Sister Sites

What Are Casino Sister Sites?

Sister sites are casinos owned and operated by the same parent company. Each brand keeps its own name, welcome bonus and lobby, but the licence, cashier and support desk usually sit at group level — which is why two casinos from the same family so often feel familiar the moment you land on them.

Our directory maps those families. Pick a brand below to see who owns it, which other casinos share the same parent, and how the licences line up.

How We Verify a Family

Every entry on this page is built from public records: the operator name and licence listed in the site footer, Companies House filings, and — for offshore brands — the licensing authority’s public register. When two casinos share an operator, a UKGC licence number, or a documented parent operator (say, a Curaçao-registered licence holder like Ryker B.V.), we treat them as confirmed sister sites. Anything short of that stays flagged as “under review” until we can verify it.

A UKGC licence is the single most useful signal a UK player can check. It ties the brand to a UK-registered company, mandates GAMSTOP integration, and provides a route to ADR if a dispute ever escalates. Brands operating under offshore-only licences follow different rules — and even within one operator group, individual brands can hold different licences from different jurisdictions, so our profiles map each brand’s registration separately rather than assuming the family shares one.

Featured Networks in the Directory

A few of the operator families most searched on Alterplay right now:

• Skill On Net casinos — the operator behind PlayOJO and a long roster of UKGC-licensed brands. One of the larger networks active in the UK market, with a shared platform stack across all of its casino sites.
• Santeda International B.V. — a Curaçao-registered operator whose brand family includes Rolletto sister sites, Velobet sister sites, DonBet sister sites, Goldenbet sister sites, MyStake and Cosmobet. Each brand keeps its own lobby and welcome offer, but they share cashier, KYC and platform infrastructure. Worth noting for UK visitors: several Santeda brands — Velobet among them — do not accept UK players, and licence details vary across the family (some Curaçao, some Anjouan).

Each network page lists every confirmed sibling we have verified, the licence they operate under, and the payment methods and software providers they have in common.

Why It Pays to Check Before You Sign Up

Two reasons. First, welcome bonuses: most operators cap their new-player offer at one per household across the whole family, so knowing which brands share a parent tells you where to claim value first. Second, trust: if a casino you have never heard of turns out to be a sibling of a UKGC-licensed brand you already use, that is a much stronger safety signal than any homepage design can give you. Equally, if a brand’s siblings are all offshore or all restrict UK players, that is worth knowing before you deposit.