With the philosophy “Thinking of happiness. Creating happiness.”, we place our focus on people and life, continuously creating homes and communities worth living in.

By integrating multiple fields — from real estate and construction to hospitality and energy — all companies within the Group operate as a unified entity. With the aim of maximizing corporate value and fostering sustainable development, we continue to pursue our mission of becoming a corporation that “brings happiness to people and to the future of the Earth.”

Information about the Group

MIRARTH Holdings IncOfficial Website

  • Business Field: Management of Group companies
  • Address: 16F, Tekko Building, 1-8-2 Marunouchi, Chiyoda-ku, Tokyo
  • Tel: 03-6551-2125
  • Fax: 03-6551-2126
  • Representative: Representative Director Kazuichi Shimada
  • Established: September 1972
  • Capital: 9,056 million yen
Takara Leben Co., LtdOfficial Website

  • Business Fields: Planning, development, and sales of newly built condominium properties; property liquidation; leasing; and real estate distribution
  • Address: 1-8-2 Marunouchi, Chiyoda-ku, Tokyo
  • Telephone: 03-6551-2100 (Main)
  • Fax: 03-6551-2109
  • Representative: Representative Director Shoichi Akisawa
  • Established: August 1989
  • Capital: 400 million yen
Leben Community Co., LtdOfficial Website

  • Business Fields: Property management, leasing, insurance agency
  • Address: 13F, Shiba Park A Building, 2-4-1 Shibakoen, Minato-ku, Tokyo
  • Telephone: 0120-901-135
  • Fax: 03-6890-7710
  • Representative: Representative Director Shinsuke Naka
  • Established: April 1988
  • Capital: 60 million yen