kwiff is the sportsbook of Eaton Gate Gaming Limited of Derby, operated under UK Gambling Commission account 44448 by its Malta subsidiary Kwiff Limited as named agent on an umbrella licence, and is the only one of the group's three brands that is also a registered trading name on that account.
The short answer
There are 2 kwiff sister sites: GRP Casino and SlotsKing. All 2 of these kwiff Casino sister sites, and kwiff itself, are operated by Eaton Gate Gaming Limited on a single UK Gambling Commission account, 44448.
Compare all 2Pros
- The supercharge is a real differentiator and winnings from it carry no wagering requirement
- States plainly that an asterisked price is the ceiling, not what you will get
- Links its own Gambling Commission register entry from the homepage
Cons
- The group's terms print the licence account number as "4448" instead of 44448
- The terms footer says Kwiff Limited is the licensed party; clause B.1 says Eaton Gate Gaming is
- kwiff.com/terms-and-conditions/ is a soft 404 that silently returns the homepage
Screenshot coverage on this page
No screenshot. kwiff's sportsbook was captured twice through a GB exit on 11 October 2026 and both came back mid-load: the search bar and the sports rail rendered, the rest of the page was still two spinning loaders. A picture of a loading screen tells a reader nothing, so none is published. The text on this page was read from the same pages, which do resolve. Everything described below was read from kwiff's own English pages; we would rather show you no picture than the wrong casino's.
kwiff sister sites — the full network
Eaton Gate Gaming Limited (UK Gambling Commission account 44448) runs 3 brands, kwiff included, and every one is reviewed here.
| Sister site | Welcome offer | Trust | |
|---|---|---|---|
 | Wager £20 in a day for 40 free spins at 10p, up to 200 spinsmin Not published; the qualifying action is £20 staked on slots in a day | 61 | Review |
 | Wager £20 in a day for 40 free spins at 10p, up to 200 spinsmin Not published; the qualifying action is £20 staked on slots in a day | 61 | Review |
GRP CasinoBest for players who want a casino with a sportsbook tab attached
Publishes a welcome offer where SlotsKing publishes none, claims 4,000-plus games, and is the only casino of the two with a Sports item in its navigation. Its lobby leans on live dealer and crash; its tournament runs a £3,000 prize pool alongside a £3,000 cash drop.
- Welcome offer
- Wager £20 in a day for 40 free spins at 10p, up to 200 spins
- Min deposit
- Not published; the qualifying action is £20 staked on slots in a day
- Wagering
- Not published as a multiplier — the reward is free spins, with winnings capped at £250
SlotsKingBest for slot players who want the biggest lobby of the three
The deepest catalogue on the licence by a distance — 100 picks, 99 live tables, 90 table games and 88 progressive jackpots — with named supplier rails for Evolution, Pragmatic Play, Games Global, Inspired and Relax Gaming, and a dedicated Big Bass rail. Its welcome offer is its fellow casino's word for word — same £20 stake, same 40 spins a day, same 200 cap — differing only in which Big Bass slot the spins are tied to.
- Welcome offer
- Wager £20 in a day for 40 free spins at 10p, up to 200 spins
- Min deposit
- Not published; the qualifying action is £20 staked on slots in a day
- Wagering
- Not published as a multiplier — the reward is free spins, with winnings capped at £250
How we verified the kwiff sister sites
3 of 5 signals matched, for a fingerprint of 65/100 (probable). How the signals are weighted.
Sister-site verification
How we know kwiff shares an operator with these brands
Shared licence numberweight 40%
kwiff runs on a domain registered to UK Gambling Commission account 44448, held by Eaton Gate Gaming Limited of Derby and operated by Kwiff Limited of Malta as its named agent. Two other brands share it: GRP Casino and SlotsKing. All 7 domains on the account are Active; none is a White Label.
SourceSame platform fingerprintweight 15%
All four web domains on this licence answer a plain HTTP request with the same 7865-byte single-page-app shell, MD5 a20a9588556d0c1052d4798e6b51c6ac, carrying no title and no text. The brands are configuration on top of one deployment.
SourceShared support infrastructureweight 10%
The robots.txt served by kwiff.com, grpcasino.com and slotsking.com is byte-identical (MD5 72f55d2e5d2b6a8ae1655d8e4371cf3b) and names the same five sitemaps on all three, covering kwiff.com, casino.kwiff.com, betkwiff.com, casino.betkwiff.com and grpcasino.com. SlotsKing's copy therefore points crawlers at its siblings and lists no sitemap of its own.
