Corporate Profile

Company Name

Kawasaki Geological Engineering Co., Ltd.

Head Office Location

Mita Kawasaki Building, 2-11-15 Mita, Minato-ku, Tokyo, Japan

Phone Number

+81-3-5445-2071

Established

Jul. 22, 1943

Capital

JPY 819,965 thousand

Fiscal Year-End

November 30

Number of Employees

357 employees (as of November, 2025)

Professional Qualifications

Ph.D. in Science: 12
Ph.D. in Engineering: 7
Professional Engineers: 116

Employer Action Plans
Contractor Registration

Registered Geological Investigation
Registration No. (SHITSU 04)
No. 1

Registered Construction Consultant
Registration No. (KEN 06)
No. 9

Registered Surveying Business
Registration No. (14)-2477

Construction Business License (Minister of Land, Infrastructure, Transport and Tourism)
Special License No. 390 (Civil Engineering Works / Scaffolding and Earthworks)
General License No. 390 (Well Drilling Works)

Designated Investigation Organization (Ministry of the Environment)
Registration No. KAN 2003-8-2033

Security Services Certification View the certification mark
Qualified Invoice Issuer Registration Number

T7010401037591

Board of Directors

President and Representative Director Yasuhiro Tochimoto
Representative Director, Senior Executive Officer Shiro Ota
Director, Senior Executive Officer Satoshi Wakasa
Director, Executive Officer Taiji Hamada
Director, Executive Officer Makoto Numakunai
Directior Motoki Kazama
Directior Maki Wakabayashi
Director and Full-time Audit and Supervisory Committee Member Yuichi Tsuchiko
Director and Audit and Supervisory Committee Member Junji Ojiro
Director and Audit and Supervisory Committee Member Tatsuo Hasunuma

History

1943Jul.

Established as Kawasaki Shisuiki Manufacturing Partnership

1951Aug.

Established Tokyo Branch (now Kanto Branch) of Kawasaki Boring Co., Ltd. in Kyobashi, Chuo-ku, Tokyo, with the purpose of conducting boring works and geological investigations (capital: JPY 500 thousand)

1955Jul.

Established Osaka Office (now West Japan Branch)

Nov.

Obtained licenses for both Special and General Construction Business

1957Jun.

Established Kyushu Office (now Kyushu Branch)

1959Apr.

Established Nagoya Office (now Chubu Branch)

1963Jan.

Established Sendai Office (now North Japan Branch)

1964Oct.

Registered as a Construction Consultant

1968Apr.

Registered as a Surveying Business

1969Jan.

Established Hiroshima Office (now Chugoku Branch)

Dec.

Relocated head office to Kanda, Chiyoda-ku, Tokyo

1970Apr.

Established Geophysical Exploration Department (now Marine Geology and Geophysics Division) and expanded into geophysical surveys

Jul.

Relocated head office to Omoriminami, Ota-ku, Tokyo

Aug.

Changed company name to Kawasaki Geological Engineering Co., Ltd.

1973Apr.

Established Marine Survey Section within the Geophysical Exploration Department (now Marine Survey Group) and expanded into marine surveys

1974Nov.

Relocated head office to Omorikita, Ota-ku, Tokyo

1976Oct.

Established Niigata Office (now Hokuriku Branch)

1977Apr.

Established Hyogo Office (now Kobe Branch)

Nov.

Registered as the first Geological Investigation Consultant under the registration system established in April 1977 (Registration No. 1).

1979Apr.

Established Matsuyama Office (now Shikoku Branch)

1982Feb.

Established Kanagawa Office (now Yokohama Branch)

1984Mar.

Established Saitama Office (now North Kanto Branch)

1986Mar.

Established Sapporo Office (now Hokkaido Branch)

1997Jul.

Listed on the over-the-counter market of the Japan Securities Dealers Association (now TSE JASDAQ Standard).

Nov.

Obtained ISO 9001 certification at the Kanto Branch

1998May

Established Cultural Heritage Survey Consultant Co., Ltd. (affiliate) to conduct geological and geotechnical investigations and cultural heritage surveys using microfossil analysis.

1999Apr.

Relocated head office and East Japan Branch (now Kanto Branch) to 2-11-15 Mita, Minato-ku, Tokyo

2003Jan.

Designated as an Investigation Organization under the Soil Contamination Countermeasures Act

Nov.

Obtained ISO 9001 certification for all offices

2013Jul.

Listed on the Tokyo Stock Exchange JASDAQ following the integration of the Osaka and Tokyo Stock Exchanges

2014Dec.

Established Hanoi Representative Office

2017Oct.

Established OHYA UNDERGROUND ENERGY Co., Ltd. (affiliate) to provide thermal energy using groundwater from former Oya stone quarries

2022 Dec.

Acquired Union Consultant Co., Ltd. as a subsidiary to strengthen geological and geotechnical investigation capabilities in Hokkaido and contribute to the local community

2025Dec.

Acquired Meiou Soil Survey Design., Ltd. as a subsidiary to strengthen geological and geotechnical investigation capabilities in Okinawa and contribute to the local community

Please feel free to contact us for inquiries regarding quotations and orders,
public relations and investor relations, as well as our products and services.

For immediate assistance, please call us.

Business Hours 9:00–17:30 (excluding weekends and public holidays)