OVERVIEW OF EJEC | Eight-Japan Engineering Consultants Inc.

Corporate Profile
Policies
Organization
History

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	Nakano 2-24-11, Nakano-ku, Tokyo, Japan 164-8601 Tel: +81-3-5341-5152 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: 1,131 • Technical staff: 935 • Administrative staff: 196 (as of 1st June 2025)
Certified Persons	• Professional engineer: 448 • Professional engineer (general technical supervision): 93 • RCCM: 241 • Ph.D. holder: 34 • First class architect: 14 • Second class architect: 14 • Surveyor: 165 • Certified Environmental Measurer (Noise, Vibration): 3 • Certified Environmental Measurer (Concentration): 4 • First class construction managing engineer: 223 • Second class construction managing engineer: 21 • First class landscape managing engineer: 29 • Geological survey engineer: 85 • Soil Contamination Investigation Technical Manager: 8 • VE leader: 48 • APEC engineer: 1 • Compensation manager: 132 • Concrete diagnosis and maintenance engineer: 39 • Civil Structure Inspector: 9 • Road Bridge Inspector: 47 • River Maintenance Engineer: 8 • River Inspection Technician: 35 • Japan Society of Civil Engineers (Executive Professional Civil Engineer): 3 • Japan Society of Civil Engineers (Senior Professional Civil Engineer): 13 (as of 1st June 2025)
Registered Businesses	• Registered Construction Consultant No. 06-116 • Registered Geological Surveyor No. 04-367 • Registered Surveyor No. (16)-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. 06-687 • 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. 2003-8-3009 • 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

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POLICIES

Compliance	Under “Compliance”, a number of subject matters for compliance, for which the Code of Conduct of the parent company acts as the superior provision, are liste
Information Security Policy	This policy describes information management to fulfil social responsibility.
Privacy Policy	Under this policy, the importance of protecting personal information in an advanced information communication society is recognized and such information is protected.
Business Continuity Policy (BCP)	This policy describes business continuity when a severe disaster or similar incident occurs.
Quality Policy	This is the basic policy designed to continually contribute to the creation of a genuinely prosperous society.
Environmental Policy	This policy stipulates the commitment to environmental consideration based on the Vision of EJEC.
Asset Management Policy	We publish our activity policy aiming at effective maintenance and management of social infrastructure assets through business operations.
Declaration for Work style Reform	This is the declaration of EJEC to reform the work style.

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

Eight-Japan Engineering Consultants Inc.
OVERVIEW OF EJEC