SourceIdentical T&C clausesweight 25%not established
Not matched for this brand in the usual way. kwiff's terms are the group's terms, on corporate.kwiff.com, and the two casinos' own terms pages could not be loaded from a GB connection at all — so no sentence-level comparison between the three was possible. What is established is that the casinos' footers reproduce the licence statement from those terms word for word.
SourceShared payment processorweight 10%not established
Not established. None of the three brands publishes a cashier, a deposit minimum, a withdrawal minimum or a fee anywhere reachable without an account, and the two casinos' terms pages did not load. Nothing is claimed about shared payment processing.
Source
Can you claim a bonus at every kwiff Casino sister site?
Eaton Gate Gaming Limited publishes no cross-brand welcome rule, so no row below is confirmed by the operator. How these are assessed.
| Sister site | Separate welcome? |
|---|---|
| Likely |
| Likely |
Same company, different deal
Where a sister site beats kwiff
SlotsKing — Catalogue size
SlotsKing publishes rail counts running to 100 picks, 99 live tables and 88 progressive jackpots. kwiff's casino sits on a separate subdomain and publishes no catalogue total.
GRP Casino — Casino welcome offer
GRP Casino advertises a casino welcome on its homepage. kwiff's advertised welcome is a sports free-bet offer; its casino supercharge is described but not priced.
kwiff vs its sister sites, head to head
| Matchup | Welcome offer | Trust |
|---|---|---|
| Bet £10 at odds of 2.0+, get 4 × £10 free bets | 64 |
| Wager £20 in a day for 40 free spins at 10p, up to 200 spins | 61 |
| Wager £20 in a day for 40 free spins at 10p, up to 200 spins | 61 |
kwiff vs GRP Casino
Publishes a welcome offer where SlotsKing publishes none, claims 4,000-plus games, and is the only casino of the two with a Sports item in its navigation. Its lobby leans on live dealer and crash; its tournament runs a £3,000 prize pool alongside a £3,000 cash drop. Trust 61 against 64. Similarity 88%.
kwiff vs SlotsKing
The deepest catalogue on the licence by a distance — 100 picks, 99 live tables, 90 table games and 88 progressive jackpots — with named supplier rails for Evolution, Pragmatic Play, Games Global, Inspired and Relax Gaming, and a dedicated Big Bass rail. Its welcome offer is its fellow casino's word for word — same £20 stake, same 40 spins a day, same 200 cap — differing only in which Big Bass slot the spins are tied to. Trust 61 against 64. Similarity 88%.
Sites like kwiff: kwiff alternatives inside and outside the group
kwiff sister casinos
GRP Casino and SlotsKing, all run by Eaton Gate Gaming Limited.
Platforms like kwiff under a different operator
- Ivy Casino — 25% deposit match up to £50 on a £20 first deposit. Run by Betable Limited, trust 65/100.
- PlayOJO — No deposit-match welcome offer — a free daily game instead. Run by Skill On Net Limited, trust 77/100.
- No Bonus Casino — No welcome bonus. A lifetime 10% cashback instead, with no wagering. Run by L & L Europe Limited, trust 83/100.
Which of the kwiff sister sites should you pick?
- If you want the closest thing to kwiff: GRP Casino (88% similarity). Publishes a welcome offer where SlotsKing publishes none, claims 4,000-plus games, and is the only casino of the two with a Sports item in its navigation. Its lobby leans on live dealer and crash; its tournament runs a £3,000 prize pool alongside a £3,000 cash drop.
- If you are choosing on trust rather than familiarity: GRP Casino scores highest of the kwiff sister sites at 61/100, though kwiff itself still scores 64.
About kwiff
kwiff sells one idea: any bet you place might get randomly "supercharged" to bigger odds, on any market, in any sport. It is a genuine differentiator and the site is built around it — but the most important sentence about it is in the small print at the bottom of the homepage. "Odds with an asterisk are the highest supercharged bet on that market. You won't receive those odds but you may receive a different random supercharge." The headline number next to the asterisk is therefore the ceiling, not the offer, and the site says so plainly rather than hiding it. Read that line before you judge the prices.
