About Us
Based in Tokyo, we deliver a wide range of services from interior design and construction to the complete renovation of an entire building.
Location
Tokyo Office
Ryoshin Onarimon Bldg. 7F,
6-17-15 Shinbashi, Minato-ku, Tokyo
105-0004 Japan
Tel: +81-(0)3-6758-3535
Milano Office
(Representative Office)
Corso Indipendenza,
14, 20129 Milano Italy
Licenses
1st-class registered architect
Special construction license
Registered real estate agent
Registered temporary staff agency
Registered medical equipment distributor
Company profile
Group companies
Total 839 employees
Koyou Rentia Co., Ltd.
Koyou Logi-X Co., Ltd.
Koyou Innotex Co., Ltd.
Innotex Business Solutions Co., Ltd.
Innotex Engineering Co., Ltd.
Koyou Bussan Co., Ltd.
Koyou Service Co., Ltd.
OST Co., Ltd.
Design Partners
Nobuhiko Shimada
Akinori Inuzuka
Kazuya Katagiri
Our English-speaking agent can help you.
Using our knowledge and expertise we have developed over the years,we wish to provide the best services to our customers.