August 1989Established "Ninomiya Bussan Co., Ltd." in Asodamachi, Matsuyama, Ehime
1990
February 1996Relocated head office to 3-chome, Okaido, Matsuyama, Ehime Started leasing management business (24-hour service)
July 1997Changed company name to "Jutaku Joho Kan Co., Ltd."
2000
July 2002 Started condominium management business
October 2002Started metered parking management business
January 2004Started real estate investment consulting business
January 2007Joined Minimini, a nationwide rental housing franchise
June 2007Introduced leasing guarantee system by Zenhoren Co., Ltd.
April 2009Started office building management business
2010
March 2012Started offering the small amount and short term insurance service of Zenkankyo
January 2015 Became a consolidated subsidiary of "Takara Leben Co., Ltd.（currently MIRARTH HOLDINGS, Inc.）"
April 2017Changed company name to "Takara Leben West Japan Co., Ltd." Opened the Fukuoka head office in 2-chome, Tenjin, Chuo-ku, Fukuoka
June 2018Relocated the Matsuyama head office from 3-chome, Okaido to 4-chome, Sanbancho, Matsuyama, Ehime
2020
October 2022Changed company name to "Takara Leben Co., Ltd." Merged with "Takara Leben Tohoku Co.,Ltd." Relocated head office to Tekko Building, Marunouchi, Chiyoda-ku, Tokyo
