Longmont is one of northern Colorado’s ideal travel destinations for its unspoiled location, breathtaking views, local art scene, and various outdoor adventures. Longmont is also home to several well-known companies, including Crocs, Earth Technology, and Lucky’s Market. More than 200 international corporations have a presence in Longmont and employ more than 11,000 people, giving the city a reputation as one of the country’s most dynamic and upcoming job markets. Small enterprises are also on the rise in response to the city’s rapid growth. 

If you are looking to start or expand your business in this fast-growing city, then get to know ten of the best commercial contractors in Longmont, Colorado. These contractors were evaluated based on their extensive knowledge and expertise, and ability to deliver exceptional projects on schedule and within budget.

Golden Triangle Construction, Inc.

700 Weaver Park Road,  Longmont, CO 80501

Golden Triangle Construction, Inc. is a full-service, commercial general contractor that has completed exceptional projects throughout Longmont and nearby areas. With nearly 45 years of construction experience, its remarkable portfolio contains a good mix of negotiated and hard-bid projects, including educational facilities, retail stores and centers, medical buildings, and municipal projects. The firm was founded with the goal of providing clients with high-quality project results and outstanding customer service. In every project, the firm offers knowledge, resources, and financial stability with a personalized, hands-on approach and meticulous attention to detail. Its principals are directly involved in every project, including planning and managing the project team, methodology, schedule exposures, and budget management to ensure a streamlined project. This high level of dedication has resulted in many satisfied clients who offer a testament to the firm’s superior quality and performance. 

The firm has won several awards for its impressive portfolio, including the 2020 AGC ACE Gold Award for the General Contractor Projects $10-40M category and the 2020 ENR Regional Best Projects for Green category. The firm constructed a new, two-story 31,000-square-foot fire station complete with five pull-through apparatus bays, bunk rooms, offices, living spaces, and classroom areas for the benefit of Adams County. It features City Hall type spaces that can accommodate community events, board meetings, and private offices. Additionally, it also houses a geothermal system with natural ground temperature to transfer heat during both warm and cool seasons. Other site utilities include water, sanitary, electric, gas services, and emergency generator.  

Melton Design Build

3082 Sterling Circle, Boulder, Colorado 80301

Melton Design Build is known for its award-winning projects and outstanding designs. Since 1993, the firm has provided design and construction services for many projects, including residential remodeling, commercial and custom homes. With its unique design-build services, the firm is committed to delivering one-of-a-kind designs tailored to fit customers’ needs while staying within budget. The firm’s in-house design and construction team is dedicated to understanding a client’s vision and turning it into a reality. It utilizes cutting-edge technology, the finest material selections, and creative design techniques to ensure a seamless construction experience for its clients. From conception to completion, the firm is confident in delivering exceptional projects with high-quality craftsmanship and unsurpassed professionalism. 

Over the years, the firm has earned recognition for the outstanding quality of its work, including several features in prestigious publications such as Qualified Remodeler and Remodeling Magazine. The Front Range Anglers fly shop, located on historic Pearl Street at the foot of the Rocky Mountains in Boulder, Colorado, is one of the firm’s impressive projects. When Front Range Anglers purchased the building, Melton provided all the assistance needed to design and remodel the new location. The firm used natural, earth-toned color schemes and timber design components to give the space a rustic feel.

Deneuve Construction

2344 Spruce St. Ste B, Boulder, CO 80302

Since 1973, Deneuve Construction has established its reputation as a leader in the industry. Over the years, the firm has completed a wide range of projects along the Fort Range of Colorado, including high-rise buildings, remote mountain projects, elegant commercial retail spaces and offices, sophisticated custom houses, and historic renovations. With its exceptional reputation for quality workmanship, an experienced staff, collaborative relationships, and a dedication to excellence, the firm offers high-quality construction of any size, scale, or complexity. Its design-build and design-assist solutions are planned to provide a one-stop solution for clients and simplify the construction process. This strategy enables the firm to manage all aspects of construction to ensure that a project runs smoothly from start to finish.

