Casino Sister Sites A–Z
Every casino family we've mapped. Each page names the company behind the casino, lists its genuine sister sites and shows the evidence for each link.
UK-licensed casinos
Casinos licensed by the UK Gambling Commission. Their sister sites share the same licence holder, so the same rules and complaint routes apply.
Casinos without a UK licence
Casinos licensed elsewhere, mostly in Curaçao. Each page says what a UK player gives up at a casino without a UK licence.
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Cosmobet Sister Sites
- Operator
- Santeda International B.V. (Curaçao, no. 151296)
- Licence
- Curaçao, OGL/2024/1798/1048
- Sister sites
- 4 (Velobet, Zizobet, Goldenbet, Rolletto)
Last checked 5–9 October 2026
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Donbet Sister Sites
- Operator
- GTW B.V. (Curaçao, no. 165433)
- Licence
- Curaçao, OGL/2024/250/0115
- Sister sites
- 2 (MyStake, Jurassino)
Last checked 5–7 October 2026
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MyStake Sister Sites
- Operator
- GTW B.V. (Curaçao, no. 165433)
- Licence
- Curaçao, OGL/2024/250/0115
- Sister sites
- 2 (Donbet, Jurassino)
Last checked 5–7 October 2026
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Rolletto Sister Sites
- Operator
- Santeda International B.V. (Curaçao, no. 151296)
- Licence
- Curaçao, OGL/2024/1798/1048
- Sister sites
- 4 (Cosmobet, Zizobet, Velobet, Goldenbet)
Last checked 5–8 October 2026
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Velobet Sister Sites
- Operator
- Santeda International B.V. (Curaçao, no. 151296)
- Licence
- Curaçao, OGL/2024/1798/1048
- Sister sites
- 4 (Cosmobet, Zizobet, Goldenbet, Rolletto)
Last checked 5–8 October 2026
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Zizobet Sister Sites
- Operator
- Santeda International B.V. (Curaçao, no. 151296)
- Licence
- Curaçao, OGL/2024/1798/1048
- Sister sites
- 4 (Velobet, Cosmobet, Rolletto, Goldenbet)
Last checked 5–9 October 2026
How to read a sister-site page
Each page starts with the company that holds the casino's licence, then lists every brand the same company runs. Five casinos are profiled in detail: genuine sister sites first, then, if a casino has fewer than five, clearly labelled alternatives with the same type of licence.
A sister-site link always rests on primary evidence, such as a regulator's record or the casino's own terms. A similar design or the same games is never enough. How we link casinos explains the method, and every page shows the date we last checked it.
Missing a casino
We add casinos in order of reader demand. If you'd like us to map a casino's family, tell us.