Diamond Certified® Home Edition
The Diamond Certified Resource has long been a valuable source of local ratings for Northern California consumers. Every Diamond Certified company has been independently rated Highest in Quality and Helpful Expertise® in Northern California’s most rigorous and accurate research of customer satisfaction, and each transaction with a Diamond Certified company is backed with mediation services and a powerful Performance Guarantee. Now, there’s a way for you to get even more value from the Diamond Certified Resource: Diamond Certified Experts. Every Diamond Certified Expert Contributor manages a Diamond Certified company that has been rated Highest in Quality and Helpful Expertise®, and they’ve contributed their industry expertise to help you make better decisions. You’ll gain knowledge and become a savvier consumer when you see the articles, videos, and tip sheets they’ve created. It’s easy to access these useful Diamond Certified Expert Contributions— just go to diamondcertified.org/find-expert-advice.
The Most Accurate Ratings
If you choose a Diamond Certified company, you can be confident that you’re working with dependable people who really care about customer satisfaction. All research is conducted via live telephone surveys with real customers, and Diamond Certified companies must score 90+ on a 100 scale in customer satisfaction to earn and maintain the prestigious award.