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Overview

Chemicals

Niitaka Co., Ltd.

Niitaka is a manufacturer and distributor of commercial-use cleaning, sanitation, and hygiene products, including dishwashing detergents, disinfectants, bleaching agents, alcohol-based sanitizers, and solid fuels, primarily targeting the foodservice, hospitality, healthcare, and food processing industries. The company also provides related services such as dishwasher maintenance, hygiene consulting, bacterial testing, and sanitation patrol services. A smaller Healthcare segment produces and sells health foods, including fermented lactic acid products under the OM-X brand.

Market Cap

¥14.9B

US$95.1M

¥8.19B

US$52.2M

Stock¥2,573▼-1.68%

US$1 = ¥156.80 (2026-10-23)

LTM EV/EBITDA

3.1

LTM EV/EBIT

3.9

LTM PER

7.9

LTM PBR

0.9

Stock vs TOPIX (1Y, base=100)vs TOPIX ▼-23.5%pt

Oct 24, 25 – Oct 23, 26StockTOPIX

1Jul 14, 26Full-year FY2026/05 earnings announced; Board approved share buyback

2Sep 28, 26Q1 FY2027/05 earnings announced

MC → EV Bridge

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Performance & Balance

Revenue 5Y (¥B)

EBITDA 5Y (¥B)

Net Income 5Y (¥B)

Capital Structure

94%

EquityD/E 0.06xDebt

Liquidity vs Debt 5Y (¥B)▲ Net Cash

CashInv. Sec.Debt

Shareholders

Top 10 hold 45.4%

as of 2026-05-31 · Source: Annual Securities Report

Niitaka SC Co., Ltd.

19.83%

Niitaka Co., Ltd. Employee Stock Ownership Association

6.37%

Stock Ownership Association

4.06%

Niitaka Co., Ltd. Stock Ownership Association

3.33%

Chirio MORITA

2.94%

BNYM RE BNYMLB RE GPP CLIENT MONEY AND ASSETS AC (Standing Proxy: MUFG Bank, Ltd.)

2.01%

The Shoko Chukin Bank, Ltd.

1.95%

Sakamoto Yakuhin Kogyo Co., Ltd.

1.87%

Dainichi Seikan Co., Ltd.

1.87%

SOFT99corporation

1.21%

Management

8 officers

Yoshiaki OKUYAMA

Representative Director, Chairman

Apr 1982 Joined the Company Jul 1996 Director; General Manager, General Affairs Department Aug 2001 Managing Director Sep 2007 Chairman, Fujian Xintuogao Daily Commodities Co., Ltd. (current: Niitaka (Fujian) Daily Commodities Co., Ltd.) Aug 2009 General Manager, Administration Division Aug 2010 Senior Managing Director Aug 2011 Deputy President, Director Jun 2013 Representative Director, President Aug 2015 Representative Director, President and Executive Officer Jul 2017 Representative Director, Suisho Yuka Kogyo Co., Ltd. (current: Mikkel Chemical Co., Ltd.) Aug 2018 Chairman, Nidoka (Shanghai) Trading Co., Ltd. Jan 2019 Chairman, Niitaka (Jiangsu) Daily Commodities Co., Ltd. Sep 2022 Representative Director, President and Executive Officer Jun 2023 Representative Director, Chairman (current)

1958-06-14

Daisuke NOJIRI

Representative Director, President and Executive Officer

Apr 1994 Joined the Company Jun 2015 General Manager, Eastern Japan Sales Department, Sales Division Sep 2018 Executive Officer; Deputy General Manager, Sales Division Jun 2019 Executive Officer; General Manager, Sales Division Sep 2020 Director, Managing Executive Officer; General Manager, Sales Division Jun 2022 Director, Senior Managing Executive Officer; General Manager, Sales Division Jun 2023 Representative Director, President and Executive Officer (current)

1967-08-17

Haruhiko SAKO

Director

Mar 1984 Joined the Company Dec 2004 General Manager, Sales Administration Department Aug 2005 Executive Officer Dec 2007 General Manager, Corporate Planning Department Jun 2011 General Manager, Administration Department Aug 2011 Director; Deputy General Manager, Administration Division Jun 2012 General Manager, Administration Division; General Manager, General Affairs Department Aug 2015 Executive Officer; General Manager, Administration Division Dec 2019 Executive Officer (in charge of General Affairs Department) Sep 2020 Director (Full-time Audit and Supervisory Committee Member) Sep 2020 Corporate Auditor, Suisho Yuka Kogyo Co., Ltd. (current: Mikkel Chemical Co., Ltd.) Feb 2023 Corporate Auditor, Keiyo Tomitsu Yuso Co., Ltd. Mar 2023 Corporate Auditor, Biobank Co., Ltd. Sep 2023 Director (current)

