Casumo

A 50% match to £100 with 10× wagering on the bonus sits at the ceiling the Gambling Commission's rules have set since 19 January 2026, applied to the bonus alone. Deposit £100, receive £50, and the requirement is £500 of turnover; before that date 35× was common, and the same bonus would have needed £1,750.

Put a pound figure on it. At a typical 96% slot return, £500 of turnover costs about £20 in expectation, against a £50 bonus — positive by about £30 on paper, as a capped requirement on the bonus alone usually is. At the old 35×, £1,750 of turnover cost about £70, more than the bonus was worth. That gap was the difference between a promotion and a trap, and it is why this criterion carries eight of the twenty bonus points in our method.

The minimum qualifying deposit is £20, which is the figure we score value on rather than a headline maximum. A player depositing £20 gets £10 and a £100 requirement — the same terms, proportionally, as the player depositing five times as much. That is worth noting because plenty of offers in this market only make sense at three figures.

What is missing costs the offer four points. The terms page reached from the promotion states the multiplier, the weighting, the expiry and a maximum bet, but not a cash-out cap. The maximum bet is €5 a bet or spin, with no sterling figure published; it is the clause that voids more bonus winnings than any other, so convert it before you play rather than guess.

The bonus expires seven days after it is credited. Read alone, that is unremarkable. Read together with the wagering requirement, it sets a pace: £500 of turnover in a week is around £70 a day, which is achievable at modest stakes but not achievable if you play twice.

The trap in short expiries is not that they are harsh — it is that they invert the usual advice. A player told to take their time and play small is the player most likely to lose the bonus to the clock. If you take this offer, take it when you actually intend to play, not on the day you happen to sign up.

The counterweight is that winnings appear to be uncapped: nothing on the terms page states a maximum conversion. That is genuinely good and unusual — a cap is the clause that turns a good night into a fixed payout — but the absence of a stated cap is not the same as a stated absence, which is exactly why our method scores what is written rather than what is implied.

Nineteen studios are named on the operator's own pages, which is one of the broader supplies in this catalogue: Pragmatic Play, NetEnt, Evolution, Big Time Gaming, Hacksaw, Nolimit City, Push Gaming, Playtech, Microgaming, Red Tiger, Blueprint, IGT, Yggdrasil, Relax, Thunderkick, Quickspin, ELK, Playson and Novomatic. In practical terms, whatever slot you have in mind is likely to be here.

We do not award the library points, and the reason is procedural rather than critical: the pages we captured name the studios but do not state a title count we can quote, and we do not publish a number we have not read. That criterion stays unassessed and its points leave the denominator, rather than counting as a zero against the casino.

The gap that does cost points is RTP. No return-to-player figure is published anywhere on the site, for any game — and since the same slot can be run at 96% or at 94% by operator choice, the cost of playing here is not disclosed. Six points out of six lost, and lost by almost every competitor in this catalogue as well. It is the single largest transparency failure in the UK market, and it is invisible because everyone commits it.

Evolution and Playtech both supply the live lobby, which is the strongest pairing available in this market. Between them they cover the standard tables, the game-show formats and the branded roulette variants, and a lobby with both is a lobby with depth.

What we could not do is count the tables. The live lobby lists them only to a logged-in account, and the page a visitor sees is a shop window. Our method caps this criterion at two points out of four wherever the studios are visible but the tables are not countable, and it says so on the page rather than rounding up.

Deposit limits, loss limits, wager limits and self-exclusion are all present on the operator's own safer-gambling pages. Loss and wager limits are worth calling out because they are less common than deposit limits and more useful: a deposit limit caps what goes in, a loss limit caps what actually disappears, and the second is the number that matters to a player who withdraws and redeposits.

What we did not find on any page we captured is a mention of GAMSTOP. Every British licensee is required to participate in the scheme, so this is almost certainly a presentation gap rather than a compliance one — but we record what the pages say, and these pages do not say it. If you rely on GAMSTOP, that is worth confirming with support before depositing rather than assuming.

The complaint route is the gap. On the UK pages we could read, no alternative dispute resolution body is named — zero out of three on that criterion. Every British licensee has an approved provider, so the body exists; it is not published where a player would find it before a dispute, and that is the moment its name is hardest to obtain. Ask support for it in writing before depositing.

Casumo's score comes from a specific pattern: the paperwork checks out, the bonus maths is genuinely player-friendly, and the support commitment is stated rather than implied. The licensee is clean on the regulator's enforcement register, which is not true of 38 of the 59 brands in this catalogue.

The weaknesses are the market's weaknesses rather than this operator's alone. No published RTP. No dated audit behind the eCOGRA logo. The cash-out cap absent from the linked terms page. And, as with every review on this site today, no withdrawal timed with our own money — which is why the payouts axis contributes nothing to the score in either direction.

The assessed figure printed beside the score is the honest measure of how much of this we have actually checked. It will rise as the missing pieces are filled in, and the score will move with it — up or down.