Half-year report · HY

Period2026-02-01 → 2026-07-31
Filed2026-09-10
StandardJapan GAAP
ConsolidatedNo
Data checks12 of 12 passed
Key figures · 46
MetricValuePeriodScopeSource row
Revenue¥7.3bn2026-02-01 → 2026-07-31StandaloneNet sales
Revenue¥14.5bn2025-02-01 → 2026-01-31StandaloneNet sales (5-year summary)
Revenue¥7.5bn2025-02-01 → 2025-07-31StandaloneNet sales
Operating income¥426m2026-02-01 → 2026-07-31StandaloneOperating income
Operating income¥345m2025-02-01 → 2025-07-31StandaloneOperating income
Ordinary income¥478m2026-02-01 → 2026-07-31StandaloneOrdinary income
Ordinary income¥616m2025-02-01 → 2026-01-31StandaloneOrdinary income loss (5-year summary)
Ordinary income¥391m2025-02-01 → 2025-07-31StandaloneOrdinary income
Profit before tax¥478m2026-02-01 → 2026-07-31StandaloneIncome before income taxes
Profit before tax¥391m2025-02-01 → 2025-07-31StandaloneIncome before income taxes
Net income¥321m2026-02-01 → 2026-07-31StandaloneProfit loss
Net income¥463m2025-02-01 → 2026-01-31StandaloneNet income loss (5-year summary)
Net income¥273m2025-02-01 → 2025-07-31StandaloneProfit loss
Total assets¥12.8bnat 2026-07-31StandaloneAssets
Total assets¥12.4bnat 2026-01-31StandaloneAssets
Total assets¥11.7bnat 2025-07-31StandaloneTotal assets (5-year summary)
Total liabilities¥2.9bnat 2026-07-31StandaloneLiabilities
Total liabilities¥2.9bnat 2026-01-31StandaloneLiabilities
Net assets / equity¥9.8bnat 2026-07-31StandaloneNet assets
Net assets / equity¥9.5bnat 2026-01-31StandaloneNet assets
Net assets / equity¥9.1bnat 2025-07-31StandaloneNet assets (5-year summary)
Cash and deposits¥3.5bnat 2026-07-31StandaloneCash and deposits
Cash and deposits¥4.0bnat 2026-01-31StandaloneCash and deposits
Cash & equivalents¥3.2bnat 2026-07-31StandaloneCash and cash equivalents
Cash & equivalents¥3.6bnat 2026-01-31StandaloneCash and cash equivalents
Cash & equivalents¥3.6bnat 2025-07-31StandaloneCash and cash equivalents
Cash & equivalents¥3.0bnat 2025-01-31vStandaloneCash and cash equivalents
Operating cash flow¥136m2026-02-01 → 2026-07-31StandaloneNet cash provided by used in operating activities
Operating cash flow¥898m2025-02-01 → 2026-01-31StandaloneNet cash provided by used in operating activities (5-year summary)
Operating cash flow¥865m2025-02-01 → 2025-07-31StandaloneNet cash provided by used in operating activities
Investing cash flow−¥386m2026-02-01 → 2026-07-31StandaloneNet cash provided by used in investment activities
Investing cash flow−¥159m2025-02-01 → 2026-01-31StandaloneNet cash provided by used in investing activities (5-year summary)
Investing cash flow−¥27m2025-02-01 → 2025-07-31StandaloneNet cash provided by used in investment activities
Financing cash flow−¥154m2026-02-01 → 2026-07-31StandaloneNet cash provided by used in financing activities
Financing cash flow−¥90m2025-02-01 → 2026-01-31StandaloneNet cash provided by used in financing activities (5-year summary)
Financing cash flow−¥174m2025-02-01 → 2025-07-31StandaloneNet cash provided by used in financing activities
EPS (basic)¥160.892026-02-01 → 2026-07-31StandaloneBasic earnings loss per share (5-year summary)
EPS (basic)¥232.192025-02-01 → 2026-01-31StandaloneBasic earnings loss per share (5-year summary)
EPS (basic)¥136.932025-02-01 → 2025-07-31StandaloneBasic earnings loss per share (5-year summary)
Dividend per share¥602025-02-01 → 2026-01-31StandaloneDividend paid per share (5-year summary)
Equity ratio77.1%at 2026-07-31StandaloneEquity to asset ratio (5-year summary)
Equity ratio76.3%at 2026-01-31StandaloneEquity to asset ratio (5-year summary)
Equity ratio77.7%at 2025-07-31StandaloneEquity to asset ratio (5-year summary)
Shares issued2,458,800at 2026-07-31StandaloneTotal number of issued shares (5-year summary)
Shares issued2,458,800at 2026-01-31StandaloneTotal number of issued shares (5-year summary)
Shares issued2,458,800at 2025-07-31StandaloneTotal number of issued shares (5-year summary)

