Overview
Machinery

SANSEI CO.,LTD.

Sansei Co., Ltd. is engaged in the design, manufacture, sale, installation, and maintenance of building maintenance gondolas (window-cleaning platforms) and stage machinery, as well as the rental of temporary gondolas primarily through two subsidiaries covering the Kansai and Kanto regions. The company also operates a marine-related business encompassing ship repair, artificial reef and floating buoy fabrication, and the management of seafarer accommodation facilities. Additional activities include the manufacture and sale of industrial machinery and real estate management.

Market Cap
¥3.44B
US$21.9M
EV
¥2.00B
US$12.7M
Stock¥442▲+1.14%
US$1 = ¥156.80 (2026-10-23)
LTM EV/EBITDA
1.6
x
LTM EV/EBIT
1.8
x
LTM PER
4.2
x
LTM PBR
0.7
x
Stock vs TOPIX (1Y, base=100)vs TOPIX ▼-13.0%pt
10012
Oct 24, 25 – Oct 23, 26StockTOPIX
1Nov 6, 25Market-wide: Rise on US policy expectations
2Aug 7, 26Q1 FY2027/03 earnings announced
MC → EV Bridge
3.44BUS$21.9MMarket Cap0.56BUS$3.58M+ Debt2.00BUS$12.7M− Cash0.00BUS$0.00M− Inv. Sec.2.00BUS$12.7MEV
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Performance & Balance
Revenue 5Y (¥B)
4.49US$28.7M'22/35.35US$34.1M'23/35.64US$36.0M'24/35.78US$36.9M'25/37.05US$45.0M'26/3
EBITDA 5Y (¥B)
0.37US$2.38M'22/30.53US$3.36M'23/30.49US$3.13M'24/30.54US$3.46M'25/31.14US$7.24M'26/3
Net Income 5Y (¥B)
0.22US$1.37M'22/30.35US$2.23M'23/30.33US$2.08M'24/30.35US$2.21M'25/30.77US$4.90M'26/3
Capital Structure
90%
EquityD/E 0.11xDebt
Liquidity vs Debt 5Y (¥B)▲ Net Cash
CashInv. Sec.Debt
1.35US$8.64M0.48US$3.03M'22/31.90US$12.1M0.40US$2.54M'23/31.83US$11.7M0.37US$2.38M'24/31.08US$6.92M0.38US$2.40M'25/30.99US$6.32M0.46US$2.95M'26/3
Shareholders
Top 10 hold 52.3%
1
HIKARI TSUSHIN,INC.
19.54%
2
Atsushi KOJIMA
11.33%
3
HIKARI TSUSHIN,INC.
5.65%
4
Hideki WADA
4.35%
5
SANSEI CO.,LTD. Employee Stock Ownership Association
2.23%
6
Hideaki ISHII
2.22%
7
Etsuko KOJIMA
2.19%
8
Soichiro NISHIMURA
1.93%
9
Toshio SAKURAI
1.48%
10
Mitsuaki SATO
1.42%
Management
8 officers
Atsushi KOJIMA
Representative Director, President
Oct 1988 Joined the Company Nov 1991 Director Jun 1993 Managing Director Jun 1994 Director, Executive Vice President Apr 1996 Representative Director, President (current)
1958-10-03
Naoki NISHIMURA
Director, General Manager of Administration Division, General Manager of Marine Business
Mar 1994 Joined the Company Apr 2016 General Manager, General Affairs Group, Administration Division (current) Jun 2020 Executive Officer, General Manager of Administration Division (current) Jun 2022 Director (current)
1968-08-16
Naoto BITO
Director
Apr 1992 Joined Tohmatsu & Co. (now Deloitte Touche Tohmatsu LLC) Mar 1995 Registered as Certified Public Accountant Oct 2005 Worked at the Financial Services Agency as a fixed-term general staff member Oct 2007 Returned to Tohmatsu & Co. (now Deloitte Touche Tohmatsu LLC) Oct 2011 Opened Naoto Bito Certified Public Accountant Office; Representative Dec 2011 Registered as Certified Tax Accountant; Representative, Naoto Bito Certified Public Accountant and Tax Accountant Office (current) Jun 2015 Director of the Company (current) Jan 2018 Partner, Rutland Audit Corporation (current) Jul 2019 Audit & Supervisory Board Member, Constec Holdings Co., Ltd. (current)
1968-08-06
Yu MIYAKE
Director
