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Overview

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BUSINESS BRAIN SHOWA・OTA INC.

Business Brain Showa-Ota Inc. is a Japanese IT consulting and systems integration firm specializing in management accounting, ERP implementation, and back-office digital transformation for large and mid-sized enterprises. The company offers a comprehensive suite of services including IFRS/accounting compliance consulting, J-SOX internal controls, BPR, HR consulting, and a broad portfolio of accounting/ERP software products (e.g., STRAVIS, DivaSystem, Biz∫, ACT-Potentia). It also operates a growing BPO business encompassing finance, HR, payroll, and payment processing services, supported by delivery centers in Kumamoto, Sapporo, and overseas in Vietnam and Singapore.

Market Cap

US$325M

¥51.9B

US$278M

¥44.4B

StockUS$10.01(¥1,599)▲+1.40%

US$1 = ¥159.70 (2026-11-12)

LTM EV/EBITDA

9.6

LTM EV/EBIT

15.3

LTM PER

18.3

LTM PBR

1.7

Stock vs TOPIX (1Y, base=100)vs TOPIX ▲+21.9%pt

Nov 13, 25 – Nov 13, 26StockTOPIX

MC → EV Bridge

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Performance & Balance

Revenue 5Y (US$)

EBITDA 5Y (US$)

Net Income 5Y (US$)

Capital Structure

90%

EquityD/E 0.12xDebt

Liquidity vs Debt 5Y (US$)▲ Net Cash

CashInv. Sec.Debt

Business Segments

2026/03 · US$ (¥B)

Consulting/System Development, Reportable segment

Revenue

US$145M(¥23.2B)

Segment profit

US$15.2M(¥2.43B)10.5%

BPO Services, Reportable segment

Revenue

US$64.1M(¥10.2B)

Segment profit

US$5.73M(¥0.92B)8.9%

SES Co-Creation Business

Revenue

US$57.3M(¥9.15B)

Segment profit

US$2.62M(¥0.42B)4.6%

Adjustments

Revenue

-US$2.76M(¥-0.44B)

Segment profit

-US$2.27M(¥-0.36B)

Shareholders

Top 10 hold 39.4%

as of 2026-03-31 · Source: Annual Securities Report

The Master Trust Bank of Japan, Ltd. (Trust Account)

6.70%

Employee Stock Ownership Association

6.69%

Hikari Tsushin KK Investment Limited Partnership

6.38%

JFE Systems, Inc.

5.16%

PRONEXUS INC.

4.30%

Japan Master Trust Bank, Ltd. (Officer Compensation BIP Trust Account No. 75813)

2.68%

日本マスタートラスト信託銀行株式会社（株式付与ＥＳＯＰ信託口・80186口）

2.23%

Japan Master Trust Bank, Ltd. (Stock Grant ESOP Trust Account No. 75753)

1.93%

STATE STREET BANK AND TRUST COMPANY 505103 (Standing Proxy: Mizuho Bank, Ltd.)

1.73%

Custody Bank of Japan, Ltd. (Trust Account)

1.62%

Management

14 officers

Kazuhiro KOMIYA

Representative Director, President

Jul 1993 Joined Inoue & Co. Mar 1998 Joined the Company Apr 2003 Head of CPA Office, the Company Apr 2006 Officer, the Company Apr 2008 Head of Accounting Consulting Division, the Company Apr 2011 Executive Officer, Head of Consulting Division, the Company Jun 2013 Director, Executive Officer, Head of Consulting Division, the Company Apr 2015 Director, Managing Executive Officer, Head of Consulting Division, the Company Apr 2017 Director, Senior Managing Executive Officer, Group Consulting Supervisor, Head of Consulting Division, the Company Jun 2018 Representative Director, Senior Managing Executive Officer, Group Consulting Supervisor, Head of Consulting Division, the Company Apr 2019 Representative Director, Senior Managing Executive Officer, Group Consulting Supervisor, the Company Apr 2020 Representative Director, Senior Managing Executive Officer, the Company Jun 2020 Representative Director, President, the Company (current)

