William Hill Sister Sites & Alternatives 2026
We mapped every casino run by WHG (International) Ltd – the company behind William Hill – so you can see which William Hill sister sites share the same licence, software and payout standards, and which alternatives are genuinely worth switching to in 2026.
Quick verdict
William Hill has 3 confirmed sister sites under the WHG (International) Ltd network. Our current top alternative is Mr Green (100% up to GBP 100 + 200 spins), rated 4.4/5 in our tests.
William Hill Sister Sites at a Glance
| Sister Site | Our Rating | Welcome Offer | Min Deposit | Payout Speed | Visit |
|---|---|---|---|---|---|
| Mr Green | 4.4/5 | 100% up to GBP 100 + 200 spins | £10 | 1-3 days | Visit |
| William Hill Vegas | 4.3/5 | Get 50 free spins for GBP 10 | £10 | 1-3 days | Visit |
| William Hill Bingo | 4.1/5 | Spend GBP 10 get GBP 40 bingo bonus | £10 | 1-3 days | Visit |
The Best William Hill Alternatives, Reviewed
Mr GreenEditor’s Pick
William Hill Vegas
William Hill Bingo
Why These Are William Hill Sister Sites
Two casinos are “sisters” when they sit under the same licensed operator. William Hill and the brands above all trade under WHG (International) Ltd, which means they typically share a UK Gambling Commission licence holder, the same KYC and withdrawal processes, overlapping payment methods and frequently the same back-end games platform. That shared DNA is exactly why players who like William Hill tend to feel at home on these alternatives.
Safety, Licensing & Fair Play
| Sister Site | Operator Network | Licence | Established |
|---|---|---|---|
| Mr Green | WHG (International) Ltd | UK Gambling Commission | – |
| William Hill Vegas | WHG (International) Ltd | UK Gambling Commission | – |
| William Hill Bingo | WHG (International) Ltd | UK Gambling Commission | – |
Every brand we list must hold a valid UK Gambling Commission licence and be registered with GAMSTOP self-exclusion. We re-check licence status before each update. Gambling should be fun – set limits and never chase losses. 18+ · BeGambleAware.org.
Thinking of Switching From William Hill?
If you are moving to a William Hill alternative, do it the safe way: (1) withdraw any balance and clear pending wagering at William Hill first; (2) pick a sister site above and complete its KYC verification before depositing; (3) read the new welcome-offer terms – wagering and game weighting differ even within the same network; and (4) keep your deposit limits consistent across accounts so a fresh sign-up does not reset your own safer-gambling controls.
Frequently Asked Questions
What are William Hill sister sites?
William Hill sister sites are other online casinos owned and operated by WHG (International) Ltd, the same company that runs William Hill. They share a licence holder and usually the same payments, support and games platform.
Who owns William Hill?
William Hill is operated by WHG (International) Ltd, which also runs the sister brands listed on this page under the same UK Gambling Commission licensing group.
Can I claim a welcome bonus at every William Hill sister site?
Usually not. Welcome offers are typically limited to one per person per operator network, so claiming at William Hill can make you ineligible for the same offer at its sisters. Always read each site terms.
Are William Hill sister sites safe and UK licensed?
Yes – every sister site we list must hold a valid UKGC licence and be GAMSTOP-registered. We re-verify licensing before each update.
Which William Hill sister site is best in 2026?
Our current top-rated alternative is Mr Green, based on bonus value, payout speed and game range in our latest tests.