Overview
Services

SEIRYO ELECTRIC CORPORATION

Seiryo Electric provides ICT solutions across two core segments: Information & Communication Systems, and Mobile Terminal Services. The Systems segment delivers disaster prevention wireless systems, social infrastructure monitoring (rivers, waterworks, roads), communication systems, video/security solutions, and IoT platforms primarily to government and municipal clients, with proprietary products such as the GOKU AQUA water monitoring system and hybrid public address wireless systems. The Mobile Terminal segment operates 12 retail stores for NTT Docomo, au, and SoftBank carriers, and conducts repair/refurbishment of mobile devices on a contract basis.

Market Cap
¥3.06B
US$19.5M
EV
¥1.80B
US$11.5M
Stock¥905▲+0.67%
US$1 = ¥156.80 (2026-10-23)
LTM EV/EBITDA
3.1
x
LTM EV/EBIT
4.4
x
LTM PER
10.4
x
LTM PBR
0.6
x
Stock vs TOPIX (1Y, base=100)vs TOPIX ▼-10.7%pt
1001
Oct 24, 25 – Oct 23, 26StockTOPIX
1Mar 19, 26Market-wide: TOPIX also fell -2.9%
MC → EV Bridge
3.06BUS$19.5MMarket Cap0.01BUS$0.05M+ Debt1.07BUS$6.84M− Cash0.19BUS$1.23M− Inv. Sec.1.80BUS$11.5MEV
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Performance & Balance
Revenue 5Y (¥B)
17.2US$110M'22/317.0US$109M'23/318.5US$118M'24/319.3US$123M'25/320.7US$132M'26/3
EBITDA 5Y (¥B)
0.47US$3.00M'22/30.18US$1.15M'23/30.40US$2.56M'24/30.43US$2.76M'25/30.56US$3.58M'26/3
Net Income 5Y (¥B)
0.20US$1.26M'22/3-0.33-US$2.08M'23/30.28US$1.81M'24/30.08US$0.52M'25/30.24US$1.56M'26/3
Capital Structure
100%
EquityD/E 0.00xDebt
Liquidity vs Debt 5Y (¥B)▲ Net Cash
CashInv. Sec.Debt
1.32US$8.44M0.20US$1.28M'22/31.03US$6.56M1.00US$6.38M'23/31.15US$7.35M1.00US$6.38M'24/31.02US$6.52M0.91US$5.77M'25/31.27US$8.11M0.91US$5.79M'26/3
Shareholders
Top 10 hold 61.8%
1
Nishioka LLC
23.64%
2
Mitsubishi Electric Corporation
20.74%
3
SEIRYO ELECTRIC CORPORATION Employee Stock Ownership Association
5.56%
4
Nobuaki NISHIOKA
3.07%
5
Satoshi UMIYAMA
2.48%
6
Kii NISHII
1.45%
7
Atom Denshi Co., Ltd.
1.29%
8
Yasuaki HATA
1.21%
9
Natsuko NISHIOKA
1.18%
10
Masakatsu YOSHIDA
1.17%
Management
10 officers
Nobuaki NISHIOKA
Representative Director, Chairman
Aug 1992: General Manager, General Affairs Department, the Company Feb 1993: Director, the Company Apr 2002: Executive Vice President, the Company Jun 2007: Representative Director, Executive Vice President, the Company Apr 2008: Representative Director, President, the Company Apr 2019: Representative Director, Chairman, the Company (current)
1957-01-12
Kii NISHII
Representative Director, President
Apr 1979: Joined the Company Jun 2008: Director, the Company Apr 2011: Managing Director in charge of sales and terminal sales, the Company Jun 2018: Senior Managing Director in charge of overall business and subsidiaries, the Company Sep 2018: Representative Director, Senior Managing Director in charge of overall business and subsidiaries, the Company Apr 2019: Representative Director, President, the Company (current)
1955-11-13
Tatsuya KANDA
Managing Director in charge of overall business, subsidiary oversight, legal compliance and CSR
Mar 1982: Joined the Company Apr 2011: Executive Officer, Deputy General Manager, Information and Communication Terminal Business, the Company Apr 2012: Managing Executive Officer, General Manager, Mobile Solutions Business Division, the Company; Representative Director and President, Comtec Service Co., Ltd. Jun 2019: Director in charge of overall business and subsidiaries; Managing Executive Officer, General Manager, Business Division, the Company Jun 2022: Managing Director in charge of overall business and subsidiaries, the Company Jun 2026: Managing Director in charge of overall business, subsidiary oversight, legal compliance and CSR, the Company (scheduled)
1961-06-02
Toshimitsu HIRATSUKA
Director in charge of corporate planning and finance
Apr 1987: Joined Mitsubishi Electric Corporation Apr 2018: General Manager, General Affairs Department, Shikoku Branch, and Compliance Manager, Mitsubishi Electric Corporation Oct 2019: Attached to Accounting Department, Head Office, Mitsubishi Electric Corporation; Director and Financial Division Manager, Siam Compressor Industry Co., Ltd. Apr 2024: Managing Executive Officer, General Manager, Corporate Planning Division, the Company Jun 2024: Director in charge of corporate planning and finance; Managing Executive Officer, General Manager, Corporate Planning Division, the Company (current)
1965-01-19
Norihiko TORII
Director in charge of business planning and development, human resources and general affairs
