Admiral Casino sister sites

Admiral Casino stands alone. Licensed by the Gambling Commission since Nov 2014, Greentube Alderney Limited operates it as its only UK-licensed site, so there are zero sister sites.

Last reviewed 3 Nov 2026
Top offers for Admiral Casino players
Mr Vegas
100% up to £200 + 100 Free Spins
Claim offer
Terms apply
New customers only. Min deposit £20; 35× wagering on bonus; Free Spins on selected slots. 18+. Full T&Cs apply. BeGambleAware.org.
All British Casino
100% up to £100 Welcome Bonus
Claim offer
Terms apply
New customers only. Min deposit £20; 45× wagering on bonus funds before withdrawal. 18+. Full T&Cs apply. BeGambleAware.org.
Duelz
100% up to £100 + 100 Free Spins
Claim offer
Terms apply
New customers only. Min deposit £10; 30× wagering; spins on selected slots. 18+. Full T&Cs apply. BeGambleAware.org.
Midnite
Wager £20, Get 100 Free Spins
Claim offer
Terms apply
New customers only. Free spins are valued at 10p and valid for 7 days. Further T&Cs apply.

Closest alternatives

Most similar first
UK-licensed sites on other licences, closest to Admiral Casino first: the same type of games and a similar SisterScore.
80/100

SisterScore: our 0–100 rating from thousands of player reviews on trusted review sites and official app stores. Unhappy players post more often, so we adjust for that. Poor is under 40, mixed 40–59, good 60–74, great 75 and up. Scores marked est. are estimates for newer sites: their own reviews so far, blended with the scores of their sister sites (same company, same payments and support). How SisterScore works

Spin GenieCasino
80/100
Deposit £10, get 120 free spins on Book of Dead
Terms apply
Automatically credited on 1st deposit (min £10). Game: Book of Dead, Spin Value: £0.1. WR 35x free spin winnings (Slots only). Max bet: 10% (min £0.10) of the free spins winnings on £1. Unused spins expire in 7 days. T&Cs apply.
Read reviewVisit
SlingoCasino
78/100
Deposit £10, get 133 free spins on Big Bass Bonanza
Terms apply
Automatically credited on 1st Deposit (min £10). Game: Big Bass Bonanza, Spin Value £0.1. W<70x free spins winnings (slots only). Max bet: 10% (min £0.1) of the Free spins winnings/£5. Unused expires. Bonus Policy applies.
Read reviewVisit
Smooth SpinsCasino
76/100
Play £10 on Bee Keeper, get 200 free spins
Terms apply
18+ new customers; opt in, deposit and play £10 on Bee Keeper within 7 days; 200 free spins on Bee Keeper; rewards expire after 7 days (T&Cs apply).
Visit Smooth Spins
Prime CasinoCasino
72/100
Deposit £10, get 100% up to £25 + 50 free spins
Terms apply
Automatically credited upon 1st Deposit (min £10). Max Bonus £25. Game: Big Bass Bonanza, Spin Value: £0.1. WIR 10x free spin winnings (only Slots count). WIR 10x free spin winnings (only Slots count). Max bet is 10% (min £0.10) of the free spin winnings and bonus or £5 (lowest applied). Bonus Policy applies.
Read reviewVisit
SlotbossCasino
76/100
50 wager-free spins on Big Bass Splash
Terms apply
Wager 1x on eligible casino games within 7 days; 3 day expiry; wagering contributions vary; 18+; T&Cs and exclusions apply.
Visit Slotboss
Moon GamesCasino
77/100
Deposit £10, get 30 free spins on 6 Tokens of Gold
Terms apply
New players only. Min dep £10. Each free spin value is 10p. Wins paid to bonus. 10x bonus wagering required. 5-day expiry. 18+ GambleAware. T&Cs Apply
Visit Moon Games
80/100
Admiral Casino reviewSisterScore, what players say and what we checked

Admiral Casino's trail

From the Gambling Commission register, checked Oct 2026.

Admiral Casino sister sites FAQ

Who owns Admiral Casino?

Admiral Casino is operated by Greentube Alderney Limited. You can find the company in the Gambling Commission register under account number 39050.

Does Admiral Casino have sister sites?

Not in the UK. The Gambling Commission register lists no other UK-licensed site from Greentube Alderney Limited. Spin Genie, Slingo, Smooth Spins and 3 more sit closest to it as alternatives.