Diamond Certified is a highly reputable and trusted resource that aims to make you an expert at choosing local companies in the Greater Bay Area. With decades of experience, their dedicated team rates and certifies local companies based on the highest standards of quality and helpful expertise. Only companies that pass rigorous surveys of verified real customers earn the prestigious Diamond Certified award.

Founded in 1990, Diamond Certified pioneers the practice of rating local companies based on customer satisfaction, even before the advent of the internet. Their mission is to define excellence and provide consumers with confidence in the companies they choose. They believe that consumers have the right to know which companies perform at the highest level of quality and that these companies deserve public recognition for their ongoing performance.

Diamond Certified offers comprehensive company reports, ensuring the most accurate ratings and performance guarantees. Their always-free Diamond Certified Preferred membership provides access to a hotline, double guarantee, and subscription to their directories. Join the 190,000 satisfied members and celebrate 20 years of serving the community by finding top-rated companies in your area.

Trust Diamond Certified to help you make well-informed decisions for all your home, auto, health, and personal needs