Periods use the dates stated in the filing. d = earlier-year period dated by calendar; v = that date confirmed by the company's own earlier filing.

Segments · 42
SegmentItemPeriodValue
Constructionreportable segmentrevenue2026-02-01 → 2026-07-31¥879m
Constructionreportable segmentrevenue external2026-02-01 → 2026-07-31¥879m
Constructionreportable segmentsegment profit2026-02-01 → 2026-07-31¥34m
Environment Related Construction Businessreportable segmentrevenue2026-02-01 → 2026-07-31¥372m
Environment Related Construction Businessreportable segmentrevenue external2026-02-01 → 2026-07-31¥372m
Environment Related Construction Businessreportable segmentsegment profit2026-02-01 → 2026-07-31¥39m
Housing Construction Businessreportable segmentrevenue2026-02-01 → 2026-07-31¥2.1bn
Housing Construction Businessreportable segmentrevenue external2026-02-01 → 2026-07-31¥2.1bn
Housing Construction Businessreportable segmentsegment profit2026-02-01 → 2026-07-31¥80m
Machine Manufacturing And Sales Businessreportable segmentrevenue2026-02-01 → 2026-07-31¥17m
Machine Manufacturing And Sales Businessreportable segmentrevenue external2026-02-01 → 2026-07-31¥17m
Machine Manufacturing And Sales Businessreportable segmentsegment profit2026-02-01 → 2026-07-31¥2m
Renewable Energy Related Businessreportable segmentrevenue2026-02-01 → 2026-07-31¥24m
Renewable Energy Related Businessreportable segmentrevenue external2026-02-01 → 2026-07-31¥24m
Renewable Energy Related Businessreportable segmentsegment profit2026-02-01 → 2026-07-31¥15m
Special Engineering And Other Businessreportable segmentrevenue2026-02-01 → 2026-07-31¥3.9bn
Special Engineering And Other Businessreportable segmentrevenue external2026-02-01 → 2026-07-31¥3.9bn
Special Engineering And Other Businessreportable segmentsegment profit2026-02-01 → 2026-07-31¥254m
Total Of Reportable Segments And Otherssegment totalrevenue2026-02-01 → 2026-07-31¥7.3bn
Total Of Reportable Segments And Otherssegment totalrevenue external2026-02-01 → 2026-07-31¥7.3bn
Total Of Reportable Segments And Otherssegment totalsegment profit2026-02-01 → 2026-07-31¥426m
Constructionreportable segmentrevenue2025-02-01 → 2025-07-31¥1.4bn
Constructionreportable segmentrevenue external2025-02-01 → 2025-07-31¥1.4bn
Constructionreportable segmentsegment profit2025-02-01 → 2025-07-31−¥61m
Environment Related Construction Businessreportable segmentrevenue2025-02-01 → 2025-07-31¥242m
Environment Related Construction Businessreportable segmentrevenue external2025-02-01 → 2025-07-31¥242m
Environment Related Construction Businessreportable segmentsegment profit2025-02-01 → 2025-07-31¥34m
Housing Construction Businessreportable segmentrevenue2025-02-01 → 2025-07-31¥2.3bn
Housing Construction Businessreportable segmentrevenue external2025-02-01 → 2025-07-31¥2.3bn
Housing Construction Businessreportable segmentsegment profit2025-02-01 → 2025-07-31¥71m
Machine Manufacturing And Sales Businessreportable segmentrevenue2025-02-01 → 2025-07-31¥7m
Machine Manufacturing And Sales Businessreportable segmentrevenue external2025-02-01 → 2025-07-31¥7m
Machine Manufacturing And Sales Businessreportable segmentsegment profit2025-02-01 → 2025-07-31¥3m
Renewable Energy Related Businessreportable segmentrevenue2025-02-01 → 2025-07-31¥23m
Renewable Energy Related Businessreportable segmentrevenue external2025-02-01 → 2025-07-31¥23m
Renewable Energy Related Businessreportable segmentsegment profit2025-02-01 → 2025-07-31¥15m
Special Engineering And Other Businessreportable segmentrevenue2025-02-01 → 2025-07-31¥3.5bn
Special Engineering And Other Businessreportable segmentrevenue external2025-02-01 → 2025-07-31¥3.5bn
Special Engineering And Other Businessreportable segmentsegment profit2025-02-01 → 2025-07-31¥284m
Total Of Reportable Segments And Otherssegment totalrevenue2025-02-01 → 2025-07-31¥7.5bn
Total Of Reportable Segments And Otherssegment totalrevenue external2025-02-01 → 2025-07-31¥7.5bn
Total Of Reportable Segments And Otherssegment totalsegment profit2025-02-01 → 2025-07-31¥345m

