Overview
Construction

TESS Holdings Co.,Ltd.

TESS Holdings is a holding company for the TESS Group, with Tess Engineering Co., Ltd. as its core operating subsidiary specializing in energy-saving and environmental engineering. The Group operates two primary segments: an Engineering business providing EPC (Engineering, Procurement, and Construction) services for energy plants and utility facilities across energy-saving and renewable energy domains, and an Energy Supply business encompassing ownership and operation of renewable energy power plants, O&M services, retail electricity supply, and biomass fuel supply. Leveraging its independent position, the Group delivers comprehensive one-stop energy solutions to industrial clients addressing environmental, energy efficiency, and energy cost challenges.

Market Cap
¥32.8B
US$209M
EV
¥106B
US$674M
Stock¥465▼-0.43%
US$1 = ¥157.05 (2026-10-22)
LTM EV/EBITDA
8.5
x
LTM EV/EBIT
19.8
x
LTM PER
15.5
x
LTM PBR
0.6
x
Stock vs TOPIX (1Y, base=100)vs TOPIX ▲+5.2%pt
1001
Oct 23, 25 – Oct 23, 26StockTOPIX
1Aug 14, 26Full-year FY2026/06 earnings announced
MC → EV Bridge
32.8BUS$209MMarket Cap92.8BUS$591M+ Debt19.1BUS$122M− Cash0.99BUS$6.28M− Inv. Sec.0.30BUS$1.91M+ NCI106BUS$674MEV
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Performance & Balance
Revenue 5Y (¥B)
34.9US$223M'22/634.4US$219M'23/630.6US$195M'24/636.7US$234M'25/651.2US$326M'26/6
EBITDA 5Y (¥B)
8.00US$50.9M'22/69.99US$63.6M'23/65.60US$35.7M'24/67.07US$45.0M'25/612.4US$79.1M'26/6
Net Income 5Y (¥B)
2.70US$17.2M'22/63.59US$22.9M'23/61.19US$7.55M'24/60.20US$1.30M'25/62.12US$13.5M'26/6
Capital Structure
36%
64%
EquityD/E 1.78xDebt
Liquidity vs Debt 5Y (¥B)▼ Net Debt
CashInv. Sec.Debt
23.2US$148M61.1US$389M'22/615.8US$100M57.9US$369M'23/618.7US$119M65.6US$418M'24/623.8US$152M92.8US$591M'25/620.1US$128M92.8US$591M'26/6
Shareholders
Top 10 hold 48.3%
1
Stoneside LLC (Godo Kaisha Stoneside)
7.36%
2
Hideo ISHIWAKI
6.79%
3
Takaokaya LLC (Godo Kaisha Takaokaya)
6.69%
4
The Master Trust Bank of Japan, Ltd. (Trust Account)
5.73%
5
Akira Co., Ltd.
5.46%
6
Y Co., Ltd.
5.02%
7
Tokyo Century Corporation
5.00%
8
Kazuki YAMAMOTO
2.20%
9
JP JPMSE LUX RE BARCLAYS CAPITAL SEC LTD EQ CO (Standing Proxy: MUFG Bank, Ltd.)