The welcome is a sports free-bet offer and it is specific. Place a £10 real-money bet at odds of 2.0 or better within five days of depositing, and after that bet settles you get four £10 free bets: one single, two accumulators and one bet builder needing at least three selections each. Cash out, each-way bets, multiples, ineligible markets and odds boosts are all excluded from qualifying, and the free bets expire seven days after they land. Set against that, clause A.20 of the terms says winnings from a supercharged bet carry no wagering requirement — an unusually clean term, and one most operators would bury.
The ownership here takes a form that appears nowhere else on this site. UK Gambling Commission account 44448 is held by Eaton Gate Gaming Limited, a company registered in England and Wales as 9526212 with its office at Prospect House, 1 Prospect Place, Millennium Way, Pride Park, Derby DE24 8HG. But Eaton Gate does not run the sites. Clause B.1 of the group's terms says it is "authorised to provide facilities for gambling by the Gambling Commission of Great Britain via Kwiff Limited as its named agent by the umbrella licence". Kwiff Limited is a Malta company, C77623, wholly owned by Eaton Gate. So the licence sits in Derby, the operating sits in Msida, and the regulator's register names only the Derby company. That is not a white label — the brands are owned by the group, not rented to it — and it is not a straightforward licensee either.
There is a transparency oddity worth recording, because it cuts both ways. kwiff's homepage FAQ answers "Is kwiff a licensed and safe UK betting site?" by linking directly to its own record on the Gambling Commission's public register. Hardly any operator does that; most name a number and leave you to find it. Yet the same group's terms print that account number as "4448", a digit short, and the footer of those terms says Kwiff Limited is the licensed party when clause B.1 of the same document says Eaton Gate Gaming is and Kwiff is merely its agent. The brand's instinct on the website is better than its paperwork.
The terms are where this operator looks careless. The document is version 37, stamped "Last updated: 10/03/2025", and it was still live in October 2026 carrying six separate defects. It prints the Gambling Commission account number as "4448" when the account is 44448. Its footer says Kwiff Limited holds the British licence, which directly contradicts clause B.1 of the same document. It gives Kwiff Limited three different Malta addresses. It sends complainants to the European Commission's Online Dispute Resolution platform, which was discontinued on 20 July 2025 and stopped taking new complaints in March that year. Its copyright line reads 2015 to 2021. And it introduces an Isle of Man company, Worldwide Gaming Limited, without once saying what that company does. None of these is fatal on its own; together they are the clearest signal on this licence of how closely the paperwork is maintained.
The three brands run on one deployment, and two measurements show it without needing to read a word of marketing copy. First, all four web domains answer a plain request with the same 7865-byte app shell — MD5 a20a9588556d0c1052d4798e6b51c6ac — carrying no title and no text at all; what you get depends entirely on the JavaScript that loads next. Second, the robots.txt files are byte-identical across the estate (MD5 72f55d2e5d2b6a8ae1655d8e4371cf3b) and all three name the same five sitemaps, covering kwiff.com, casino.kwiff.com, betkwiff.com, casino.betkwiff.com and grpcasino.com. SlotsKing's own robots.txt thus directs crawlers to its siblings' sitemaps and lists none of its own.
Two practical things the site does not tell you. The terms are not where the site says they are: kwiff.com/terms-and-conditions/ returns a page, with an ordinary 200 response, that is the homepage — every one of its thirty-seven substantial lines also appears on the homepage and not one is unique to it. The real terms sit on corporate.kwiff.com, linked from the footer, and that is the only copy we found. And an account left thirteen consecutive months without a transaction starts losing £5 a month until it is reactivated, closed, or empty, with an email warning at twelve months.
One practical note before anything else: all three sites are closed to anyone outside Great Britain. GRP Casino and SlotsKing redirect to a page reading "You seem to be in a location where our site is not available", SlotsKing adding "Do not use any VPN with our services". kwiff does something different — it moves the visitor to betkwiff.com, a domain that appears nowhere on account 44448 and carries no British licence. We have not opened it and make no claim about who runs it, but kwiff's own robots.txt lists betkwiff.com and casino.betkwiff.com among its sitemaps, so the two are at least administered together.
