HAS is an design studio operating within the traditional boundaries of architecture : Culture, Humanity and Liberal.

HAS  founded by Nguyen Hoang and A.Straffen in Zurich from 2012. Saigon Office opened in 2015 after Hoang came back Viet Nam. Now HAS led byNguyen Hoang , Duong Chien and maintains team in Saigon, Hanoi and long term-partner in Danang with Nguyen Manh Dung, founder of HNA. 

HAS-designed projects currently under construction include 22 hectare housing and health care center in Long An, Amagos park hotel in Danang, 5 hectare School complex Skiline in Dien Duong,  the Water Office building in Quang Nam, Xuan Cuong Exhibition Center in Lang Son, and Ban Bon retreat in Nghia Lo…and several small projects on road.

HAS and HNA  has worked with Tran Anh, Redruby JSC, Vinh Van Phong CP,  Gia Ta JSC, SunnyWorldPro, Avata Danang, VietinBank, OCB, 79 company, Khaisilk Corp, Trung Nguyen Corp, ThinhDatXanh, Skyline, ACV