2.09%
10
Tomoya ISHIDA
1.97%
Management
9 officers
Hideo ISHIWAKI
Director, Chairman of the Board; Chairperson of the Board of Directors
Sep 2004 Joined TES Engineering Co., Ltd. Feb 2008 Executive Officer, Tokyo Branch Manager and General Manager, Corporate Planning Office, TES Engineering Co., Ltd. Jul 2008 Managing Director, Tokyo Branch Manager, TES Engineering Co., Ltd. Jul 2009 Representative Director, President, TES Engineering Co., Ltd.; Director, TES Techno Service Co., Ltd. (now the Company) Aug 2012 Representative Director, President, the Company Oct 2012 Representative Director, President, Kyoritsu Engineering Co., Ltd. Jul 2017 Representative Director, Chairman, TES Engineering Co., Ltd. Sep 2017 Director, Kyoritsu Engineering Co., Ltd. Apr 2018 Representative Director, Chairman and President, the Company Sep 2022 Director, Chairman of the Board; Chairperson of the Board of Directors, the Company (current)
1948-03-21
Kazuki YAMAMOTO
Representative Director, President
Apr 1993 Joined TES Engineering Co., Ltd. Jul 2009 Director, Tokyo Branch Manager and General Manager, East Japan Sales Division, TES Engineering Co., Ltd. Apr 2010 Director, Tokyo Branch Manager and General Manager, Sales Division, TES Engineering Co., Ltd. Aug 2012 Director, TES Techno Service Co., Ltd. (now the Company) Jan 2013 Representative Director, Energy and Partners Co., Ltd. Jul 2014 Director, General Manager, Corporate Planning Office, TES Engineering Co., Ltd. Jul 2017 Director, General Manager, Planning Division, TES Engineering Co., Ltd. Apr 2018 Senior Managing Director, General Manager, Administration Division, the Company Sep 2022 Representative Director, President, the Company (current)
1970-10-30
Toshihiro TAKASAKI
Senior Managing Director
Apr 1995 Joined TES Engineering Co., Ltd. Jul 2014 Executive Officer, Tokyo Branch Manager and General Manager, Sales Division, TES Engineering Co., Ltd. Jul 2017 Director, Tokyo Branch Manager and General Manager, Sales Division, TES Engineering Co., Ltd.; Representative Director, President, TES Engineering Co., Ltd. (current) Apr 2018 Director, the Company Sep 2022 Senior Managing Director, the Company (current)
1971-04-12
Mayumi YOSHIDA
Director, in charge of ESG and Promotion of Women's Participation; General Manager, Human Capital Strategy Division
Sep 1994 Joined Nippon Travel Agency, Pacific, North American Sales Center (USA) Jul 1997 Joined Chuo Aoyama Audit Corporation (International Division, Translation Professional) Apr 2001 Environmental Audit Department, Business Development Division, Chuo Aoyama Audit Corporation Sep 2003 Seconded to Chuo Aoyama Sustainability Certification Organization Co., Ltd. Mar 2006 Director, Chuo Aoyama Sustainability Certification Organization Co., Ltd. Jul 2007 Joined Arata Audit Corporation (now PwC Japan LLC); seconded to Arata Sustainability Certification Organization Co., Ltd. Apr 2008 Joined Nihon Smart Energy Co., Ltd. (now Nihon Smart Energy Certification Organization Co., Ltd.) May 2009 Representative Director, Nihon Smart Energy Co., Ltd. Jun 2014 Director, Smart Energy Co., Ltd. May 2022 Joined the Company; Executive Officer, in charge of ESG and Promotion of Women's Participation Sep 2022 Director, in charge of ESG and Promotion of Women's Participation, the Company Jan 2024 Director, in charge of ESG and Promotion of Women's Participation; General Manager, Human Capital Strategy Division, the Company (current)
1971-10-09
Hiroyuki OKURA
Director (Audit and Supervisory Committee Member)