In August 2017, the firm provided new construction services to Barte Restaurant Group for its first Colorado branch. The firm collaborated with Studio DH Architecture to construct Bar Taco Restaurant, which includes 4,300 square feet of enclosed space. With a capacity of 160 people, the restaurant utilizes a unique mix of Western and Spanish design elements throughout the space.

Blue Spruce Construction Services

7101 La Vista Place Suite 100, Niwot, Colorado 80503, United States

Blue Spruce Construction Services provides skilled construction management services in Longmont, Colorado, and the nearby Front Range areas for residential and commercial projects. With nearly 25 years of construction experience, the firm has proven its ability to deliver remarkable projects that consistently exceed clients’ expectations. The firm understands that building relationships based on mutual trust is the key to success. It prioritizes open communication and close collaboration with its clients, subcontractors, and trade partners throughout the project to ensure smooth progress and seamless transactions. With its expert team of craftsmen having a combined experience of 150 years, the firm is dedicated to delivering projects on time and within budget without compromising its high standards of quality.

The firm has been featured in several publications for its impressive work, including the Times-Call, Daily Camera, BizWest, Yellow Scene Magazine, and Colorado Homes and Lifestyle Magazine. One of the firm’s notable projects is a recent tenant finish for Clover Basin Animal Hospital in Southwest Longmont. The project consisted of a 2,857-square-foot build-out from core and shell that included coffered ceilings in the reception area, separate waiting areas for dogs and cats, exam rooms, a central lab area and x-ray and surgical suites. 

KCI | Krische Construction, Inc.

605 Weaver Park Road, Longmont, CO 80501

With over three decades of extensive experience, Krische Construction has earned its reputation for honesty and a commitment to excellence at a fair price. Since 1987, KCI has showcased its reliability, knowledge, and expertise to provide proactive preconstruction and construction services to its clients throughout Colorado. The firm focuses on building trustworthy relationships with its clients, designers, and trade contractors to ensure smooth progress in every project. It is committed to its goal of creating an optimized and stress-free environment that promotes open communication, collaboration, and transparency. The firm consistently approaches each project with its core values of loyalty, honesty, and integrity to deliver high-quality craftsmanship, superior professionalism, and outstanding customer service. This has resulted in many positive reviews from satisfied clients whose expectations have been exceeded. 

The firm has earned numerous prestigious awards, such as the recent 2021 Colorado Lottery, Starburst Award, and 2020 Housing Colorado Eagle Award. In 2016, the firm completed the renovation of the IDC building in Denver, Colorado. The majority of the building was demolished, and the entire structure was raised to three stories. The finished project includes ground-level, covered parking as well as retail space on all three levels.

KBC Remodeling Services

468 Westview Ct., Longmont, CO 80504

KBC Remodeling Service is a Longmont, Colorado-based contractor specializing in residential and commercial remodeling services. Founded in 1986, the firm has consistently exceeded client expectations with personalized finishes, exceptional craftsmanship, and meticulous project management. The firm has built relationships with notable subcontractors who are passionate about delivering outstanding projects. The firm handles every intricate detail of each project, ensuring no detail is overlooked from start to finish.  Its comprehensive, one-stop solution relieves clients of stress and complications, resulting in a smooth, seamless, and stress-free experience throughout the project duration. 

The firm’s excellent portfolio has been featured in several publications, including Colorado Homes & Lifestyles Magazine, Urban Homes Magazine, and Cottage Living. This featured commercial remodel is a testament to the firm’s unsurpassed quality. Avanti Medical Spa in Boulder, Colorado, underwent an interior redesign. A sleek and friendly reception and waiting area are part of this stunning transformation. The high-quality procedure rooms were also refurbished to match the breathtaking mountain views.

