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Profile

Concept

Message From the President

To evolve into a company that will last 100 years for the next 50 years
– Aspirations and beliefs for heights, and its pride as an expert in shaping buildings and towns –

ACA SEKKEI celebrated its 50th anniversary in July 2020. Since its founding in 1970, it has always inherited the stance of taking on challenges. With awareness and pride as a group of architectural design specialists, we have contributed widely to society through our design activities, aiming for attractive architecture that is trusted and pleased by our clients.
We will respond to the changing sophistication and complexity of society, pursue new technologies with aiming for highly worth design work. We will pursue “architecture in the environment” that is harmonized with the natural environment and local communities and create architecture that contributes to the creation of a sustainable society.
As construction demand is declining due to today’s declining birthrate and aging society, we will focus on already opened bases in Southeast Asia, where development is expected in domestic local cities and future development, and always challenge undeveloped areas with foresight. We will continue to develop and grow into a company that can meet all social needs and create new value to further refine and evolve our efforts so far and make a further leap forward in the next 50 years.
Yoshinori Kobayashi, President

Company Profile

Company Name ACA SEKKEI COMPANY LIMITED
Address Name First-Class Registered Architect Office
Registration Nagano Head office
Registered by Governor of Nagano Prefecture (Register No. L27312)
Management Architect : Hidekuni Tatsuno
Tokyo Branch
Registered by Governor of Tokyo Metropolitan (Register No. 53789)
Management Architect : Kouji Sato
Establishment July 15 , 1970
Capital 40,000,000 yen
Employees 101(male 76, female 25)
(Total members of ACA Group 141)
Qualified Employees Registered Japan 1st-Class Architects/Engineers : 45
Building services architects : 4
Quantity surveyors : 10
In charge of structure : 8
In charge of mechanical and electrical design : 13

Scope of Services

ACA SEKKEI Organization Chart

Branch/Overseas Office

Nagano head office 2360-4 Yanagihara, Nagano City, Nagano 381-0012, Japan
TEL. +81-26-296-8300 FAX. +81-26-296-8350・・・MAP
Tokyo branch office Kanda-Ohki Bldg.9F, 3-3-5 Kandakajicho, Chiyoda-ku,Tokyo 101-0045, Japan
TEL. +81-3-5297-8177 FAX. +81-3-5297-8176・・・MAP
Matsumoto branch office 2-8-10 Soyano, Matsumoto City, Nagano 390-0842, Japan
TEL. +81-263-88-2224 FAX. +81-263-88-2237・・・MAP
Joetsu branch office 4-3-19 Nakamachi, Joetsu City, Niigata 943-0831, Japan
TEL. +81-25-530-7130 FAX. +81-25-530-7137・・・MAP
Ho Chi Minh Office 12F – Havana Tower, 132 Ham Nghi Street, Ben Thanh Ward, District1,Ho Chi Minh City, Viet Nam
TEL. +84-8-3821-2332・・・MAP
Yangon Office No.0204, Sakura Tower, 339 Bogyoke Aung San Road, Kyauktada Township, Yangon, Myanmar
TEL. +95-1-255217・・・MAP

History

1970 Establishment of TATSUNO MATSUYAMA SEKKEI COMPANY LIMITED
1999 change of the company’s name to ACA SEKKEI COMPANY LIMITED
2001 ISO9001 certification
2005 Participation in PFI projects
2006 Establishment of ACA TOSHIKIKAKU COMPANY LIMITED
First private placement
2007 Establishment of the Tokyo branch office
2008 The SANYU Facilities Design COMPANY LIMITED participates in ACA GROUP
2011 Transfer of management rights to ACA TOSHIKIKAKU COMPANY LIMITED
2012 Second private placement
Establishment of the Ho Chi Minh Office
Establishment of ACA KENBI COMPANY LIMITED
2013 Establishment of the Yangon Office
Establishment of the ACA CONSULTING COMPANY LIMITED
2014 Establishment of the Matsumoto branch office and the Joetsu branch office
Agreement conclusion with DESIGN 2000 COMPANY LIMITED
Establishment of the ACA Architectural Inspection COMPANY LIMITED
2017 Opening of BIM promotion department
2018 Merging SANYU Facilities Design COMPANY LIMITED and ACA SEKKEI MATSUMOTO COMPANY LIMITED
2020 Third private placement

Major Affiliated Organizations

・The Japan Institute of Healthcare Architecture
・The Architectural Institute of Japan
・The Japan Structural Consultants Association
・The society of Heating, Air-Conditioning and Sanitary Engineers of Japan
・The Urban Renewal Association of Japan
・Nagano Association of Architectural Firm
・The Nagano Building Disaster Prevention Association
・The Nagano Chamber of Commerce and Industry
・Tokyo Association of Architectural Firms
・The Japanese Business Association of Ho Chi Minh City
・Japan Chamber of Commerce and Industry, Myanmar

Directors

Executive officers
President and Chief Operating Officer
Vice President
 
Managing Executive Officer
Executive Officer
Executive Officer
and General Manager of Tokyo Branch
Executive Officer
Executive Officer
Executive Officer
Yoshinori Kobayashi
Registered Japan 1st- Class Architect
Keiji Yumoto
Registered Japan 1st- Class Architect
Yoshio Sakamoto
Registered Japan 1st- Class Architect
Akira Kosuda
Kouji Sato
Registered Japan 1st- Class Architect
Tsutomu Kaise
Registered Japan 1st- Class Architect
Kakihisa Baba
Registered Japan 1st- Class Architect
Jinichi Kasuga
Registered Japan 1st- Class Architect
Member of the Board
Representative Director
Director
Director
Director
Director
Taiichi Tatsuno
Registered Japan 1st- Class Architect
Hidekuni Tatsuno
Registered Japan 1st- Class Architect
Namio Sekiguchi
Registered Japan 1st- Class Architect
Yoshinori Kobayashi
Registered Japan 1st- Class Architect
Keiji Yumoto
Registered Japan 1st- Class Architect

© ACA SEKKEI CO., LTD.