Online Casino Rating Process Used by the Natural Links Team

How Our Casino Rating System Works

Our casino rating system covers eight areas:

Each category receives a mark from 0 to 10. We use the same criteria for partner and non-partner casinos, but individual categories don't contribute equally to the final result. A serious licence problem matters more than a narrow choice of slot titles.

Scores are interpreted as follows:

• 9-10: excellent;
• 7-8: good;
• 5-6: average;
• below 5: not recommended.

The weight table and an example calculation appear further down this page.

Minimum Requirements Before a Casino Gets Listed on Natural Links

A flashy lobby won't get a casino onto Natural Links. First, our reviewers check whether the operator clears six safety requirements:

• A valid and verifiable gambling licence;
• SSL/TLS protection, including sign-in and payment pages;
• Understandable terms and conditions;
• Clear company information and relevant ownership details;
• Working deposit controls, self-exclusion options, and other tools;
• No established pattern of unpaid winnings or unanswered player disputes.

The licensing check always comes before entertainment features. A casino without legal accountability poses risks a high game count can’t fix. Reviewers research the owner and the authority responsible for handling disputes.

Review sites handle commercial relationships differently. At Natural Links, commissions never change a casino’s score or list position; our Affiliate Disclosure explains how. If a casino fails our entry requirements, it stays out of the rankings. We will not give it a flattering score.

Licensing, Security and Fair Play

When rating casino operators, Natural Links looks beyond promotional claims. We examine legal documents, security measures, and independent game testing. This part of the assessment carries the most weight. After all, an impressive game collection means little if players cannot trust the operator with their money.

Licence and Regulator Checks

We start with licensing. Reviewers look for the licence number and compare it with the issuing authority's public records. The legal entity must match the casino. We also check the domain, current status, and the activity the licence covers. A footer badge alone proves nothing.

Public registers such as those of the UK Gambling Commission, the Malta Gaming Authority, Curaçao, Anjouan, Tobique, Costa Rica, Kahnawake and other licensing authorities allow searches by business, trading name, or domain, and some offer a URL checker. These records help identify copied seals or false claims.

The regulator’s oversight and enforcement history are important too. We also assess ways for dispute resolution. Different regulators (the UKGC, MGA, Curaçao, Anjouan, Tobique, Costa Rica, Kahnawake, Canadian provincial regulators and others) have different rules, so an offshore permit doesn’t necessarily offer equivalent protection. A suspended or expired licence triggers a fresh check. We remove the recommendation if the casino loses the authority it needs for the reviewed market.

Encryption and Data Protection

Nobody wants their personal information to be treated poorly. That’s why we focus on several important areas:

• SSL/TLS certificate. We check if the website uses solid encryption to protect player info during transmission.
• Payment security. We test payment pages to see how the casino manages sensitive information.
• Privacy policy. Our reviewers check if the operator honestly states the reason for collecting personal info, who can access it, and how long it's stored.
• KYC documents. When players submit their ID, we check how the casino handles this information. Vague policies raise data protection concerns.
• Two-factor authentication. We check whether players can enable this additional barrier against unauthorised account access.

Missing security features or contradictory privacy statements can lower the score, even if the casino's payment system works without obvious problems.

RNG Certification and RTP Audits

A random number generator, or RNG, keeps game results unpredictable. But a casino's “fair games” badge proves little on its own. Our reviewers look up independent fairness test results from eCOGRA, iTech Labs, and other laboratories. The evidence should match the games currently offered.

The lab's approval must cover the relevant testing area. Authorities such as Gibraltar's Gambling Division publish lists of accepted test houses. A logo without a checkable certificate earns no automatic credit.

RTP, or return to player, is a game's theoretical return over a long period. An RTP of 96% doesn’t promise $96 back from $100 staked during one session. We check the figure in the available game version because settings can differ. The UKGC's monitoring guidance explains why small samples cannot establish a reliable return.

Missing evidence lowers the relevant sub-score. Reviewers record the limits of what they can verify.

An audit report must cover the product behind the claim. We check its age, then consider any relevant changes since testing. A report for another domain does not settle the question.

Banking, Deposits and Withdrawal Speed

A casino review online is incomplete until the payments work outside the terms page. Reviewers deposit and withdraw real money with several methods: bank cards, e-wallets, bank transfers and crypto where available.

Payment timing is split into stages. A request can sit in a pending state before approval, pass through identity checks, and then depend on a bank or payment provider. For payouts, the meaningful end point is when the money reaches the receiving account or wallet, not when the casino marks a transaction “processed.”

Reliable withdrawals matter more than a long row of payment logos. We compare minimum cashout amounts with daily or monthly caps. We also record any instalment rules. First-time identity checks can add time, so the review records that stage separately. One quick transaction does not establish a long-term record.

A payment to an already verified account may take less time than the first cashout from a new account. We keep those cases distinct. The review also identifies the country and currency used, because a method shown in the global cashier may not work for every reader. If we cannot access a route, we say so rather than presenting its advertised speed as a test result.

Bonuses and Wagering Terms

We judge bonuses by what a player must do to use them. Reviewers read the rules before claiming an offer. We check several key factors:

• eligible countries;
• payment exclusions;
• the maximum stake;
• cashout ceiling;
• expiry dates.