Apr 1984 Joined Sanwa Bank, Ltd. (now MUFG Bank, Ltd.) Apr 1989 Seconded as Chief, Research and Information Division, Economic Affairs Bureau, Ministry of Construction (now Ministry of Land, Infrastructure, Transport and Tourism) May 1991 Deputy Manager, Second Department, Tokyo Business Division, Sanwa Bank Aug 1993 Deputy Manager, Capital Markets Department, Sanwa Bank Apr 1994 Promotion Officer, Corporate Strategy Development Office, Branch Department, Sanwa Bank Oct 1997 Manager, Corporate Client Section, Jingumae Branch, Sanwa Bank Apr 1998 Deputy Manager, seconded to Sanwa Securities Co., Ltd. (now Mitsubishi UFJ Morgan Stanley Securities Co., Ltd.) Apr 1999 Deputy Manager, Business Succession Team, Corporate Banking Division, Sanwa Bank Jun 2011 Retired from Mitsubishi UFJ Bank, Ltd. (formerly Mitsubishi Tokyo UFJ Bank, Ltd.) Jul 2011 Joined Tax Accountant Corporation KTS Mar 2015 Left KTS May 2015 Representative Director, Sun Business Support Co., Ltd. (current) Sep 2017 Audit & Supervisory Board Member, Tobi Co., Ltd. (current) Apr 2018 Director (Audit and Supervisory Committee Member), the Company (current)
1960-04-29
Masaki INOUE
Director (Audit and Supervisory Committee Member)
Apr 1985 Joined Okaya & Co., Ltd. Mar 2006 Manager, Osaka Store Living Products Division, Okaya & Co., Ltd. Mar 2009 Manager, Piping and Housing Equipment Division, Okaya & Co., Ltd. Feb 2013 Left Okaya & Co., Ltd. Mar 2013 Director, President's Office Manager, Sakura Seisakusho Co., Ltd. Apr 2013 Representative Director, President, EPP Co., Ltd. (current) Jun 2013 Representative Director, President, Sakura Seisakusho Co., Ltd. (current) Nov 2014 Representative Director, President, Sakura Energy Co., Ltd. (current) Apr 2018 Director (Audit and Supervisory Committee Member), the Company (current) Feb 2019 Representative Director, President, Sakura Holdings Co., Ltd. (current) Jul 2019 Representative Director, President, Sakura Facility Management Co., Ltd. (current) Oct 2021 Representative Director, President, Koyo Sangyo Co., Ltd. Apr 2022 Executive Member, Sakura LLC (current) Dec 2024 Representative Director, Chairman, Takeda Works Co., Ltd. (current) May 2025 Representative Director, Chairman, Koyo Sangyo Co., Ltd. (current)
1962-10-21
Toru AOKI
Director (Audit and Supervisory Committee Member)
Apr 1984 Joined Asahi Kasei Kogyo K.K. Mar 1990 Joined Nihon LCA Co., Ltd. Jul 1992 Joined Sanwa Research Institute Co., Ltd. (now Mitsubishi UFJ Research & Consulting Co., Ltd.) Apr 2002 General Manager, Management Strategy Division I, UFJ Research Institute Co., Ltd. (now Mitsubishi UFJ Research & Consulting Co., Ltd.) Apr 2006 General Manager, Management Strategy Department, UFJ Research Institute Co., Ltd. Jun 2014 Executive Officer, Deputy Head of Osaka, Consulting and International Business Division; General Manager, Organization and Human Resources Strategy Department, UFJ Research Institute Co., Ltd. Mar 2016 Left UFJ Research Institute Co., Ltd. Apr 2016 Representative, Caliber Management AOKI; Chief Adviser, Consulente HYAKUNEN Co., Ltd. (current) Jun 2017 Outside Director (Audit and Supervisory Committee Member), Techno Smart Co., Ltd. (current) Sep 2025 Director (Audit and Supervisory Committee Member), the Company (current)
1961-07-11
Osamu NAKATSUBO
Director (Audit and Supervisory Committee Member)
