Colorado's interior design industry plays a vital role in enhancing both residential and commercial spaces. Companies in this sector offer a wide range of services, from architectural design to specialized consulting. These firms are increasingly focusing on sustainability, as eco-friendly solutions become a top priority in design projects. With a significant forward momentum in 2023, the use of technology, including visualization tools, is reshaping the way designers interact with clients. The industry is on course for growth as it adapts to new consumer demands and environmental considerations, particularly in upscale markets such as Denver and Aspen.


The interior design companies in Colorado vary significantly in size, often ranging from small firms with a handful of employees to larger organizations boasting over 200 professionals. Many are headquartered in urban centers like Denver and Boulder, established in the last 50 years. Specialized firms, such as A3 Interior Design and OZ Architecture, focus on both residential and commercial projects, while others, like Havenly, leverage technology to provide modern design solutions. This diversity reflects the state's dynamic approach to design, appealing to various client needs.


Continue reading to explore notable interior design companies in Colorado.


Top 24 Interior Design Companies in Colorado


1. Davis Partnership Architects


Davis Partnership Architects, based in Denver, Colorado, is a private architecture and design consultancy founded in 1967. The firm employs between 51 and 200 professionals and specializes in a wide array of design services, including architecture, landscape architecture, and interior design. They have built a reputation for collaborating with various sectors, such as healthcare, education, and commercial projects, to create functional and visually appealing environments. Their interior design team is committed to reflecting the unique culture of each client, ensuring that their designs are not only aesthetically pleasing but also practical. The firm has a strong emphasis on sustainability and evidence-based design, particularly in healthcare settings, which enhances their credibility in the industry. Davis Partnership Architects has not reported any funding, indicating they operate as a self-sustained entity within the competitive design market.


2. RTA Architects

  • Website: rtaarchitects.com
  • Ownership type: Private
  • Headquarters: Colorado Springs, Colorado, United States (USA)
  • Employee distribution: United States (USA) 95%, United Arab Emirates 5%
  • Founded year: 1975
  • Headcount: 11-50
  • LinkedIn: rta-architects

RTA Architects, founded in 1975 and based in Colorado Springs, Colorado, is a private architecture firm that provides architectural and interior design services. The firm primarily serves clients in the healthcare, education, and commercial sectors, focusing on creating sustainable and functional solutions tailored to the unique needs of each project. RTA Architects engages in a variety of services, including feasibility studies, master planning, and facility programming, which complement their core architectural design capabilities. Their portfolio showcases a range of projects, from healthcare facilities to educational institutions and community spaces, highlighting their commitment to enhancing the built environment. The firm prides itself on a collaborative work ethic, often working with repeat clients, which speaks to their client satisfaction and project success.


3. Architectural Workshop

  • Website: archshop.com
  • Ownership type: Private
  • Headquarters: Denver, Colorado, United States (USA)
  • Employee distribution: United States (USA) 85%, Italy 15%
  • Founded year: 1999
  • Headcount: 11-50
  • LinkedIn: architectural-workshop

Architectural Workshop, founded in 1999 by Mark Bowers, is an architectural firm based in Denver, Colorado. With a team of 27 professionals, the firm provides architectural, interior, and planning design services tailored to both residential and commercial clients. Their approach is rooted in collaboration, fostering a workshop environment that encourages creativity and problem-solving among all stakeholders involved in a project. This methodology has allowed them to consistently deliver innovative and sustainable designs that enhance the quality of life for users. Over the years, Architectural Workshop has built a robust portfolio, completing numerous projects that reflect their commitment to quality and client satisfaction. They have received various awards for their work, underscoring their impact in the architectural and interior design sectors.


