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Overview
Construction

ART FORCE JAPAN Co.,Ltd.

Art Force Japan Co., Ltd. provides ground investigation and ground improvement construction services, primarily targeting the residential housing market across Japan. The company operates 18 sales offices spanning from Niigata and Toyama in the north to Fukuoka in the south, offering a wide range of ground improvement methods, mobile crane services, and ground warranty programs. Its group companies extend capabilities into geological surveys (boring), general construction, and civil engineering works.

Market Cap
¥—B
EV
¥—B
US$1 = ¥156.80 (2026-10-23)
LTM EV/EBITDA
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LTM EV/EBIT
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LTM PER
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LTM PBR
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No price data
Stock data unavailable
This company is listed on TOKYO PRO Market (TPM), a market limited to professional investors with very low secondary-market liquidity. Continuous stock price information is not formed, so price, market cap, and EV-based multiples are not available. Financial data from public filings (P&L, BS, directors, etc.) remains accurate for analysis if disclosed.
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Performance & Balance
Revenue 5Y (¥B)
4.17US$26.6M'23/124.80US$30.6M'24/125.29US$33.7M'25/12
Net Income 5Y (¥B)
-0.03-US$0.16M'23/120.00US$0.01M'24/120.11US$0.72M'25/12
Shareholders
Top 10 hold 100.0%
as of 2025-12-31 · Source: Annual Securities Report
1
Yoshihiro YAMAGUCHI
57.40%
2
YY Co., Ltd.
30.20%
3
Yasuko YAMAGUCHI
8.00%
4
Hironobu OKUMURA
1.60%
5
Takashi MOCHIZUKA
1.20%
6
KANEMATSU SUSTECH CORPORATION
0.80%
7
Yuya OZAWA
0.40%
8
Makiko HIRUKAWA
0.40%
Management
8 officers
Yoshihiro YAMAGUCHI
Representative Director, President
Sep. 1985: Joined Kojuen Co., Ltd. Jan. 1990: Founded the Company; appointed Representative Director, President & CEO (current). Jan. 1993: Founded Axis Co., Ltd.; appointed Representative Director.
1967-01-21
Hiroshi AOKI
Director, Vice President
Apr. 1992: Joined Wakita Co., Ltd. Jun. 1997: Director, Something Co., Ltd. Oct. 2000: Director, Something Holdings Co., Ltd. Mar. 2005: President & Director, Something Co., Ltd. Nov. 2006: Representative Director & President, Something Co., Ltd. Sep. 2007: Director, Geo Insurance Research Co., Ltd. (now GIR Co., Ltd.). Jan. 2008: Representative Director & President, Geo Insurance Research Co., Ltd. (now GIR Co., Ltd.). Nov. 2009: Director, Something Shikoku Co., Ltd. Mar. 2012: Representative Director & President, United Inspectors Co., Ltd. (now Sumairu Kensa Co., Ltd.). Jan. 2013: Representative Director & President, Something Co., Ltd.; Director, GIR Co., Ltd. Feb. 2014: Director, Office EL Co., Ltd. Mar. 2014: Managing Director, Something Holdings Co., Ltd. Nov. 2019: Director, Earth Prime Co., Ltd. Apr. 2020: Representative Director, Earth Prime Co., Ltd. Apr. 2021: Managing Director, Kyoshin Kenzai Kogyo Co., Ltd. Sep. 2022: Representative Director, GF1 Co., Ltd. Nov. 2023: Joined the Company. Jan. 2024: Director & Executive Vice President, Head of Sales Division (current). Nov. 2025: Representative Director & Chairman, Geotechno Japan Co., Ltd. (current).
1970-05-21
Yasuko YAMAGUCHI
Director, Head of Construction Division
Jan. 1993: Joined Axis Co., Ltd. Jul. 2008: Representative Director & President, Axis Co., Ltd. (current). Jul. 2016: Audit & Supervisory Board Member, the Company. Feb. 2017: Director, the Company. Dec. 2017: Director, Head of Administration Division, the Company. Mar. 2020: Director, Head of Construction Division, the Company (current).
1966-11-05
Akihiko NOZAKI
Director, Head of Management Oversight Division
Apr. 1978: Joined Hitachi Koki Co., Ltd. (now Koki Holdings Co., Ltd.). Jun. 2004: Director, same company. Jun. 2007: Managing Director, same company. Jun. 2009: Senior Managing Director, same company. Sep. 2013: Advisor, Paramount Bed Co., Ltd. Apr. 2014: Senior Executive Officer, same company. Oct. 2019: President & Director, Crown Kogyo Co., Ltd. Mar. 2024: Representative Director & President, same company. May 2024: Director, Head of Management Oversight Division, the Company (current).
1956-01-10
Tatsuhiko ISHIBASHI
Director
Apr. 1980: Joined Tokai Pulp Co., Ltd. Jun. 2009: Representative Director & President, same company. Jun. 2010: Senior Managing Director, Tokushu Tokai Paper Co., Ltd. Jul. 2013: Representative Director, Japan Management Partners Association (current). Mar. 2018: Director, the Company (current). Jan. 2024: Director & Chairman, Eco-Support Co., Ltd. (current). Oct. 2024: Audit & Supervisory Board Member, Van-do Japan Co., Ltd. (current).
1955-02-04
Yasuhiro SAKAMAKI
Audit & Supervisory Board Member (Full-time)
Dec. 1976: Joined Toyo Sash Kogyo Co., Ltd. (now LIXIL Corporation). Apr. 2005: Director, Japan Home Shield Co., Ltd. Jun. 2007: Representative Director, JS Jiiban Service Co., Ltd. Jul. 2016: Advisor, KAITO Holdings Co., Ltd. Mar. 2021: Audit & Supervisory Board Member, the Company (current).
1951-06-17
Takeshi FURUHATA
Audit & Supervisory Board Member
Dec. 2006: Registered as attorney-at-law. Apr. 2016: Founded and serves as Representative of Furuhata Law Office (current). Mar. 2018: Audit & Supervisory Board Member, the Company (current).
1977-08-24
Setsuki TAJIMA
Audit & Supervisory Board Member
Oct. 2002: Joined Deloitte Touche Tohmatsu (audit corporation). Jun. 2009: Registered as certified public accountant. Jul. 2009: Registered as tax accountant. Dec. 2010: Founded TS Consulting Co., Ltd.; appointed Representative Director (current). Mar. 2018: Audit & Supervisory Board Member, the Company (current).
1974-12-29
Large Shareholding Reports
No filings
Disclosures
No disclosures
Primary Source Filings
TDnet
2026-05-15
Q1 Earnings Flash
FY ending Dec 2026
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TDnet
2026-03-31
発行者情報
FY ending Dec 2025
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TDnet
2025-11-14
Q3 Earnings Flash
FY ending Dec 2025
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TDnet
2025-05-09
Q1 Earnings Flash
FY ending Dec 2025
View PDF →
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