Founded in 1969, the company started as an architectural design office. Since then, the company has designed and administered the construction of public facilities, hospitals, hotels, apartment buildings, distribution warehouses, residential dwellings.
Also, it has established a company to oversee city development and constructed many buildings in the Tokyo Metropolitan area as a 'boutique developer'.

Company Profile
Stated Capital: 10 million yen
Founded: 1969 May
Company incorporated: 1980 May
Main office: 1-16-4 Toranomon, Minato-ku, Tokyo
Phone number: 03 (3503) 1427
Fax number: 03 (3503) 1440
E-mail :
Key Executives
CEO: Hakubun Seki
Board of Director: Mitori Seki
Auditor: Yoko Seki
Operating officer (Senior Registered Architect): Koji Sato
Operating officer (Senior Registered Architect): Ataru Fujita
Operating officer (Registered Management service manager): Yasuhiro Suzuki
Consultant: Hidemichi Yabuki (President, Senior Registered Architect Company, LAND WORK )
Consultant: Mutsumi Nemoto (Professional Qualifications Grounds Maintenance)
Tokyo Chamber of Commerce
Public Interest incorporated association; Tokyo Takken Association
Public Interest incorporated association; Zentakuren
General Incorporated Association; Japan Investment Advisory Association
Non-profit organization, Securities and Financial product consulting center
Major Projects
①Hiragamachi Apartment house (Reinforced Concrete, 10 stories above ground, 4,822.12 square meters)
②Urban Toranomon Building (Steel Reinforced Concrete building, 2 stories underground, 9 stories above ground, 9,590 square meters)
③Urban Shinbashi Bulding (Steel building with partial Steel reinforced concrete, 2 stories underground, 14 stories above ground,
  8, 859.31 square meters)
Main businesses
Since 1996, the company has expanded its business to the consulting field, which includes architectural diagnosis, real estate funding consulting and other related matters.
* Building design, construction supervision
* Interior construction for business and residential buildings as well as interior and exterior construction for residential dwellings
* Building demolition
* Real estate mediation, real estate advising
* Property management
* Asset management
* Construction management
* Facility management
* Due diligence services
* Golf course and country club management
* Business revitalization services
Registered Licenses and Certifications
* Senior registered architect office, Tokyo Governor #20250
* Licensed real estate agent, Tokyo Governor (9) #39832
* Registered financial broker, Kanto region finance bureau #1399
(Class 2 financial broker)
( Investment consulting, business agent)
* Residential building management, Ministry of Land, Infrastructure, Transport and Tourism (2) #032946
* Construction services, Tokyo Governor permit (23) #126142
* Temp agency services, Department of Labor 13-315082
* Registered antiquary, Tokyo Metropolitan Public Safety Commission #3010708752
Affiliated Banks
* The bank of Tokyo-Mitsubishi UFJ, Limited,. Toranomon Branch
* Mizuho Corporate Bank, Ltd., Shinbashi Chu-ou Branch
* Mizuho Trust & Banking Co., Limited, Main Branch
* Sumitomo Mitsui Trust Bank, Limited, Hibiya Branch