Overview
Information & Communication

O.B.System Inc.

OB System is an independent system integrator providing end-to-end IT services spanning consulting, design, development, and operations across four service lines: Financial (banking, insurance, securities, credit), Industrial & Distribution (manufacturing, retail, embedded software), Social & Public (utilities, infrastructure, government, education), and IT Innovation (cloud, DX solutions). The company maintains long-standing partnerships with Hitachi (40+ years) and Mitsubishi Electric Software (30+ years) as key business partners, and offers proprietary products including the clinical laboratory system 'CLIP' series (with AI functionality launched in April 2025) and the health screening system 'MEX-Plus.' The company actively pursues growth in DX, cloud computing, and IoT embedded solutions across its target verticals.

Market Cap
¥7.14B
US$45.5M
EV
¥2.34B
US$14.9M
Stock¥3,065▼-4.52%
US$1 = ¥156.80 (2026-10-23)
LTM EV/EBITDA
3.0
x
LTM EV/EBIT
3.2
x
LTM PER
11.1
x
LTM PBR
1.2
x
Stock vs TOPIX (1Y, base=100)vs TOPIX ▼-14.7%pt
1001
Oct 24, 25 – Oct 23, 26StockTOPIX
1Oct 22, 26Q2 FY2027/03 earnings announced
MC → EV Bridge
7.14BUS$45.5MMarket Cap0.24BUS$1.55M+ Debt2.48BUS$15.8M− Cash2.56BUS$16.3M− Inv. Sec.2.34BUS$14.9MEV
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Performance & Balance
Revenue 5Y (¥B)
6.90US$44.0M'24/37.68US$49.0M'25/38.66US$55.2M'26/3
EBITDA 5Y (¥B)
0.61US$3.86M'24/30.60US$3.80M'25/30.72US$4.58M'26/3
Net Income 5Y (¥B)
0.44US$2.81M'24/30.49US$3.09M'25/30.60US$3.82M'26/3
Capital Structure
96%
EquityD/E 0.04xDebt
Liquidity vs Debt 5Y (¥B)▲ Net Cash
CashInv. Sec.Debt
3.78US$24.1M'24/34.65US$29.7M'25/34.80US$30.6M0.27US$1.73M'26/3
Shareholders
Top 10 hold 77.7%
1
OBIC Co.,Ltd.
28.38%
2
Takashi YAMADA
23.86%
3
New Dream Co., Ltd.
8.60%
4
O.B.System Inc. Employee Stock Ownership Association
7.53%
5
Hikari Tsushin KK Investment Limited Liability Partnership
3.56%
6
Toshio TOYODA
1.36%
7
Kazuo KOJIMA
1.29%
8
Masami NISHIMURA
1.23%
9
Shigeo MAKITA
1.01%
10
Kinji MINEO
0.86%
Management
10 officers
Toshio TOYODA
Representative Director, President
Apr 1979 Joined Daiwa Securities Co., Ltd. Nov 2007 Joined Cosmo Securities Co., Ltd. (currently Iwai Cosmo Securities Co., Ltd.) Aug 2015 Joined H.S. Securities Co., Ltd. (currently J Trust Global Securities Co., Ltd.) Mar 2019 Joined the Company; General Manager, Corporate Planning Office Jun 2019 Director of the Company Apr 2020 Representative Director, President of the Company (current)
1954-08-27
Kinya SUGITA
Director, Group Head of Financial Business
Apr 1982 Joined the Company Apr 2012 General Manager, Financial Division 1, Tokyo Division 1 of the Company Apr 2017 General Manager, Division 1 of the Company Apr 2020 Executive Officer, General Manager, Financial Business Division of the Company Jul 2021 Director, General Manager, Financial Business Division of the Company May 2025 Director, Green Cat Co., Ltd. Apr 2026 Director, Group Head of Financial Business of the Company (current) Director and Vice President, Green Cat Co., Ltd. (current)
1961-05-28
Tadatsugu KAMIMURA
Director, General Manager, Social Public Business Division
Apr 1983 Joined the Company Apr 2012 General Manager, Division 5, Osaka Division 2 of the Company Apr 2017 General Manager, Division 5 of the Company Apr 2020 Executive Officer, General Manager, Social Public Business Division of the Company Jul 2021 Director, General Manager, Social Public Business Division of the Company (current)
1961-01-08
Shigeharu SUGIMOTO
Director, General Manager, Administration Division
Apr 1979 Joined the Company Apr 2007 Executive Officer, General Manager, Financial Group Business Division of the Company Apr 2008 Managing Executive Officer, General Manager, Financial Division 1 of the Company Apr 2012 Managing Executive Officer, in charge of Osaka region and General Manager, Osaka Division 2 of the Company Apr 2016 Managing Executive Officer, General Manager, Division 4 of the Company Apr 2020 General Manager, Corporate Planning Department of the Company Jul 2021 Executive Officer, General Manager, Administration Division of the Company Jul 2022 Director, General Manager, Administration Division of the Company (current)
1957-03-21
Atsushi HASEGAWA
Director, Assistant to the President