1962-09-29

Hitoshi UEHARA

Representative Director, Senior Managing Executive Officer; Group Management Supervisor; Head of Accounting Department; Head of Planning and Administration Division; Head of Corporate Planning Department; Head of Corporate Branding Department

Dec 1988 Joined Ota Showa & Co. (now EY ShinNihon LLC) Jul 2008 Member (Partner), Shin Nihon & Co. (now EY ShinNihon LLC) Mar 2016 Joined the Company Apr 2017 Officer, Head of Global Consulting Business Division, the Company Apr 2018 Deputy Head of Administration Division, Executive Officer, the Company Apr 2020 Executive Officer, Group Management Supervisor, Head of Administration Division, the Company Jun 2020 Director, Executive Officer, Group Management Supervisor, Head of Administration Division, the Company Apr 2021 Director, Managing Executive Officer, Group Management Supervisor, Head of Administration Division, the Company Apr 2022 Director, Senior Managing Executive Officer, Group Management Supervisor, Head of Administration Division, the Company Apr 2023 Director, Senior Managing Executive Officer, Group Management Supervisor, Head of Administration Division and Head of Human Resources Division, the Company Apr 2025 Director, Senior Managing Executive Officer, Group Management Supervisor, Head of Accounting Department, Head of Corporate Branding Department, the Company (current) Jun 2026 Representative Director, the Company (scheduled) Other company representative positions: Representative, Fresco Co., Ltd. (current)

1966-09-10

Hirohito NAKAMURA

Director, Senior Managing Executive Officer; Group Solutions Supervisor; Head of Innovation Promotion Division

Mar 1988 Joined the Company Apr 2011 Officer, Deputy Head of Solutions Division, the Company Apr 2017 Executive Officer, Head of 5th SL Business Division, the Company Apr 2018 Executive Officer, Deputy Head of Consulting SI Division, the Company Apr 2019 Executive Officer, Head of Solutions Consulting Division, the Company Jun 2020 Director, Executive Officer, Head of Solutions Consulting Division, the Company Apr 2021 Director, Managing Executive Officer, Head of Solutions and Consulting Division, the Company Apr 2022 Director, Managing Executive Officer, Group Manufacturing Supervisor, Head of Solutions and Consulting Division, the Company Apr 2025 Director, Managing Executive Officer, Group Solutions Supervisor, Head of Horizon Business Division, the Company Apr 2026 Director, Senior Managing Executive Officer, Group Solutions Supervisor, Head of Innovation Promotion Division, the Company (current) Other company representative positions: Representative, Joyworks Co., Ltd. (current)

1965-08-18

Masato TANIBUCHI

Director, Managing Executive Officer; Group Consulting Supervisor; Head of Accounting Consulting Division; Head of Overseas Business Promotion Office

Oct 1997 Joined Ota Showa & Co. (now EY ShinNihon LLC) Jul 2010 Member (Partner), Shin Nihon LLC (now EY ShinNihon LLC) Mar 2016 Joined the Company Apr 2018 Officer, Head of CPA Office, the Company Apr 2019 Officer, Head of Consulting Division and Head of CPA Office, the Company Apr 2020 Executive Officer, Group Overseas Promotion, Head of Consulting Division and Head of CPA Office, the Company Nov 2020 Executive Officer, Group Overseas Promotion, Head of Consulting Division, Head of Global Shared Services Business Division and Head of CPA Office, the Company Apr 2021 Managing Executive Officer, Group Overseas Promotion, Group Consulting Supervisor, Head of Accounting Consulting Division and Head of CPA Office, the Company Apr 2022 Managing Executive Officer, Group Consulting Supervisor, Head of Accounting Consulting Division and Head of CPA Office, the Company Jun 2022 Director, Managing Executive Officer, Group Consulting Supervisor, Head of Accounting Consulting Division and Head of CPA Office, the Company Apr 2023 Director, Managing Executive Officer, Group Consulting Supervisor, Head of Accounting Consulting Division, the Company Jul 2023 Director, Managing Executive Officer, Group Consulting Supervisor, Head of Accounting Consulting Division and Head of Overseas Business Promotion Office, the Company (current) Other company representative positions: CEO, BBS (Thailand) Co., Ltd. (current)

