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Integrated Architecture & Engineering Solutions
Harriman is a multidisciplinary architecture and engineering firm with a legacy of design excellence dating back to 1870. Our integrated approach combines architecture, civil engineering, electrical engineering, and other disciplines to deliver innovative, client-focused solutions. We prioritize collaboration, sustainability, and community impact, working closely with clients to create spaces that inspire and endure.

With offices in Maine, New Hampshire, and Massachusetts, our team brings over 150 years of collective experience to projects across commercial, educational, healthcare, and municipal sectors. We are committed to advancing equity and inclusivity in design while maintaining a holistic focus on environmental stewardship and technical precision.
Services
Architecture Civil Engineering Interior Design Landscape Architecture Mechanical Engineering Structural Engineering Electrical Engineering
Highlights and features
  • We offer 150+ years of combined experience in architecture and engineering.
  • Our integrated teams deliver holistic, client-focused design solutions.
  • We prioritize sustainability and environmental stewardship in every project.
  • Our collaborative process values stakeholder input and community impact.
  • We maintain a legacy of award-winning design innovation since 1870.
What people say
Transformative re-imagining of Lyseth Elementary School Excellent team of architects and planners Professional permitting process support Engaging environment for educational ideals Clear presentation of complex information
Services
Architecture
Harrimans architecture services focus on creating functional, inspiring spaces tailored to client needs. We specialize in commercial, educational, and municipal projects, combining innovative design with technical precision. Our team collaborates closely with stakeholders to ensure every structure enhances its environment while meeting sustainability goals.
Civil Engineering
Our civil engineering expertise covers site development, transportation systems, and municipal infrastructure. We deliver solutions that balance technical requirements with community impact, ensuring projects meet regulatory standards while promoting long-term resilience and environmental responsibility.
Interior Design
Harrimans interior design services create dynamic, user-centric environments for workplaces, schools, and healthcare facilities. We prioritize functionality, aesthetics, and occupant well-being, integrating sustainable materials and technologies to enhance spatial experiences.
Landscape Architecture
We design landscapes that harmonize built environments with natural ecosystems. Our approach emphasizes sustainability, accessibility, and community engagement, transforming public parks, campuses, and urban areas into vibrant, ecologically responsible spaces.
Structural Engineering
Harrimans structural engineering team ensures the safety, durability, and efficiency of every project. We employ advanced analysis tools and materials to create systems that support architectural vision while meeting rigorous performance standards for diverse building types.
People
David W. Story
Principal
David W. Story is a licensed professional engineer and LEED Accredited Professional with extensive experience in architectural and engineering projects. He leads Harrimans strategic initiatives and client relations.
James C. Fortin
Principal, Chief Operations Officer
James C. Fortin oversees Harrimans operations, ensuring efficient project delivery and resource management. With decades of engineering expertise, he drives operational excellence across all firm activities.
Mark D. Lee
Principal, Chief Executive Officer
Mark D. Lee leads Harrimans vision and growth as CEO. A licensed architect and LEED AP, he champions innovative design and sustainable practices across the firms diverse projects.
Daniel E. Backman
Principal
Daniel E. Backman specializes in architectural design and sustainability. As a LEED AP and NCARB-certified architect, he focuses on creating high-performance buildings that align with client missions.
Lisa D. Sawin
Principal
Lisa D. Sawin is a licensed architect and LEED AP BD+C professional with expertise in educational and civic projects. She leads design teams to deliver spaces that foster community engagement and learning.
Questions
What services does Harriman offer?
Harriman provides architecture, civil engineering, interior design, landscape architecture, and structural engineering services for commercial, educational, and municipal projects.
How long has Harriman been in business?
Harriman has delivered design solutions since 1870, with a legacy of over 150 years in architecture and engineering.
What areas does Harriman serve?
Harriman operates from offices in Portland and Auburn, Maine; Portsmouth, New Hampshire; and Boston, Massachusetts, serving clients across New England.
What industries does Harriman specialize in?
We specialize in commercial, educational (K-12 and higher education), healthcare, municipal, and science/technology sectors.
How does Harriman approach sustainability?
Sustainability is core to our practice. We integrate energy-efficient systems, eco-friendly materials, and resilient design principles into every project.
Can Harriman handle large-scale projects?
Yes. Our multidisciplinary teams have expertise in complex, large-scale developments including urban mixed-use spaces and campus master plans.