HHF Architects was founded in 2003 by Tilo Herlach, Simon Hartmann and Simon Frommenwiler. Since the creation of the firm, the practice has realized projects in Switzerland, Germany, China, Mexico, France and USA.
In addition to building, teaching is an important activity of the office. Since 2009 Simon hartmann has been a professor in Fribourg. HHF architects also guest lectured at the UIA in Mexico City, at MIT in Boston and the University of Innsbruck.