RNL Architecture
RNL Architecture, formerly RNL Design, was a Denver-based multidisciplinary architecture and design practice whose portfolio was acquired by Stantec in 2017.
Last updated August 24, 2026
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Overview
RNL Architecture, formerly known as RNL Design, was a Denver-based multidisciplinary design firm serving public, institutional, commercial, educational, cultural, civic, and urban-development clients. Its capabilities extended beyond conventional architecture to interior design, planning and urban design, landscape architecture, lighting design, and facilities master planning. The firm became associated with large-scale projects in Colorado and with selected national and international planning commissions. The practice originated in 1956, when John B. Rogers established a one-person Denver office under the name John B. Rogers, Architect. Rogers had studied architectural engineering at Kansas State University. His education was interrupted by three years of service in the U.S. Army during the Second World War, after which he completed his studies. He moved to Denver in 1947 and worked for Smith, Hegner and Moore before earning a bachelor of architecture degree from the University of Texas in 1951. He later earned an MBA from the University of Colorado in 1984. A major early transition came in 1961, when Rogers joined with Jerome Nagel to form Rogers Nagel Architects. In 1966, the partnership expanded again through the addition of Victor Langhart, creating Rogers Nagel Langhart Architects and Engineers. The firm's changing name reflected an evolution from a small founder-led practice into a broader professional organization combining architecture and engineering capabilities. In 2000, it acquired Klages Carter Vail and Partners, an architecture firm based in Orange County, California, adding another regional platform to its operations. RNL developed a portfolio that included prominent Colorado buildings and planning initiatives. Reported notable work included the Colorado Supreme Court Complex, Colorado History Museum, Rocky Mountain News Building, Cable Center at the University of Denver, Wellington Webb Municipal Office Building, Commerce City Civic Center, Vail Tower, The Spire, 1755 Blake Street, 1800 Larimer, and the Glendale Community College North Expansion. Its work also included the National Renewable Energy Laboratory's Research Support Facilities in Golden, Colorado, developed with SmithGroup, as well as major planning assignments such as the Shams Abu Dhabi Master Plan and a Burj Khalifa-related master plan. Sustainability and workplace design were important parts of the firm's public profile. RNL was recognized in industry coverage as one of the leading sustainable-design firms in the United States, and its work for the National Renewable Energy Laboratory was promoted as having exceptionally strong environmental performance. The firm also received recognition in interior design and workplace-related programs, including awards associated with the IIDA Southwest Chapter. Individual practitioners received professional attention as well: Tania Salgado was reported as a recipient of the AIA Young Architect of the Year award in 2009 and as a member of a Top 40 under 40 group. RNL marked its fiftieth year in 2006 and continued to be described as a significant Denver design practice during the following decade. The organization ultimately ceased operating as an independent firm after Stantec acquired its portfolio in 2017. Accordingly, RNL Architecture is best understood as a defunct professional-services brand whose projects, design legacy, and client work were absorbed into the successor's broader architecture and engineering platform.
History
RNL Architecture traces its origins to 1956, when John B. Rogers opened a one-person Denver practice called John B. Rogers, Architect. Rogers had studied architectural engineering at Kansas State University, served three years in the U.S. Army during the Second World War, and later completed a bachelor of architecture degree at the University of Texas. Before establishing his own office, he worked in Denver for Smith, Hegner and Moore. His later academic work included an MBA from the University of Colorado in 1984. In 1961, Rogers formed Rogers Nagel Architects with Jerome Nagel. Five years later, Victor Langhart joined the practice, which was renamed Rogers Nagel Langhart Architects and Engineers. These combinations expanded the firm's professional capacity and established the initials that later became associated with RNL. The firm subsequently developed a broad service model incorporating architecture, interiors, planning, urban design, landscape architecture, lighting, and facilities planning. RNL's work became particularly visible in Colorado. Its reported projects included the Colorado Supreme Court Complex, Colorado History Museum, Rocky Mountain News Building, Cable Center at the University of Denver, Commerce City Civic Center, Wellington Webb Municipal Office Building, Vail Tower, The Spire, 1755 Blake Street, 1800 Larimer, and the Glendale Community College North Expansion. The practice also worked on the National Renewable Energy Laboratory's Research Support Facilities in Golden, Colorado, in collaboration with SmithGroup. Outside Colorado, its planning work included the Shams Abu Dhabi Master Plan and a master plan associated with the Burj Khalifa. The firm expanded geographically in 2000 by acquiring Klages Carter Vail and Partners, an Orange County, California, architecture practice. During the 2000s, RNL was frequently associated with sustainable design and workplace quality. Industry coverage identified it among leading sustainable-design firms in the United States, while its National Renewable Energy Laboratory work was presented as an example of highly energy-conscious design. RNL also received recognition in interior design and workplace programs, and individual staff members gained professional awards and rankings. After more than six decades of development, RNL no longer operated as an independent practice. Stantec acquired its portfolio in 2017. The transaction ended the standalone RNL brand while transferring its accumulated projects and professional legacy into Stantec's larger architecture and engineering business.
- 2017
Portfolio acquired by Stantec
[1]Stantec acquires RNL's portfolio, after which RNL ceases operating as an independent firm.
- 2006
Fiftieth anniversary
[1]The firm marks five decades since the establishment of Rogers's original Denver practice.
- 2000
Acquisition of Klages Carter Vail and Partners
[1]RNL acquires an Orange County, California, architecture firm, extending its organizational reach.
- 1966
Victor Langhart joins the practice
[1]The firm expands into Rogers Nagel Langhart Architects and Engineers.
- 1961
Rogers Nagel Architects is formed
[1]Rogers partners with Jerome Nagel and establishes Rogers Nagel Architects.
- 1956
John B. Rogers establishes a Denver architecture practice
[1]John B. Rogers begins a one-person practice under the name John B. Rogers, Architect, creating the predecessor to RNL.
Products and positioning
A multidisciplinary architecture and planning practice emphasizing integrated design, civic and institutional work, large-scale urban development, and sustainable building performance.
Architecture · 1956
Architectural design
RNL's core service covered the design of civic, institutional, educational, commercial, cultural, and mixed-use buildings. The firm's portfolio included major Colorado landmarks and large public-sector projects, with an emphasis on integrating building form, program, site, and long-term performance.
Planning
Planning and urban design
The practice provided planning and urban-design services for districts, campuses, civic areas, and large development programs. Its reported international work included the Shams Abu Dhabi Master Plan and a master plan associated with the Burj Khalifa.
Interior design
Interior and lighting design
RNL integrated interior environments and lighting into its multidisciplinary practice. These services supported workplace, institutional, educational, and public interiors and were recognized in industry design-award coverage.
Environmental design
Sustainable design
RNL's sustainability work included the National Renewable Energy Laboratory Research Support Facilities in Golden, Colorado, developed with SmithGroup. The project became a prominent example of the firm's environmental-design positioning.
Brand decisions
2017
Transfer of the RNL portfolio to StantecM&ABackground
After operating for more than sixty years, RNL was absorbed into a larger architecture and engineering platform.
Action taken
Stantec acquired the firm's portfolio, ending RNL's independent operation.
Aftermath
RNL became a defunct standalone brand, while its projects and professional legacy moved into Stantec.
Sources1 sources
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