The United States is home to some of the best architects in the world. Shaping the skyline with everything from iconic skyscrapers to community-driven designs. Across the country, architecture firms push the boundaries of design innovation—merging art, science, and sustainability. Whether you’re exploring the historic charm of the East Coast or the modern minimalism of the West. America continues to be a leader in groundbreaking architecture.
From New York to Seattle and Chicago to Los Angeles, these architecture firms are redefining the built environment. They not only create stunning spaces but also influence how people live, work, and interact. This list spotlights the 15 best architects and firms leading the charge in innovation, sustainability, and forward-thinking design.
1. Skidmore, Owings & Merrill (SOM)
SOM is one of the most influential architectural firms globally, with a legacy spanning over eight decades. Known for their pioneering work in skyscraper design, SOM blends cutting-edge engineering with visionary architecture. The firm has shaped iconic landmarks like the Burj Khalifa, One World Trade Center, and the Willis Tower. Their interdisciplinary approach integrates sustainability, urban planning, and advanced building technologies. SOM’s global network operates with a strong focus on climate resilience, zero-carbon buildings, and equitable urbanism—placing them firmly among the best architects in the world.
2. Olson Kundig
Founded in 1966 in Seattle, Olson Kundig bridges the gap between architecture and nature. Co-led by Tom Kundig and Jim Olson. The firm is widely recognized for its inventive approach to materiality and mechanical ingenuity. Often incorporating dynamic features like sliding walls or kinetic facades. Their designs span residential, cultural, commercial, and spiritual spaces across the globe. Sustainability is at the core of their process, with projects often rooted in natural contexts. The studio’s work exudes a balance between rough and refined, rational and emotional, making Olson Kundig one of America’s best architectural storytellers.
3. Perkins & Will
A pioneer in sustainable and research-driven design, Perkins & Will is a global architecture and design firm founded in 1935. With studios worldwide, the firm focuses on human-centric, high-performance environments across sectors like healthcare, education, and civic infrastructure. They have led initiatives in climate-resilient design and are early adopters of net-zero carbon strategies. Their open innovation platforms—like the Living Design Lab and Transparency portal—ensure constant research and development. As one of the best architects prioritizing people and the planet, Perkins & Will continues to push the envelope in ethical and inclusive design.
4. Gensler
Gensler is the largest architecture firm globally, founded in 1965 and headquartered in San Francisco. The firm’s vast portfolio includes workplaces, airports, urban planning, and retail environments. With over 50 offices worldwide, Gensler’s design ethos revolves around enhancing the human experience through space. Their innovative research, such as the Workplace Performance Index, allows data-driven design that improves functionality and wellness. They lead the way in designing resilient, equitable environments with a strong commitment to sustainability. Gensler stands out as one of the best architects in creating spaces that shape modern culture and commerce.
5. VQ Design PLLC
A recognized leader in Performance Engineering Architecture (PEA), VQ Design PLLC stands as an innovator among the most advanced and forward-thinking design firms in the United States. Renowned for uniting precision engineering with aesthetic innovation, the firm specializes in sustainable, high-performance buildings that are as functional as they are visually compelling. As pioneers in PEA, VQ Design offers deep expertise in performance modeling, climate-responsive strategies, and human-centered design. From residential homes to civic infrastructure, and next-generation workplaces, VQ Design delivers future-ready architecture grounded in functional integrity and environmental responsiveness.
6. Steven Holl Architects
Steven Holl Architects is a globally recognized architectural firm founded by Steven Holl, a visionary known for his poetic use of light, geometry, and space. With offices in New York City, Rhinebeck (NY), and Beijing, the firm has developed a unique design language that harmonizes materiality with conceptual depth. Projects like the Nelson-Atkins Museum of Art expansion and the Linked Hybrid in Beijing showcase their philosophy—architecture as a bridge between sensory experience and innovation. Holl’s work is deeply rooted in phenomenology, crafting spaces that evoke emotion and engagement. Their approach continues to inspire students and professionals worldwide, placing them among the best architects pushing artistic boundaries in architecture.
7. Kohn Pedersen Fox Associates (KPF)
KPF is a global leader in high-performance, large-scale architecture, renowned for designing some of the tallest and most technically advanced skyscrapers worldwide. Founded in 1976, KPF has completed iconic projects such as the Shanghai World Financial Center, Hudson Yards in NYC, and Lotte World Tower in Seoul. Their design philosophy merges functionality, sustainability, and urban integration. KPF’s global presence and commitment to smart urban growth make them a go-to firm for large-scale commercial, institutional, and cultural projects. With a forward-thinking team and an eye for innovation, KPF remains one of the best architects redefining the modern skyline.
