Company Profile｜Company Information｜Yachiyo Engineering Co., Ltd.

Company Name	Yachiyo Engineering Co., Ltd.
Establishment	January 29, 1963
Registered Address (Headquarters)	5-20-8, Asakusabashi, Taito-Ku, Tokyo, Japan
Board of Directors	Chairman DEMIZU Shigemitsu
President TAKAHASHI Tsutomu
Executive Vice President HASEGAWA Kiyoshi MIZUNO Takashi
Board Member, Senior Managing Executive Officer MAMA Shuichi
Board Member, Managing Executive Officer KOBAYASHI Yukihiro
Board Member, Executive Officer TAJIMA Shinichi
Board Member, Executive Officer YAMANAKA Kenjiro WATANABE Tomoaki NAKAYAMA Hirokuni
Auditors SUZUKI Hiroyuki SASAKI Kazunari
Senior Managing Executive Officer ISHIBASHI Yoshihiro YOSHIKANE Hidenori
Managing Executive Officer GOTO Kouji
Executive Officer KASHIWAGI Hisanori SATO Takuya TSUDA Mitsunori SUMI Eigo FUJII Katsumi
Capital	JPY 450 million
Amount of Contracts	JPY 26.1 billion (as of June 30, 2024)
Number of Employees	1,314 (Technical Employees 1,027 and Administrative Employees 287) (as of July 1, 2024)
Business Areas	Consulting engineering services in the following fields: Urban Planning, Private Sector Development, Architecture, Solid Waste Management, Water Supply, Wastewater, Water Resources Management, Roads and Bridges, Railway, Transport Planning, Electricity and Power, Renewable Energy, Broadcasting, Information and Communication Technology.
Registration	Registration as Engineering Consultant Certified by the Ministry of Land, Infrastructure, Transport and Tourism (MLIT), Japan on October 1, 2024
Registration as Surveyor Certified by the Ministry of Land, Infrastructure, Transport and Tourism (MLIT), Japan on April 8, 2024 (Registration Number：16-613).
Registration as First-class Architect Office Certified by the Tokyo Metropolitan Government on March 14, 2022 (Registration Number：4554).
Registration as Geotechnical Consultant Certified by the Ministry of Land, Infrastructure, Transport and Tourism (MLIT), Japan on November 30, 2022
Registration as Weights and Measures Inspector Certified by the Tokyo Metropolitan Government on November 1, 1993 . Certified by the Governor of Tokyo on November 1, 1993
ISO Management System JIS Q 9001:2015 Quality Management System JIS Q 14001:2015 Environmental Management System JIS Q 27001:2023 Information Security Management System（Information Technology Department) JIS Q 55001:2017 Asset Management System（Social Management Business Office of the Consulting Headquarters and Consulting Section V, River Department of the Consulting Headquarters）

Company Name

Yachiyo Engineering Co., Ltd.

Establishment

January 29, 1963

Registered Address (Headquarters)

5-20-8, Asakusabashi, Taito-Ku, Tokyo, Japan

Board of Directors

Chairman

DEMIZU Shigemitsu

President

TAKAHASHI Tsutomu

Executive Vice President

HASEGAWA Kiyoshi

MIZUNO Takashi

Board Member, Senior Managing Executive Officer

MAMA Shuichi

Board Member, Managing Executive Officer

KOBAYASHI Yukihiro

Board Member, Executive Officer

TAJIMA Shinichi

Board Member, Executive Officer

YAMANAKA Kenjiro

WATANABE Tomoaki

NAKAYAMA Hirokuni

Auditors

SUZUKI Hiroyuki

SASAKI Kazunari

Senior Managing Executive Officer

ISHIBASHI Yoshihiro

YOSHIKANE Hidenori

Managing Executive Officer

GOTO Kouji

Executive Officer

KASHIWAGI Hisanori

SATO Takuya

TSUDA Mitsunori

SUMI Eigo

FUJII Katsumi

Capital

JPY 450 million

Amount of Contracts

JPY 26.1 billion (as of June 30, 2024)

Number of Employees

1,314
(Technical Employees 1,027 and Administrative Employees 287)
(as of July 1, 2024)

Business Areas

Consulting engineering services in the following fields:
Urban Planning, Private Sector Development, Architecture, Solid Waste Management, Water Supply, Wastewater, Water Resources Management, Roads and Bridges, Railway, Transport Planning, Electricity and Power, Renewable Energy, Broadcasting, Information and Communication Technology.

Registration

Registration as Engineering Consultant

Certified by the Ministry of Land, Infrastructure, Transport and Tourism (MLIT), Japan on October 1, 2024

Registration as Surveyor

Certified by the Ministry of Land, Infrastructure, Transport and Tourism (MLIT), Japan on April 8, 2024 (Registration Number：16-613).

Registration as First-class Architect Office

Certified by the Tokyo Metropolitan Government on March 14, 2022 (Registration Number：4554).

Registration as Geotechnical Consultant

Certified by the Ministry of Land, Infrastructure, Transport and Tourism (MLIT), Japan on November 30, 2022

Registration as Weights and Measures Inspector

Certified by the Tokyo Metropolitan Government on November 1, 1993 .

Certified by the Governor of Tokyo on November 1, 1993

ISO Management System

JIS Q 9001:2015 Quality Management System

JIS Q 14001:2015 Environmental Management System

JIS Q 27001:2023 Information Security Management System（Information Technology Department)

JIS Q 55001:2017 Asset Management System（Social Management Business Office of the Consulting Headquarters and Consulting Section V, River Department of the Consulting Headquarters）

Total Number of Qualified Personnel (as of July 1, 2023)
**Staff Composition**
ICT Engineer	17
Economist	22
Civil Engineer	756
Geological Engineer	49
Architect	49
Mechanical Engineer	15
Electrical Engineer	31
Environmental Expert	86
BIM/ CAD Expert	10
Administrative Staff	279

Professional Certification
PhD	24
Professional Engineer	593
Registered Civil Engineering Consulting Manager	174
APEC Engineer	1
1st Class Kenchikushi	24
Environmental Certified Measurers	11
Surveyors	53
Electric Chief Engineer	5
Information Technology Engineer	40
Erosion Control Engineer	8