Quick Summary: The top architectural design firms in the USA include Gensler, Perkins&Will, HDR, Stantec, and HKS, which dominate the market through revenue, project diversity, and innovation. These firms shape iconic skylines and lead in sustainable design, healthcare, education, and commercial spaces. Choosing the right firm depends on project type, design philosophy, and track record.
The architecture landscape in the United States continues to evolve, with firms pushing boundaries in sustainability, urban design, and technological innovation. Finding the right architectural partner can define the success of any project—from residential homes to sprawling commercial complexes.
But which firms actually lead the industry? And what sets them apart?
According to Architectural Record, Gensler and Perkins&Will have maintained the top two positions for six consecutive years. According to AIA data, architectural services employment added 300 positions in August, reflecting steady industry growth despite market challenges.
What Makes a Top Architecture Firm in 2026?
Architecture firms aren’t ranked solely by size. Revenue matters, sure—but so does design philosophy, project diversity, and innovation capacity.
The best firms share common traits: robust portfolios spanning multiple sectors, commitment to sustainable practices, and adaptability to emerging technologies like AI-assisted design. Some firms excel in residential architecture, while others dominate healthcare or commercial spaces.
Here’s the thing though—bigger doesn’t always mean better for your specific project. A firm generating hundreds of millions in revenue might not be the right fit if your needs require specialized expertise.
Top 11 Architectural Design Companies in the USA
Based on industry rankings, revenue data, and project portfolios, these ten firms lead American architecture in 2026.
1. Powerkh
Powerkh is a UK-based BIM and VDC consultancy with offices in the USA and Ukraine, supporting architectural design teams on residential, commercial, hospitality, and mixed-use projects. The company provides BIM modelling, architectural visualization, Scan to BIM, and coordination support during design and construction stages.
Their services include BIM modelling from LOD 100 to LOD 500, 3D architectural rendering, clash detection, facade modelling, and coordination between architectural, structural, and MEP systems. Powerkh also supports renovation and reconstruction projects through point cloud processing and existing conditions modelling.
The company uses Autodesk Revit, Navisworks, and BIM-based workflows to help architectural teams manage project information, improve coordination, and develop more accurate models and documentation throughout the project lifecycle.
Contact Information:
- Website: www.powerkh.com
- Email: [email protected]
- Facebook: www.facebook.com/100064039650167
- LinkedIn: www.linkedin.com/company/powerkh
- Instagram: www.instagram.com/powerkh_com
- Address: 3, Lavinia Walk, Taw Hill, Swindon SN25 1AP
- Phone: +44 7490 426678
2. Gensler
Gensler consistently ranks as the largest architecture firm in the United States by revenue. With studios spanning from San Francisco to Shanghai, the firm tackles projects across commercial, residential, hospitality, and urban design sectors.
Their portfolio includes iconic towers, innovative workplace designs, and large-scale mixed-use developments. Gensler’s embrace of AI technology and data-driven design positions them at the industry’s cutting edge.
3. Perkins&Will
For six consecutive years, Perkins&Will has held the second position among U.S. architecture firms. The firm specializes in sustainable design, with particular strength in healthcare, education, and corporate environments.
Their Beijing Performing Arts Centre exemplifies their international reach and design excellence. Perkins&Will’s commitment to LEED certification and environmental responsibility resonates with clients prioritizing green building practices.
4. HDR
HDR brings deep expertise in healthcare architecture, civic projects, and infrastructure. The firm’s multidisciplinary approach integrates architecture with engineering and planning services.
Their healthcare facilities and educational campuses demonstrate technical proficiency and human-centered design. HDR’s portfolio spans hospitals, universities, and government buildings across the nation.
5. Stantec
Stantec operates as a global design and engineering firm with substantial U.S. operations. Their integrated model combines architecture with environmental services, making them particularly strong in complex infrastructure projects.
The firm handles everything from water treatment facilities to community centers, offering clients comprehensive design-build capabilities.
6. HKS
HKS specializes in sports facilities, hospitality, and healthcare architecture. Their stadium designs have shaped the fan experience across major leagues, while their medical facilities advance patient care through thoughtful design.
The firm’s research-driven approach applies evidence-based design principles to create spaces that enhance human performance and wellbeing.
7. CannonDesign
CannonDesign focuses on healthcare, education, and commercial projects with a strong sustainability emphasis. The firm’s living design philosophy prioritizes regenerative architecture that gives back to communities.
Their work includes hospital systems, university campuses, and corporate headquarters that balance functionality with environmental stewardship.
8. AECOM
AECOM combines architecture with engineering and construction services, creating a truly integrated delivery model. The firm handles megaprojects including airports, transportation hubs, and urban master plans.
Their global reach and technical capabilities make them a go-to partner for complex infrastructure requiring multidisciplinary coordination.
9. Jacobs
Jacobs brings architecture expertise within a broader engineering and consulting framework. The firm excels in government facilities, defense projects, and critical infrastructure where security and technical requirements dominate.
Their work includes federal buildings, military installations, and specialized facilities requiring clearance and compliance expertise.
10. SmithGroup
SmithGroup operates as one of the oldest architecture and engineering firms in the United States. Their portfolio spans healthcare, science and technology, workplace, and waterfront projects.
