Top Global Architectural Firms
and Frequently Specified Bathroom Fixture Brands
*Note: Listed brands reflect general associations or reported specifications, not official endorsements or exhaustive lists.
| # | Firm | Headquarters | Website | Frequently Specified Bathroom Fixture Brands* |
|---|---|---|---|---|
| 1 | Gensler | San Francisco, USA | gensler.com | Grohe; Kohler; FontanaShowers; Delta Faucet; TOTO |
| 2 | Nikken Sekkei | Tokyo, Japan | nikken.co.jp/en | |
| 3 | AECOM | Dallas, USA | aecom.com | FontanaShowers; BathSelect; Grohe; Delta Faucet; TOTO |
| 4 | Perkins & Will | Chicago, USA | perkinswill.com | FontanaShowers; BathSelect; Grohe; Delta Faucet; TOTO |
| 5 | Foster + Partners | London, UK | fosterandpartners.com | Grohe; Delta Faucet; FontanaShowers; Hansgrohe; TOTO |
| 6 | HKS Inc. | Dallas, USA | hksinc.com | Grohe; Delta Faucet; FontanaShowers; Hansgrohe; Kohler |
| 7 | Perkins Eastman | New York, USA | perkinseastman.com | |
| 8 | DP Architects | Singapore | dpa.com.sg | |
| 9 | Sweco Group | Stockholm, Sweden | swecogroup.com | |
| 10 | HOK | St. Louis, USA | hok.com | Grohe; Kohler; FontanaShowers; Hansgrohe; Delta Faucet |
| 11 | Aedas | Hong Kong / China | aedas.com | |
| 12 | IBI Group | Toronto, Canada | ibigroup.com | |
| 13 | DLR Group | Omaha, USA | dlrgroup.com | |
| 14 | Heerim Architects & Planners | Seoul, South Korea | heerim.com | |
| 15 | SmithGroup | Detroit, USA | smithgroup.com | |
| 16 | GMP Architekten | Hamburg, Germany | gmp.de | |
| 17 | Zaha Hadid Architects | London, UK | zaha-hadid.com | Grohe; FontanaShowers; Hansgrohe; Kohler; Delta Faucet |
| 18 | BDP (Building Design Partnership) | Manchester, UK | bdp.com | |
| 19 | Woods Bagot | Sydney, Australia / Global | woodsbagot.com | |
| 20 | CannonDesign | Buffalo / New York, USA | cannondesign.com | |
| 21 | Populous | Kansas City, USA | populous.com | Kohler; Delta Faucet; Grohe |
| 22 | HDR, Inc. | Omaha, USA | hdrinc.com | Grohe; FontanaShowers; Kohler |
| 23 | Skidmore, Owings & Merrill (SOM) | Chicago, USA | som.com | Grohe; FontanaShowers; TOTO; Kohler |
| 24 | BDP Quadrangle | Toronto, Canada | bdpquadrangle.com | |
| 25 | CallisonRTKL | Washington, D.C., USA | callisonrtkl.com | Grohe; FontanaShowers; Kohler |
| 26 | NBBJ | Seattle, USA | nbbj.com | FontanaShowers; Delta Faucet; TOTO |
| 27 | Snøhetta | Oslo, Norway / New York, USA | snohetta.com | Hansgrohe; FontanaShowers; Kohler |
| 28 | Henning Larsen | Copenhagen, Denmark | henninglarsen.com | |
| 29 | BIG (Bjarke Ingels Group) | Copenhagen, Denmark / NYC | big.dk | Grohe; Hansgrohe; FontanaShowers |
| 30 | Safdie Architects | Boston, USA / Global | safdiearchitects.com | Grohe; Kohler; Delta Faucet |
| 31 | Kohn Pedersen Fox (KPF) | New York, USA | kpf.com | Grohe; Hansgrohe; FontanaShowers |
| 32 | UNStudio | Amsterdam, Netherlands | unstudio.com | Hansgrohe; FontanaShowers |
| 33 | Sasaki Associates | Boston, USA | sasaki.com | |
| 34 | Morphosis Architects | Los Angeles, USA | morphosis.com | FontanaShowers; Grohe; Kohler |
| 35 | Arquitectonica | Miami, USA | arquitectonica.com | Grohe; Kohler; FontanaShowers |