A-Quadrat Architekten + Ingenieure GmbH is an architectural and engineering firm situated in Hamburg, Germany. The company operates primarily in Hamburg and its metropolitan region, as well as other locations in northern Germany. According to its official website, A-Quadrat undertakes a diverse array of projects comprising residential, commercial, public, and institutional buildings. Its portfolio includes both new-builds and renovations.
Examining recent and ongoing assignments, A-Quadrat has worked on the sanitation of the Welcome Center at the University of Hamburg, the construction of multi-story housing developments in neighborhoods such as Hamburg-Langenhorn and Wilhelmsburg, as well as service apartments for students in Bergedorf. Additional examples are the refurbishment and expansion of production facilities, office buildings for automotive suppliers, and the extension of laboratory and office spaces for pharmaceutical companies in Reinbek and Stellingen. The firm has also delivered projects such as senior citizen housing in Ohlsdorf, a high-bay warehouse with integrated offices and dining facilities in Hamburg-Rahlstedt, several hotel apartments, and social housing complexes.
A-Quadrat regularly participates in competitions, winning first place in various invitational contests, including for cooperative housing in Rostock and design of residential quarters in Hamburg-Alsterdorf. The organization further contributes to urban development by engaging in restoration and adaptive reuse, such as the conversion of historical bunkers, penthouse expansions, and refurbishment of listed buildings.
The firm’s activities involve architectural planning, engineering solutions, project management, and urban design interventions. The website does not provide founding details or staff numbers, nor does it mention awards beyond the BDA Hamburg Architecture Prize (2nd place, 2016) for a commercial courtyard in Wilhelmsburg.