The firm’s integrated practice model allows seamless coordination between architects, engineers, and planners from project inception through completion.
11. LPA Design Studios
LPA Design Studios earned the 2025 AIA Architecture Firm Award and ranked 28th nationally with $152 million in architecture revenue, recognizing sustained design excellence. The firm specializes in education, civic, and mixed-use projects with a strong California presence, with commitment to net-zero design and community engagement distinguishing their approach.
How Architecture Firms Are Ranked
Industry publications like Architectural Record rank firms primarily by total architecture revenue generated within the United States. This metric captures both firm size and market demand for their services.
But revenue alone doesn’t tell the complete story. Recognition through AIA awards, project innovation, and design excellence factor into reputation. The AIA Architecture Firm Award represents the profession’s highest honor, awarded annually to just one firm demonstrating sustained excellence over at least a decade.
Community discussions suggest that project fit matters more than rankings. A smaller specialized firm might deliver better results than a global giant if their expertise aligns with specific project requirements.
Trends Shaping Architecture Firms in 2026
The architecture profession faces evolving market conditions. According to the American Institute of Architects, firm billings remained soft through November 2025, with the Architecture Billings Index scoring 45.3—marking the 13th consecutive month of declining billings through November 2025, with 35 months of scores below 50 out of the last 38.
Despite billing challenges, architectural services employment continues growing. The sector added 300 positions in August according to the most recent available data.
Now, this is where it gets interesting. AI-driven design tools are transforming how firms operate. Swedish startup Endra raised $20 million in seed funding led by Notion Capital to automate mechanical, electrical, and plumbing design for commercial buildings—work that traditionally requires weeks of skilled engineering time.
Firms embracing these technologies gain efficiency advantages while maintaining design quality. Industry leaders are actively integrating AI tools into architecture practices.
Sustainability remains non-negotiable. LEED certification and green building practices have shifted from differentiators to baseline expectations. Clients increasingly demand net-zero buildings and regenerative design approaches that give back to their environments.
Choosing the Right Architecture Firm
Selecting an architecture partner requires more than reviewing rankings. Consider these factors:
- Project alignment: Does the firm have proven experience in your building type?
- Design philosophy: Do their aesthetic sensibilities match your vision?
- Scale compatibility: Will your project receive appropriate attention given their typical project size?
- Location: Does the firm understand local building codes and site conditions?
- Sustainability commitment: Do their environmental practices align with your goals?
Review portfolios carefully. Look beyond award-winning flagship projects to understand the firm’s breadth and consistency. Client testimonials and references provide insight into the working relationship and delivery track record.
That said, don’t discount emerging firms. While this list focuses on established leaders, innovative smaller practices often bring fresh perspectives and personalized attention that larger firms can’t match.
Frequently Asked Questions
Gensler holds the position as the largest architecture firm in the United States by revenue. The firm has maintained this top ranking for six consecutive years, operating studios across the country and internationally. Gensler’s portfolio spans commercial, residential, hospitality, and workplace design.
Architecture firms typically charge fees based on project scope, either as a percentage of construction costs, hourly rates, or fixed fees. Revenue rankings reflect total architectural services income generated within the United States, excluding engineering or construction revenue from diversified firms.
Perkins&Will distinguishes itself through sustained commitment to sustainable design and LEED certification. The firm consistently ranks second nationally and brings particular strength in healthcare, education, and corporate environments. Their research-driven approach and international project portfolio set them apart in the competitive landscape.
Not necessarily. Large firms offer resources, diverse expertise, and proven track records on complex projects. However, smaller specialized firms often provide more personalized attention and innovative approaches. The best fit depends on project type, budget, location, and specific requirements rather than firm size alone.
The AIA Architecture Firm Award represents the American Institute of Architects’ highest honor for architecture firms. Awarded annually to just one firm, it recognizes sustained design excellence over at least a decade. LPA Design Studios received the 2025 award, joining prestigious past recipients like Ehrlich Architects and Tod Williams Billie Tsien Architects.
Yes, leading firms are actively integrating AI tools into their practices. Meanwhile, startups like Endra are developing AI software that automates building systems design, reducing work that traditionally requires weeks down to hours. The technology is transforming efficiency while architects maintain creative control.
The Federal Reserve lowered interest rates by 0.25 basis points to a range of 3.50% to 3.75% on December 10, attempting to stimulate the economy while targeting 2% inflation. Despite rate cuts, architecture firm billings have remained stagnant, with the ABI scoring below 50 for 13 consecutive months through November 2025. This reflects broader uncertainty affecting construction and development activity.
Conclusion
The architectural design landscape in the United States offers remarkable depth and specialization. From Gensler’s global reach to LPA’s award-winning sustainable focus, each top firm brings distinct strengths to the table.
Choosing the right partner depends on understanding your specific needs, project requirements, and design vision. Revenue rankings provide a starting point, but project fit, design philosophy, and proven expertise in your building type matter more.
As the profession navigates market challenges and embraces technological change, these leading firms continue shaping America’s built environment through innovation, sustainability, and design excellence.
Ready to start your project? Research firm portfolios, review past work, and schedule consultations with firms whose approach aligns with your vision. The right architectural partner will transform your project from concept to reality.