Peter Hahn Associates is an international architectural and interior design practice based in Tokyo, Japan. The practice provides architecture, programming, space planning, interior design, project management, and construction consulting services. With over two decades of experience in the industry, its founder and principal, Peter Hahn brings to the practice extensive network of professional resources. An alliance with other specialist firms such as engineers, landscape architects, lighting designers, and quantity surveyor enable us to undertake projects of any size and complexity. Peter Hahn Associates is committed to providing the highest quality of design and service. The firm limits its workload so that all of the firm's projects receive the individual attention of Peter Hahn, ensuring the highest professional standards are achieved and maintained on all commissions - not only on design excellence but also on quality control, budget and schedule management. Mission Statement