4. Trio

  • Website: triodesign.com
  • Ownership type: Private
  • Headquarters: Denver, Colorado, United States (USA)
  • Employee distribution: United States (USA) 98%, Turkey 2%
  • Founded year: 1999
  • Headcount: 51-200
  • LinkedIn: designbytrio

Trio, established in 1999 and based in Denver, Colorado, is a private design firm that specializes in interior architecture and visual merchandising. The company focuses on providing comprehensive design services tailored for builders and developers, aiming to create innovative and sustainable communities. Trio's offerings include model homes, multifamily developments, active adult living spaces, clubhouses, hospitality venues, and luxury residential projects. They utilize advanced design tools such as AutoCAD, Revit, and BIM 360, ensuring precision and efficiency in their projects. The firm is also known for its commitment to community engagement and sustainability, as evidenced by their philanthropic initiatives. Trio's founder, Angela Harris, has been instrumental in shaping the firm's vision, emphasizing the transformative power of design. With a team of experts, Trio collaborates closely with industry leaders to deliver impactful design solutions that enhance the quality of life for residents and users.


5. A3 Interior Design


A3 Interior Design, also known as Associates III Interior Design, is a private interior design firm based in Denver, Colorado. Founded in 1971, the company has carved a niche in personalized and sustainable residential design. With a small team of 1-10 employees, A3 focuses on creating unique living spaces that reflect the personal styles of their clients while integrating eco-friendly practices. Their services range from full turnkey design for new constructions and renovations to space planning and consulting. A3 has worked extensively in mountain resort areas, including Vail and Aspen, and has developed a reputation for attention to detail and luxury design. The firm has been recognized in various industry publications and has received awards for its commitment to sustainability, including features in Luxe Interiors + Design and Mountain Living Magazine. A3 has also published two editions of their book, "Sustainable Residential Interiors," which underscores their dedication to environmentally responsible design practices.


6. Arch11

  • Website: arch11.com
  • Ownership type: Private
  • Headquarters: Boulder, Colorado, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1993
  • Headcount: 11-50
  • LinkedIn: arch11

Arch11 is a private architectural firm based in Boulder, Colorado, founded in 1993. With a team of 11 to 50 employees, the company specializes in modern architectural design and interior design, catering to both residential and commercial clients. Arch11 offers a comprehensive range of services, including architectural design, interior design, and project management. Their work is characterized by a commitment to creating innovative and functional spaces that enhance user experience. The firm has garnered recognition for its projects, receiving numerous awards for design and performance, which underscores its active involvement in the industry. Arch11's portfolio includes a variety of projects, from residential renovations to commercial showrooms, demonstrating their capability to adapt to different design challenges and client needs.


7. EIGELBERGER | Architecture and Design


EIGELBERGER | Architecture and Design, founded in 2015 and based in Basalt, Colorado, is a private architecture firm that offers a comprehensive range of architectural and design services. The firm specializes in interior architecture and design, emphasizing sustainable practices and contextually relevant solutions for both residential and commercial projects. With a team of 23 employees, EIGELBERGER is dedicated to providing personalized service from project inception through completion and beyond. Their portfolio showcases a variety of high-profile projects, including luxury residences and commercial spaces, indicating their capability and experience in the industry. The firm is led by Cristof Eigelberger, a licensed architect with extensive experience in high-end residential and commercial design, having previously worked with notable architectural firms. EIGELBERGER collaborates with various interior designers and contractors, further enhancing their design offerings and ensuring a high standard of quality in their projects.


8. Shears Adkins Rockmore Architects


Shears Adkins Rockmore Architects, based in Denver, Colorado, is a private architecture and design firm founded in 2002. With a team of 41 employees, the firm specializes in creating vibrant and connected spaces through architectural, interior design, and planning services. They cater to a variety of sectors, including residential and commercial projects, emphasizing sustainable and functional design solutions. The firm is known for its collaborative approach, engaging closely with clients to address their specific needs. Their portfolio includes notable projects such as the University of Denver Burwell Center for Career Achievement and Warren Village, which focuses on affordable housing. Shears Adkins Rockmore Architects has also made strides in sustainability, signing on to the AIA 2030 Commitment program, aiming for carbon-neutral buildings by 2030. Their commitment to social equity and community engagement is evident in their initiatives to support local schools and address housing challenges in Denver.


