| Company name | Group | Parent | Subsidiary | Customer | Supplier | Alliance | Bank | Shareholder |
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| キッズガーデンエデュケーションラボ 麻布台ヒルズ | ||||||||
| キッズガーデンプレップスクール 麻布台ヒルズ | ||||||||
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| WITH Holdings Co., Ltd. | ||||||||
| 語学学校ハワイパームスイングリッシュスクール |
Graduated from Waseda University Faculty of Law and joined Hakuhodo Inc. in 1995.
Founded Kids Smile Project Inc. (now Smile Project Inc.) in 2008.
Established Kids Smile Project Inc. (now Smile Project Inc.) in 2008.
Established Kids Smile Project Inc. with the business purpose of managing nurseries, kindergartens, and other childcare facilities in Fukasawa, Setagaya-ku, Tokyo.
Opened the first integrated preschool and nursery school in Setagaya-ku, Tokyo.
Joined Shinnihon Limited Liability Audit Corporation (now EY Shinnihon Limited Liability Audit Corporation) in 2010.
Opened an integrated preschool and nursery school in Minato-ku, Tokyo.
Opened the first authorized nursery school in Bunkyo-ku, Tokyo, and a small-scale nursery in Meguro-ku, Tokyo. Moved headquarters from Fukasawa, Setagaya-ku, Tokyo, to Minami-Azabu, Minato-ku, Tokyo.
Opened one licensed nursery school in Bunkyo Ward, Tokyo, the first in our group; opened one small-scale nursery school in Meguro Ward, Tokyo; relocated headquarters from Fukasawa, Setagaya Ward, Tokyo, to Minami-Azabu, Minato Ward, Tokyo.
Opened a Tokyo-certified nursery in Musashino, Tokyo, and an integrated preschool and nursery school in Minato-ku, Tokyo.
Opened one Tokyo-certified nursery school in Musashino City, Tokyo; opened one preschool-integrated nursery school in Minato Ward, Tokyo.
Converted a small-scale nursery in Meguro-ku, Tokyo, to a licensed nursery, and opened a licensed nursery in Kawasaki, Kanagawa, a small-scale licensed nursery, and a small-scale licensed nursery in Ota-ku, Tokyo, and a small-scale licensed nursery in Nagoya, Aichi.
Opened licensed nurseries in Shinagawa-ku and Ota-ku, Tokyo.
Opened one licensed nursery school in Toshima Ward, Tokyo.
Established Yuta Tokumitsu Certified Public Accountant Office in 2016.
Opened licensed nurseries in Koganei, Tokyo; Setagaya, Tokyo; and Nagoya, Aichi.
Relocated headquarters from Minami-Azabu, Minato-ku, Tokyo, to Azabujuban, Minato-ku, Tokyo.
Converted a small-scale licensed nursery in Meguro-ku, Tokyo, to a licensed nursery.
Converted a Tokyo-certified nursery in Musashino, Tokyo, to a licensed nursery, and opened two licensed nurseries in Yokohama, Kanagawa, and two in Shinagawa-ku, Tokyo.
Opened an integrated preschool and nursery school in Shibuya-ku, Tokyo.
Opened a licensed nursery in Kita-ku, Tokyo.
Relocated headquarters from Azabujuban, Minato-ku, Tokyo, to Nishi-Gotanda, Shinagawa-ku, Tokyo.
Opened one licensed nursery school in Nakano Ward, Tokyo.
Founded Kids Smile Holdings Inc. (now Smile Holdings Inc.) in 2018 and assumed the position of President and CEO.
Participated in the founding of Kids Smile Project Inc. (now Smile Project Inc.).
Founded Kids Smile Holdings Inc. (now Smile Holdings Inc.) in 2018 and assumed the position of President and CEO.
Opened a licensed nursery in Sumida-ku, Tokyo; four in Shinagawa-ku, Tokyo; one in Setagaya-ku, Tokyo; one in Toshima-ku, Tokyo; two in Adachi-ku, Tokyo; one in Koganei, Tokyo; one in Mitaka, Tokyo; and one in Yokohama, Kanagawa. The company was established through a share transfer, making Kids Smile Project Inc. a wholly owned subsidiary.
Opened one licensed nursery school in Sumida Ward, Tokyo; four licensed nursery schools in Shinagawa Ward, Tokyo; one licensed nursery school in Setagaya Ward, Tokyo; one licensed nursery school in Toshima Ward, Tokyo; two licensed nursery schools in Adachi Ward, Tokyo; one licensed nursery school in Koganei City, Tokyo; one licensed nursery school in Mitaka City, Tokyo; one licensed nursery school in Yokohama City, Kanagawa Prefecture; established the company through a share transfer and made Kids Smile Project Inc. a wholly owned subsidiary.
Opened a licensed nursery in Nakano-ku, Tokyo.
Opened two licensed nurseries in Sumida-ku, Tokyo; two in Suginami-ku, Tokyo; one in Nakano-ku, Tokyo; two in Koto-ku, Tokyo; one in Koganei, Tokyo; one in Adachi-ku, Tokyo; and one in Shinjuku-ku, Tokyo.
Opened one licensed nursery school in Nakano Ward, Tokyo; opened one licensed nursery school in Kita Ward, Tokyo.
Opened one licensed nursery school in Toshima Ward, Tokyo.
Opened an early childhood education classroom in Shibuya-ku, Tokyo.
Opened one licensed nursery school in Meguro Ward, Tokyo.
