kwiff sister sites: all 2 casinos & betting sites
As of : kwiff (private, owners not identified; UK) owns 2 casino and betting brands in our data. The best known are kwiff and SlotsKing. Its sites are licensed by UKGC. No fines and regulator actions on record.
UK sportsbook and casino app known for random odds boosts. Its UK licence is held by Eaton Gate Gaming Limited (London).
| Ownership | private (owners not identified) |
|---|---|
| Headquarters | UK |
| Casino and betting brands | 2 casino and betting brands · 2 websites in total |
| Operating companies | 2 |
| Fines and regulator actions | 0 |
| Last checked | 15 Oct 2026 |
All kwiff sister sites
One row per brand: a brand with several country websites is one row. Own brands first (most websites first), then white-label sites run for partner brands, then closed brands.
Licensed company: Eaton Gate Gaming Limited (UK). Licences: UKGC account 44448
| Brand | Website | Product | Markets | Licences | Relation | Status | Same owner? |
|---|---|---|---|---|---|---|---|
| kwiff | kwiff.com | Sports betting, Casino | UK | UKGC | own brand | active | — |
| SlotsKing | slotsking.com | Casino | UK | UKGC | own brand | active | — |
Self-exclusion across kwiff sister sites
- GamStop covers all 2 kwiff brands licensed in Great Britain (UKGC licence).
A national scheme covers every site licensed in that country, whoever owns it. Closing your account at one site is not a self-exclusion from its sister sites.
Does self-exclusion cover sister sites? The national schemes, country by country →
Other companies in the group
| Company | Where | Licences |
|---|---|---|
| Kwiff Limited | seat not confirmed on the register | Ireland — GRAI (GRAI-1125-RB-26-0001) |
Questions and answers
What are the sister sites of kwiff?
The sister sites of kwiff are the 2 casino and betting brands it owns: kwiff, SlotsKing. The full list is on this page.
How many casinos does kwiff own?
kwiff owns 2 casino and betting brands in our data. A brand with several country websites counts once.
Does self-exclusion at one kwiff site cover the others?
Only through a national scheme. GamStop covers all 2 kwiff brands licensed in Great Britain (UKGC licence).
Has kwiff been fined?
We have no fines and regulator actions on record for kwiff.
Who owns kwiff?
kwiff is the top company of its group in our data; we have no parent company on record.