Apr 1985 Joined Tajima Bank, Ltd. May 1992 Joined Kazuhito Tanii Certified Public Accountant Office Sep 1999 Opened Yu Miyake Tax Accountant Office; Representative (current) Jun 2022 Director of the Company (current)
1961-11-22
Kunishige YOSHIDA
Director
Apr 1986 Joined the Company Apr 2016 General Manager, Planning & Development Group (current) Jun 2022 Executive Officer (current)
Toshiyuki KAWAMURA
Full-time Corporate Auditor
Sep 1992 Joined the Company Jun 2012 General Manager, Business Planning Group, Administration Division; Head of Internal Audit Office Jun 2024 Full-time Corporate Auditor (current)
1964-09-23
Shigeki TAENAKA
Corporate Auditor
Aug 1985 Joined Aoyama Audit Corporation, Osaka Office (now PwC Japan LLC) Oct 1989 Joined Mikio Taenaka Certified Public Accountant Office Jun 1995 Outside Corporate Auditor, Nishimoto Sangyo Co., Ltd. (now Canon Medtech Supply Co., Ltd.) Jan 2006 Head, Shigeki Taenaka Certified Public Accountant Office (current) Jun 2009 Outside Corporate Auditor, Nihon System Gijutsu Co., Ltd. Jan 2018 Outside Corporate Auditor, Denkyo Co., Ltd. (now Denkyo Group Holdings Co., Ltd.) (current) Jun 2019 Outside Corporate Auditor, Daibiru Corporation Jan 2022 Representative Partner, Taenaka Tax Accounting Corporation (current) Dec 2023 Outside Corporate Auditor, TKC Corporation (current)
Jiro MOGAMI
Corporate Auditor
Nov 1997 Joined Honryu Law Office Corporation Feb 2011 Joined Yamashita Kawazoe Law Office Jul 2013 Joined Canon Law Office (current) Jun 2014 Outside Corporate Auditor, Nihon System Gijutsu Co., Ltd. Jun 2024 Outside Director, Audit and Supervisory Committee Member, Nihon System Gijutsu Co., Ltd. (current)
Large Shareholding Reports
Hikari Tsushin, Inc.
2026-10-21
4.37%→21.78%
Annual report (as of 2026-03-31): 19.54%
Disclosures
No disclosures
Primary Source Filings
EDINET
2026-10-21
Large Shareholding Report
TDnet
2026-08-05
Q1 Earnings Flash
FY ending Mar 2027
EDINET
2026-06-24
Annual Securities Report
Period: Apr 2025 – Mar 2026
TDnet
2026-06-04
株主総会招集通知
TDnet
2026-02-06
Q3 Earnings Flash
FY ending Mar 2026
EDINET
2025-11-14
Semi-Annual Securities Report
Period: Apr 2025 – Mar 2026
TDnet
2025-08-05
Q1 Earnings Flash
FY ending Mar 2026
EDINET
2025-06-30
Annual Securities Report
Period: Apr 2024 – Mar 2025
TDnet
2025-02-07
Q3 Earnings Flash
FY ending Mar 2025
EDINET
2024-11-14
Semi-Annual Securities Report
Period: Apr 2024 – Mar 2025
TDnet
2024-08-05
Q1 Earnings Flash
FY ending Mar 2025
EDINET
2024-06-28
Annual Securities Report
Period: Apr 2023 – Mar 2024
EDINETAmended
2024-04-19
Amended Annual Securities Report
Period: Apr 2021 – Mar 2022
EDINET
2024-02-14
Quarterly Securities Report
Period: Oct 2023 – Dec 2023
EDINET
2023-11-14
Quarterly Securities Report
Period: Jul 2023 – Sep 2023
EDINET
2023-08-10
Quarterly Securities Report
Period: Apr 2023 – Jun 2023
EDINET
2023-06-30
Annual Securities Report
Period: Apr 2022 – Mar 2023
EDINET
2023-02-14
Quarterly Securities Report
Period: Oct 2022 – Dec 2022
EDINET
2022-11-14
Quarterly Securities Report
EDINET
2022-08-10
Quarterly Securities Report
EDINET
2022-06-30
Annual Securities Report
EDINET
2022-02-14
Quarterly Securities Report
EDINET
2021-11-12
Quarterly Securities Report
EDINET
2021-08-11
Quarterly Securities Report
EDINET
2021-06-30
Annual Securities Report
EDINET
2021-02-12
Quarterly Securities Report
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