion: Permanent or time-limited exclusion from gambling, ideally applied network-wide and cross-network via GamStop.

All five brands discussed in this guide — Mega Riches, Pub Casino, All British Casino, Mr Vegas, and Duelz — are UKGC licensed and therefore GamStop participants. Players concerned about problem gambling should always use GamStop rather than relying solely on operator-level exclusions, as GamStop's coverage is broader and legally binding across the full UK licensed market.

Pros and Cons of Playing Across Multiple Sister Sites

There are genuine advantages to understanding and navigating casino networks strategically, but also some pitfalls to be aware of. Here's an honest assessment of both sides:

Advantages

• Predictable quality: If you enjoy the platform experience at one brand, you can expect a similar level of quality at its siblings. This saves time during the research and onboarding process.
• Loyalty perks spread across brands: Some networks allow VIP points or loyalty rewards to accumulate and be redeemed across their entire portfolio.
• Consistent customer support: The same support team typically handles queries across sister sites, meaning your service history and account notes may carry over.
• Shared game access: New game releases negotiated by the parent company roll out across all affiliated brands simultaneously.
• Familiarity with terms: Once you understand the wagering requirements, payment rules, and promotional mechanics of one brand in a network, the others become immediately easier to navigate.

Disadvantages

• Bonus ineligibility: The most significant drawback — having played at one site in a network locks you out of welcome offers at its sister sites.
• Shared account restrictions: If an operator flags your account for any reason (even incorrectly), that decision can sometimes ripple across sister sites within the same network.
• Limited game variety difference: Despite different branding, the underlying game library is usually identical, reducing the practical variety you experience.
• Homogenised experience: Heavily themed sister sites can feel superficially different while delivering an effectively identical experience beneath the surface.

The table below summarises the key pros and cons at a glance for players considering multiple accounts across networks:

How to Research Sister Sites Before You Register

Armed with an understanding of how networks operate, the next step is knowing how to research any casino's affiliations before you commit to registration. This is simpler than it might seem, and a few reliable methods exist for UK players.

Check the Footer of the Website

Most legitimate UKGC-licensed operators include their parent company name and licence number in the website footer. The UKGC licence number links directly to the Commission's public register, where you can look up the full list of websites operating under that licence — effectively a complete directory of sister sites for that network.

Use the UKGC Public Register

The UK Gambling Commission maintains a publicly accessible register of all licensed operators and the domains they operate. Searching for a company name or licence number will return every brand under that umbrella. This is the most authoritative source and should be your primary research tool.

Look for Shared Terms and Conditions

Sister sites within the same network typically share identical or near-identical terms and conditions documents, often hosted on the same domain. If you notice that two different casino websites link to the same T&Cs URL or use word-for-word identical bonus terms, they're almost certainly from the same network.

Observe Platform and Software Similarities

The underlying software platform — the lobby layout, navigation structure, account management pages, and cashier interface — is usually identical across sister sites. If two casinos feel like the same website with different wallpaper, that's a strong indicator of shared parentage.

Use Trusted Affiliate Review Sites

Established affiliate resources, including expert comparison guides, map out network relationships and provide curated lists of sister sites for major UK operators. These resources typically cross-reference UKGC data with player feedback to give a comprehensive picture of each network's characteristics.

Following these steps before you register at any new casino will help you avoid the frustration of discovering your target welcome bonus is unavailable because of an existing account at a site you've already played. It also helps you make informed decisions about which networks best match your playing style, preferred payment methods, and responsible gambling needs.

Frequently Asked Questions