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Overview

Information & Communication

MRSO.,Inc

MRSO Inc. operates Japan's largest preventive healthcare platform 'MRSO.jp,' enabling users to search and book from over 9,000 health checkup and cancer screening plans across approximately 1,906 registered medical facilities nationwide. The company also provides vertical SaaS solutions to medical institutions (web-based reservation systems, health checkup workflow management), corporations (employee health management DX), and over 600 local governments (administrative DX services). Revenue is generated primarily through a performance-based model on bookings, supplemented by advertising and SaaS subscription fees.

Market Cap

¥2.99B

US$19.0M

¥1.20B

US$7.66M

Stock¥851▼-0.70%

US$1 = ¥156.80 (2026-10-23)

LTM EV/EBITDA

LTM EV/EBIT

LTM PER

LTM PBR

1.5

Stock vs TOPIX (1Y, base=100)vs TOPIX ▼-36.1%pt

Oct 24, 25 – Oct 22, 26StockTOPIX

MC → EV Bridge

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Performance & Balance

Revenue 5Y (¥B)

EBITDA 5Y (¥B)

Net Income 5Y (¥B)

Capital Structure

100%

EquityD/E 0.00xDebt

Liquidity vs Debt 5Y (¥B)▲ Net Cash

CashInv. Sec.Debt

Shareholders

Top 10 hold 84.6%

as of 2026-06-30 · Source: Annual Securities Report

Kogoro NISHINO

41.01%

Sanwa System Co., Ltd.

15.04%

Arihiro KANDA

8.17%

Daiichi Life Group Co., Ltd.

4.97%

SHIFT Inc.

3.78%

Junichi ABE

3.43%

AVJ No. 1 Investment Limited Partnership

2.65%

EPARK, Inc.

2.35%

Capital All Ltd.

1.62%

Junichi SUGO

1.53%

Management

9 officers

Kogoro NISHINO

Representative Director, President, CEO

Oct 2002 Established Creatif Consulting; Vice President and Director Feb 2004 Director, Sanwa System Co., Ltd. Jan 2011 Representative Director, Sanwa System Co., Ltd. Feb 2015 Established the Company; Chairman and Director Aug 2016 Director, the Company Mar 2017 Representative Director, the Company Dec 2024 Chairman, MRSO ASIA Co., Ltd. (current) Mar 2025 Representative Director, CEO, the Company (current)

1978-12-02

Junichi ABE

Vice President and Director, COO

Jun 2005 Established Y.I.T.C. Ltd.; Representative Director Sep 2011 Executive Officer, Sanwa System Co., Ltd. Feb 2015 Director, CTO, Sanwa System Co., Ltd. Nov 2018 Director, the Company Jan 2019 Director, General Manager of Administration Division, the Company Mar 2020 Vice President and Director, the Company Mar 2025 Vice President and Director, COO, the Company (current)

1978-10-20

Junichi SUGO

Director, General Manager of Health Tech Business Division

Apr 2008 Joined Sanwa System Co., Ltd. Feb 2015 Joined the Company Jun 2016 Director, the Company Nov 2016 Director, General Manager of Business Promotion Department, the Company Dec 2016 Director, General Manager of Business Promotion Division, the Company Aug 2017 Director, General Manager of Health Tech Business Division, the Company (current)

1985-05-19

Seiichiro IGUCHI

Director, CFO, General Manager of Administration Division and Head of Corporate Planning Office

Apr 2014 Joined SMBC Nikko Securities Inc. Oct 2016 Joined Renewable Japan Co., Ltd. Jan 2023 Joined Iris Co., Ltd. Mar 2025 Joined the Company as Executive Officer, Head of Corporate Planning Office Mar 2025 Director, CFO, Head of Corporate Planning Office, the Company Feb 2026 Director, CFO, General Manager of Administration Division and Head of Corporate Planning Office, the Company (current)

1989-11-28

Hiroshi YOSHIDA

Director

Apr 1988 Joined Viva Home Co., Ltd. (now Arclands Corporation) Apr 1998 Joined Poplar Co., Ltd. Mar 2000 Joined ACCESS Co., Ltd. Aug 2005 Joined Golf Partner Co., Ltd. Apr 2008 Joined Cubic Net Co., Ltd. (now Cubic Net Holdings Co., Ltd.) Jan 2019 Joined the Company as General Manager of Management Department Mar 2020 Director, General Manager of Administration Division and Management Department, the Company Mar 2022 Director, General Manager of Administration Division and Administration Department, the Company Oct 2024 Director, General Manager of Administration Division, the Company Feb 2026 Director, the Company (current)

1965-12-29

Hideki KIKUCHI

Director

Feb 1992 Representative Director, President, Energy Co., Ltd. (current) Dec 2015 Director, Titi Bank Co., Ltd. Mar 2017 Outside Corporate Auditor, the Company Mar 2023 Outside Director, the Company (current)

1962-08-16

Shuhei NISHIYAMA

Director, Full-time Audit and Supervisory Committee Member

Sep 2007 Joined Deloitte Tohmatsu Audit (now Deloitte Touche Tohmatsu LLC) Jul 2013 Joined Adastria Holdings Co., Ltd. Oct 2015 Joined Eureka, Inc. Jul 2016 Joined Azusa Audit LLC Sep 2022 Established KOTOBUKI Accounting Co., Ltd.; Representative (current) Mar 2025 Outside Director, Audit and Supervisory Committee Member, the Company (current)

1984-06-13

Mitsuko HORIKOSHI

Director, Audit and Supervisory Committee Member

Oct 2005 Registered as Attorney-at-Law Oct 2005 Joined Kumagai Shintaro Law Office (now Kumagai Sogo Law Office) (current) Dec 2015 Outside Corporate Auditor, the Company Jul 2020 Outside Corporate Auditor, Otomoto Publishing Co., Ltd. (current) Mar 2025 Outside Director, Audit and Supervisory Committee Member, the Company (current)

1973-04-17

Takae WATANABE

Director, Audit and Supervisory Committee Member

Oct 2017 Joined Long Black Partners Co., Ltd. Feb 2021 Joined Azusa Audit LLC Dec 2022 Established Watanabe CPA Office; Representative (current) Feb 2023 Joined Jenerate Partners Co., Ltd. (current) Mar 2023 Outside Corporate Auditor, the Company Mar 2025 Outside Director, Audit and Supervisory Committee Member, the Company (current)

1994-03-04

Large Shareholding Reports

Kogoro NISHINO

2026-06-30

40.74%→40.50%

Annual report (as of 2026-06-30): 41.01%

Disclosures

No disclosures

Primary Source Filings

EDINET

2026-08-14

Semi-Annual Securities Report

Period: Jan 2026 – Dec 2026

MRSO.,Inc

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MRSO.,Inc

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