1971-11-27

Toshiya SUGINO

Director, Managing Executive Officer; Group BPO Supervisor; Head of BPO Division; Head of AppliedAI Promotion Division

Apr 1990 Joined Seson Information Systems Co., Ltd. (now Seson Technologies Co., Ltd.) Feb 2016 Joined BBS Outsourcing Service Co., Ltd. Jun 2017 Executive Officer, Head of Sales Department, BBS Outsourcing Service Co., Ltd. Apr 2019 Director, Managing Executive Officer, BBS Outsourcing Service Co., Ltd. Apr 2023 Director, Senior Managing Executive Officer, BBS Outsourcing Service Co., Ltd. Jun 2023 Representative Director, President, BBS Outsourcing Service Co., Ltd. Apr 2024 Joined the Company; Managing Executive Officer, Head of BPO Division, the Company Jun 2024 Director, Managing Executive Officer, Group BPO Supervisor, Head of BPO Division, the Company Apr 2026 Director, Managing Executive Officer, Group BPO Supervisor, Head of BPO Division and Head of AppliedAI Promotion Division, the Company (current)

1967-03-04

Hisato NODA

Director, Managing Executive Officer; Group Regional Promotion Supervisor; Head of West Japan Division; Head of L&D Promotion Division

Apr 1998 Joined Asahi Information Service Co., Ltd. Oct 2007 Joined the Company Apr 2020 Officer, Branch Manager, Osaka Branch, the Company Apr 2023 Executive Officer, Branch Manager, Osaka Branch, the Company Apr 2024 Managing Executive Officer, Head of West Japan Division, the Company Jun 2024 Director, Managing Executive Officer, Group Regional Promotion and Head of West Japan Division, the Company Apr 2026 Director, Managing Executive Officer, Group Regional Promotion, Head of West Japan Division and Head of L&D Promotion Division, the Company (current)

1976-04-08

Koki MAKIMOTO

Director, Managing Executive Officer; Group Sales Supervisor; Head of Solutions Sales Division; Head of East Japan Sales Division; Head of Horizon Business Promotion Division

Apr 1998 Joined the Company Apr 2014 General Manager, Sales Department 2, the Company Apr 2021 Officer, General Manager, Solutions Sales Department, the Company Apr 2024 Executive Officer, General Manager, Solutions Sales Division, General Manager, Sales Department 1, and General Manager, Operations Management Department, the Company Apr 2025 Executive Officer, Group Sales Supervisor, General Manager, Solutions Sales Division, General Manager, Operations Management Department, and General Manager, Horizon Business Planning Department, Horizon Business Division, the Company Jun 2025 Director, Executive Officer, Group Sales Supervisor, General Manager, Solutions Sales Division, General Manager, Operations Management Department, and General Manager, Horizon Business Planning Department, Horizon Business Division, the Company Apr 2026 Director, Managing Executive Officer, Group Sales Supervisor, Head of Solutions Sales Division, Head of East Japan Sales Division and Head of Horizon Business Promotion Division, the Company (current)

1975-06-07

Osamu NAKAI

Director

Oct 1990 Joined Asahi Shinwa Audit Corporation Jul 2005 Member (Partner), Azsa & Co. (now Azsa LLC) (current Partner) Jul 2025 Opened Osamu Nakai Certified Public Accountant Office (current) Jun 2026 Director, the Company (scheduled)

1964-05-16

Mingxian HUANG

Director

Oct 2000 Joined Asahi & Co. (now Azsa LLC) Oct 2015 Full-time Corporate Auditor, Kudan Inc. Dec 2015 Established H&M International Accounting Firm Apr 2017 Joined Life Robotics Inc. Jun 2018 Joined FANUC Corporation Jul 2024 Co-Representative, H&M International Accounting Firm (current) Mar 2026 Representative Member, Origin Capital LLC (current) Jun 2026 Director, the Company (scheduled)

1975-11-17

Hidetoshi WATANABE