Half-year report · HY

Period2025-10-01 → 2026-03-31
Filed2026-05-13
StandardJapan GAAP
ConsolidatedYes
Data checks14 of 14 passed
Key figures · 47
MetricValuePeriodScopeSource row
Revenue¥9.1bn2025-10-01 → 2026-03-31Cons.Net sales
Revenue¥15.3bn2024-10-01 → 2025-09-30Cons.Net sales (5-year summary)
Revenue¥7.9bn2024-10-01 → 2025-03-31Cons.Net sales
Operating income¥858m2025-10-01 → 2026-03-31Cons.Operating income
Operating income¥659m2024-10-01 → 2025-03-31Cons.Operating income
Ordinary income¥804m2025-10-01 → 2026-03-31Cons.Ordinary income
Ordinary income¥1.0bn2024-10-01 → 2025-09-30Cons.Ordinary income loss (5-year summary)
Ordinary income¥606m2024-10-01 → 2025-03-31Cons.Ordinary income
Profit before tax¥814m2025-10-01 → 2026-03-31Cons.Income before income taxes
Profit before tax¥614m2024-10-01 → 2025-03-31Cons.Income before income taxes
Net income (owners)¥420m2025-10-01 → 2026-03-31Cons.Profit loss attributable to owners of parent
Net income (owners)¥603m2024-10-01 → 2025-09-30Cons.Profit loss attributable to owners of parent (5-year summary)
Net income (owners)¥329m2024-10-01 → 2025-03-31Cons.Profit loss attributable to owners of parent
Net income¥486m2025-10-01 → 2026-03-31Cons.Profit loss
Net income¥354m2024-10-01 → 2025-03-31Cons.Profit loss
Total assets¥16.9bnat 2026-03-31Cons.Assets
Total assets¥16.4bnat 2025-09-30Cons.Assets
Total assets¥17.7bnat 2025-03-31Cons.Total assets (5-year summary)
Total liabilities¥11.0bnat 2026-03-31Cons.Liabilities
Total liabilities¥10.8bnat 2025-09-30Cons.Liabilities
Net assets / equity¥6.0bnat 2026-03-31Cons.Net assets
Net assets / equity¥5.6bnat 2025-09-30Cons.Net assets
Net assets / equity¥5.3bnat 2025-03-31Cons.Net assets (5-year summary)
Cash and deposits¥2.8bnat 2026-03-31Cons.Cash and deposits
Cash and deposits¥3.0bnat 2025-09-30Cons.Cash and deposits
Cash & equivalents¥2.6bnat 2026-03-31Cons.Cash and cash equivalents
Cash & equivalents¥2.6bnat 2025-09-30Cons.Cash and cash equivalents
Cash & equivalents¥3.2bnat 2025-03-31Cons.Cash and cash equivalents
Cash & equivalents¥2.3bnat 2024-09-30vCons.Cash and cash equivalents
Operating cash flow−¥524m2025-10-01 → 2026-03-31Cons.Net cash provided by used in operating activities
Operating cash flow¥1.8bn2024-10-01 → 2025-09-30Cons.Net cash provided by used in operating activities (5-year summary)
Operating cash flow¥541m2024-10-01 → 2025-03-31Cons.Net cash provided by used in operating activities
Investing cash flow¥166m2025-10-01 → 2026-03-31Cons.Net cash provided by used in investment activities
Investing cash flow−¥745m2024-10-01 → 2025-09-30Cons.Net cash provided by used in investing activities (5-year summary)
Investing cash flow−¥176m2024-10-01 → 2025-03-31Cons.Net cash provided by used in investment activities
Financing cash flow¥362m2025-10-01 → 2026-03-31Cons.Net cash provided by used in financing activities
Financing cash flow−¥767m2024-10-01 → 2025-09-30Cons.Net cash provided by used in financing activities (5-year summary)
Financing cash flow¥537m2024-10-01 → 2025-03-31Cons.Net cash provided by used in financing activities
EPS (basic)¥149.112025-10-01 → 2026-03-31Cons.Basic earnings loss per share (5-year summary)
EPS (basic)¥214.382024-10-01 → 2025-09-30Cons.Basic earnings loss per share (5-year summary)
EPS (basic)¥117.12024-10-01 → 2025-03-31Cons.Basic earnings loss per share (5-year summary)
EPS (diluted)¥142.992025-10-01 → 2026-03-31Cons.Diluted earnings per share (5-year summary)
EPS (diluted)¥207.592024-10-01 → 2025-09-30Cons.Diluted earnings per share (5-year summary)
EPS (diluted)¥114.032024-10-01 → 2025-03-31Cons.Diluted earnings per share (5-year summary)
Equity ratio33.8%at 2026-03-31Cons.Equity to asset ratio (5-year summary)
Equity ratio33.0%at 2025-09-30Cons.Equity to asset ratio (5-year summary)
Equity ratio29.1%at 2025-03-31Cons.Equity to asset ratio (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 · 44
SegmentItemPeriodValue
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue2025-10-01 → 2026-03-31¥214m
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue external2025-10-01 → 2026-03-31¥173m
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue intersegment2025-10-01 → 2026-03-31¥40m
