Company Profile Company Name Yachiyo Yotsuba Holdings Co., Ltd. Representative Yasuaki Mizugai Capital Amount 5,000,000 yen (as of the end of June 2026) Board Member Representative Director: Yasuaki Mizugai Director: Kazushi Mizugai Director: Muneyasu Anzai Director: Koichiro Anzai Director: Takehisa Nakao Director: Kiyoko Akiyama Director: Pablo Sebastian Ortega (Doctor) Auditor: Masaru Kobayashi location 645-13 Otsuka, Hachioji City, Tokyo 192-0352 L Maison B Number of employees 160 employees (including group companies) *As of the end of June 2026 Number of establishments 15 businesses (as of the end of June 2026) Business content Group home business Home nursing care business Daily living support services Intensive Home Care Services Transaction bank The Bank of Yokohama,Ltd. The ChibaBank, Ltd. Legal counsel Hiroki SakasakaPartner Attorney,Kazui・Mori・Nagata Law Office Consulting Social Insurance and Labor Consultant Hidehiro Oshima Certified Social Insurance and Labor Consultant, Godo-roken Office Consulting tax accountant Katsunobu YuzawaRepresentative Tax Accountant, Yuzawa Accounting Office History Date History January 2018 August 2018 Established the general incorporated association Yotsuba Group Home Yotsuba Honkan opened March 2019April 2019July 2019 Group Home Yotsuba Budoukan 1st Floor openedGroup Home Yotsuba Arukan openedGroup Home Yotsuba Budoukan 2nd Floor opened March 2020 We have moved our office to Hirayama, Hino City. April 2021August 2021October 2021 Group Home Yotsuba oribukan opened. Visiting nursing station Aru Tamadaira office opened. Group home Yotsuba Himawarikan opened. September 2022 International Welfare Land and Building Co., Ltd. was established. April 2023 Group Home Keyaki Kitazatokan opened February 2024April 2024May 2024 Group Home Keyaki Motohashimotokan opened We began providing intensive home care services in Tokyo and Kanagawa prefectures. Established Aru Co., Ltd. February 2025 May 2025 August 2025 October 2025 Group Home Yotsuba Higashi-koiwa#1kan openedHikari-ba, a life support facility, opened in Yachimata City, Chiba PrefectureGroup Home Keyaki Ooikan opened. Group Home Yotsuba Hosoda#1kan opened. February 2026April 2026July 2026 Visiting Station Tokiwa No. 1 and No. 2 opened.Group Home Yotsuba Nishiteraokan opened.Group Home Yotsuba Oyamamachikan opened. Yachiyo Yotsuba Holdings TEL. 042-506-9608 Reception hours: Weekdays 08:30 - 17:30 Contact Us Click here for the email form. Home Page Yotsuba’s Challenge Hamburger Toggle Menu Business Overview Company Profile Facility Infomation Hamburger Toggle Menu Job Openings Contact Us Hamburger Toggle Menu Privacy Policy