Top 200 Architecture Firms for 2026

Gensler, Perkins&Will, HKS, Corgan, Populous, Perkins Eastman, NBBJ, ZGF, and PGAL top Building Design+Construction's ranking of the nation's largest architecture firms for nonresidential building and multifamily housing work, as reported in BD+C's 2026 Giants 400 Report.
By David Barista, Editorial Director
Aug. 18, 2026
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Photo: Dave Burk, courtesy SOM
Photo: Dave Burk, courtesy SOM

Designed by SOM for construction equipment manufacturing company Sany, the dual-tower Sany Guangzhou Pazhou Rootcloud Headquarters in Guangzhou, Guangdong, China, features a striking exterior design highlighted by five-story steel columns rising in a diamond grid pattern. The structural design allows the floors to be suspended from the structure, eliminating the need for interior columns. Photo: Dave Burk, courtesy SOM

Gensler, Perkins&Will, HKS, Corgan, Populous, Perkins Eastman, NBBJ, ZGF, and PGAL top Building Design+Construction's ranking of the nation's largest architecture firms for nonresidential building and multifamily housing work, as reported in BD+C's 2026 Giants 400 Report. 

Source: Building Design+Construction's 2026 Giants 400 Report. * Editor's estimate

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