How We Rate Casinos

At Mayfair Park, we've developed a comprehensive methodology to evaluate and rank the best online casinos for New Zealand players. Our ratings are based on extensive research, player feedback, and rigorous testing across multiple criteria. Here's how we assess each casino:

1. Licensing & Regulation

Licensing and regulatory compliance is our top priority. We only recommend casinos that hold valid licenses from reputable gaming authorities. Our assessment includes:

Casinos operating under robust regulatory frameworks receive the highest scores in this category, as they demonstrate commitment to fair play and player protection.

2. Game Selection & Software Providers

A great casino offers diverse gaming options from trusted software developers. We evaluate:

Casinos with 1,000+ games from multiple premium providers score highest in this category.

3. Bonus Terms & Wagering Requirements

We scrutinise bonus offerings to ensure they provide genuine value to players. Our analysis covers:

Lower wagering requirements (25x-35x) and transparent terms earn higher ratings. We penalise hidden conditions and unreasonable restrictions.

4. Payment Methods & Withdrawal Speed

Convenient and secure banking is essential. We assess:

Casinos offering instant withdrawals through multiple methods, including crypto options, receive top scores.

5. Customer Support

Reliable customer service is crucial for resolving issues quickly. We evaluate:

Casinos with instant live chat responses and knowledgeable support teams score highest. We test support quality firsthand.

6. Mobile Experience

Most players access casinos via mobile devices. We assess:

Casinos with optimised mobile sites and well-designed apps receive top ratings.

7. Responsible Gaming Tools

Player safety and responsible gambling support are non-negotiable. We check for:

Casinos with comprehensive responsible gaming features and easy-to-use tools earn the highest scores in this critical category.

8. Our Rating Scale

Each casino receives a final rating from 1 to 10 based on performance across all criteria above. Here's what our scores mean:

Note: Our ratings are updated regularly to reflect changes in casino operations, licensing status, and player feedback. All reviews are conducted independently and reflect our honest assessment as of 2026. We do not accept payment for positive reviews and maintain complete editorial independence.