Apr 1988 Joined Sumitomo Heavy Industries, Ltd. Oct 1993 Joined Ota Showa Audit Corporation (now EY ShinNihon LLC) Oct 2000 Joined Chuo Aoyama Audit Corporation (later renamed Misuzu Audit Corporation; dissolved) Mar 2002 Registered as Certified Public Accountant Mar 2002 Seconded to Chuo Aoyama Sustainability Certification Organization Co., Ltd. Sep 2005 Joined Ministry of the Environment, General Policy Bureau Sep 2007 Joined Arata Audit Corporation (now PwC Japan LLC); seconded to Arata Sustainability Certification Organization Co., Ltd.; Member, Sustainability Disclosure Subcommittee, Business Research Committee, Japanese Institute of Certified Public Accountants Jul 2012 Joined Ohfuna Chuo Hospital, Shakai Iryo Hojin Zaidan Gosei-kai Aug 2013 Joined Lopping Life Co., Ltd. Jan 2020 Joined Aizawa Securities Co., Ltd. (now Aizawa Securities Co., Ltd.) Jul 2025 Head, Osamu Nakatsubo Certified Public Accountant Office (current) Sep 2025 Director (Audit and Supervisory Committee Member), the Company (current)
1965-02-17
Michio SHIGEMORI
Director (Audit and Supervisory Committee Member)
Apr 1985 Joined Bank of America N.A., Tokyo Branch Jan 2001 Joined Daiwa SB Investment Ltd. (now Mitsui Sumitomo DS Asset Management Co., Ltd.) Jul 2002 Joined Engelhard Metals Japan K.K. (now BASF Metals Japan K.K.) Aug 2011 Joined Bank of America N.A., Tokyo Branch Sep 2015 Joined Exchange Corporation Co., Ltd. (now Paidy Inc.) Jul 2017 Joined LeapMind Inc. Jun 2018 Director and CFO, Jolly Good Co., Ltd. Jun 2022 Director and CFO, Socium Co., Ltd. Feb 2024 Outside Director, Glocalist Inc. Sep 2025 Director (Audit and Supervisory Committee Member), the Company (current) Oct 2025 Fellow, Financial Advisor, TRICOLORE Co., Ltd. (current) Nov 2025 Finance Strategy Director, MobiSavi Inc. (current) Apr 2026 Finance Strategy Director, RadioNano Therapeutics Co., Ltd. (current)
1964-07-04
Large Shareholding Reports
Y Co., Ltd.
2026-07-24
6.09%→6.08%
Y Co., Ltd.
2026-06-26
0.00%→6.09%
Disclosures
No disclosures
Primary Source Filings
EDINET
2026-09-25
Annual Securities Report
Period: Jul 2025 – Jun 2026
TDnet
2026-08-14
Full-Year Earnings Flash
FY ending Jun 2026
EDINET
2026-07-24
Large Shareholding Report
EDINET
2026-06-26
Large Shareholding Report
TDnet
2026-05-15
Q3 Earnings Flash
FY ending Jun 2026
EDINETAmended
2026-03-04
Amended Annual Securities Report
Period: Jul 2024 – Jun 2025
EDINET
2026-02-13
Semi-Annual Securities Report
Period: Jul 2025 – Jun 2026
TDnet
2025-11-14
Q1 Earnings Flash
FY ending Jun 2026
EDINET
2025-09-24
Annual Securities Report
Period: Jul 2024 – Jun 2025
TDnet
2025-05-15
Q3 Earnings Flash
FY ending Jun 2025
EDINET
2025-02-14
Semi-Annual Securities Report
Period: Jul 2024 – Jun 2025
TDnet
2024-11-14
Q1 Earnings Flash
FY ending Jun 2025
EDINET
2024-09-27
Annual Securities Report
Period: Jul 2023 – Jun 2024
EDINET
2024-05-15
Quarterly Securities Report
Period: Jan 2024 – Mar 2024
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
2023-09-28
Annual Securities Report
Period: Jul 2022 – Jun 2023
EDINET
2023-05-15
Quarterly Securities Report
Period: Jan 2023 – Mar 2023
EDINET
2023-02-14
Quarterly Securities Report
Period: Oct 2022 – Dec 2022
EDINETAmended
2023-02-02
Amended Annual Securities Report
Period: Jul 2020 – Jun 2021
EDINETAmended
2023-02-02
Amended Quarterly Securities Report
Period: Oct 2021 – Dec 2021
EDINETAmended
2023-02-02
Amended Annual Securities Report
Period: Jul 2021 – Jun 2022
EDINET
2022-11-14
Quarterly Securities Report
EDINET
2022-09-29
Annual Securities Report
EDINET
2022-05-16
Quarterly Securities Report
EDINET
2022-02-14
Quarterly Securities Report
EDINET
2021-11-15
Quarterly Securities Report
EDINET
2021-09-29
Annual Securities Report
EDINET
2021-05-14
Quarterly Securities Report
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