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Ganser Has The Answerfor all of your home remodeling needs

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    Over 80 Years of Craftsmanship

    Since 1939, Ganser Company has been serving the Greater Dane County area. Family Owned through 4 generations.

    Ganser Company has been a locally-owned and operated family business proudly serving the Greater Dane County area for more than 80 years. Serving Madison, Monona, McFarland, Verona, Fitchburg, Middleton, Sun Prairie, and surrounding areas for all roofing, siding, window, and repair needs. Ganser Company will bring your home’s original beauty back with timeless products, new innovation, and hands-on displays designed to let your imagination run wild!

    Ganser Has The Answer

    Being in business since 1939, there isn’t anything we haven’t seen. Between our knowledgeable sales consultants and our experienced crew, we are able to give any customer the answers to solve their problem. No project is too big, too small, or too challenging! Whether you are in need of bathroom remodeling or exterior remodeling such as roofing, siding, windows, doors, gutters, or overhangs, Ganser has the answer!

    Our Projects


    Windows Gallery


    Siding Gallery


    Roofing Gallery


    ​My wife and I want to thank you for the fine work your company did this summer when replacing our damaged roof. What started out as a relatively small project snowballed due to a vendor’s error in the materials delivered to our site…

    Jeffrey and Helen M.

    We wanted to tell you how pleased we are with our roof that you installed. From the proposal to the final nail, you and your employees did an excellent job. Marc was very knowledgeable in explaining the process, the different quality of the…

    Rob and Kim S.

    Everyone we worked with were very courteous and friendly. They answered all questions we had. We have had several people stop and tell us how good the house looks! They love the French doors when people stop in to visit…

    Duane and Kathy J.

    We were very pleased with everyone involved with the Ganser Company, from the office personnel to the estimator and the actual work crew. They were considerate about protecting our shrubs, deck, and driveway…

    Carol and John J.

    Awards & Recognitions

    Madison Area Builders Association
    National Association of the Remodeling Industry
    Infinity Award
    Infinity from Marvin
    GAF Master Elite