How We Rate Casinos
At psfbuzz.org.uk, our casino reviews are designed for players in Great Britain and focus on safety, fairness, and real-world usability. We evaluate every casino and app — including the Sun Bingo app — using the eight criteria below, ranked from most to least important. Our methodology is reviewed regularly to reflect changes in UK gambling regulation, technology, and player expectations in 2026.
1. Licensing & Regulation
We first check that a casino holds a valid licence from a reputable regulator. For GB players, this means a UK Gambling Commission (UKGC) licence is essential. We also note licences from the Malta Gaming Authority (MGA), Curaçao eGaming, and other local GB licences where relevant. We verify licence numbers, check regulatory history, and assess whether the operator follows advertising, data protection, and anti-money laundering rules.
2. Game Selection & Software Providers
We test the full game library, including online slots, live casino tables, and classic table games such as blackjack, roulette, and baccarat. We look for software from trusted providers like NetEnt, Playtech, Evolution, Pragmatic Play, and others. A strong casino should offer a varied, fair, and regularly updated catalogue. For the Sun Bingo app and similar bingo-focused platforms, we also assess bingo rooms, slot crossover titles, and exclusive games.
3. Bonus Terms & Wagering Requirements
Bonuses are only as good as their terms and conditions. We read the T&Cs for every welcome offer, free spins, bingo tickets, and reload bonus. We focus on wagering requirements (rollover), maximum cashout limits, game contribution percentages, time restrictions, and minimum deposit rules. Offers with unreasonable terms are penalised, while transparent and player-friendly bonuses score higher.
4. Payment Methods & Withdrawal Speed
We evaluate the full payment journey, from deposit to withdrawal. We look for support for crypto, e-wallets such as PayPal, Skrill, and Neteller, as well as debit cards and bank transfers. We test or verify withdrawal processing times, fees, minimum and maximum limits, and KYC verification speed. Casinos that pay quickly and without unnecessary friction score highest.
5. Customer Support
Reliable support is essential. We test 24/7 live chat, email response times, and the quality of help provided. We also check whether phone support is available and if the FAQ or help centre resolves common issues. Support teams should be knowledgeable, polite, and able to handle account, payment, and responsible gaming queries efficiently.
6. Mobile Experience
Most GB players now use mobile devices, so we test on both iOS and Android. We evaluate responsive design in mobile browsers and the quality of dedicated casino apps, including the Sun Bingo app. We look at app stability, loading speed, navigation, touch controls, and whether the full game library and cashier are available on mobile.
7. Responsible Gaming Tools
Player protection is a non-negotiable part of our reviews. We check for deposit limits, loss limits, wagering limits, reality checks, time-outs, cooling-off periods, and self-exclusion options. We also verify links to GamStop, GamCare, and other UK support organisations. Casinos that make responsible gaming tools easy to find and use receive higher scores.
8. Our Rating Scale
We score each casino on a 1–10 scale based on the weighted performance across the seven criteria above. Our scale is defined as follows:
- 9–10: Outstanding — highly recommended for GB players.
- 7–8: Good — safe and enjoyable, with minor weaknesses.
- 5–6: Average — playable, but with notable drawbacks.
- 3–4: Poor — significant concerns around fairness, support, or payments.
- 1–2: Avoid — serious regulatory, security, or player-experience failures.
We do not give a score of 10 lightly, and no casino can buy a higher rating. Our reviews remain independent and based on hands-on testing and verified information.