About Us
Non Gamstop Casinos is an independent research and comparison site covering new casinos not on GamStop for readers in Great Britain. We do not run a casino, take deposits or accept bets. We read terms and conditions, check licensing claims, compare bonus mechanics and set out what a site actually asks of you before it pays you anything.
This page explains who is behind the site, how we assess operators, how we make money and where our information stops being certain. If you came here wondering whether to trust the rankings on our main non GamStop casino list, this is the page that answers it.
Why we focus on newer sites outside GamStop
GamStop is the free self-exclusion scheme that every operator licensed by the UK Gambling Commission must integrate. Registering blocks your access to all UKGC-licensed gambling sites for the period you choose — six months, one year or five years — and you cannot lift it early.
Casinos described as "not on GamStop" are not connected to that scheme because they are not licensed by the UK Gambling Commission. They typically hold an overseas licence, most often from Curaçao, and accept customers from Great Britain without being authorised to serve them under British law. Accepting British customers and being regulated to serve them are two different things, and the difference decides what happens if a withdrawal goes wrong.
We cover this market because people search for it and deserve accurate information rather than advertising. If you are currently self-excluded, the honest answer is that gambling elsewhere works against the decision you made. Our responsible gambling page sets out the support available, including GamCare's National Gambling Helpline on 0808 8020 133, free and open 24 hours a day.
How we assess an operator
Ratings on this site are editorial. They are our own judgement, not customer-review scores, and they are not the result of us depositing or playing. Nobody on the team gambles on the sites we cover. Everything we publish comes from reading published terms, checking licence claims against the issuing registers where those registers are public, and comparing offers against each other.
- Licensing and ownership — which regulator is named in the site footer, whether the licence number resolves, and which company is stated as the operator.
- Bonus terms, not bonus headlines — wagering requirements, which games contribute and at what percentage, maximum bet while a bonus is active, expiry windows and any cap on what you can withdraw from bonus winnings.
- Payments — whether GBP accounts are offered, which debit card, bank transfer, e-wallet and cryptocurrency options are listed, and what fees or conversion costs are disclosed.
- Withdrawal conditions — stated processing times, daily, weekly and monthly limits, and the KYC and source-of-funds documentation the terms allow the operator to demand.
- Games and providers — the balance of slots, live dealer tables and jackpot titles, which studios supply them, and whether RTP information is published.
- Support and complaints — contact channels, stated hours, and what the terms say about escalating a dispute.
Where a claim cannot be verified, we say so rather than repeating operator marketing as fact. Time-sensitive findings carry a date; this page was last fact-checked on 23 September 2026.
How the site is funded
Non Gamstop Casinos earns commission when a reader follows a link to an operator and opens an account. That is how the research is paid for. Commercial relationships do not buy rank, do not raise an editorial rating and do not stop us publishing a drawback. Every entry on our lists carries at least one limitation, including the highest-rated one.
What a headline bonus actually costs you
The largest offers in this market are percentage matches with large ceilings, and the ceiling is almost never reachable on a normal deposit. Three from our current list, with the conditions that decide whether they are worth taking:
Betmica — rated 10.0
Betmica sits top of our list because its advertised package is the most generous structure we have reviewed in this segment: 570% up to £5,700 plus 270 free spins for new accounts, quoted in pounds, which matters if you want to avoid conversion charges on a GBP debit card.
What to check before claiming: a 570% match means the bonus balance dwarfs your deposit, and wagering is normally calculated on bonus plus deposit. Free spins usually carry their own separate wagering and a cap on winnings. Verify the maximum bet permitted while the bonus is live — exceeding it is the most common reason a balance is voided.
Limitation: Betmica is not UK Gambling Commission licensed, so there is no route to the Gambling Commission or a UKGC-approved ADR body if a dispute stalls. The top rating reflects the offer and the published terms, not a safety guarantee.
Kikibet — rated 9.8
Kikibet is here for the combination of a sterling-denominated headline — 350% up to £5,555 and 300 free spins — with a lower match percentage than the outliers. A smaller multiplier generally means a smaller wagering burden in cash terms, which makes the offer more realistic to clear on a modest deposit.
Limitation: 300 spins is a large tranche, and spin winnings are frequently capped and time-limited. If the spins expire in tranches over several days, the practical value is lower than the headline number suggests.
Betninja — rated 9.8
Betninja takes a different approach: a flat £1,000 bonus and 100 free spins for all new players rather than a percentage stack. Flat-cash offers are easier to model — you know the maximum figure without calculating a match, and the terms are usually shorter.
Limitation: "all new players" still means the standard eligibility rules apply, including minimum deposit, one account per household and excluded payment methods on some sites. Confirm whether the £1,000 is a single bonus or spread across several deposits before assuming it applies to your first.