Wagering sets the betting target before bonus cashout. Check what the multiplier applies to: the bonus alone, or the deposit plus the bonus.

Game weighting determines bet contributions. We check excluded games, stake limits, deadlines, cashout caps, payment exclusions, and cancellation clauses. Rules that void winnings for exceeding stake limits must appear upfront. We compare pages with general terms, flag conflicts or hidden restrictions, then assess ongoing offers plus loyalty VIP conditions.

Games, Software and Mobile Experience

Our online casino rating scores game choice separately from the phone experience. Thousands of titles mean little if basic tasks feel awkward. Reviewers start on desktop then repeat actions on a smaller screen.

Stable software matters throughout: games should launch reliably, with account controls within reach. We try titles instead of trusting lobby listings, recording failures or recurring errors. Recognised providers help confirm game origins; we also weigh their reputation when assessing the quality of individual games.

The catalogue checks cover:

• Range: slots, table games, live dealers, different stake levels. We compare the advertised selection with actual access; near-identical titles do not replace variety.
• Local access: a global studio may cover a smaller selection in the reviewed country. We count only games the test account can actually open.
• Progressive jackpots: eligibility, required stakes, prize payment terms. Unclear restrictions reduce their value.
• Navigation: finding a title, applying filters, returning to recent games. Filters should distinguish live tables from digital versions without requiring players to open each game.

Those tasks reveal usability problems that a game count misses. Account controls should stay accessible during play, without needless steps.

An internet casino review needs phone tests: loading speed, readable text, registration fields. We open the cashier, deposit, then request a withdrawal, recording the device plus browser.

A mobile app faces the same checks. A reliable browser version can score just as well; an app alone earns no extra points.

How We Test Customer Service

We contact support with typical player questions. One asks about an offer restriction; another concerns a delayed payment. We also ask which documents the casino needs before releasing funds. The answer must match the written rules.

Reviewers test live chat, email, and phone access where available. We log the first response separately from the time needed to resolve the question. We also check opening hours, including access outside normal office hours when the casino advertises round-the-clock service.

Fast but inaccurate replies earn little credit. Reviewers assess whether agents explain the next step clearly. They also check the available languages.

Player complaints add context beyond our test. We inspect dates, look for repeated issues on independent platforms, and consider the operator's response. An unsupported comment carries less weight than several documented cases with matching facts.

We also check what happened after the initial report. A resolved case needs a different explanation from an unpaid claim that remains open. The number of angry posts alone cannot establish the cause. Transaction records, dated messages, or a formal decision give the team firmer grounds for changing a score.

Responsible Gambling Checks

We check whether a casino offers deposit, loss and session limits, time-outs, self-exclusion and links to help organisations. Missing or hard-to-find tools lower the score. Our Responsible Gambling page explains the tools in full.

Scoring Weights, Updates and Blacklisted Operators

A top online casino review lets readers trace its score back to evidence. Category results identify specific strengths or weaknesses. Their relative shares determine the final number, while entry failures remain a separate reason to exclude an operator.

Category Weights in the Final Score

Our methodology uses these shares. Each category receives a sub-score from 0 to 10. We multiply it by its percentage as a decimal, then add the eight contributions. The editor keeps the supporting notes for each sub-score. Readers should be able to connect a deduction to a stated finding, such as a restrictive cashout cap, rather than an unexplained impression.

Account safety carries the largest individual share, followed by access to funds. Game variety has less influence because a broad catalogue cannot compensate for failures in those areas.

Worked Example: Casino A

For transparency, let’s use a fictional operator. The shares match the table above. Each points entry equals the sub-score multiplied by its weight.

Casino A loses points for slow cash returns and demanding offer terms. Its final score of 7.57 falls in the 7-8 “good” range.

Review Updates and Fresh Tests

Reviewers re-test casinos on a regular schedule, and each review shows the date of its latest test. Licence status and key offer terms are checked between full re-tests. If a licence changes, we do an unscheduled check. The same goes for ownership changes or new bonus rules. Our reviewers do the same tests and document the evidence. After that, they revise the relevant sub-scores. Each review should show its latest substantive update date. Changing a timestamp alone does not refresh the evidence.

Red Flags That Reduce a Score

We observe how the casino complies with its written rules to assess fairness. These problems can reduce a category score or trigger removal:

• Unexplained payment delays or unjustified refusals;
• Unfair terms or secret changes to active offers;
• Aggressive marketing, especially after requesting a restriction;
• Loss of the required licence;
• Ignoring repeated disputes.

The response depends on the evidence. A slow answer may reduce the service score. Sustained non-payment can end a recommendation.

Our blacklist identifies operators with documented serious risks. Each entry explains the documented risk. We never recommend such casinos. Before our team reconsiders a casino's status, we need proof that the problem is fixed.

Who Tests and Scores the Casinos

Every casino review involves three roles: the reviewer, the fact-checker, and the editor. Christian Rees runs the account tests as casino reviewer and records the evidence. Brandon Hartley, our Editor-in-Chief, verifies the findings against public records, including current offer terms, and also acts as editor: checking the reasoning, resolving gaps, and approving the final score.

Read our Editorial Policy for team responsibilities.