One absence is worth stating precisely, because it is easy to overstate. GAMSTOP is not named anywhere in the group's terms, nor on any of the three British homepages. The terms instead ask you to warrant that you are "not self-excluded from gambling with us or any national provider of self-exclusion", without naming the scheme, and the safer-gambling link goes to GambleAware. Every operator licensed for remote gambling in Great Britain has to be part of GAMSTOP, so this is a finding about what these pages tell you, not a claim that the operator is outside the scheme. It does mean a reader looking for the word will not find it.
kwiff welcome bonus in detail
Bet £10 at odds of 2.0+, get 4 × £10 free bets
- Minimum deposit
- Not published; the qualifying bet is £10
- Wagering
- None on the free bets themselves; winnings from supercharged bets carry no wagering requirement (clause A.20)
- Expiry
- Qualifying bet within 5 days of deposit; free bets expire 7 days after being credited
- Bet limits
- Not published
- Eligible games
- Sports. Cash out, each-way, multiples, ineligible markets and odds boosts do not qualify
- The four free bets are split by type: one single, two accumulators and one bet builder of at least three selections each. They are not interchangeable.
- Free bets are credited only after the qualifying bet settles, not when it is placed.
- New UK customers only. 18+. The offer is advertised on the GB homepage; the group's terms are on corporate.kwiff.com.
Customer support at kwiff
| Channel | Availability | Response time |
|---|---|---|
| Help centre | Self-service | Not applicable |
| Customer service team | Hours not published | Complaints answered within 8 weeks per clause K.1 |
Safety, licensing and responsible gambling
The only brand on this licence that links its own entry on the Gambling Commission register, straight from the homepage FAQ, and the only one that is also a registered trading name on account 44448. Held back sharply because the group's terms print that account number as "4448" and because the same document's footer claims Kwiff Limited holds the British licence when clause B.1 says Eaton Gate does.
- Deposit limits
- Self-exclusion
- Time-out
- Reality checks
- Links to GambleAware
How we scored kwiff
Trust score breakdown
64/100
Licensing & regulation25% weight
68/100
The only brand on this licence that links its own entry on the Gambling Commission register, straight from the homepage FAQ, and the only one that is also a registered trading name on account 44448. Held back sharply because the group's terms print that account number as "4448" and because the same document's footer claims Kwiff Limited holds the British licence when clause B.1 says Eaton Gate does. (3 sources)
Payouts20% weight
78/100
Withdrawals cleared in 5 to 15 minutes when our own team checked in August 2026 — a portfolio-level range, so this brand carries the range and not a timing of its own. Capped at 78 because speed was the only input recorded. No brand on this licence publishes a withdrawal time, minimum or fee anywhere reachable without a login, and the two casinos' terms pages could not be loaded at all. (1 source)
Bonus fairness20% weight
62/100
A £10 qualifying bet at 2.0 or better returns four £10 free bets, split one single, two accumulators and one bet builder of at least three selections each. The exclusions are long — cash out, each way, multiples, ineligible markets and odds boosts are all out — and the free bets expire in seven days. The genuinely good term is clause A.20: winnings from a supercharged bet carry no wagering requirement at all, which is rare and plainly stated. (1 source)
Responsible gambling10% weight
60/100
Deposit limits, time-outs and self-exclusion are reachable, and the safer-gambling link goes to GambleAware. Scored down because GAMSTOP is named nowhere on the site or in the terms, and because the dormant-account fee of £5 a month after thirteen months is the kind of term that costs an inactive player money quietly. (2 sources)
Games & providers10% weight
58/100
The sportsbook is the product: twenty-two sports with in-play, bet builder, cash out and odds boosts. The casino sits on a separate subdomain, casino.kwiff.com, and is described on the homepage only as "Casino Supercharge — potentially earn free spins and cash rewards". No catalogue total, no supplier list and no casino welcome price is published where a reader can reach it, so none is claimed here. (1 source)
Support10% weight
75/100
Live chat reached a person in 1 to 5 minutes when our own team checked in August 2026 — a portfolio-level range, not a per-brand measurement. Capped at 75 because response time was the only input recorded. The group's terms name eCOGRA as the dispute-resolution body and commit to answering complaints within 8 weeks, but they also route complainants to an EU platform that closed in July 2025, and no support hours are published on any of the three brands. (2 sources)
Complaint record5% weight
—
Not established, and scored zero to say so rather than estimated. The regulatory-actions record for account 44448 has not been read. Zero here means unmeasured, not clean. (1 source)
Weightings are fixed and published in full on our methodology page. Unscored dimensions have not been verified yet and count as zero.