The rest of the list at a glance
| Casino | Headline welcome offer | Currency quoted | Editorial rating |
|---|---|---|---|
| WinnerIsland | Up to €1,000 + 100 free spins | EUR | 9.8 |
| Zombillion | 250% up to £4,000 + 200 free spins | GBP | 9.8 |
| Smash Casino | 600% up to €10,000 slots package | EUR | 9.6 |
| Nightluck | 805% up to €6,400 + 280 free spins | EUR | 9.6 |
| CoinPoker | 150% up to $2,000 | USD | 9.6 |
| Rivo | 1000% up to €10,000 + 25% cashback | EUR | 9.6 |
| Daytonaspin | 255% up to £4,500 + 255 free spins | GBP | 9.4 |
Where an offer is quoted in euros or dollars, a British customer either holds a foreign-currency balance or pays conversion somewhere — at the card issuer, the e-wallet or the casino. Factor that in before comparing a €10,000 ceiling with a £4,000 one.
Money in, money out
Taking part costs whatever the site sets as its minimum deposit, and that minimum is also usually the qualifying amount for a welcome bonus — a deposit below it earns nothing. Beyond the deposit, the real cost sits in the conditions.
- Debit cards — widely accepted. UK-issued credit cards cannot be used for gambling under UKGC rules, and many overseas sites decline them as well.
- Bank transfers — usually available for larger sums, slower to clear, and the method most likely to trigger extra verification.
- E-wallets — common and generally the fastest payout route. PayPal availability should never be assumed outside the UK-licensed market; check the cashier before depositing.
- Cryptocurrency — offered by many offshore operators. Fast, but you carry the exchange-rate risk and the network fee.
Withdrawals are where terms bite. Expect identity verification (KYC) before your first payout: photo ID, proof of address and often proof of the payment method. Larger or unusual wins can trigger source-of-funds checks, which means bank statements or payslips. Daily, weekly and monthly withdrawal caps are normal, and a large win can be paid out in instalments over weeks. Advertised processing times are the operator's own claim, not a tested result, and the clock usually starts after verification completes, not when you press the button.
What these sites offer beyond the welcome package
The game libraries follow a familiar shape: slots make up the bulk, from low-volatility titles to high-variance releases and networked progressive jackpots; live dealer studios run blackjack, roulette and baccarat with real croupiers streamed in real time; RNG table games cover the same titles at lower stakes. Published RTP figures are worth checking, since some studios ship multiple RTP versions of the same slot and the operator chooses which to run. Mobile play is generally browser-based rather than app-based.
Most of these operators also run a sportsbook alongside the casino, often on a shared wallet, so one balance covers both. That side of the business works differently: pre-match and in-play markets, accumulators, bet builders and cash-out, plus esports. Sports free bets usually carry minimum qualifying odds — 1.80 or 2.00 in decimal terms is typical — and the stake is not returned with the winnings. CoinPoker's poker-led model is another variation on the same theme: the headline product sits beside other verticals with their own rules.
Who may take part, and what applies in Great Britain
You must be 18 or over. Gambling advertising, licensing and consumer protection in Great Britain are the responsibility of the Gambling Commission; Northern Ireland has its own separate gambling legislation, so "UK" and "Great Britain" are not interchangeable here. Sites outside the UKGC framework are not bound by British rules on affordability checks, deposit limits, bonus restrictions or the GamStop scheme, and they are outside the Commission's complaints and ADR system. Practically, that means your recourse in a dispute runs through the operator and then the overseas regulator named on its licence — a slower and less predictable route.
Whatever the licence, no casino is completely safe, no withdrawal is guaranteed, and gambling is not a way to make money or fix a financial problem. Setting deposit and loss limits, using blocking software and knowing where GamCare is are sensible steps regardless of which site you use.
Questions readers ask about this site
Who writes the reviews?
Editorial work on Non Gamstop Casinos is published under Elliot Painswick, who researches operator terms and maintains the comparison lists. Pages carry a fact-check date so you can see how current the findings are.
Do you test the casinos yourselves?
No. We do not open accounts, deposit or play. Our assessments come from published terms, licence checks and offer comparison. Any speed or payout figure you see is the operator's own claim, labelled as such.
Can a casino pay to be ranked higher?
No. We earn affiliate commission from some links, but position and rating are set editorially and operators have no say in either.
Will you help me recover a withheld withdrawal?
We cannot intervene with an operator or act on your behalf. We can explain what the terms typically allow and where the complaints route leads for an overseas-licensed site. Tell us about a problem through the contact page — patterns in reader reports feed into our assessments.
Why do offers on the site sometimes differ from the casino's own page?
Operators change promotions without notice, and offers vary by country. The casino's own terms always take precedence over anything published here. If you spot a discrepancy, flagging it helps us correct the page.
Using this site well
Start with the criterion that matters most to you rather than the biggest number. If you want to keep everything in sterling, the GBP-denominated offers are the shorter list. If you care about clearing a bonus rather than maximising its headline, a lower match percentage is usually easier work. If speed of payout is the priority, the withdrawal limits and verification requirements tell you more than the welcome package does.
Read our full comparison, read the operator's terms in the original, and treat the deposit as money you are prepared to lose. Our terms of use set out the basis on which this information is published.