Founded in 1955 by George Hellmuth, Gyo Obata and George Kassabaum HOK now has 26 regional offices in 4 continents (North America, Europe, Asia and Australia) with more than 2,500 employees. It has gained international fame with many prestigious projects done by them all over the world.Industry Rankings
- #1 Architectural/Engineering Firm, Building Design + Construction, July 2008
- #1 Architectural/Engineering Firm, Engineering News-Record, April 21, 2008
- #2 Interior Design Practice, Interior Design, January 2008
- #4 Architectural Firm, Building Design (UK), January 2009
HOK is engaged in conceptualizing the master plan for "Sonar Bangla" – the integrated township project by Bengal Shriram.