Opened 3 licensed nurseries in Koto Ward, Tokyo, 1 licensed nursery in Katsushika Ward, Tokyo, 3 licensed nurseries in Adachi Ward, Tokyo, 1 licensed nursery in Shinagawa Ward, Tokyo, and 1 licensed nursery in Kokubunji City, Tokyo
Opened one licensed nursery school in Toshima Ward, Tokyo.
Opened one licensed nursery school in Meguro Ward, Tokyo.
Served as Director and President of Space Market Inc. from 2021 (resigned in 2025).
Opened a after-school facility in Minato Ward, Tokyo. Opened 1 licensed nursery in Itabashi Ward, Tokyo, 1 licensed nursery in Edogawa Ward, Tokyo, 1 licensed nursery in Katsushika Ward, Tokyo, 2 licensed nurseries in Koto Ward, Tokyo, 2 licensed nurseries in Suginami Ward, Tokyo, 1 licensed nursery in Setagaya Ward, Tokyo, and 1 licensed nursery in Koganei City, Tokyo
Opened one after-school facility in Minato Ward, Tokyo; one licensed nursery school in Itabashi Ward, Tokyo; one licensed nursery school in Edogawa Ward, Tokyo; one licensed nursery school in Katsushika Ward, Tokyo; two licensed nursery schools in Koto Ward, Tokyo; two licensed nursery schools in Suginami Ward, Tokyo; one licensed nursery school in Setagaya Ward, Tokyo; one licensed nursery school in Koganei City, Tokyo.
Established a preschool-integrated childcare facility in Minato Ward, Tokyo
Appointed outside director of our company (formerly Kids Smile Holdings Inc.) in 2022.
Registered as a lawyer in 2022 and joined Mori Law Office.
Established Hata Legal Office in 2022.
Appointed Vice President of the Kanagawa Bar Association in 2022.
Opened a after-school facility in Minato Ward, Tokyo. Opened 1 licensed nursery in Suginami Ward, Tokyo, and 1 licensed nursery in Koganei City, Tokyo
Opened one after-school facility in Minato Ward, Tokyo; one licensed nursery school in Suginami Ward, Tokyo; one licensed nursery school in Koganei City, Tokyo.
Opened a licensed nursery in Edogawa Ward, Tokyo
Appointed Chairman of the Board of Kids Smile Project Inc. (now Smile Project Inc.) from 2023.
Appointed as director and audit and supervisory committee member of our company (formerly Kids Smile Holdings Inc.) from 2023.
Since 2023, serving as Chairman of the Board of Kids Smile Project Inc. (now Smile Project Inc.).
Opened a global school in Sumida Ward, Tokyo. Opened 1 licensed nursery in Nerima Ward, Tokyo
Opened one global school in Sumida Ward, Tokyo; opened one licensed nursery school in Nerima Ward, Tokyo.
From 2024, serves as an outside director and audit committee member of Atray Inc., and as an outside auditor of Kokopeli Inc.
Opened a global school in Musashino City, Tokyo
Opened Kids Garden Prep School Azabudai Hills
Grouped with WITH Holdings Corporation
Smile Project Inc. will launch a new initiative in April 2027 at eight approved childcare centers, offering "Kids Garden English Plus" and "Kids Smile English Plus" programs that introduce English and diverse cultures. While valuing Japanese language and culture, the program aims to naturally incorporate English into everyday life.
Smile Holdings announced on March 23, 2026 that it had entered into a share transfer agreement with WITH Holdings and welcomed the company into its group. WITH Holdings operates childcare and nursing care facilities primarily in Tokyo, Saitama, and Kanagawa Prefectures, providing a wide range of services. The two companies will share childcare management know-how and aim to provide better services.
Smile Holdings Inc. signed a business partnership agreement with Hawaii's Hawaii Pali Swing English School on November 1, 2025.
Smile Holdings Inc. subsidiary Smile Project Inc. will open "Kids Garden Prep School" and "Kids Garden Education Lab Azabudai Hills" on December 1, 2025. These facilities are new establishments of the company, which operates 81 facilities mainly in the Tokyo metropolitan area.
Smile Project Inc. conducted an experiential learning program called "Health Education Project" aimed at preschool children at Kids Smile Koto Higashuna Nursery School, a licensed daycare center, to cultivate correct knowledge and interest in immunity. The event was held on March 13, 2025, with the goal of improving children's health awareness.
Kids Smile Holdings Co., Ltd. will change its company name to Smile Co., Ltd. on January 1, 2025, due to business expansion. As a result, the company will expand its business from early childhood education to comprehensive personal care services, focusing on countermeasures for declining birthrates and solving social issues. There will be no change in location or contact information.
Kids Smile Project Inc. will open a new global school in Kichijoji on October 1, 2024. The new school is part of its international education business, aiming for business growth and service improvement.
Smile Holdings Inc. has released the video of the IR seminar for individual investors hosted by Logme on June 15, 2024. A viewing link is provided.
Smile Holdings Co., Ltd. will participate in the IR seminar hosted by logmiFinance on June 15, 2024. The president, Nakanishi, will explain the company overview, performance, and management plans. The seminar will be held online, and registration can be made from the designated page.
The content where the CEO of Smile Holdings Inc., Masafumi Nakanishi, talks about growth strategies will be broadcast on March 22 on RadioNIKKEI's program "Focus on This Company! The Fortune God of the Market." The broadcast will be 30 minutes starting at 18:00, and it can also be listened to via podcast.