Apr 1995: Joined the Company Apr 2011: General Manager, Information and Communication Solutions Business Division, the Company Apr 2020: General Manager, Quality and Technology Management Office, the Company Apr 2021: Executive Officer, Deputy General Manager, System Business Division, the Company Jun 2022: Representative Director and President, Tottori Nishibishi Denki Co., Ltd. Apr 2023: Executive Officer, General Manager, System Business Division, the Company Apr 2026: Managing Executive Officer, General Manager, Corporate Strategy Division, the Company Jun 2026: Director in charge of business planning and development, human resources and general affairs; Managing Executive Officer, General Manager, Corporate Strategy Division, the Company (scheduled)
1973-02-04
Shinemon KONISHI
Outside Director
Apr 1975: Joined Konishi Shuzo Co., Ltd. May 1982: Managing Director, General Manager, Sales Division, Konishi Shuzo Co., Ltd. Jun 1989: Executive Vice President and Representative Director, Konishi Shuzo Co., Ltd. Jun 1991: President and Representative Director, Konishi Shuzo Co., Ltd. (current) Jun 2015: Outside Director, the Company (current)
1952-05-22
Yoshinobu TAUCHI
Outside Director
Apr 1968: Joined Nippon Telegraph and Telephone Public Corporation (now NTT, Inc.) Jul 1999: General Manager, Solutions Business Planning Department, NTT Mobile Communications Network, Inc. (now NTT DOCOMO, INC.) Jul 2000: Director, DoCoMo Machine Communications, Inc. (business transferred to NTT DOCOMO, INC.) Jun 2004: Director, NTT DOCOMO Kansai, Inc. (now NTT DOCOMO, INC.) Jul 2008: Managing Director, DoCoMo Engineering Kansai, Inc. (now DoCoMo CS Kansai, Inc.) Jun 2018: Outside Director, the Company (current)
1949-09-22
Toru TAKEUCHI
Full-time Audit and Supervisory Board Member
Mar 1984: Joined the Company Apr 2006: General Manager, Information and Communication Terminal Sales Division, the Company Apr 2010: Director, Tokyo Telecom Office, the Company Apr 2014: General Manager, Mobile Solutions Business Division, the Company Apr 2015: General Manager, Internal Audit Office, the Company Jun 2017: Full-time Audit and Supervisory Board Member, the Company (current)
1964-02-22
Tatsuya FUJIMOTO
Outside Audit and Supervisory Board Member
Apr 1986: Joined The Taiyo Kobe Bank, Ltd. (now Sumitomo Mitsui Banking Corporation) Apr 2011: General Manager, Itami Corporate Banking Department, Sumitomo Mitsui Banking Corporation Apr 2013: General Manager, Planning Department, Kobe Tochi Tatemono Co., Ltd. Jul 2014: Executive Officer, General Manager, Planning Department, Kobe Tochi Tatemono Co., Ltd. Jun 2017: Managing Executive Officer, Kobe Tochi Tatemono Co., Ltd. Jun 2020: Managing Director, Kobe Tochi Tatemono Co., Ltd. Jun 2021: Senior Managing Director, Kobe Tochi Tatemono Co., Ltd. Jun 2025: Outside Audit and Supervisory Board Member, the Company (current)
1963-06-07
Hiroshi TAKANO
Outside Audit and Supervisory Board Member
Apr 1991: Joined Mitsubishi Electric Corporation Oct 2018: General Manager, Power Department, Chugoku Branch, Mitsubishi Electric Corporation Apr 2023: General Manager, Business Promotion Department, Kanagawa Branch, Mitsubishi Electric Corporation Apr 2026: Corporate Planning Manager, Affiliated Companies Department, Corporate Management Division, Mitsubishi Electric Corporation (current) Jun 2026: Outside Audit and Supervisory Board Member, the Company (scheduled)
1969-03-07
Large Shareholding Reports
Concept Co., Ltd.
2026-02-18
3.92%→4.00%
Concept Co., Ltd.
2026-02-12
5.01%→3.92%
Disclosures
No disclosures
Primary Source Filings
TDnet
2026-08-06
Q1 Earnings Flash
FY ending Mar 2027
EDINET
2026-06-24
Annual Securities Report
Period: Apr 2025 – Mar 2026
EDINETAmended
2026-02-18
Change Report
EDINET
2026-02-12
Large Shareholding Report
TDnet
2026-02-06
Q3 Earnings Flash
FY ending Mar 2026
EDINET
2025-11-10
Semi-Annual Securities Report
Period: Apr 2025 – Mar 2026
TDnet
2025-08-01
Q1 Earnings Flash
FY ending Mar 2026
EDINET
2025-06-27
Annual Securities Report
Period: Apr 2024 – Mar 2025
TDnet
2025-02-07
Q3 Earnings Flash
FY ending Mar 2025
EDINET
2024-11-05
Semi-Annual Securities Report
Period: Apr 2024 – Mar 2025
TDnet
2024-08-02
Q1 Earnings Flash
FY ending Mar 2025
EDINET
2024-06-27
Annual Securities Report
Period: Apr 2023 – Mar 2024
EDINET
2024-02-05
Quarterly Securities Report
Period: Oct 2023 – Dec 2023
EDINET
2023-11-06
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
EDINET
2023-02-07
Quarterly Securities Report
Period: Oct 2022 – Dec 2022
EDINET
2022-11-08
Quarterly Securities Report
EDINET
2022-08-05
Quarterly Securities Report
EDINET
2022-06-29
Annual Securities Report
EDINET
2022-02-08
Quarterly Securities Report
EDINET
2021-11-09
Quarterly Securities Report
EDINET
2021-08-06
Quarterly Securities Report
EDINET
2021-06-25
Annual Securities Report
EDINET
2021-02-03
Quarterly Securities Report
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