TANAKEN Company Description

TANAKEN Inc. engages in the planning of construction and management of demolition work of building structures and related construction work in Japan.

The company offers planning, construction planning, outsourcing and equipment arrangement, construction management, safety management, cost management, fund management, administrative correspondence, and neighborhood correspondence.

It also undertakes demolition business, soil and underground remediation, civil engineering work, and recycling business.

The company was formerly known as Tanaken and changed its name to TANAKEN Inc. in April 2025. The company was incorporated in 1982 and is headquartered in Tokyo, Japan.

TANAKEN Inc. is a subsidiary of Three Hundred Holdings Co., Ltd.

TANAKEN Inc.

Country	Japan
Founded	1982
Industry	Engineering & Construction
Sector	Industrials
Employees	102
CEO	Yasushi Nakao

Contact Details

Address: 1-9-1 Higashi-Shinbashi Building Tokyo, 105-7309 Japan
Phone	81 3 6264 5520
Website	tanaken-1982.co.jp

Stock Details

Ticker Symbol	1450
Exchange	Tokyo Stock Exchange
Fiscal Year	April - March
Reporting Currency	JPY
ISIN Number	JP3468860006
SIC Code	1700

Key Executives

Name	Position
Yasushi Nakao	Chief Executive Officer