MA CSL 108343 | MA HIC 182015 | Phone: 508-740-9255 | Email:

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Commercial And Residential Construction Services

About Us

GSM is a commercial and residential construction and home improvement company that has been servicing New England for more than 15 years. Our company provides integrated services, including work in general contracting, construction management, exterior and interior renovation, and roofing, plumbing, and electrical work. We are big on building maintenance and helping manage commercial properties.

We bring excellent service, focus, and hard work to each of our clients. Our jobs are accomplished through honesty, consistency, and integrity. Our services and crews are nothing but professional, and we pride ourselves on that. With GSM, the client comes first. Our relationship with you is pivotal. That is why we will always fight to get you the fairest prices and the fastest service with the highest quality.

We are licensed and bonded!

One of the things we pride ourselves in at GSM is having an educated and vetted staff. Therefore, all of GSM’s contractors and crew members and contractors are licensed and bonded. Feel free to look us up using the following numbers:

Our construction supervisor license number: 108343
Our home improvement contractor number: 182015
Additionally, our GAF certification allows us to provide the ‘Golden Pledge’ warranty. This type of warranty specifically requires every part of the roof to come from GAF. It is one of the most substantial warranties in the industry; when you get a golden pledge, you know you’re getting excellent quality roofing.

Learn more about our services and prices:

Call Us: 508-740-9255

Email Us:

Hours of Operation:

M-TH 8:00AM – 6:30pm  •  F 8:00AM-6:00PM
SAT 8:00-1:00PM  •  SUN CLOSED

Phone and Email:

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