What we verified
- TESTED
Every withdrawal the site's own team requested in August 2026 cleared within 5 to 15 minutes, recorded as one portfolio-level range rather than per-brand timings.
First-hand withdrawal testing by the SisterSitesHub team, August 2026 · checked 2026-08-18
- TESTED
Every brand the site's own team contacted in August 2026 put a person on live chat within 1 to 5 minutes, recorded as one portfolio-level range rather than per-brand times.
First-hand support testing by the SisterSitesHub team, August 2026 · checked 2026-08-18
- VERIFIED
Eaton Gate Gaming Limited holds UK Gambling Commission account 44448, licence 044448-R-323408-017. One licence number carries four activities: Gambling Software and real-event betting from 8 March 2016, Casino from 1 December 2016 and virtual-event betting from 2 February 2023. The account carries 7 domains, all 7 of them Active, with no White Label and no Inactive entry, and exactly 1 registered trading name.
UKGC public register, account 44448 · checked 2026-10-11
- VERIFIED
kwiff's homepage carries this note under "Important Information": "Odds with an asterisk are the highest supercharged bet on that market. You won't receive those odds but you may receive a different random supercharge, so the final odds in your bet slip might be even better than what you see now." The advertised supercharged price is therefore an upper bound rather than an offer, and the operator says so on the page rather than only in the terms.
kwiff GB homepage, Important Information block · checked 2026-10-11
- VERIFIED
The GB homepage states the welcome in full: "New UK customers. Place a £10 real money bet at min. 2.0 odds within 5 days of deposit. Get 4 x £10 Free Bets: 1 Single, 2 Accas & 1 Bet Builder (min. 3 selections each). Excludes cashout, E/W, Multis, Ineligible Markets & Odds Boosts. Credited after bet settlement. 7-day expiry." Separately, clause A.20 of the terms states that winnings obtained from supercharged bets are not subject to any wagering requirement.
kwiff GB homepage welcome terms, and terms clause A.20 · checked 2026-10-11
- VERIFIED
kwiff.com/terms-and-conditions/ returns HTTP 200 and renders the homepage, not the terms. Of the thirty-seven substantial lines of text on that page, every one also appears on kwiff.com itself and none is unique to it; the page title is the homepage title. The robots.txt disallows the path, and the footer link for terms points instead at corporate.kwiff.com/terms-conditions/, which is where the only readable copy of the terms lives.
Line-by-line comparison of kwiff.com/terms-and-conditions/ against kwiff.com, both rendered from a GB exit · checked 2026-10-11
- VERIFIED
Two of the seven domains registered against account 44448 are app-store listings rather than websites: the kwiff Sports Betting app on Apple's store and gaming.eatongate.com.kwiffapp on Google Play. The Google Play package name carries the licensee's own domain, eatongate.com, which neither of the casino brands uses anywhere.
UKGC public register, account 44448 — domain names · checked 2026-10-11
- VERIFIED
Clause B.1 of kwiff's terms states: "Eaton Gate Gaming Limited is authorised to provide facilities for gambling by the Gambling Commission of Great Britain via Kwiff Limited as its named agent by the umbrella licence issued account number 44448". The licence holder is a Derby company, registered in England and Wales as 9526212 at Prospect House, 1 Prospect Place, Millennium Way, Pride Park, Derby DE24 8HG. The operator is its wholly-owned Malta subsidiary, company C77623. No other operator reviewed on this site uses a named-agent arrangement, and the phrase "umbrella licence" appears in no other operator's terms we have read.
kwiff terms and conditions, clauses A.1 and B.1 (version 37) · checked 2026-10-11
- VERIFIED
UK Gambling Commission account 44448 carries 7 domains and every one of them is Active: no White Label, no Inactive. 2 of the 7 are app-store listings rather than websites, leaving 5 web domains across 3 brands. This is the exact inverse of Betable (account 23328), whose twelve domains include no Active entry at all and whose every live brand belongs to someone else.
UKGC public register, account 44448 — domain names · checked 2026-10-11
- VERIFIED
The register lists exactly one trading name against account 44448: "kwiff". GRP Casino and SlotsKing each trade under their own name, on a domain registered to this same account, and neither name appears on the account's trading-name list. Nothing about that is hidden — both casinos name the licensee in their footers — but a reader checking the register for "GRP Casino" or "SlotsKing" will not find either.
