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Business Details
18 Years
experience
Architecture & Engineering Services in Portland, ME
Founded in 2008, Colby Co. Co. has established itself as a leading architecture and engineering firm based in Portland, Maine. Our multidisciplinary team of 70 professionals specializes in architecture, civil, structural, mechanical, electrical, and fire protection engineering, delivering innovative solutions across New England. With over 2,500 completed projects and $500 million in construction costs managed, we combine technical expertise with creative design to meet client needs. Recognized as one of Maines Best Places to Work for seven consecutive years, we prioritize collaboration, professional growth, and community impact. Our team includes 40+ registered professionals licensed across 15 U.S. states and five Canadian provinces, ensuring compliance with diverse regulatory standards.

From historic renovations to sustainable new builds, we integrate advanced engineering with artistic vision. Our commitment to excellence is reflected in high-profile projects like the West Point Gym revitalization and structural support for Smithsonian exhibitions. We maintain transparency through 100% in-house project management and continuous stakeholder engagement. Backed by 1,100+ years of collective experience, we deliver precision-driven results while fostering a respectful, inclusive workplace culture.
Services
Architecture Civil Engineering Structural Engineering Mechanical Engineering Electrical Engineering Fire Protection Engineering
Details
  • Year established: 2008
Highlights and features
  • We offer 15+ years of experience in architecture and engineering across 15 U.S. states.
  • Our team includes 40+ registered professionals with 1,100+ combined years of expertise.
  • Recognized as Maines Top 10 Best Place to Work for seven consecutive years.
  • We manage $500M+ in construction projects with 100% in-house quality control.
  • Specialize in integrating historic preservation with modern engineering standards.
Services
Architecture
Our architecture services encompass planning studies, design, and construction administration for new buildings and historic renovations. We specialize in creating functional, sustainable spaces that meet modern standards while preserving historical integrity. Clients benefit from our collaborative approach, integrating engineering expertise with artistic vision to deliver projects on time and within budget.
Structural Engineering
Structural engineering services address new constructions and renovations, including heavy industrial applications. We conduct detailed analyses to ensure safety, durability, and compliance with local regulations. Our team provides innovative solutions for complex structural challenges, from seismic retrofitting to advanced material integration, ensuring long-term performance of facilities.
Mechanical Engineering
Mechanical engineering covers HVAC, industrial waste heat recovery, and renewable energy systems. We design efficient climate control solutions tailored to specific building needs, including radiant heating and dehumidification systems. Our expertise reduces energy consumption while maintaining optimal indoor environmental conditions for commercial and industrial clients.
Electrical Engineering
Electrical engineering services include medium/low voltage distribution, emergency power generation, and alternative energy systems. We ensure reliable, code-compliant electrical infrastructure for buildings, supporting both traditional and sustainable energy needs. Our designs prioritize safety, efficiency, and scalability for diverse applications.
Fire Protection Engineering
Fire protection engineering involves risk analysis and code-compliant fire suppression systems. We design comprehensive fire alarm, smoke control, and suppression systems tailored to building occupancy types. Our solutions balance safety requirements with operational efficiency, minimizing disruptions while maximizing protection for occupants and assets.
People
Sarah Emily Colby
Founder
Sarah Emily Colby Co. Co. co-founded Colby Co. Co. in 2008, leveraging her architectural expertise to shape the firms multidisciplinary approach. With a focus on sustainable design and client collaboration, she has driven the firms growth to 70 employees while maintaining its commitment to quality and innovation.
Calen Colby
Founder, Professional Engineer
Calen Colby Co. Co., a Maine-licensed Professional Engineer, co-founded Colby Co. Co. to bridge architecture and engineering excellence. His technical leadership in mechanical and structural systems has been instrumental in securing $500M+ in construction projects, emphasizing practical solutions and regulatory compliance.
Brian Beaulieu
President, Professional Engineer
Brian Beaulieu, a licensed PE, serves as President and leads civil engineering initiatives. With expertise in site permitting and infrastructure design, he ensures projects meet environmental and municipal standards while optimizing functionality for clients across diverse industries.
Ben Townsend
President, Professional Engineer
Ben Townsend, a Maine-licensed PE, co-owns Colby Co. Co. and oversees structural engineering operations. His focus on industrial applications and renovation projects has strengthened the firms reputation for solving complex structural challenges with precision and innovation.
Elizabeth Coronado
Architectural Department Head
Elizabeth Coronado, a Registered Architect in Maine, leads architectural design efforts. Her experience in planning studies and construction administration ensures seamless transitions from concept to completion, emphasizing sustainability and client-specific needs in every project.
Questions
What services does Colby Co. Co. Co. offer?
We provide architecture, structural, civil, mechanical, electrical, and fire protection engineering services for new buildings, historic renovations, and industrial facilities.
Where does Colby Co. Co. Co. operate?
We serve clients across New England and have completed projects in 15 U.S. states and five Canadian provinces.
How experienced is Colby Co. Co. Co.'s team?
Our 70 professionals include 40+ registered engineers and architects with 1,100+ combined years of experience.
What industries does Colby Co. Co. Co. work with?
We serve government, commercial, historic preservation, and industrial clients, including projects for the U.S. Military Academy and Smithsonian Institution.
Is Colby Co. Co. Co. involved in sustainable design?
Yes, sustainability is core to our practice, integrating energy-efficient systems and materials in all project phases.