Milo Construction Corporation

5660 Valmont Rd. Suite A Boulder, CO 80301

Milo Construction has evolved from a small construction service company to one of the Front Range’s most dependable partners in pre-construction consulting, design-build, commercial construction, and historic renovation. The firm started out as a one-man operation but has grown into a full-blown design-build contracting firm. Its wide range of services includes predesign, design management, value engineering, estimating, and construction management. With 20 years of extensive experience under its belt, the firm is committed to delivering the highest quality services on time and within budget. It prioritises streamlining its client-focused process by offering flexibility and efficiency, inventive building solutions, and professionalism throughout the project. With its high-quality craftsmanship and outstanding customer service, the firm has earned many satisfied clients, including repeat clients and new word-of-mouth referrals. 

A perfect example of the firm’s impressive ability is this suite remodel of S&W Seed Co.’s new North America headquarters in Longmont, Colorado. The firm partnered with Advanced Planning Solutions Design and Planning to complete this project. The firm handled the project, totaling 6,262 square feet, from start to finish with close attention to detail, resulting in a sleek and sophisticated space that is functional and efficient.

Construction Concepts Inc

14125 Mead Street, Longmont, CO 80504

Construction Concepts, Inc. is a full-service commercial contractor serving northern Colorado, the Denver area, and Fort Range since 1991. The firm has been in operation for three decades, and its expert team of professionals brings a combined construction experience spanning over 50 years. It has remained committed to delivering high-quality projects with a professional and simplified building process so that every client can experience a smooth and stress-free construction process. Its passionate and dedicated team handles each project with a meticulous eye for detail, employing the best materials and creative solutions that help its clients get the most out of their budget. The firm’s diverse portfolio includes exceptional projects in diverse industries, including municipal, educational, retail, industrial, agricultural, commercial, private, and public. 

The firm is affiliated with many well-known organizations, including BBB, Southwest Weld Economic Development Group, Greeley Chamber of Commerce, Associated General Contractors of Colorado, and the Loveland Chamber of Commerce. One of the firm’s impressive projects was the construction of the Family Dollar Store located at 109 Hill St, Kersey, Colorado. The firm designed and built a functional and optimised layout to provide a more effortless flow for customers shopping at this discount chain store.

LSE Builders Group

318 Main Street, Longmont, CO 80501

LSE Builders Group is a Longmont, Colorado-based commercial construction company specializing in high-end commercial buildings. Its expertise includes new construction, tenant renovations, build-outs, and multi-use buildings The firm’s team is fully licensed, insured, and qualified. It is passionate about delivering a superior process for controlling every project’s scope, budget, and quality. In every project, the firm applies its core values of transparency, ethics, resourcefulness, long-lasting relationships, responsibility, and a solid and clear vision, all crucial to producing successful results. The firm remains committed to implementing these values in its management style to guarantee customer satisfaction. 

The Vitalife Chiropractic office located at 1020 Ken Pratt Blvd, Longmont, Colorado, is a testament to the firm’s ability to deliver projects that exceed client expectations. The firm combined traditional and rustic design elements to create a sleek and sophisticated space that is also warm and comfortable. The wooden counter serves as a textural contrast to the clean, white walls.

Rhinotrax Construction

1035 Coffman St, Longmont, CO 80501, USA

Michele Noel founded Rhinotrax Construction in October 2004 as a commercial general contracting firm based on honesty, openness, and dedication to every stakeholder. This Colorado-based company is run entirely by women, with Arizona, California, and Washington licences. The firm’s highly-qualified staff has decades of combined experience and focuses on providing openness and communication to create a smooth and seamless construction process. Over the years, it has built solid connections with architects, engineers, and designers to ensure the clients’ vision is smoothly integrated with their operational needs and requirements. The team is dedicated to producing high-quality projects that consistently exceed expectations from the initial design to the final project handover. Its impressive portfolio includes warehouse and manufacturing, higher education and municipal, interior finishes, new construction, healthcare, and transit projects. 

In this featured project, the firm provided remodeling services for Café Rio in Boulder, Colorado. With its unique blend of traditional, modern, and rustic elements, the transformed space is warm yet refined, perfect for dining and spending quality time with friends. The colorful furniture contrasts with the wooden ceilings and floors, making the area more vibrant and lively.