September 1927 (Corporation reorganization September 1951)
Capital
40 million yen
Number of employees
394 (as of April 1, 2024)
Number of first-class architects
211 (as of April 1, 2024)
Business description
Architectural research and planning, design and supervision, and diagnostic work
Management and support services related to building construction and maintenance
Investigation, planning and design of urban redevelopment and community planning
Various consulting services related to (1) – (3)
Major enrolled organization
Japan Institute of Architects / Architectural Institute of Japan / Tokyo Society of Architects & Building Engineers / Tokyo Association of Architectural Firms / Urban Renewal Coordinator Association of Japan / Japan Structural Consultants Association / Japan Society of Seismic Isolation / Japanese Association of Building Mechanical and Electrical Engineers / Society of Heating, Air-Conditioning and Sanitary Engineers of Japan / Institute of Electrical Installation Engineers of Japan / Building and Equipment Long-life Cycle Association / Public Buildings Association / Construction Management Association of Japan / Japan Association of Healthcare Management Consultants / Japan Institute of Healthcare Architecture / Research Institute of Educational Facilities / Japan Library Association / Japan Sport Facilities Association
Major trading bank
MUFG Bank, Mizuho Bank, Sumitomo Mitsui Banking Corporation, Resona Bank, etc.