Segment names come from EDINET member IDs; not yet mapped to a common taxonomy.

All source rows · 525
ItemContextValueUnit
Current fiscal year end dateFilingDateInstant2027-01-31
Previous fiscal year start dateFilingDateInstant2025-02-01
Comparative period end dateFilingDateInstant2025-07-31
Previous fiscal year end dateFilingDateInstant2026-01-31
Next fiscal year start dateFilingDateInstant-
End date of quarterly or semi annual period of next fiscal yearFilingDateInstant-
Amendment flagFilingDateInstantfalse
Identification of document subject to amendmentFilingDateInstant-
Report amendment flagFilingDateInstantfalse
Xbrl amendment flagFilingDateInstantfalse
Business results of reporting company (text)FilingDateInstantText · Plus
Description of business (text)FilingDateInstantText · Plus
Business risks (text)FilingDateInstantText · Plus
Management analysis of financial position operating results and cash flows (text)FilingDateInstantText · Plus
Critical contracts (text)FilingDateInstantText · Plus
Total number of shares (text)FilingDateInstantText · Plus
Issued shares total number of shares etc (text)FilingDateInstantText · Plus
Class issued shares total number of shares etcFilingDateInstant_OrdinaryShareMember
Original text (Japanese)普通株式
Name of financial instruments exchange on which securities are listed or authorized financial instruments business association to which securities are registeredFilingDateInstant_OrdinaryShareMember
Original text (Japanese)東京証券取引所スタンダード市場
Description issued shares total number of shares etcFilingDateInstant_OrdinaryShareMember
Original text (Japanese)単元株式数 100株
Details of employee share option program (text)FilingDateInstantText · Plus
Other information on share acquisition rights (text)FilingDateInstantText · Plus
Exercises etc of moving strike convertible bonds etc (text)FilingDateInstantText · Plus
Changes in number of issued shares stated capital etc (text)FilingDateInstantText · Plus
Major shareholders (text)FilingDateInstantText · Plus
Name major shareholdersInterimInstant_No1MajorShareholdersMember
Original text (Japanese)豊 住   清
Address major shareholdersInterimInstant_No1MajorShareholdersMember
Original text (Japanese)愛知県名古屋市守山区
Name major shareholdersInterimInstant_No2MajorShareholdersMember
Original text (Japanese)太洋基礎工業取引先持株会
Address major shareholdersInterimInstant_No2MajorShareholdersMember
Original text (Japanese)愛知県名古屋市中川区柳森町107番地
Name major shareholdersInterimInstant_No3MajorShareholdersMember
Original text (Japanese)㈱あいち銀行
Address major shareholdersInterimInstant_No3MajorShareholdersMember
Original text (Japanese)愛知県名古屋市中区栄3丁目14番12号
Name major shareholdersInterimInstant_No4MajorShareholdersMember
Original text (Japanese)㈱SBI証券
