CORPORATE PROFILE

Trade Name

Eight-Japan Engineering Consultants Inc.

Representatives

Representative Director and Chairperson: KOTANI Yuji
Representative Director and President: KIN Seikan

Corporate Headquarters

Tsushima-Kyomachi 3-1-21, Kita-ku, Okayama City Okayama, Japan 700-8617
Tel: +81-86-252-8917 Fax: +81-86-252-7509

GoogleMap

Tokyo Headquarters

Honcho 5-33-11, Nakano-ku, Tokyo, Japan 164-8601
Tel: +81-3-5341-5111 Fax: +81-3-5385-8500

GoogleMap

Start of Business

1st March, 1955 31st May, 1957 (incorporated) 1st June, 2009 (merged and reorganized)

Capitalization

Paid-in capital: JPY 2,056,880,000

Personnel Composition

• Number of employees: 1051 • Technical staff: 862 • Administrative staff: 189 (as of 1st June 2023)

Certified Persons

• Professional engineer: 449
• Professional engineer (general technical supervision): 98
• RCCM: 212
• Ph.D. holder: 28
• First class architect: 15
• Second class architect: 10
• Surveyor: 155
• Certified Environmental Measurer (Noise, Vibration): 4
• Certified Environmental Measurer (Concentration): 5
• First class construction managing engineer: 229
• Second class construction managing engineer: 19
• First class landscape managing engineer: 33
• Geological survey engineer: 78
• Soil Contamination Investigation Technical Manager: 7
• VE leader: 55
• APEC engineer: 4
• Compensation manager: 122
• Concrete diagnosis and maintenance engineer: 40
• Civil Structure Inspector: 8
• Road Bridge Inspector: 44
• River Maintenance Engineer: 8
• River Inspection Technician: 29
• Japan Society of Civil Engineers (Executive Professional Civil Engineer): 4
• Japan Society of Civil Engineers (Senior Professional Civil Engineer): 12
(as of 1st June 2023)

Registered Businesses

• Registered Construction Consultant No. 01-116
• Registered Geological Surveyor No. 04-367
• Registered Surveyor No. (15)-263
• Registered First Class Architect Office Governor of Tokyo: No. 55520, Governor of Okayama: No. 1855, Governor of Oosaka: No. 25984
• Registered Compensation Consultant: No. 31-0687
• Registered Instrumentation and Certification Business Sound Pressure Level: Okayama No. 7-11、Vibration Acceleration Level: Okayama No. 8-7
• Registered Designated Investigation Institution under the Soil Contamination Countermeasures Act: No. 2003-8-2007
• Registered Specified Labor Dispatch Business: No. 33-300498
• Construction Company Permit No. 5-5545 (General) No. 5-5545 (Special)

Registered Construction Consultant

Rivers/sabo/coasts/ocean; ports and airports; roads; railways; sewerage; agricultural engineering; forest engineering; fisheries engineering; waste; landscaping; urban and regional planning; geology; soil and foundations; steel structures and concrete; tunnels; construction plans, construction equipment and cost estimation; construction environment; electrical and electronics

Registered Compensation Consultant

Land surveying; land appraisal; properties; machine works; compensation for business and special compensation; business loss; compensation-related matters; general compensation

International Standards

• ISO9001 certified and registered
• ISO14001 certified and registered (Tokyo Regional Office, Urban Environment, Waste, and Management Department)
• ISO55001 certified and registered (Asset Management Strategy Group)

Others

Resilience Certificate certified and registered

POLICIES

ORGANIZATION

HISTORY

Eight Consultants Co., Ltd. Japan Engineering Consultants Co., Ltd.
1954

Sinya Hoso (Midnight Broadcasting) is founded in Chiyoda Ward, Tokyo

1955

Founded as Yakumo Sokuryo in Matsue City, Shimane Prefecture

1957

Yakumo Sokuryo is incorporated as a private limited company

1959

Change of the trade name to Japan Engineering Consultants Co., Ltd. Start of the business as a construction consultancy firm Registered as a first class architect office under the Architect Act

1960

Reorganized as Yakumo Sokuryo Co., Ltd.

1962

Change of the trade name to Yakumo Kensetsu Consultants Co., Ltd. Registered as a construction company and surveying firm Registered as a surveying firm

Registered as a surveying firm

1963

Commencement of overseas businesses

1964

Registered as a construction consultancy firm with the launch of the Construction Consultants Registration Scheme

Registered as a construction consultancy firm following the introduction of the Construction Consultants Registration Scheme

1967

Relocation of the Headquaters to Okayama City, Okayama Prefecture

1977

Registered as a geological surveyor with the launch of Geological Surveyors Registration Scheme

Commencement of the environmental assessment business

1978

Registered as a geological surveyor

1984

Change of the trade name to Eight Consultants Co., Ltd.

1985

Registered as a compensation consulting firm with the launch of the Compensation Consultants Registration Scheme

Registered as a compensation consulting firm with the launch of the Compensation Consultants Registration Scheme

1986

Founded E.Kyouritsu Co.,Ltd. and Kyoritsu Kouei co.,ltd.

1990

Make Shinkyo-gijutsu consultants Co.,Ltd. a subsidiary.

1991

Relocation of the Headquarters to Nakano Ward, Tokyo

1993

Registered as an instrumentation and certification business

1994

Registered as an instrumentation and certification business

Registered for over-the-counter stock trading at the Japan Securities Dealers’ Association

2000

Listed in the Second Section of the Tokyo Stock Exchange

2002

Subsidiary acquisition of Toshi Kaihatsu Sekkei Corporation

2003

Designated as an investigation institution under the Soil Contamination Countermeasures Act

2004

Listed in the JASDAQ Securities Exchange

Eight-Japan Engineering Consultants Inc.
2005

Capital and business tie-up between Eight Consultants Co., Ltd. and Japan Engineering Consultants Co., Ltd.

2009

Merged for new start as Eight-Japan Engineering Consultants Inc.

2012

Enjoyfarm Co. Ltd. is founded (at Okayama Pref.)

2015

Establishment of EJ-Research Center for Disaster Risk Mitigation Establishment of Infrastructure Facility Maintenance Center

2018

Completion of New building of Corporate Headquarters (Okayama) BCP function strengthen Opening of Myanmar Office

2020

Established local subsidiary in Thailand

2021

Reorganized "Disaster Risk Research Center" and established "EJ Innovation Technology Center"
Changed "Infrastructure Maintenance Center" to "Infrastructure Maintenance Division"
Established the DX Promotion Office within the General Planning Headquarters