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DAIKEN SEKKEI Tokyo Building Entrance Hall

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

組織図のイメージ

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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