UK Casino Sister Sites & Parent Company Directory (2026)

Find connected casino brands, the operators behind them and the parent-company networks that link them.

12 Featured Casinos for Sister-Site Research

Start with these casino brands, then use the SisterIndex directory to identify their operators, connected sites and wider company networks.

Zizobet

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Wildies

4.9

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Cosmobet

4.9

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Win Place

4.9

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4.7

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WinBeast

4.8

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Velobet

4.8

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ShelbyWin

4.8

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Smash Casino

4.6

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4.7

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Gambiva

4.6

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4.7

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Compare 12 casinos

A casino sister site is another brand connected through the same operator, licence holder, parent company or operating network. SisterIndex maps those relationships so readers can separate genuine sister casinos from unrelated sites that merely look similar.

Find casino sister sites by brand or operator

Use the UK casino sister-sites directory when you already know the brand name. Each page identifies the company relationship, lists connected brands and links into the relevant operator network where one exists. If you know the company but not the consumer brands, begin with the casino operator and parent-company directory. Together, these routes work as a casino parent company directory for questions such as who owns a casino brand and which casinos are owned by the same company.

Popular UK casino research routes

Searchers use SisterIndex for more than one kind of casino relationship question. Some want the operator behind a brand, some want payment and withdrawal checks, and some need safer-gambling information before comparing any casino pages.

New casino sister-site research

Editorial illustration for New casino sister-site research

New brand pages are added to the directory with operator-led intent. The latest additions give readers more ways to find smaller or newly covered casino networks without forcing those searches into unrelated feature articles.

How operator networks connect casino brands

A casino name is the public-facing brand. The operator is the company responsible for running the service, while a parent company may control several operators or brands. These layers are why two casinos can be related without sharing a name, colour scheme or website design.

SisterIndex keeps those layers visible. A brand page owns the search intent for that casino’s sister sites. A network page owns the broader company or operator query. Supporting guides answer narrower relationship questions such as whether connected brands use separate accounts, how an ownership change affects a group and how to distinguish a real sister site from an independent alternative.

Operator connection

Two brands may be sister sites because the same legal operator runs both. This is usually the clearest relationship because the company name can be compared across the sites’ terms and corporate information.

Parent-company connection

Brands can also sit within the same corporate group while using different operating entities. In that situation the parent-company hub helps readers understand the wider family without pretending every practical detail is identical.

Platform or white-label connection

A shared platform can make two casinos feel related, but software alone does not always prove common ownership. The sister-site verification guide explains how to use platform clues alongside operator and company information.

Priority UK casino operator networks

These hubs collect the brands already covered on SisterIndex and provide a direct route between a parent network and its individual sister-site pages.

Use one page for each sister-site search intent

The directory is organised so similar searches do not compete with one another. The 888 Casino sister-sites page owns the casino-brand query, while 888 Ladies sister sites and the related bingo coverage answer their own audience and product questions. The same rule applies across every brand family: one primary page for the named casino, one hub for the operator and supporting articles for specific comparisons.

That structure makes internal linking useful rather than repetitive. Brand pages link upward to their operator hub and sideways to a small number of relevant sister brands. Network hubs link downward to the full covered group. Guides and blog posts return readers to the primary brand page instead of trying to replace it.

Start a sister-site check

  1. Search the brand directory. Open the named casino’s primary sister-site page.
  2. Identify the operator. Record the company or licence-holder name shown in the relationship summary.
  3. Open the network hub. Review the wider group and the other brands covered by SisterIndex.
  4. Compare sibling pages. Use the descriptive links to inspect two or three connected brands.
  5. Keep similarity separate. A casino with comparable games or design is not automatically a sister site.

For more detail, read casino brand versus operator, how to find casino sister sites by operator and whether casino sister sites share accounts.