9. Duet Design

  • Website: duetdesigngroup.com
  • Ownership type: Private
  • Headquarters: Denver, Colorado, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 2011
  • Headcount: 1-10
  • LinkedIn: duet-design-group

Duet Design Group is an interior design firm based in Denver, Colorado, specializing in luxury residential and commercial spaces. Founded in 2011, the company has built a reputation for creating tailored environments that reflect the unique styles and needs of their clients. With a team led by veteran designer Devon Tobin, Duet Design offers a comprehensive suite of services, including art consultation, architectural review, and furniture and fixture selection. The firm operates primarily in Colorado, serving various locations such as Steamboat Springs, Vail Valley, Boulder, and Cherry Hills Village. Their commitment to understanding client preferences and delivering personalized design solutions has garnered them a loyal clientele and positive reviews. Duet Design's focus on both residential and commercial projects allows them to cater to a wide range of clients, from individual homeowners to businesses looking to enhance their work environments.


10. OZ Architecture

  • Website: ozarch.com
  • Ownership type: Private
  • Headquarters: Denver, Colorado, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1964
  • Headcount: 51-200
  • LinkedIn: oz-architecture

OZ Architecture, based in Denver, Colorado, has been a significant player in the architecture and interior design industry since its founding in 1964. The firm operates with a team of over 130 professionals, including architects and interior designers, who collaborate to deliver tailored design solutions. OZ Architecture focuses on various sectors, including civic, education, hospitality, and urban living, showcasing their ability to adapt to different project requirements. Their approach is rooted in sustainability and community engagement, aiming to create environments that not only meet client needs but also enhance the quality of life for users. The firm has a strong commitment to environmental stewardship, actively working to reduce the carbon footprint of their projects. With a rich history and a forward-thinking mindset, OZ Architecture continues to influence the built environment across the United States.


11. Tryba Architects

  • Website: trybaarchitects.com
  • Ownership type: Private
  • Headquarters: Denver, Colorado, United States (USA)
  • Employee distribution: United States (USA) 97%, France 3%
  • Founded year: 1988
  • Headcount: 51-200
  • LinkedIn: tryba-architects

Tryba Architects, founded in 1988 and based in Denver, Colorado, is a private architecture and design consultancy that specializes in creating sustainable and vibrant spaces. With a team of approximately 77 employees, the firm operates through a collaborative approach, focusing on architecture, urban design, and interior design. Their work is characterized by a commitment to community needs and aesthetic goals, ensuring that projects resonate with their surroundings. Tryba Architects has a rich history of involvement in significant projects, having designed, restored, and preserved over $3 billion worth of work across various sectors. Their portfolio includes notable projects like the Denver Union Station and the GoSpotCheck Headquarters, which have received national recognition. The firm emphasizes inclusivity and sustainability in its design philosophy, aiming to create environments that enhance health and well-being. Their recent accolades, including the IIDA Firm of the Year award, highlight their ongoing relevance and influence in the interior design industry.


12. Gallun Snow

  • Website: gallunsnow.com
  • Ownership type: Private
  • Headquarters: Denver, Colorado, United States (USA)
  • Founded year: 1988
  • Headcount: 11-50
  • LinkedIn: gallun-snow

Gallun Snow Associates, based in Denver, Colorado, is an interior design firm that specializes in crafting innovative spaces primarily for the healthcare, education, and community sectors. Since its inception in 1988, the company has focused on evidence-based design, ensuring that their projects enhance user experiences and meet the specific needs of their clients. As a women-owned cooperative, Gallun Snow fosters a collaborative culture among its team of 23 employees, which includes designers, project managers, and specialists in various aspects of interior design. The firm has been recognized nationally for its work, receiving multiple awards for projects that range from healthcare facilities to educational institutions. Their portfolio showcases a commitment to creating environments that support well-being and functionality, with projects extending from California to Florida. Gallun Snow's dedication to quality and innovation positions them as a significant player in the interior design industry.


