How We Test Casinos

Last updated: May 2026 · Author: Marcus T., Senior Reviewer

This page describes the methodology behind every operator review on SlotMap. It is the operational counterpart to our Editorial Standards and the practical foundation of our Casino Review Policy. Reviewers writing for this site work to these standards; readers can read each review against this framework.

1. The license-tier system

The first thing we determine for any operator we consider reviewing is the license tier. License tier is the single most important predictor of how an operator will treat players when something goes wrong — not because Tier 1 operators are universally better, but because Tier 1 licenses impose enforceable obligations whose violation has real consequences for the operator. The hierarchy:

We review operators across all three tiers, but we frame each review by the tier it sits in. A “good” Tier 3 operator is not equivalent to an average Tier 1 operator, and we will not pretend otherwise. We will not review unlicensed operators at all.

2. Stage-by-stage testing

Every operator we review is taken through a five-stage cycle. The detail of the workflow is on our How We Work page; this section sets out the testing standards within each stage.

Stage 1 — License and ownership verification

• License authority and license number verified directly against the regulator’s public register.
• Corporate ownership chain documented from operating entity through to ultimate beneficial ownership where publicly available.
• Sister-brand check: identification of other operators run on the same license or by the same parent group.
• Enforcement-history check: any public regulatory actions in the past five years, summarized.

Stage 2 — Sign-up and deposit

• Real account opened by the named reviewer in their own legal name.
• Sign-up timing measured from registration form load to usable account.
• Deposit options inventoried at the reviewer’s location, with documented restrictions.
• Deposit timing measured from initiation to balance available.
• Currency conversion overhead noted where applicable.
• Responsible-gambling tool prompts at sign-up documented.

Stage 3 — Game library, bonus, and support

• Game library: Total game count from the operator’s own published number, cross-checked against our manual sampling. Provider mix documented. Live-dealer availability and provider documented. Demo-play availability documented.
• Bonus testing: Welcome offer claimed (or explicit decision not to claim, documented). Bonus T&Cs read in full, with at least three plain-language flags identified. Wagering progress tracked. Max-bet rule enforcement observed. Eligible-game restrictions tested by playing each major game category.
• Support testing: Live chat, email, and (where offered) phone contacted with a substantive question. Response time measured. Response quality assessed. Resolution outcome documented.
• RG tools: Each available tool activated and tested (deposit limit, time limit, reality check, cooling-off, self-exclusion mechanism). Operator’s responsiveness to tool activation documented.

Stage 4 — KYC and withdrawal

• Withdrawal initiated at an amount typically triggering KYC at the operator.
• KYC documents requested are catalogued; the request method (email, dashboard, support call) is documented.
• Time from KYC submission to clearance measured.
• Any rejected documents and the reasons given are recorded.
• Withdrawal time measured from KYC clearance to funds in the reviewer’s payment method.
• Pending periods, reverse-withdrawal mechanisms, and unexplained holds documented.

Stage 5 — Drafting and verification

• Review structured to the standard template covering all stages above.
• Edited and fact-checked by at least one other team member.
• License-tier and bonus-term claims independently re-verified at the editing stage.
• Conflict-of-interest disclosure finalized.

3. What we will not do

To remove ambiguity:

• We do not review unlicensed operators.
• We do not publish reviews based on summaries of other reviews; every review involves our own testing.
• We do not skip Stage 4 (KYC and withdrawal) for time pressure or affiliate-launch deadlines. The withdrawal test is non-negotiable.
• We do not use special “review accounts” with operator-supplied preferential treatment. Every test account is a normal account.
• We do not publish before completing the full cycle. Operators that deliberately stall the testing cycle (e.g., by indefinite KYC) are reviewed with that behavior as a documented finding.

4. Verdict categories

Our reviews end with a clear, specific, evidence-grounded verdict in one of four categories:

• Recommended — the operator performed well in our testing across all stages, holds an appropriate license for our reader audience, and the bonus structure (if any) is fair.
• Conditional recommendation — the operator is appropriate for specific player types or specific use cases, with explicit caveats. (Example: “recommended for low-stakes slots play; not recommended for high-stakes table games due to weak VIP support.”)
• Not recommended — the operator failed our testing in material ways. Specific reasons are documented.
• Verdict deferred — the test cycle could not be completed (typically because Stage 4 KYC stalled indefinitely) or material new information has emerged that we are still investigating.

5. Re-tests and update cadence

Every published review is revisited at least annually. Operators are also re-checked when:

• A regulatory enforcement action against the operator is published.
• The operator changes ownership, licensing, or major bonus terms.
• Reader-reported complaints reveal a pattern.
• A sister-brand under the same group fails our review materially differently.

6. Why this is more demanding than most

Most casino review sites publish based on operator marketing material, sometimes with a token sign-up. Our methodology takes weeks per operator and produces a fraction the article volume. We have chosen this trade-off deliberately, because the alternative is content that sounds like a review but does not function as one for the reader trying to make a real decision about where to risk real money.

Related pages: Editorial Standards · Casino Review Policy · Affiliate Disclosure · Sources & Citations · How We Work