GJM Construction & Maintenance

Quality for service: this is what you get when you enlist the help of GJM. Owner Guy Macauda started this business 20 years ago with the goal of providing exceptional service 24 hours a day, seven days a week. We continue that goal today as a full-service company specializing in commercial power washing, power sweeping, general maintenance and snow removal. We consistently go above and beyond the expectations of our clients, putting communication and efficiency at the forefront of all our contracts.

We firmly believe a company should stick to what it knows and do the very best job possible. That’s the mindset we embody here at GJM. We keep it simple, specializing in a few main services while providing comprehensive attention to detail, timeliness, efficiency and professionalism.

We specialize in the following services for commercial clients throughout Massachusetts and New Hampshire, as well as national companies:
Backed by two decades of experience, you can trust our family owned and operated business to deliver on promises of honest, hard work no matter what the season. And thanks to our focus on maintaining open lines of communication, you can rest assured we will address your concerns before they become problems. We welcome the challenge!

From blizzards to graffiti, we know situations happen that are out of your control. That’s why you can rely on us for 24/7 service when issues need to be addressed right away. For everything else, we offer daily, weekly or monthly scheduled services for your peace of mind.

Call GJM today at 603-216-9284. We look forward to partnering with you for all your commercial exterior maintenance needs.


111 Hillside Avenue
Londonderry, NH 03053


Email: info@gjmpowersweeping.com

Phone: +1 (603) 216.9284

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