certified company
Based on 90 reviews
Our Certification Process
Best Pick Guarantee
Verified License(s)
Verified General Liability Ins.
Verified Workers' Comp
2nd year as a Best Pick Call
"Our goal here at Onyx is to always leave a happy and satisfied customer at the end of the project. To achieve that, we work hard with the customer on every project to understand all of their expectations. We've done our work with pleasure for more than ten years and plan to keep doing it for a lot more."

Jose Moraes | Owner
Company Information
Services Offered
Onyx Marble & Granite installs and repairs countertops in kitchens, bathrooms, bars, and outdoor kitchens and fireplaces.
Services Not Offered
The company does not perform plumbing work.
Onyx offers a three-year labor warranty and various warranties on materials.
Company History
The company has served residential and commercial customers for over 20 years.
Onyx has won two Best of Framingham awards for building supplies. The company is a member of the Marble Institute of America.
Employee Information
All company employees wear uniforms, drive marked vehicles, and undergo background checks.
Additional Information
Onyx offers granite, marble, and quartz countertops from a variety of brands.
HIC 184852
Areas Served
Greater Boston, MetroWest, North Shore, MetroWest South
A selection of 90 homeowner reviews:
“Onyx is wonderful. I liked their advice and the products they carry. I bought my granite as a big slab, and I thought their workmanship—cutting the slab and installing it—was perfect. They did a great job. I'm so pleased with it. I would grade it as an A+.”
“I liked them a lot, and they were punctual. They did a great job, and they were very cooperative with anything that I wanted. I've had a lot of compliments on my counters. I'd give them an A.”
“They were very helpful and prompt. They had good products, and they did a great job all around. I'd give Onyx all As.”
“I liked everything. It was top-notch all the way. It was an A+.”
“They were very efficient. They were on time, and their work was good. It's been over a year and a half, and it still looks great. I would give Onyx Marble & Granite an A+.”
“The work was excellent. I'd give them an A+ grade. I would recommend them highly. I already have.”
“They were great. It was excellent, no complaints, and I would highly recommend them.”
“I think what they did was, I know what they did, and it was great. It was excellent, no complaints, and I would highly recommend them.”
“They were awesome. They're an A+ company.”
“I had a positive experience. I highly recommend them.”