Floath
Getting started6 min read

How to choose an online casino

Six checks, in the order that matters. The bonus is fourth.

Ruth AdeyemiHead of ratings
Published
20 January 2026
Last updated
11 August 2026
Last reviewed
11 August 2026

Key takeaways

  • Check the licence and the withdrawal terms before you look at a single bonus figure.
  • Multiply the wagering multiplier by its base: 35x on deposit plus bonus is about 2.3x the turnover of 30x on the bonus alone.
  • Deposit with the method you want to be paid on — most operators enforce a closed loop.
  • Approval time, not payment-rail speed, is what separates a two-hour payout from a three-day one.
  • Set a deposit limit before the first deposit, and browse the lobby in demo mode before funding anything.
On this page

Comparison sites rank casinos on bonus size because bonus size is the easiest number to put in a headline. It is also the number least likely to change what happens to your money. A £500 match at 40x wagering on deposit plus bonus is worth less than a £100 match at 30x on the bonus alone, and neither matters much if the payout takes four days. Work through the checks below in order and the shortlist usually writes itself.

The order to check things in

  1. Licence and player protection — is there a route to complain, and are player funds held apart from operating funds?
  2. Withdrawal terms — approval time, minimum, fees, and whether a pending withdrawal can be reversed back into the balance.
  3. Payment rails — can you both deposit and withdraw on a method you already use?
  4. Bonus terms — only if you intend to take one.
  5. Games — the studios, stakes and categories you actually play.
  6. Support — hours, channels, and whether answers cite a clause or repeat the headline.

The first three decide whether you get paid. The last three decide whether you enjoy the account. Reversing that order is how people end up with a large bonus at an operator that pays out on Tuesdays.

1. Licence and player protection

A licence is not a quality badge. It is a description of what happens when something goes wrong. Stronger regimes require segregated player funds, a named alternative dispute resolution body, self-service exclusion tooling and rules about how offers are advertised. Lighter regimes may require none of that — which does not make an operator dishonest, but it does mean you have fewer places to go if it turns out to be.

ProtectionTypically required under stronger regimesOften absent under lighter ones
Segregated player fundsHeld apart from operating capitalNo requirement
Independent dispute routeNamed ADR body in the termsComplaints handled in-house only
Self-exclusionSelf-service, plus national scheme linksEmail request, no scheme
Deposit limitsSet and enforced from the accountSupport-only, or absent
Offer transparencyKey terms shown with the offerTerms behind a second click
What changes between licensing regimes

Every serious regulator publishes a public register of the operators it licenses. Floath lists the regulators behind each operator on its review page; checking the regulator's own register before depositing takes about a minute and is the single highest-value minute in this whole process.

2. What the withdrawal actually looks like

Two clocks run on every payout: the operator's approval, and the payment rail's settlement. Marketing almost always quotes the second, because it is the fast half. Approval is the half that varies between operators, and it is a staffing decision rather than a technical one.

Fastest approval
1 hour
Across the operators Floath covers
Median approval
16 hours
Slowest approval
72 hours
Card settlement
2–5 banking days
Added on top of approval, whatever the operator quotes

Three further details rarely make it into the marketing. The minimum withdrawal — a £20 floor is awkward at an operator with a £10 minimum deposit. Whether there is an operator fee on any method. And whether a pending withdrawal can be pulled back into the balance. A reversal window that is on by default is a design choice, not a convenience.

3. Payment rails

Most operators enforce a closed loop: you withdraw to the method you deposited with, up to the amount you deposited, and only the surplus can go elsewhere. That makes your deposit method a decision about how you get paid. Cards deposit instantly but refund slowly, adding two to five banking days at the end. E-wallets and instant bank transfers usually settle within minutes of approval. The local rail matters more than the length of the list — Interac in Canada, instant EFT in South Africa, PayPal across the UK and Ireland.

4. Bonus terms, in one worked example

Two welcome offers, both headlined as a 100% match up to £150. Deposit £150 and take the full bonus in each case. The headline is identical; the term sheet is not.

TermOffer AOffer B
Wagering multiplier30x35x
Applies toBonus onlyDeposit + bonus
Wagering base£150£300
Turnover required£4,500£10,500
Deposit locked while wageringNoYes
The same headline, two very different costs

Offer B asks for 2.3 times the turnover for the same headline number, and it locks your own money while you produce it. At a 96% RTP slot, £4,500 of turnover carries an expected cost of roughly £180 and £10,500 roughly £420 — long-run averages, not predictions, and actual results scatter widely in both directions. The point is not that one offer is winnable and the other is not. It is that the headline told you nothing about either.

5. Games

Library size is the most quoted and least useful spec on a casino page. The difference between 2,400 and 5,000 titles is a longer scroll; you will play perhaps twenty of them. What matters is whether the studios you like are present, whether live tables run at stakes you actually play, and whether search and filtering work well enough to find anything. Most operators let you browse the lobby before depositing, and many let you play in demo mode — do that first.

6. Support

Open live chat before you deposit and ask something specific: what is the wagering base on the welcome offer? An agent who answers with the actual clause is a good sign. One who answers by repeating the headline is a bad one. An operator with email support only means a stalled withdrawal costs a day per exchange, which is how a two-day problem becomes a two-week one.

Signals to walk away from

  • No self-service deposit limit in the account. If you have to ask support to set one, it is not a control.
  • Wagering applied to deposit plus bonus at 35x or more, combined with a max bet under £5.
  • Full bonus terms that are not linked from the offer itself.
  • Withdrawal reversal on by default with no way to switch it off.
  • No named complaints route beyond the operator's own inbox.

Frequently asked questions

About the author

Ruth Adeyemi

Head of ratings

Ruth owns the Floath Score model — the category definitions, the weights and the evidence each score has to be backed by. She signs off every rating change before it goes live.

  • Rating methodology
  • Licensing and player protection
  • Complaints and disputes
More from Ruth Adeyemi

Record history

First published
20 January 2026
Last edited
11 August 2026
Last reviewed
11 August 2026

Operator terms change without notice. If something here no longer matches what an operator publishes, the operator's own terms are what count — tell us and we will re-check the record. How we work is set out in our editorial policy.