Dietrich | Untertrifaller Architects, founded in 1994, is one of the iconic agencies of the renowned School of Vorarlberg. In 1992 Helmut Dietrich and Much Untertrifaller, the two founding partners of the agency, won the international competition for the conversion and extension of the Festspielhaus in Bregenz, which was delivered in 2006. This first major project was followed by equally important ones, such as the Hall F of the Wiener Stadthalle in 2006 and the ETH sports campus in Zurich in 2009.

Laureate of numerous competitions during the last twenty years, the agency can now avail of references of a wide variety: local museums and important cultural facilities, office buildings and university sports complexes, individual houses and high-volume residential projects, interior design and revitalizations of historic buildings. Whatever the scale of the program, the architects attach great importance to the quality of the design and the implementation of the details. They are well known for their expertise in timber design and construction and maintain this know-how through relationships of dialogue and trust with clients, craftsmen and engineers.

Today, the agency employs an international team of 70 architects working in Austria (Bregenz and Vienna), Switzerland (St Gallen), France (Paris) and Germany (Munich). The office is lead by Helmut Dietrich, Much Untertrifaller, Dominik Philipp and Patrick Stremler. Anne Mochel manages the business development. Dietrich | Untertrifaller Architects develop their projects often with the support of local agencies and regional partners and will further expand its international presence.

The innovative and sustainable buildings received numerous awards, including the Prix d′Architecture de Bretagne 2016 (School Jean-Monnet Broons), the National Award for Architecture and Sustainability (School Klaus), the LEED Platinum (Headquarters i+R Gruppe Lauterach) the Austrian Building Award (ETH Sports Center Zürich) or the International Architecture Award (Festspielhaus Bregenz).