How We Rate Casinos

At C17.org.uk, we evaluate online casinos using a comprehensive methodology to help UK players find safe, fair, and enjoyable gaming platforms. Our ratings are based on eight key criteria, listed below in order of importance.

1. Licensing & Regulation

Player safety is paramount. We prioritise casinos licensed and regulated by recognised authorities, particularly the UK Gambling Commission (UKGC), which offers the strongest consumer protections for British players. We also consider licences from the Malta Gaming Authority (MGA), Curaçao eGaming, and other reputable jurisdictions. A valid licence ensures the casino operates to strict standards, undergoes regular audits, and maintains player funds in segregated accounts.

2. Game Selection & Software Providers

We assess the breadth and quality of games available, including slots, live casino games, and table games. We favour casinos partnering with established software providers such as Microgaming, NetEnt, Pragmatic Play, and Evolution Gaming. A diverse game library with regular updates signals a casino's commitment to player engagement and entertainment value.

3. Bonus Terms & Wagering Requirements

Welcome bonuses and promotions are attractive, but terms matter significantly. We examine T&Cs carefully, including wagering requirements (rollover), maximum cashout limits, game restrictions, and expiry dates. Transparent, fair bonus terms that don't trap players with unrealistic requirements receive higher marks. We flag casinos with overly punitive conditions.

4. Payment Methods & Withdrawal Speed

We evaluate the range of deposit and withdrawal options available to UK players, including credit/debit cards, e-wallets (PayPal, Skrill, Neteller), bank transfers, and cryptocurrency. Fast, reliable withdrawals are essential—we test withdrawal speeds and flag casinos with delays or hidden fees. Multiple payment channels increase convenience and security.

5. Customer Support

Quality customer support is vital when issues arise. We rate casinos offering 24/7 live chat, email, and phone support. We test responsiveness, staff knowledge, and professionalism. Casinos with dedicated UK support teams and rapid response times score higher. Availability of a comprehensive FAQ and help centre are also considered.

6. Mobile Experience

Most players access casinos via smartphones and tablets. We assess responsive web design, load times, and user interface on mobile devices. We also evaluate dedicated iOS and Android apps where available, checking for functionality, stability, and ease of navigation. A seamless mobile experience is increasingly essential.

7. Responsible Gaming Tools

We commend casinos providing robust responsible gaming features, including deposit limits, loss limits, session time limits, and self-exclusion options. We also look for access to cooling-off periods and links to support organisations like GamCare and the National Problem Gambling Clinic. Strong responsible gaming tools demonstrate ethical commitment and player protection.

8. Our Rating Scale

We rate casinos on a scale of 1 to 10:

Our ratings are updated regularly to reflect changes in casino services, new regulations, and player feedback. We remain independent and transparent in our assessments, never accepting payments from casinos for reviews.