UKGC public register, account 44448 — trading names and domain names · checked 2026-10-11
- VERIFIED
One licence number, 044448-R-323408-017, carries four activities added over seven years: Gambling Software and General Betting Standard for real events on 8 March 2016, Casino on 1 December 2016, and General Betting Standard for virtual events on 2 February 2023. The betting permission came first and the casino nine months later, which is the shape of the estate: kwiff is a sportsbook with a casino attached, and the two casino brands came afterwards.
UKGC public register, account 44448 — licence activities and dates · checked 2026-10-11
- VERIFIED
kwiff.com, grpcasino.com and slotsking.com serve a byte-identical robots.txt (MD5 72f55d2e5d2b6a8ae1655d8e4371cf3b), and it names the same five sitemaps on all three: kwiff.com, casino.kwiff.com, betkwiff.com, casino.betkwiff.com and grpcasino.com. SlotsKing's own robots.txt therefore sends crawlers to kwiff's and GRP Casino's sitemaps, and lists no sitemap of its own. One robots.txt has been deployed across the estate without being varied per brand — a configuration artefact no marketing page would reveal.
robots.txt of all three brands, fetched and hashed · checked 2026-10-11
- VERIFIED
All four web domains — kwiff.com, kwiffcasino.com, grpcasino.com and slotsking.com — answer a plain HTTP request with the same 7865-byte single-page-app shell, MD5 a20a9588556d0c1052d4798e6b51c6ac, carrying no title and no text. The brands differ only in what their JavaScript then loads. Two independent counts survive into the rendered pages: GRP Casino and SlotsKing both show "New Games — See all 37" and "Most Played — See all 10", captured minutes apart.
Raw HTTP responses from four domains, hashed; GB renders of both casinos compared · checked 2026-10-11
- VERIFIED
GRP Casino and SlotsKing print the same operator statement word for word: "Operated by Kwiff Limited, Level 2, Domestica Building, Triq Il-Wied Ta' L-Msida, Msida, MSD9023, Malta. Kwiff Ltd is a wholly-owned subsidiary of Eaton Gate Gaming Limited. Eaton Gate Gaming Limited is licensed and regulated in Great Britain by the Gambling Commission under account number 44448. This licence names Kwiff Ltd as agent and authorises Kwiff Ltd to provide gambling facilities, by way of umbrella licence held by its parent company." Both then close with a copyright line naming Spryme Limited, a company neither footer explains.
GB renders of grpcasino.com and slotsking.com footers · checked 2026-10-11
- VERIFIED
All three brands reject a non-GB connection. GRP Casino and SlotsKing redirect to /location_rejected/ and print "You seem to be in a location where our site is not available", SlotsKing adding "Do not use any VPN with our services". kwiff.com does not show a rejection page at all: it redirects the visitor to betkwiff.com, a domain that does not appear anywhere on account 44448. Everything read for these reviews was therefore fetched through a GB exit, and each page was checked for account 44448, GBP pricing and the operator statement before it was used.
All three brands loaded from a non-GB connection, then again through a GB exit · checked 2026-10-11
- VERIFIED
kwiff's terms, version 37, stamped "Last updated: 10/03/2025" and live on 11 October 2026, contain six separate defects. The Commission account number is printed as "4448" rather than 44448. The footer says Kwiff Limited holds the GB licence while clause B.1 says Eaton Gate holds it and Kwiff is only its agent. Kwiff Limited is given three different Malta addresses in the one document. Clause K.3 points complainants at the European Commission's Online Dispute Resolution platform, which closed on 20 July 2025. The copyright line reads "© 2015 – 2021". And the footer introduces an Isle of Man company, Worldwide Gaming Limited, without explaining its role.
kwiff terms and conditions, version 37 — full text read 11 October 2026 · checked 2026-10-11
- VERIFIED
The terms name eCOGRA as the alternative dispute resolution body (clause K.2) and commit to resolving complaints within 8 weeks of receiving the information needed (K.1), under the law of England and Wales. After thirteen consecutive months without a transaction, a dormant-account fee of £5 a month is deducted until the account is reactivated, closed, or the balance reaches zero. Notice is sent by email after twelve months. A separate Irish Revenue licence, reference 1015903, is also declared.
kwiff terms and conditions, clauses D.12, D.13, K.1–K.4 · checked 2026-10-11
- OBSERVED
GAMSTOP is not named once in kwiff's terms, nor anywhere on the GB homepages of kwiff, GRP Casino or SlotsKing. The terms ask the player to warrant that they are "not self-excluded from gambling with us or any national provider of self-exclusion" without saying which scheme that is, and kwiff's safer-gambling link points to GambleAware. Every GB-licensed remote operator must participate in GAMSTOP; this is a finding about what the published pages say, not about whether the operator participates.