1958-05-17

Kazuhisa TAKASE

Director

Mar 1983 Joined the Company Jun 2009 General Manager, Tsukuba Plant, Technology and Manufacturing Division Nov 2009 Executive Officer; Deputy General Manager, Technology and Manufacturing Division Jun 2012 Executive Officer; Deputy General Manager, Manufacturing Division Aug 2015 Executive Officer; General Manager, Manufacturing Division Sep 2020 General Manager, Subsidiary Plant Support Office, Manufacturing Division Mar 2021 General Manager, Subsidiary Plant Support Office Jan 2024 Chairman, Niitaka (Fujian) Daily Commodities Co., Ltd. (current) Jan 2024 Chairman, Niitaka (Jiangsu) Daily Commodities Co., Ltd. Sep 2024 Chairman, Nidoka (Shanghai) Daily Commodities Co., Ltd. (current) Sep 2024 Director (current)

1962-05-17

Kazuki OKA

Outside Director (Full-time Audit and Supervisory Committee Member)

Apr 1983 Joined Unitika Ltd. Jul 2011 Deputy Manager, Management Planning Department, Unitika Ltd. Jun 2014 Executive Officer; General Manager, Global Strategy Promotion Department, Unitika Ltd. Apr 2018 Executive Officer; General Manager, Global Business Division, Unitika Ltd. Jun 2019 Full-time Corporate Auditor, Unitika Ltd. Sep 2023 Outside Director (Full-time Audit and Supervisory Committee Member), the Company (current) Oct 2023 Corporate Auditor, Mikkel Chemical Co., Ltd. (current) Oct 2023 Corporate Auditor, Keiyo Tomitsu Yuso Co., Ltd. (current) Oct 2023 Corporate Auditor, Biobank Co., Ltd. (current)

1958-01-14

Yuko SHIMIZU

Outside Director (Audit and Supervisory Committee Member)

Apr 1979 Joined Fujitsu Limited Apr 2002 President, Fujitsu HR Professionals Co., Ltd. May 2011 Chair, Working Group 3, ISO/IEC JTC 1 SC 40 Sep 2013 Managing Executive Officer, HR One Co., Ltd. Nov 2015 Executive Officer, Tokyo System Research Co., Ltd. Jun 2021 Outside Director, Raito Kogyo Co., Ltd. (current) Jun 2022 Outside Director, Fukoku Co., Ltd. (current) Sep 2023 Outside Director (Audit and Supervisory Committee Member), the Company (current)

1957-03-08

Atsumi YAMAMOTO

Outside Director (Audit and Supervisory Committee Member)

Apr 2001 Joined Shiseido Company, Limited Feb 2010 Joined Azusa Audit LLC Mar 2014 Registered as Certified Public Accountant Aug 2022 Opened Atsumi Yamamoto CPA Office; Office Head (current) Aug 2022 Director (Audit and Supervisory Committee Member), IK Holdings Co., Ltd. (current: formerly Eye Kei Co., Ltd.) (current) Jun 2023 Director (Audit and Supervisory Committee Member), Univance Corporation (current) Sep 2023 Outside Director (Audit and Supervisory Committee Member), the Company (current)

1976-09-21

Jun UEDA

Outside Director (Audit and Supervisory Committee Member)

Apr 1998 Registered as Attorney at Law Apr 1998 Joined Kuboi Sogo Law Office Jan 2008 Partner, Kuboi Sogo Law Office Apr 2008 Part-time Lecturer, Kindai University Law School Mar 2024 Representative Partner, Kuboi Sogo Law Office (current) Jun 2024 Director, Eiwa Shinkin Bank (current) Oct 2024 Part-time Lecturer, Kyoto University Law School Sep 2025 Outside Director (Audit and Supervisory Committee Member), the Company (current)

1973-05-22

Large Shareholding Reports

Niitaka SC Co., Ltd.

2026-08-06

19.28%

Annual report (as of 2026-05-31): 19.83%

Niitaka SC Co., Ltd.

2026-05-25

19.03%→19.78%

Annual report (as of 2026-05-31): 19.83%

Niitaka SC Co., Ltd.

2026-05-08

19.78%→19.03%

Annual report (as of 2026-05-31): 19.83%

Disclosures

No disclosures

Primary Source Filings

TDnet

2026-09-25

Q1 Earnings Flash

FY ending May 2027

Niitaka Co., Ltd.

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Niitaka Co., Ltd.

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