13. Havenly

  • Website: havenly.com
  • Ownership type: Venture Capital
  • Headquarters: Denver, Colorado, United States (USA)
  • Employee distribution: United States (USA) 88%, Mexico 9%, Romania 3%
  • Latest funding: December 2021
  • Founded year: 2014
  • Headcount: 51-200
  • LinkedIn: havenly

Havenly is an interior design service based in Denver, Colorado, established in 2014. The company specializes in providing tailored design solutions through both online and in-person consultations. Clients can engage with professional designers who help them enhance their living spaces according to their personal style and budget. Havenly's platform allows users to take a style quiz, which matches them with a designer suited to their preferences. The company has completed over 100,000 designs, showcasing its extensive experience in the field. Additionally, Havenly sources products from over 100 home brands, ensuring that clients have access to a wide range of decor options. This combination of personalized service and a curated shopping experience has made Havenly a notable player in the interior design industry.


14. Forum Phi

  • Website: forumphi.com
  • Ownership type: Private
  • Headquarters: Aspen, Colorado, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 2006
  • Headcount: 11-50
  • LinkedIn: forum-phi

Forum Phi is an architecture and interior design firm located in Aspen, Colorado, with additional offices in Carbondale and Denver. Established in 2006, the firm specializes in crafting exceptional spaces tailored to the needs of homeowners and property developers. Their service portfolio includes architectural design, interior design, and land planning, allowing them to guide clients through every phase of the design process. Forum Phi has received recognition for its work, including features in prominent publications and awards such as the Luxe 2023 Gold List Honoree. The firm is committed to creating spaces that resonate with clients' visions while ensuring functionality and aesthetic appeal. With a team of skilled professionals, Forum Phi continues to influence the design landscape in Colorado and beyond.


15. Inside Stories


Inside Stories is an interior design firm based in Littleton, Colorado, specializing in both residential and commercial design services. Established in 2014, the company has grown to a team of 17 employees, focusing on enhancing environments through professional design expertise. Their offerings include space planning, furniture selection, and micro design services, which cater to a wide range of client needs. Inside Stories serves homeowners and businesses primarily in the Denver area, providing tailored design experiences that reflect individual styles and functional requirements. The firm emphasizes a unique design process that combines the strengths of larger firms with the personalized touch of smaller operations. This approach allows them to deliver high-quality design solutions while maintaining flexibility in budget and timelines. Their commitment to customer service and innovative design strategies positions them as a relevant player in the interior design industry.


16. Ruggles Mabe Studio


Ruggles Mabe Studio is an architecture and interior design firm based in Denver, Colorado, established in 1970. The company specializes in creating personalized and functional spaces for a variety of clients, offering services that include architectural design, interior design, hand sketches, and renderings. With a team of 16 employees, they have successfully completed over 1,000 projects across residential and commercial sectors. The firm is known for its collaborative approach, where architects and interior designers work closely together to ensure cohesive designs. Their commitment to understanding client needs and preferences has allowed them to build strong relationships and deliver tailored solutions. Ruggles Mabe Studio has expanded its reach beyond Colorado, serving clients in multiple states and countries, which highlights their relevance in the interior design industry.


17. Kimberly Timmons Interiors - KTI

  • Website: ktinteriors.com
  • Ownership type: Private
  • Headquarters: Denver, Colorado, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1997
  • Headcount: 11-50
  • LinkedIn: kt-interiors

Kimberly Timmons Interiors - KTI is a private interior design firm based in Denver, Colorado, with a workforce of approximately 29 employees. Since its inception in 1997, KTI has specialized in hospitality, interior merchandising, and luxury residential design. The firm caters to a variety of clients, including hotel owners, home builders, and affluent homeowners, providing customized design solutions that enhance both functionality and aesthetics. KTI operates three design studios that collaborate to share insights and expertise, resulting in innovative and effective design outcomes. The firm has been recognized with over 100 awards, showcasing their excellence in design across various projects. Additionally, KTI offers procurement and warehousing services, ensuring a seamless execution of projects from concept to completion. Their commitment to community involvement is evident through initiatives like KTI Cares, which supports local organizations and charitable efforts.