Full-text search for GAMSTOP across kwiff's terms and the three GB homepages — zero occurrences · checked 2026-10-11
- OBSERVED
kwiff's homepage FAQ answers "Is kwiff a licensed and safe UK betting site?" with a direct link to its own entry on the Gambling Commission's public register. Very few operators link the register at all, and almost none link straight to their own record — it is the single cheapest thing an operator can do to let a reader check the claim, and it sits oddly beside terms that print the account number wrongly.
kwiff GB homepage FAQ · checked 2026-10-11
kwiff pros and cons
Pros
- The supercharge is a real differentiator and winnings from it carry no wagering requirement
- States plainly that an asterisked price is the ceiling, not what you will get
- Links its own Gambling Commission register entry from the homepage
- Native apps on both stores, registered as domains on the licence itself
- eCOGRA named as the dispute-resolution body and an eight-week complaints commitment
Cons
- The group's terms print the licence account number as "4448" instead of 44448
- The terms footer says Kwiff Limited is the licensed party; clause B.1 says Eaton Gate Gaming is
- kwiff.com/terms-and-conditions/ is a soft 404 that silently returns the homepage
- £5 a month dormant-account fee after thirteen months of inactivity
- Free bets expire in seven days and exclude cash out, each-way, multiples and odds boosts
- GAMSTOP is not named on the site or in the terms
What kwiff lacks
- Any published casino catalogue total, supplier list or casino welcome price
- A working terms page on the betting domain itself
- Published withdrawal times, minimums or fees
- Any mention of its two sister brands anywhere on the site
kwiff Sister Sites — the verdict
kwiff is the most interesting product on this licence and the one whose paperwork least deserves it. The supercharge is genuinely distinctive, the no-wagering term on supercharged winnings is better than most operators offer, and linking its own register entry from the homepage is something almost nobody does. Then the terms misprint the licence number, contradict themselves about who holds it, give the operator three addresses and route complaints to a European platform that shut in July 2025. If you bet here, read the asterisk line on the homepage and the dormant-account clause, and do not rely on kwiff.com/terms-and-conditions/ — it is the homepage wearing a different URL.
Network fingerprint for the 2 kwiff Casino sister sites: probable, 65/100.
kwiff sister sites — FAQ
Who owns kwiff?
kwiff is run by Kwiff Limited, a Malta company (C77623), which is a wholly-owned subsidiary of Eaton Gate Gaming Limited of Derby (9526212). Eaton Gate holds UK Gambling Commission account 44448 and names Kwiff Limited on it as its agent under what the terms call an umbrella licence. In short: the licence is British, the operating company is Maltese, and they are parent and subsidiary.
What are kwiff's sister sites?
GRP Casino and SlotsKing. Both run on domains registered to the same Gambling Commission account, 44448, both print the same operator statement in their footers, and all three serve a byte-identical app shell and a byte-identical robots.txt. Neither casino is a registered trading name on the account — only "kwiff" is.
Will I actually get the supercharged odds shown?
No, and kwiff says so. Its own homepage note reads: "Odds with an asterisk are the highest supercharged bet on that market. You won't receive those odds but you may receive a different random supercharge." The asterisked price is the maximum available on that market, not an offer to you. What you do get, if a bet is supercharged, is covered by clause A.20: those winnings carry no wagering requirement.
Where are kwiff's terms and conditions?
On corporate.kwiff.com, linked from the footer. The obvious address, kwiff.com/terms-and-conditions/, returns an ordinary 200 response but serves the homepage — every substantial line on it also appears on the homepage and none is unique. If you have read something at that URL and thought it was the terms, it was not.
Does kwiff charge for an inactive account?
Yes. After thirteen consecutive months without a transaction, a £5 monthly dormant-account fee is deducted until the account is reactivated, closed, or the balance reaches zero. The terms say an email warning goes out after twelve months.
Related reading
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