Best Architecture Firms in St. Louis

With over 40 years of experience, Gray Design Group combines architectural, interior, planning, branding, and graphic design to create dynamic environments for commercial, educational, hospitality, corporate, religious, and workplace settings. Clients appreciate the team’s creativity, professionalism, and responsiveness throughout each project.

Focusing on innovative design and social impact, CannonDesign blends architecture, strategy, and engineering to help communities and organizations improve health, equity, and sustainability. Their services include architectural experimentation, strategic consulting, and facilities management. Clients appreciate the team’s creativity and forward-thinking approach.

Focused on creating spaces that balance historic character with modern design, Killeen Studio Architects offers full architectural and interior design services for developers, homeowners, and businesses. The team provides clear communication and stays involved throughout each project, with clients appreciating their responsiveness and thoughtful approach to budgets.

Ad:Arch specializes in innovative architectural design for residential, commercial, and retail projects, drawing on experience since 2006. The team is known for being knowledgeable and helpful, often working closely with clients to create functional, inviting spaces. While one review noted a delay with plans, most customers appreciate their professionalism and care.

Arcturis focuses on creating innovative architectural and interior designs with a team that values diversity and creativity. They offer design services that shape spaces, brands, and places, attracting professionals who want to contribute to a growing studio. Clients appreciate the distinctive designs, though some feel there’s room for improvement.

MIN+ Architecture specializes in site-specific design solutions for ground-up and rehab projects in St. Louis and San Francisco. Their work spans residential, retail, and mixed-use spaces, often blending modern and historical elements while supporting local suppliers. Clients appreciate their thoughtful approach and collaborative process, though projects can involve detailed coordination.

With over six decades of experience, PGAV specializes in creating thoughtfully designed spaces that support learning, work, and play. Their services range from community planning to large-scale theme park master plans, focusing on projects that adapt to evolving needs. Clients appreciate their creative approach and emphasis on long-term usability.

With experience across more than twenty states since the 1980s, this firm offers architectural, interior design, and engineering services tailored to client needs. Their team emphasizes collaboration and open communication, helping clients feel comfortable throughout the process. Some projects benefit from early contractor involvement to manage costs effectively.

HOK is an international architecture and design firm known for creating buildings that respond thoughtfully to both people and their environment. Their services span planning, engineering, and architecture, with experience in commercial, government, and healthcare projects. Clients appreciate the firm’s technical skill and collaborative approach, though some projects can be complex due to their… more...

HOK is an international architecture and design firm known for creating buildings that respond thoughtfully to both people and their environment. Their services span planning, engineering, and architecture, with experience in commercial, government, and healthcare projects. Clients appreciate the firm’s technical skill and collaborative approach, though some projects can be complex due to their scale.

Over 5,000 of our projects have resulted in learning spaces that are conducive to education, work, recreation, health, and housing. Our 120-year-old history has been centered on schools, but we are now focusing our efforts to provide solutions for all markets using our combined expertise and design thinking. Our innovative service model provides our clients access to a global network of more than… more...

Over 5,000 of our projects have resulted in learning spaces that are conducive to education, work, recreation, health, and housing. Our 120-year-old history has been centered on schools, but we are now focusing our efforts to provide solutions for all markets using our combined expertise and design thinking. Our innovative service model provides our clients access to a global network of more than 100 professionals. To accomplish this, Ittner has aligned our resources with Cordogan-Clark Architects, making available an extensive network of professionals across all service categories including architecture, mechanical-electrical-plumbing engineering, structural engineering, and more. Each client is unique and we listen to them carefully, identifying the nuances that make great design. These nuances allow us to offer our clients a world of possibilities. Then, we transform thought and spaces into new dimensions and focal points. We are focused on optimizing experience and performance through intelligent design. Our designs are designed to provide an environment that is conducive for everyone, regardless of age.