
Company Profile
Company Profile
Company Name
DAIKEN SEKKEI, Inc
Established
April 1948
Capital
99 million yen
No. of Employees
Architecture: 223, Structure: 52, Equipment: 58, Civil works: 14, Administrative: 41, Total: 388 (as of November 2023)
Qualified Persons
Engineers, First Class Architects, First Class Structural Design Architects, JSCA Structural Engineers, First Class Facility Design Architects, Building Equipment Technicians, Building Quantity Surveyors Medical Management Consultants, CASBEE Architectural Appraisers, Interior Planners, Redevelopment Planners APEC Architects, APEC Engineers, Certified Construction Managers
Registered Licenses & Certifications
First Class Architect’s Office Registration Tokyo No. 942 Architectural Consultant License Ken 04 No. 4824 Urban Planning and Regional Planning Group, Steel Structures and Concrete Group Quality Management System Certification Registration
- Applicable standards: ISO 9001:2015 (JIS 9001:2015
- Registered Quality System: Building Design and Construction Supervision
- License No.: BCJ-QMS-0193
Corporate Management Group (General Management Dept. and Quality Control Dept.), Business Development Management Group (Business Development Dept.), Design & Technology Management Group, Total Solutions Group (Tokyo Office, Osaka Office, Nagoya Office, Kyushu Office, Hiroshima Office, Sapporo Office)
Services
- Consulting Facilities management, computer system development, environmental/ZEB, zoos and aquariums
- Surveying and planning Planning, proposals and commercialization projects, surveying for urban and regional plans, environmental assessments, surveys, appraisals and diagnostics for existing facilities
- Design Government buildings and offices, urban renewal and development, cultural facilities, medical and welfare facilities, educational facilities, research facilities, sports and recreational facilities, zoos and aquariums, accommodation facilities, commercial facilities, residential facilities, waste and recycling centers, distribution and transportation facilities, production facilities, special public facilities
- Supervision Quality assurance, cost management, schedule management
- Operation and maintenance Proposals and management for reducing life cycle costs and environmental impact
- Renewal and renovation Design and supervision of seismic diagnosis, earthquake reinforcement, green renovations, etc.
- Overseas operations Various above-mentioned operations conducted overseas
Organization Chart
Organization Chart

Corporate History
Corporate History
1948 - 1980
1948
Osaka Architectural & Engineering Firm, Inc.established by a group of engineers and architects from the former Sumitomo Real Estate Building., Co., Ltd. and Nippon Engineering Co., Ltd.
1949
Headquarters moved to Kyomachibori, Osaka (current Osaka Office).
1950
Nagoya Office established.
1951
Obtained a patent for a floating-foundation soft subgrade system with a high groundwater level, which takes buoyancy into account.
1954
Tokyo Office established.
1955
Developed an innovative all-welded construction method.
1956
Kyushu Office (predecessor of Fukuoka Office) established.
1963
Joint Development with Kubota Tekko K.K. Developed a process to make steel tube columns named 'G-column', which involves using centrifugal force on hot material.
1967
Developed a steel structural system named a 'keel structure', using a big main girder on a top roof, via which all roof structures are suspended.
1971
Company renamed DAIKEN SEKKEI, INC.
1978
Head office moved to Tokyo
1981 - 2000
1982
Overseas Facilities Dept. became independent.
1984
Yokohama Branch established.
1987
Fukuoka and Sapporo Offices established.
1989
Hiroshima Office established.
1990
Sendai Office and Kyoto Branch established. DAIKEN SEKKEI Osaka Building completed.
1993
Plant Engineering Dept. became independent.
1994
DAIKEN SEKKEI Tokyo Building completed.
2000
Obtained the ISO9001 quality management system certification.
2001 - 2020
2001
Medical Dept. became independent.
2003
Shizuoka Branch established.
2004
Corporate/Design/Ethical Philosophies established.
2012
Agenda 2012 established.
2015
Agenda 2015 established.
2018
Celebrated the 70th anniversary. Agenda 2018 established.
2021 -
2021
Agenda 2021 established.
2023
Celebrated the 75th anniversary..

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