MGS Construction is a fully licensed and insured construction company providing all phase construction services to residential and property management customers with over 20 years of experience. We are based in Derry, NH and provide services to NH and MA. Over time, as with anything, things need to be replaced. At MGS Construction we provide services to you that will give you the peace of mind that you need when putting a remodeling investment into your home. Our knowledge, experience, and ability to provide all your design, build and construction needs and the ability to provide quality craftsmanship is second to none. MGS Construction LLC uses quality materials al all times on every project. We are a GAF certified roofing contractor and a certified Certainteed vinyl siding and roofing installer. Why is this important? Because our company is able to offer more customer incentives as well as stand behind the products installed by offering extended warranties on the materials used. Un-certified installers cannot do this and in turn make false warranty promises to their customers. Our Reputation Our reputation is one of the most important attributes our company offers to our clients. We strive to meet and exceed our customers expectations. We are known for our competitive pricing, quality installations of our projects, and also for completion of projects on time and in most cases ahead of schedule.