Address major shareholdersInterimInstant_No4MajorShareholdersMember
Original text (Japanese)東京都港区六本木1丁目6番1号
Name major shareholdersInterimInstant_No5MajorShareholdersMember
Original text (Japanese)太洋基礎工業従業員持株会
Address major shareholdersInterimInstant_No5MajorShareholdersMember
Original text (Japanese)愛知県名古屋市中川区柳森町107番地
Name major shareholdersInterimInstant_No6MajorShareholdersMember
Original text (Japanese)岐阜信用金庫
Address major shareholdersInterimInstant_No6MajorShareholdersMember
Original text (Japanese)岐阜県岐阜市神田町6丁目11番地
Name major shareholdersInterimInstant_No7MajorShareholdersMember
Original text (Japanese)日本エコシステム㈱
Address major shareholdersInterimInstant_No7MajorShareholdersMember
Original text (Japanese)愛知県一宮市本町2丁目2番2号
Name major shareholdersInterimInstant_No8MajorShareholdersMember
Original text (Japanese)瀧上工業㈱
Address major shareholdersInterimInstant_No8MajorShareholdersMember
Original text (Japanese)愛知県半田市神明町1丁目1番地
Name major shareholdersInterimInstant_No9MajorShareholdersMember
Original text (Japanese)㈱三東工業社
Address major shareholdersInterimInstant_No9MajorShareholdersMember
Original text (Japanese)滋賀県栗東市上鈎480番地
Name major shareholdersInterimInstant_No10MajorShareholdersMember
Original text (Japanese)徳倉建設㈱
Address major shareholdersInterimInstant_No10MajorShareholdersMember
Original text (Japanese)愛知県名古屋市中区錦3丁目13番5号
Issued shares voting rights (text)FilingDateInstantText · Plus
Description issued shares voting rightsInterimInstant_SharesWithNoVotingRightsMember-
Description issued shares voting rightsInterimInstant_SharesWithRestrictedVotingRightsTreasurySharesEtcMember-
Description issued shares voting rightsInterimInstant_SharesWithRestrictedVotingRightsOtherMember-
Description issued shares voting rightsInterimInstant_OrdinarySharesTreasurySharesSharesWithFullVotingRightsTreasurySharesEtcMember-

Every row of the EDINET CSV. Item names are the XBRL element names; filed text is kept in its original Japanese. Filed text is available on Plus and Pro.

Data checks · 12 of 12 passed
balance sheet identitynon_consolidated 2026-01-31pass rounding
balance sheet identitynon_consolidated 2026-07-31pass
dei present pass
period resolution pass
statement vs summary · net assetsnon_consolidated 2026-01-31pass
statement vs summary · net assetsnon_consolidated 2026-07-31pass
statement vs summary · operating cash flownon_consolidated 2025-02-01/2025-07-31pass
statement vs summary · operating cash flownon_consolidated 2026-02-01/2026-07-31pass
statement vs summary · revenuenon_consolidated 2025-02-01/2025-07-31pass
statement vs summary · revenuenon_consolidated 2026-02-01/2026-07-31pass
statement vs summary · total assetsnon_consolidated 2026-01-31pass
statement vs summary · total assetsnon_consolidated 2026-07-31pass