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Merrimack Design Architects, PLLC provides comprehensive architectural services for residential, institutional and commercial clients. The practice is built on over 30 years of practical experience designing building projects and serving our clients throughout the northeast. The firm is located in the Newmarket Mills on the Lamprey River in Newmarket, New Hampshire. We listen carefully to our clients and design sensitive, contextual buildings in harmony with their immediate surroundings and regional building traditions, while creating custom tailored designs to reflect clients’ program needs. We specialize in preservation, restoration, and adaptive reuse of historic buildings when alterations and construction of new addition(s) become necessary to meet current life safety, energy, and environmental sustainability requirements, with a creative and seamless integration of old and new. Our work is grounded in architectural history, classical architectural composition and proportion, craft, and the traditional building arts, using an extensive architectural library and product resources. Our knowledge and commitment to these core principles of our practice serves the larger community with a concern for finite resources, as we firmly believe in and advocate the principles of preservation, sustainability, smart growth, and new urbanism.


55 Main Street, suite 129
Newmarket, NH 03857

Consultant Profile

Company Name: 
Merrimack Design Architects, PLLC
Contact Name: 
Gregory Colling
Contact Name: 
Gregory Colling
Firm Principals: 
Gregory Colling AIA
Additional Staff: 
Justin Williams
Registered In: 
Year Established: