Meta All Microsites Pixel

The Best Architectural Firms in Denver, Colorado

8 Min Read
Project by HMH Architecture + Interiors

Denver is a dynamic and diverse city with a thriving economy driven by technology, finance, health care, and tourism industries. It is an attractive destination for businesses looking to expand or relocate. The city also offers its residents a high quality of life, with a wide range of cultural and recreational activities, world-class museums, galleries, music venues, and numerous parks and outdoor recreational areas. Denver’s strong economy, excellent infrastructure, and high quality of life make it an ideal location for commercial and residential properties. This list includes Denver, Colorado’s eight best architectural firms.

OZ Architecture

3003 Larimer St., Denver, CO 80205

Since its founding in 1964, OZ Architecture has provided a full range of architectural, planning, and interior design services to clients across the United States and internationally. It prides itself on integrating its professionals’ broad experience, varied disciplines, and diverse backgrounds to encourage originality across projects, practices, and client cultures. The company’s varied project experience includes everything from resorts and mixed-use developments to corporate and multi-tenant offices, high-tech and medical research facilities, and civic buildings of all types.

OZ Architecture has also designed educational environments for preschool, K-12, and higher education, including classrooms, labs, cafeterias, student centers, and dormitories. With a commitment to creativity and diverse project experience, OZ is well-positioned to provide its clients with exceptional architectural, planning, and interior design services.

4240 Architecture, Inc.

3507 Ringsby Ct., Suite 117, Denver, CO 80216

Based in Denver’s RiNo neighborhood, 4240 Architecture is a mid-sized firm that takes great pride in its design ingenuity, client service, and memorable outcomes. With an emphasis on uncovering site-specific, economically feasible, and culturally sensitive designs, 4240 utilizes a charrette-based process to create projects its clients truly inspire. The firm’s portfolio includes a diverse range of project types, such as mixed-use urban infill, multi-family residential, commercial office, active senior living, higher education, resort, and hospitality.

With its commitment to client satisfaction and a focus on creating original designs, 4240 Architecture has established itself as a leading force in the Denver architectural community. Matt Cecere is among the company’s managing principals. He is a LEED-AP and a member of the American Institute of Architects.

UNUM collaborative

1490 N Lafayette St., Suite 408, Denver, CO 80218

UNUM collaborative is a team of passionate designers, architects, makers, and doers who believe in the power of collective thinking. It understands that great design comes from collaboration and strives to offer its clients a full-service architecture and interior design experience that prioritizes craft, construction, and emerging fabrication techniques. UNUM collaborative has a solid commitment to its clients and the community it serves. It takes a design-forward approach that puts its client’s needs first while providing socially driven and reliable economic solutions.

With a focus on creativity, UNUM collaborative aims to help its clients achieve their goals while positively impacting the world around them. Adam B. Steinbach and Jim Pfeiffer are at the helm of the company. They bring over 30 years of combined experience in the construction industry.

Arrow B Architecture

6464 S. Quebec St., Suite 200, Centennial, CO 80111

Arrow B Architecture is a boutique design firm that prides itself on delivering honest, respectful, and creative architecture and interior design solutions. With a focus on commercial, brewery, restaurant, hospitality, and residential markets, Arrow B puts client needs first and seeks to solve design, technical, and code-related challenges with simple and realistic solutions. The team at Arrow B adheres to codes of ethics and standards of practice established by the American Institute of Architects.

The company consistently delivers exceptional results that exceed expectations by maintaining solid relationships with clients, contractors, consultants, and municipalities. Whether it’s designing a modern office space or a cozy restaurant interior, Arrow B’s team of experienced professionals creates functional and aesthetically pleasing environments that stand the test of time.

KGA Studio Architects

3881 Steele St., Suite 1132, Denver, CO 80205

Based in Denver, Colorado, KGA Studio Architects is a residential architectural studio that is nationally recognized for its community-based design approach. With a wealth of experience and expertise, KGA Studio Architects can drive original work in all aspects of residential architecture, from high-end remodels to land planning. Since its founding in 1977, KGA Studio Architects has completed numerous projects across the United States, ranging from luxury custom homes to multifamily buildings. The company has a strong track record of design excellence and collaborative partnerships, earning it a national reputation.

Clients are consistently inspired by the company’s work and return time and time again for their architectural needs. Paul Mahony, AIA, leads the firm’s award-winning custom design studio. Paul’s design philosophy is rooted in the belief that the best design is one that serves the client.

Semple Brown Design

1160 Santa Fe Dr., Denver, CO 80204

For four decades, Semple Brown Design has been a leading architecture and interior design firm in the Rocky Mountain Region, offering comprehensive design solutions that cater to clients from diverse backgrounds and industries. With a collaborative and responsive approach to design, the firm has earned over 80 regional and national design awards for its open-minded approach. Semple Brown Design’s portfolio of work has been featured in over 30 design publications, highlighting the firm’s exceptional design capabilities.

With a team of 21 professionals, including eight licensed architects in Colorado and six LEED Accredited Professionals, Semple Brown Design has delivered exceptional design solutions that exceed clients’ expectations. The firm is affiliated with numerous organizations, including the American Institute of Architects, the Denver Architecture Foundation, and the US Green Building Council.

HMH Architecture + Interiors

1701 15th St., Suite B, Boulder, CO 80302

HMH Architecture + Interiors has provided full-service architecture and design solutions for three decades. With a portfolio spanning high-end custom homes, renovations, workplaces, restaurants, and retail environments, the company is recognized for its creativity, collaborative approach, and attention to detail. Its commitment to longevity, efficiency, and delight is consistently reflected in its work. The team at HMH Architecture + Interiors understands that each project is unique, and it draws inspiration from the collaborative process between client and designer.

Whether clients want to create a dream home or a functional workspace, the team at HMH Architecture + Interiors has the expertise and passion for bringing their visions to life. Harvey Hine, founding partner and managing partner at HMH Architecture + Interiors, has overseen the design of 400+ projects throughout his career.

Bonsai Design Build

2931 W. 25th Ave,. #202, Denver, CO 80211

Bonsai Design Build is a Colorado-based architecture firm and general contractor specializing in sustainable, high-performance residential and commercial design. The company is registered as an architect in Colorado. It has a residential contractor’s license in several cities and counties, including Denver, Wheat Ridge, Lakewood, Arvada, Greenwood Village, and Jefferson County. As a fully insured firm, Bonsai Design Build offers professional errors, omissions, and general liability coverage for its design and build practices.

With a focus on sustainability, the firm aims to create environmentally responsible designs that promote energy efficiency and a healthy living environment. Whether it’s a residential or commercial project, Bonsai Design Build has the expertise and experience to provide clients with top-notch design and build services that prioritize sustainability, functionality, and aesthetic appeal.


  • Shahe Demirdjian

    Shahe is an Editor at Denver Architects with around four years of experience as a writer and editor in the construction space. Shahe has always had a huge interest in commercial/residential construction and real estate. On top of his experience at Home Builder Digest, he has two years of experience as a Construction Partner Specialist at BuildZoom and six years of experience as a licensed real estate agent. In his work, he takes advantage of his expertise to take complex technical jargon from those realms and transform them into accessible, engaging content, blending his business administration expertise with a degree from Arizona State University with his experiential insights.  Expertise: Architecture, Home Design and Build, Home Remodeling Key Highlights: Arizona Real Estate - Licensed Salesperson  Education: Arizona State University, Bachelors in Business Administration