Group Companies
"THINK HAPPINESS AND MAKE THE HAPPINESS."
Under this philosophy, we have created homes and cities by focusing on people and their lifestyles.
In a group-wide effort, we integrate our real estate and other businesses, including housing, hotels, and energy, to maximize our corporate value and produce lasting growth, and continue to take on challenges as a company that makes the future of people and the earth happier.

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MIRARTH HOLDINGS, Inc.Official site
Management of group companies, etc.
- Address
- Headquarters Tekko Building 16F, 1-8-2 Marunouchi, Chiyoda-ku, Tokyo
- Representative
- Kazuichi Shimada, Representative Director
- Established
- September 21, 1972
- Capital
- 4,819 million yen
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Leben Community Co., Ltd.Official site
Property management, rental properties, insurance agency, and rehabilitation service
- Address
- 6-14 Sanbancho, Chiyoda-ku, Tokyo
- Representative
- Shinsuke Naka, Representative Director
- Established
- April 1988
- Capital
- 60 million yen
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Leben Home Build Co., Ltd.Official site
New detached house sales business, construction
- Address
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Tokyo Head Office: 8F Kinsan Building, 4-1-21 Nihonbashi Muromachi, Chuo-ku, Tokyo
Yokohama Head Office: 6F Kannai Tosei Building II, 4-45-1 Sumiyoshi-cho, Naka-ku, Yokohama City, - Representative
- Takuji Arita, Representative Director
- Established
- July 1987
- Capital
- 2 million yen
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Takara Leben Realnet Co., Ltd.Official site
Real estate distribution, consignment sales business
- Address
- 3F Shippo Building, 1-13-13 Nihonbashi Kayabacho, Chuo-ku, Tokyo
- Representative
- Takeshi Okabe, Representative Director
- Established
- May 1977
- Capital
- 30 million yen
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Leben Zestock Co., Ltd.Official site
Real estate purchase and resale, real estate rental business
- Address
- Yurakucho Denki North Building 16F
1-7-1,Yurakucho,Chiyoda-ku,Tokyo - Representative
- Norihiko Yoshimura, Representative Director and President
- Established
- December 2001
- Capital
- 10 million yen
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Leben Trust Co., Ltd.Official site
Rental management, real estate rental business
- Address
- Shin-Yokohama AK Building 7F, 3-23-3 Shin-Yokohama, Kohoku-ku, Yokohama City, Kanagawa Prefecture
- Representative
- Shinsuke Naka, Representative Director
- Established
- January 2016
- Capital
- 60 million yen
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Takara Leben(Thailand)Co., Ltd.
Investment in real estate business
- Address
- 689, Bhiraj Tower at Emquartier, 30th Floor, Soi 35, Sukhumvit Road, Klongton Nuea, Vadhana Bangkok , 10110.
- Representative
- Hiroshi Iwamoto
- Established
- August 2022
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Leben Clean Energy Co., Ltd.Official site
Renewable energy projects
- Address
- 5F Iidabashi Bldg., 1-18, Agebacho, Shinjuku-ku, Tokyo
- Representative
- Kentaro Taniguchi, Representative Director
- Established
- March 2016
- Capital
- 6.55 million yen
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Takara Asset Management Co., Ltd.Official site
Investment management, type II financial instruments, and investment advisory and agency
- Address
- Otemachi Nomura Building 16F, 2-1-1 Otemachi, Chiyoda-ku, Tokyo
- Representative
- Mamoru Takahashi, Representative Director
- Established
- October 2013
- Capital
- 2.5 million yen
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Takara PAG Real Estate Advisory Ltd.Official site
Investment management
- Address
- 2F Kowa No.35 Building Annex, 1-14-15 Akasaka, Minato-ku, Tokyo
- Representative
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Masayuki Ishihara, Representative Chairman
Tetsuo Saida, Representative Director and President - Established
- January 2016
- Capital
- 50 million yen