Mar 1979 Joined Hitachi, Ltd. Oct 2009 General Manager, Financial Channel Solutions Division, Financial Systems Business Unit, Hitachi, Ltd. Apr 2012 General Manager, National Financial Systems Division, Financial Systems Business Unit, Hitachi, Ltd. Apr 2015 General Manager, Financial Channel Solutions Business Unit, Hitachi, Ltd. Apr 2016 Joined Hitachi-Omron Terminal Solutions Corp. (currently Hitachi Channel Solutions Corp.); Executive Officer, General Manager, Domestic Business Unit Apr 2017 Managing Executive Officer, General Manager, Domestic Business Unit, Hitachi Channel Solutions Corp. Apr 2020 Director, Managing Executive Officer, General Manager, Domestic Business Unit, Hitachi Channel Solutions Corp. Apr 2022 Executive Advisor, Hitachi Channel Solutions Corp. Apr 2023 Joined the Company; Executive Officer, in charge of Sales and Development Promotion Divisions Jun 2024 Director, in charge of Sales and Development Promotion Divisions of the Company Apr 2026 Director, Assistant to the President of the Company (current)
1960-11-24
Toru SHIRAISHI
Director
Apr 1982 Joined Daiwa Securities Co., Ltd. Apr 2000 Joined Monex Securities Co., Ltd. Nov 2003 Joined Mizuho Securities Co., Ltd. Jul 2015 Representative Director, S Consulting Y.K. (current) Sep 2015 Outside Director (Audit and Supervisory Committee Member), T-NET Japan Co., Ltd. (current) Jul 2022 Outside Director of the Company (current)
1957-10-25
Keiko HORINO
Director
Oct 2005 Registered as attorney; joined Kitahama Law Office (currently Kitahama Law Office LPC) Jan 2013 Partner, Kitahama Law Office, Foreign Law Joint Enterprise (currently Kitahama Law Office LPC) (current) May 2021 Outside Director, Medical Ichiko Group Co., Ltd. (current) Jan 2023 Outside Director of the Company (current) Apr 2025 Outside Director, Unitika Ltd. (current)
1981-08-13
Tenzan WATANABE
Standing Corporate Auditor
Apr 1979 Joined Daiwa Securities Co., Ltd. Apr 2009 General Manager, Finance Department, Daiwa Securities Co., Ltd. Apr 2011 Executive Officer in charge of Finance, Daiwa Institute of Research Holdings Ltd. (currently Daiwa Institute of Research Ltd.) Apr 2013 Corporate Auditor, Daiwa Institute of Research Ltd. Jun 2019 Outside Corporate Auditor of the Company Jun 2021 Standing Outside Corporate Auditor of the Company (current) Apr 2024 Corporate Auditor, Human & Technology Co., Ltd. (current) Jun 2025 Corporate Auditor, Green Cat Co., Ltd. (current)
1955-12-04
Tomonori ANAN
Corporate Auditor
Apr 1999 Joined Obic Co., Ltd. Apr 2020 Executive Officer, General Manager of Corporate Planning Office and General Manager of Accounting Division, Obic Co., Ltd. Jun 2020 Corporate Auditor, Obic Office Automation Co., Ltd. (current) Jul 2020 Outside Corporate Auditor of the Company (current) Jun 2021 Outside Corporate Auditor, Obic Business Consultants Co., Ltd. (current) Apr 2025 Executive Officer, General Manager of Accounting Division, Obic Co., Ltd. (current)
1976-10-13
Kenji SASAKI
Corporate Auditor
Sep 1983 Joined Ota Tetsuzo Certified Public Accountants' Office (currently EY ShinNihon LLC) Mar 1988 Registered as Certified Public Accountant Jul 2018 Head, Kenji Sasaki Certified Public Accountant Office (current) Jul 2019 Outside Corporate Auditor, Nichiha Corporation (current) Jun 2021 Outside Corporate Auditor of the Company (current) Feb 2025 Head, Sasaki International Administrative Scrivener Office (current)
1955-09-14
Large Shareholding Reports
Takashi YAMADA
2025-07-29
31.90%→23.45%
Annual report (as of 2026-03-31): 23.86%
Disclosures
No disclosures
Primary Source Filings
TDnet
2026-10-21
Q2 Earnings Flash
FY ending Mar 2027
TDnet
2026-07-22
Q1 Earnings Flash
FY ending Mar 2027
EDINET
2026-06-17
Annual Securities Report
Period: Apr 2025 – Mar 2026
TDnet
2026-01-23
Q3 Earnings Flash
FY ending Mar 2026
EDINETAmended
2025-11-13
Amended Annual Securities Report
Period: Apr 2023 – Mar 2024
EDINET
2025-11-13
Semi-Annual Securities Report
Period: Apr 2025 – Mar 2026
EDINET
2025-07-29
Large Shareholding Report
TDnet
2025-07-23
Q1 Earnings Flash
FY ending Mar 2026
EDINET
2025-06-20
Annual Securities Report
Period: Apr 2024 – Mar 2025
TDnet
2025-02-10
Q3 Earnings Flash
FY ending Mar 2025
EDINET
2024-11-11
Semi-Annual Securities Report
Period: Apr 2024 – Mar 2025
TDnet
2024-08-08
Q1 Earnings Flash
FY ending Mar 2025
EDINET
2024-06-21
Annual Securities Report
Period: Apr 2023 – Mar 2024
EDINET
2024-02-07
Quarterly Securities Report
Period: Oct 2023 – Dec 2023
EDINET
2023-11-08
Quarterly Securities Report
Period: Jul 2023 – Sep 2023
EDINET
2023-08-04
Quarterly Securities Report
Period: Apr 2023 – Jun 2023
EDINET
2023-06-29
Annual Securities Report
Period: Apr 2022 – Mar 2023
EDINETAmended
2023-06-13
Amended Securities Registration Statement
EDINETAmended
2023-06-05
Amended Securities Registration Statement
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