VerdictCasumo scores 4.2 out of 5 and ranks 4 of the five casinos we score. Its welcome offer scores lowest but one, because a 50% match with 10x wagering, an opt-in and a £5 bet limit asks a lot.
Casumo leads on slots and games with 9.0, the highest single score on the site, and has the largest reported library. Its welcome offer scores lowest but one, because a 50% match with 10xwagering, an opt-in and a £5 bet limit asks a lot.
Pros and cons
For
3,500 games or more reported
Largest bonus in pounds, up to £100
Fast e-wallet withdrawals reported
Bonus usable on most slots
Against
Welcome offer scores 7.0
Opt-in required before depositing
£20 needed for the bonus
Who it suits
A regular slots player who values choice over a simple offer.
Significant terms: 18+. New customers only. Opt-in required. 50% deposit bonus up to £100 on first deposit. Minimum deposit £20. 10x wagering on the bonus amount. Maximum bet or spin £5. Bonus valid for 7 days. Game, play and payment method restrictions apply. Full T&Cs apply. BeGambleAware.org
Read the Casumo reviewLicence: Recro Limited, UKGC account 61549. Offer checked 5 October 2026.
The welcome offer in detail
Casumo adds 50% of your first deposit as bonus money, up to £100. You must opt in before depositing, the minimum deposit for the bonus is £20, and the bonus must be wagered ten times within seven days at no more than £5 a bet. A £20 deposit earns £10 and needs £100 of stakes; the full £100 needs a £200 deposit and £1,000 of stakes.
Games and live casino
This is Casumo's strength. Reviewers put the library at 3,500 games or more, the largest of the five, and it scores 9.0 for slots and games, the highest mark on this site. Live casino scores 8.5. Slot tournaments are reported.
Payments in practice
The minimum deposit is £10. Reviewers report e-wallet withdrawals within 24 hours and often much faster, which is why Casumo takes our fast withdrawals award on the tie-break. It scores 8.5 for payments.
Before you join
The footer of the British site should name Recro Limited, account 61549, which has operated Casumo here since late 2023. A page still naming an earlier company is out of date.
Key facts
Detail
Casumo
Games
3,500+ games
Live casino
Evolution, Pragmatic Play and Playtech, plus Casumo-branded tables
Minimum deposit
£10 (£20 for the welcome offer)
Withdrawals (reported)
E-wallets within 24 hours and often much faster in reviewers' tests; cards 1 to 3 working days
Casumo is operated in Britain by Recro Limited, account 61549. The British site was previously run by Casumo Services Limited, whose licence was surrendered in late 2023. The footer of the site should name Recro; a review or page naming the earlier company is out of date.
Joining Casumo, step by step
Register and verify.
Opt in to the welcome bonus.
Set a deposit limit.
Deposit £20 or more.
Stake ten times the bonus on eligible games within seven days, at £5 a bet or less.
What the welcome offer is worth
A £20 deposit earns a £10 bonus needing £100 of stakes; on 96% slots that costs about £4 on average and leaves about £6. A £100 deposit earns £50, needs £500 of stakes at about £71 a day, costs about £20 and leaves about £30. The full £100 bonus needs a £200 deposit and £1,000 of stakes.
Averages at a 96% return unless stated. A single session can differ widely.
What most often goes wrong
Depositing before opting in: no bonus is added.
Depositing £10: accepted, but the bonus needs £20.
Betting more than £5 a spin while the bonus is active.
Playing low-weighted games and finding the wagering has barely moved.
Running out of the seven days.
Where Casumo stands in each category
Welcome offer: 7.0, the fourth highest of the five, alone on that mark.
Slots and games: 9.0, the highest of the five, alone on that mark.
Live casino: 8.5, the highest of the five, level with Coral, Ladbrokes and PlayOJO.
Payments: 8.5, the highest of the five, level with Coral and Ladbrokes.
Mobile: 8.5, the highest of the five, level with Coral, Ladbrokes and PlayOJO.
Overall it scores 4.2 out of 5, level with Ladbrokes and PlayOJO.
Our verdict on Casumo
Casumo is the slots specialist: the biggest lobby and the highest single score on this site. Its welcome bonus is the largest in pounds and the most demanding to complete. It suits a regular player who will use the range, and does not suit someone who wants a quick, condition-free start.
Scores are desk-based: they draw on each casino's published terms, the public register and recent independent reviews, not on real-money accounts. Where scores tie we say so and name the tie-break. Offer terms dated 5 October 2026. How we score. 18+. Free help: 0808 8020 133 or safer gambling.
Frequently asked questions
Is Casumo a good online casino?
It scores 4.2 out of 5, ranked 4 of five.
What is Casumo best for?
slots, fast withdrawals, the biggest bonus, a deposit bonus.
Is Casumo licensed?
Yes: Recro Limited, account 61549.
What is the Casumo welcome offer?
50% bonus up to £100.
Who owns Casumo?
Casumo is operated in Britain by Recro Limited, account 61549.
What is the Casumo welcome offer worth?
A £20 deposit earns a £10 bonus needing £100 of stakes; on 96% slots that costs about £4 on average and leaves about £6.
Gambling can be addictive. Free, confidential help is available 24 hours a day from the National Gambling Helpline on 0808 8020 133. Visit BeGambleAware.org and GamCare, or block yourself from all UK-licensed gambling sites with GAMSTOP.
This site contains adverts. We may earn commission when you sign up through our links. Advertiser disclosure.
We use no tracking cookies. We store one item in your browser to remember this notice. Casino sites may set their own cookies after you follow an advert link. Cookie policy
