What Are Sister Casinos? A Complete Guide for Players
Casino sister sites are brands connected through an operating company or wider owner. The term is useful only when the relationship is identified: two casinos can use the same games, payment provider or regulator without belonging to the same business.
Operator, owner and platform: three different things
The operator is the legal company responsible for the gambling account. The parent company owns businesses or brands within a group. The platform supplier provides technology and may serve unrelated operators. One company can fill several roles, but a shared supplier does not prove shared ownership.
For example, a group’s bingo and casino brands may use different legal entities. Calling them part of the same group can be accurate while saying they share one licence would be wrong. A useful sister-site guide names the relevant relationship rather than treating these terms as synonyms.
How to check two brands yourself
- Open the account terms of each exact website. Record the legal company and domain, including any country suffix.
- Search the domain in the Gambling Commission business register. Check the licence holder and whether the domain and relevant licensed activity are current.
- Compare the records. An identical operator is stronger evidence of an operating relationship than matching games or page layouts.
- If the companies differ, look for an official corporate ownership or acquisition statement. Keep the transfer date and the licensed operator separate.
- Read the account rules at each brand. The corporate relationship does not tell you everything about the customer experience.
What may differ between sister sites?
Accounts, promotional eligibility, game versions, withdrawal methods, limits and complaint routes can differ. Do not assume that an existing login works elsewhere or that a completed verification removes the need for checks on a new account. Even if the operator processes both sites, their current terms are the relevant evidence.
A new welcome-offer banner also does not establish eligibility. Some terms consider accounts at related brands, while other promotions have narrower conditions. Our guide to sister-site bonus eligibility explains what to compare before relying on an offer.
Historical records need a date
A profile can correctly describe who operated a casino in the past without establishing who runs it now. Acquisitions, licence surrenders and closed domains make dates important. Check whether a page describes a current service, a former brand or a regional version.
An overseas licence does not replace a Gambling Commission licence for serving players in Great Britain. A directory may include an overseas brand for research without recommending that readers create an account.
Using the SisteCasinoBet directory
Start with the individual brand directory, then compare the recorded company and licence in our ownership database. Read the sources in the profile and check the operator’s current terms. If the evidence conflicts, treat the relationship as unresolved until the exact domain and company have been established.
18+. Sister-site research is not a way to guarantee winnings or avoid restrictions. Do not use another brand to get around self-exclusion. See GAMSTOP and our support guide.