Group Companies Information
Guided by the philosophy “Think about happiness. Create happiness,”
we focus on people and everyday living, creating homes and communities.
With real estate as our core business, we integrate various industries including construction, hotels, and energy.
All group companies work together as one to maximize corporate value and achieve sustainable growth.
We continue to take on new challenges as a company that creates happiness for the future of people and the planet.

MIRARTH Holdings Co., Ltd.
Official website
| Business Description
Address
Tel Fax Representative Established Capital |
Management and administration of group companies 16th Floor, Tekko Building 1-8-2 Marunouchi, Chiyoda-ku, Tokyo, Japan +81-3-6551-2125 +81-3-6551-2126 Representative Director & President Shimada Kazuichi September 1972 JPY 9,056 million |
Takara Leben Co., Ltd Official website
| Business Description
Address Tel Fax Representative Established Capital |
Planning, development, and sales of newly built
condominium units, Real estate distribution and circulation business, Property leasing business, Distribution business 1-8-2 Marunouchi, Chiyoda-ku, Tokyo, Japan +81-3-6551-2100 (Main) +81-3-6551-2109 Representative Director Shoichi Akizawa August 1989 JPY 400 million |
Leben Community Co., Ltd Official website
| Business Description
Address
Tel Fax Representative Established Capital |
Real estate management services, Property leasing
business, Insurance agency services 13F, Shiba Park Building A 2-4-1 Shibakoen, Minato-ku, Tokyo, Japan +81-120-901-135 +81-3-6890-7710 Representative Directo Shinsuke Naka April 1988 JPY 60 million |
Leben Home Build Co., Ltd Official website
| Business Description
Address
Tel Fax Representative Established Capital |
Development and sales of newly built detached houses,
Construction business 6F & 8F, Kinki Building 4-1-21 Nihonbashi Muromachi, Chuo-ku, Tokyo, Japan +81-3-6262-1071 +81-3-6262-1077 Representative Director Tadayuki Hara July 1987 JPY 200 million |
Takara Leben Realnet Co., Ltd Official website
| Business Description
Address Tel Fax Representative Established Capital |
Real estate brokerage and distribution services,
Consignment sales services (sales agency for real estate) 7F, Central Building 1-1-5 Kyobashi, Chuo-ku, Tokyo, Japan +81-3-6661-9210 +81-3-6661-9220 Representative Director Kenichiro Ogawa May 1977 JPY 30 million |
Leben Zestock Co., Ltd Official website
| Business Description
Address
Tel Fax Representative Established Capital |
Real estate acquisition and resale business, Property
leasing business 16F, Yurakucho Denki Building North Wing 1-7-1 Yurakucho, Chiyoda-ku, Tokyo, Japan +81-3-6259-1733 +81-3-3201-5788 Representative Director Norihiko Yoshimura December 2001 JPY 490 million |
Leben Trust Co., Ltd Official website
| Business Description
Address
Tel Fax Representative Established Capital |
Rental property management services, Property leasing
business 13F, Shiba Park Building B 2-4-1 Shibakoen, Minato-ku, Tokyo, Japan +81-3-6907-2160 +81-3-6809-1637 Representative Director Takahiro Nomura January 2016 JPY 60 million |
Takara Leben Thailand Co., Ltd
| Business Description
Address
Representative Established |
Investment in real estate business
30th Floor, Bhiraj Tower at EmQuartier 689 Soi 35, Sukhumvit Road Khlong Tan Nuea, Vadhana Bangkok 10110, Thailand Taishi Iwamoto August 2022 |
MIRARTH Energy Solutions Co., Ltd Official website
| Business Description
Address
Tel Fax Representative Established Capital |
Renewable energy business
5F, Iidabashi Building 1-18 Kagurazaka, Shinjuku-ku, Tokyo, Japan +81-3-3233-2551 +81-3-3233-2552 Representative Director Kentaro Taniguchi March 2016 JPY 2,155 million |
MIRARTH Green Tech Co., Ltd Official website
| Business Description
Address
Representative Established Capital
|
Renewable energy business centered on biomass power
generation using organic resources. Including activities such as: Resource recycling systems, Cogeneration systems 5F, Iidabashi Building 1-18 Kagurazaka, Shinjuku-ku, Tokyo, Japan Representative Director Kentaro Taniguchi June 2023 JPY 50 million |
MIRARTH Green Tech Co., Ltd. Official website
| Business Description
Address
Representative Established Capital Shareholding Ratio |
Cashew cultivation, Research, development, production,
and sales of biomass fuel using cashew nuts, Operations are entrusted to TPJC Co., Ltd. (local subsidiary in Cambodia) Address: No.1159, National Road No.2 Prek Tanuo Village, Sangkat Chak Angre Leu Khan Mean Chey, Phnom Penh Kingdom of Cambodia Koji Sasaki November 2023 USD 600,000 Shareholding Ratio: 100% owned by MIRARTH Green Tech Co., Ltd. |
MIRARTH Asset Management Co., Ltd Official website
| Business Description
Address
Tel Fax Representative Established Capital |
Investment management business, Type II financial
instruments business, Investment advisory and agency services 18F, Taisei Otemachi Building 1-1 Otemachi 2-chome, Chiyoda-ku, Tokyo, Japan +81-3-6262-6402 +81-3-6262-6403 Representative Director Takehiko Kusajima October 2013 JPY 250 million |
MIRARTH Real Estate Investment Advisory Co., Ltd Official website
| Business Description
Address Tel Fax Representative Established Capital |
Investment management business
1-14-15 Akasaka, Minato-ku, Tokyo, Japan +81-3-6435-5264 +81-3-6435-5314 Representative Director Tetsuo Yukita January 2016 JPY 50 million |






