Welcome Aboard!

We’re pleased to announce that the following companies have recently been awarded Diamond Certified. That means they’ve passed our rigorous 12-step rating process and scored Highest in Quality and Helpful Expertise®. Read more

We’re excited to announce that Diamond Certified recently won a Telly Award for “Best Local TV Commercial.” Our CEO, Greg Louie, spearheaded the creation of three compelling Diamond Certified TV spots, which you can view below. Greg worked with the talented folks at Mnemonic Agency to create these effective commercials last year, which have since run thousands of times on 22 cable networks, KTVU and YouTube.

Read more

Have you received your free copy of the 2020 Winter Diamond Certified Directory Update in the mail? It provides instant access to hundreds of local, top rated Diamond Certified companies across a wide range of service industries, from auto repair and home remodeling to optometry and dentistry.

Every Diamond Certified company must continue to deliver on its promises to you, the consumer. That’s why we conduct ongoing customer satisfaction research, perform credential-based ratings, monitor each company’s performance, and back you up with mediation and the Diamond Certified Performance Guarantee. Read more

Have you received your free copy of the 2019 Fall Diamond Certified Directory Update in the mail? It provides instant access to hundreds of local, top rated Diamond Certified companies across a wide range of service industries, from auto repair and landscaping to optometry and dentistry.

Every Diamond Certified company must continue to deliver on its promises to you, the consumer. That’s why we conduct ongoing customer satisfaction research, perform credential-based ratings, monitor each company’s performance, and back you up with mediation and the Diamond Certified Performance Guarantee. Read more

Have you received your free copy of the 2019 Summer Diamond Certified Directory Update in the mail? It provides instant access to hundreds of local, top rated Diamond Certified companies across a wide range of service industries, from auto repair and real estate to optometry and dentistry.

Every Diamond Certified company must continue to deliver on its promises to you, the consumer. That’s why we conduct ongoing customer satisfaction research, perform credential-based ratings, monitor each company’s performance, and back you up with mediation and the Diamond Certified Performance Guarantee. Read more

Since the beginning of April, the 2019 Diamond Certified Directory has been arriving at the homes and businesses of consumers throughout the Greater Bay Area. We mailed more than 800,000 directories and we’ve been thrilled with the response! (If you didn’t get your FREE copy, click here.)

We wanted to take a moment to remind you of all the great features the Diamond Certified Directory contains.

Every company listed in each county-specific directory has earned the prestigious Diamond Certified award, which means they’ve been independently rated Highest in Quality and Helpful Expertise®. Our ratings team works year-round vetting local companies. They phone past customers, verify licenses, and ensure that things like certifications and insurance are up-to-date. Read more

Have you received your free copy of the 2019 Winter Diamond Certified Directory Update in the mail? It provides instant access to hundreds of local, top rated Diamond Certified companies across a wide range of service industries, from auto repair and plumbing to optometry and dentistry.

Every Diamond Certified company must continue to deliver on its promises to you, the consumer. That’s why we conduct ongoing customer satisfaction research, perform credential-based ratings, monitor each company’s performance, and back you up with mediation and the Diamond Certified Performance Guarantee. Read more