8. HOK
HOK (Hellmuth, Obata + Kassabaum) is a multidisciplinary design powerhouse with a deep focus on sustainability, wellness, and technological advancement. Founded in 1955 in St. Louis, HOK now operates across the globe with over 1,700 employees. Their work spans sports venues, airports, hospitals, and urban design. Notable projects include Mercedes-Benz Stadium in Atlanta and Dubai Expo 2020’s U.S. Pavilion. HOK emphasizes design rooted in scientific research and environmental responsibility. By fusing art, science, and future-proof design strategies, HOK continues to be one of the best architects influencing cities and communities on a global scale.
9. ZGF Architects LLP
ZGF Architects is a Portland-based architecture and design firm celebrated for its commitment to sustainability, health-focused environments, and regenerative design. Founded in 1942, ZGF operates out of seven North American offices, shaping urban campuses, civic centers, and healthcare facilities. Their approach centers on designing buildings that integrate seamlessly with the environment and promote well-being. Notable works include the NIH Porter Neuroscience Research Center and the Amazon headquarters in Seattle. With a deep respect for context and community, ZGF’s thoughtful and future-oriented approach earns them a place among the best architects practicing human-centered design.
10. Gehry Partners
Led by the legendary Frank Gehry, Gehry Partners is synonymous with bold, deconstructivist architecture that challenges norms and redefines aesthetics. Founded in 1962 and based in Los Angeles, the firm is behind some of the world’s most iconic buildings—like the Guggenheim Museum in Bilbao, the Walt Disney Concert Hall, and Fondation Louis Vuitton. Gehry’s process is intensely collaborative, ensuring that each project is shaped through close dialogue with clients. Known for sculptural forms and radical materials, Gehry’s work continues to inspire awe and debate, cementing his firm as one of the best architects redefining the artistic boundaries of built space.
11. Weiss/Manfredi
Weiss/Manfredi is a trailblazing interdisciplinary architecture and design firm based in New York, co-founded by Marion Weiss and Michael Manfredi. Known for seamlessly integrating architecture, landscape, infrastructure, and art, the studio creates spaces that are bold, purposeful, and deeply contextual. Their work often addresses the intersection of urban life and nature, with notable projects like the Brooklyn Botanic Garden Visitor Center and Hunter’s Point South Waterfront Park. Each project reflects their dedication to clarity, spatial drama, and ecological awareness. Recognized with numerous design accolades, Weiss/Manfredi remains one of the best architects combining civic engagement with iconic contemporary forms.
12. Rockwell Group
Founded in 1984 by David Rockwell, Rockwell Group is an award-winning, interdisciplinary architecture and design firm headquartered in New York, with offices in Los Angeles and Madrid. The firm is best known for its innovative and experiential approach to hospitality, entertainment, and cultural design. From Nobu restaurants to the set of the Academy Awards, their work spans architecture, interior design, product design, and theater. Rockwell’s projects are immersive and rooted in storytelling, aiming to evoke emotional resonance. This creativity and versatility have made the firm one of the best architects in the field of experiential design and branded environments.
13. Feldman Architecture
Based in San Francisco, Feldman Architecture is a boutique studio that specializes in warm, modern, and sustainable residential and commercial design. Founded in 2003 by Jonathan Feldman, the firm is known for crafting architecture that sits gently on the land, embracing natural light and environmental sensitivity. Signature projects include award-winning homes such as the Butterfly House and Caterpillar House, both exemplifying their philosophy of minimal intervention and maximum harmony with the environment. Their site-specific, soulful designs have placed them among the best architects for modern, environmentally responsible homes in California and beyond.
14. Perkins Eastman
Perkins Eastman is a global architecture and urban design firm based in New York City, founded in 1981 by Bradford Perkins and Mary-Jean Eastman. With more than 1,000 professionals across 17 offices worldwide, the firm is known for its expertise in education, healthcare, senior living, and large-scale urban planning. Perkins Eastman places a strong emphasis on human-centered design, resilience, and innovation through research. Their projects reflect a commitment to improving quality of life and community impact. Their expansive reach and thoughtful process have made them one of the best architects delivering meaningful, inclusive design solutions.
15. Sasaki
Founded in 1953 by Hideo Sasaki, Sasaki is a globally respected design firm that blends architecture, landscape architecture, urban design, and civil engineering. Headquartered in Boston, with offices in Denver and Shanghai, Sasaki is known for its collaborative, data-driven approach and strong emphasis on sustainability and equity. Projects like the Chicago Riverwalk and the Shanghai Cultural Plaza demonstrate their integrated, people-first approach. Sasaki’s ethos lies in creating places that are contextual, inclusive, and transformative. Their interdisciplinary methods and commitment to place-making position them as one of the best architects shaping livable and resilient cities of the future.
Final Thoughts
Whether you’re looking for innovative design, sustainable architecture, or holistic planning, these firms represent the best architects in the United States. They are redefining the built environment through creativity, technical expertise, and a deep understanding of how architecture shapes lives. From performance-driven design to cultural landmarks, these practices are building the future—one space at a time.