18. Possibilities for Design


Possibilities for Design is an interior design firm based in Denver, Colorado, founded in 1982. The company specializes in model home merchandising and the design of public spaces, working closely with builders and developers to create environments that enhance market appeal. With a dedicated team of around 27 employees, they have built a reputation for delivering innovative and thoughtful designs that resonate with potential homeowners. Over the years, Possibilities for Design has garnered over 300 awards, showcasing their excellence in the field. Their projects span across North America, and they are known for their ability to create spaces that not only meet aesthetic standards but also align with the functional needs of their clients. The firm prides itself on its collaborative approach, ensuring that each design reflects the desires of both builders and future homeowners. Their commitment to continuous learning and adaptation to market trends further solidifies their position in the industry.


19. CCY Architects

  • Website: ccyarchitects.com
  • Ownership type: Private
  • Headquarters: Basalt, Colorado, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1971
  • Headcount: 11-50
  • LinkedIn: cottle-carr-yaw-architects

CCY Architects is an architecture firm based in Basalt, Colorado, founded in 1971. The firm specializes in innovative architectural and interior design services, focusing on creating spaces that are both functional and visually appealing. Their work often reflects a deep connection to the natural environment, aiming to enhance community engagement through thoughtful design. CCY Architects has worked on a variety of projects, including residential homes and community-focused facilities, demonstrating their versatility in the industry. The firm has received recognition for its design excellence, including awards from the American Institute of Architects and other prestigious organizations. Their collaborative approach fosters creativity and innovation, making them a notable player in the architectural and interior design sectors.


20. Studio 10 Interior Design


Studio 10 Interior Design is a private interior design firm based in Denver, Colorado, founded in 2008. With a small team of 1-10 employees, the firm has carved out a niche in creating unique and functional spaces across multiple sectors, including multifamily housing, hospitality, commercial environments, and residential projects. The company prides itself on its comprehensive design services, which guide clients from the initial concept through to the final installation. Their approach emphasizes clear communication and collaboration with clients to ensure that each project reflects individual styles and needs. Studio 10 has built a reputation for delivering projects on time and within budget, which is crucial in the competitive design industry. Their portfolio showcases a variety of completed projects, highlighting their versatility and commitment to quality. The firm has also been recognized with awards, further solidifying its standing in the interior design community.


21. In-De Interior Architecture and Design


In-De Interior Architecture and Design, based in Denver, Colorado, is a private firm specializing in interior architecture and design. Founded by Sarita Krishnamurthy in 2012, the company focuses on creating luxurious and personalized living spaces that reflect the unique lifestyles of their clients. They offer a range of services, including tailored interior architecture, exclusive design consultations, and a collection of artisan-crafted home decor products. The firm has worked with a variety of clients, from homeowners seeking a sanctuary to builders aiming to set new standards in luxury living. In-De has been recognized in the industry, notably winning the 2015 Best of Houzz Award, which underscores their commitment to excellence and innovation in design. Their approach combines aesthetic beauty with functionality, ensuring that each project is not only visually appealing but also practical for everyday living.


22. 505Design at Cooper Carry

  • Website: 505design.com
  • Ownership type: Private
  • Headquarters: Boulder, Colorado, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 2005
  • Headcount: 11-50
  • LinkedIn: 505designinc

505Design at Cooper Carry, founded in 2005 and based in Boulder, Colorado, operates as a private architecture and design firm. The company specializes in a range of services, including architecture, interior design, landscape architecture, and urban planning. They cater to various sectors, including businesses, educational institutions, and government entities. Their approach emphasizes innovative and sustainable design solutions that meet the specific needs of their clients. The firm has a dedicated interior design studio that focuses on creating functional and aesthetically pleasing environments. Their portfolio reflects a commitment to quality and a thoughtful approach to design, with projects that highlight their expertise in both new constructions and adaptive reuse of existing spaces.


23. PROJEX Inc.

  • Website: projex-inc.com
  • Ownership type: Private
  • Headquarters: Denver, Colorado, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 2017
  • Headcount: 11-50
  • LinkedIn: projex-inc.

PROJEX Inc., founded in 2017 and based in Denver, Colorado, is a private company that specializes in furniture and architectural products tailored for commercial spaces. With a team of 28 employees, they focus on delivering high-quality solutions through collaboration with architects, interior designers, and project managers. Their services include project planning, execution, and ongoing support, ensuring that each project meets the specific needs of their clients. PROJEX has built a reputation for excellence, having been recognized as one of Denver's Best Places to Work and a finalist in the Fast 50 for fastest-growing private companies. Their portfolio includes work for prominent clients such as Google, showcasing their capability and commitment to the industry. The company has expanded its operations to Seattle, reflecting its growth and ambition in the market.


24. Bari

  • Website: bariarchitecture.com
  • Ownership type: Private
  • Headquarters: Denver, Colorado, United States (USA)
  • Employee distribution: Italy 40%, United States (USA) 20%, France 10%, Other 30%
  • Founded year: 2012
  • Headcount: 1-10
  • LinkedIn: bari

Bari Architecture, founded in 2012 and based in Denver, Colorado, is a private architecture firm that specializes in custom residential and boutique commercial projects. The firm offers a comprehensive range of services, including architectural design, planning, and construction administration. Their work is characterized by a modernist aesthetic with minimalist sensibilities, aiming to create a seamless connection between nature, architecture, and interior spaces. Bari's team, led by founding partners Bonnie Sen and Tom Milavec, emphasizes collaboration and a personalized approach to each project. They have worked on notable projects such as the Winter Park Residence and the Cherry Creek Townhome Renovation, showcasing their ability to blend innovative design with functional living spaces. The firm is committed to sustainability and wellness, integrating ethical green design solutions into their projects. With a small team size of 1-10 employees, Bari maintains a focused and hands-on approach to their work, ensuring that each project receives the attention it deserves.



Interior Design Insights: Key Companies in Colorado


CompanyHeadquarterSizeFoundedOwnership
Davis Partnership ArchitectsDenver, Colorado, United States (USA)51-2001967Private
RTA ArchitectsColorado Springs, Colorado, United States (USA)11-501975Private
Architectural WorkshopDenver, Colorado, United States (USA)11-501999Private
TrioDenver, Colorado, United States (USA)51-2001999Private
A3 Interior DesignDenver, Colorado, United States (USA)1-101971Private
Arch11Boulder, Colorado, United States (USA)11-501993Private
EIGELBERGER | Architecture and DesignBasalt, Colorado, United States (USA)11-502015Private
Shears Adkins Rockmore ArchitectsDenver, Colorado, United States (USA)11-502002Private
Duet DesignDenver, Colorado, United States (USA)1-102011Private
OZ ArchitectureDenver, Colorado, United States (USA)51-2001964Private
Tryba ArchitectsDenver, Colorado, United States (USA)51-2001988Private
Gallun SnowDenver, Colorado, United States (USA)11-501988Private
HavenlyDenver, Colorado, United States (USA)51-2002014Venture Capital
Forum PhiAspen, Colorado, United States (USA)11-502006Private
Inside StoriesLittleton, Colorado, United States (USA)11-502014Private
Ruggles Mabe StudioDenver, Colorado, United States (USA)11-501970Private
Kimberly Timmons Interiors - KTIDenver, Colorado, United States (USA)11-501997Private
Possibilities for DesignDenver, Colorado, United States (USA)11-501982Private
CCY ArchitectsBasalt, Colorado, United States (USA)11-501971Private
Studio 10 Interior DesignDenver, Colorado, United States (USA)1-102008Private
In-De Interior Architecture and DesignDenver, Colorado, United States (USA)1-102012Private
505Design at Cooper CarryBoulder, Colorado, United States (USA)11-502005Private
PROJEX Inc.Denver, Colorado, United States (USA)11-502017Private
BariDenver, Colorado, United States (USA)1-102012Private


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