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentssegment profit2025-10-01 → 2026-03-31¥4m
Reconciling Itemsreconcilingrevenue2025-10-01 → 2026-03-31−¥93m
Reconciling Itemsreconcilingrevenue intersegment2025-10-01 → 2026-03-31−¥93m
Reconciling Itemsreconcilingsegment profit2025-10-01 → 2026-03-31−¥511m
Construction Businessreportable segmentrevenue2025-10-01 → 2026-03-31¥3.5bn
Construction Businessreportable segmentrevenue external2025-10-01 → 2026-03-31¥3.5bn
Construction Businessreportable segmentrevenue intersegment2025-10-01 → 2026-03-31¥6m
Construction Businessreportable segmentsegment profit2025-10-01 → 2026-03-31¥329m
Environment Businessreportable segmentrevenue2025-10-01 → 2026-03-31¥4.9bn
Environment Businessreportable segmentrevenue external2025-10-01 → 2026-03-31¥4.9bn
Environment Businessreportable segmentrevenue intersegment2025-10-01 → 2026-03-31¥47m
Environment Businessreportable segmentsegment profit2025-10-01 → 2026-03-31¥993m
Environment Engineeringreportable segmentrevenue2025-10-01 → 2026-03-31¥520m
Environment Engineeringreportable segmentrevenue external2025-10-01 → 2026-03-31¥520m
Environment Engineeringreportable segmentsegment profit2025-10-01 → 2026-03-31¥42m
—segment totalrevenue2025-10-01 → 2026-03-31¥9.0bn
—segment totalrevenue external2025-10-01 → 2026-03-31¥8.9bn
—segment totalrevenue intersegment2025-10-01 → 2026-03-31¥53m
—segment totalsegment profit2025-10-01 → 2026-03-31¥1.4bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue2024-10-01 → 2025-03-31¥270m
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue external2024-10-01 → 2025-03-31¥247m
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue intersegment2024-10-01 → 2025-03-31¥22m
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentssegment profit2024-10-01 → 2025-03-31¥17m
Reconciling Itemsreconcilingrevenue2024-10-01 → 2025-03-31−¥38m
Reconciling Itemsreconcilingrevenue intersegment2024-10-01 → 2025-03-31−¥38m
Reconciling Itemsreconcilingsegment profit2024-10-01 → 2025-03-31−¥420m
Construction Businessreportable segmentrevenue2024-10-01 → 2025-03-31¥3.4bn
Construction Businessreportable segmentrevenue external2024-10-01 → 2025-03-31¥3.4bn
Construction Businessreportable segmentrevenue intersegment2024-10-01 → 2025-03-31¥10m
Construction Businessreportable segmentsegment profit2024-10-01 → 2025-03-31¥337m
Environment Businessreportable segmentrevenue2024-10-01 → 2025-03-31¥4.1bn
Environment Businessreportable segmentrevenue external2024-10-01 → 2025-03-31¥4.1bn
Environment Businessreportable segmentrevenue intersegment2024-10-01 → 2025-03-31¥6m
Environment Businessreportable segmentsegment profit2024-10-01 → 2025-03-31¥708m
Environment Engineeringreportable segmentrevenue2024-10-01 → 2025-03-31¥203m
Environment Engineeringreportable segmentrevenue external2024-10-01 → 2025-03-31¥203m
Environment Engineeringreportable segmentsegment profit2024-10-01 → 2025-03-31¥17m
—segment totalrevenue2024-10-01 → 2025-03-31¥7.6bn
—segment totalrevenue external2024-10-01 → 2025-03-31¥7.6bn
—segment totalrevenue intersegment2024-10-01 → 2025-03-31¥16m
—segment totalsegment profit2024-10-01 → 2025-03-31¥1.1bn

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

All source rows · 515
ItemContextValueUnit
Number of shares heldInterimInstant_No2MajorShareholdersMember669592
Shareholding ratioInterimInstant_No2MajorShareholdersMember0.2374
Number of shares heldInterimInstant_No3MajorShareholdersMember266276
Shareholding ratioInterimInstant_No3MajorShareholdersMember0.0944
Number of shares heldInterimInstant_No4MajorShareholdersMember196000
Shareholding ratioInterimInstant_No4MajorShareholdersMember0.0695
Number of shares heldInterimInstant_No5MajorShareholdersMember132200
Shareholding ratioInterimInstant_No5MajorShareholdersMember0.0469
Number of shares heldInterimInstant_No6MajorShareholdersMember73400
Shareholding ratioInterimInstant_No6MajorShareholdersMember0.0260
Number of shares heldInterimInstant_No7MajorShareholdersMember33582
Shareholding ratioInterimInstant_No7MajorShareholdersMember0.0119
Number of shares heldInterimInstant_No8MajorShareholdersMember30303
Shareholding ratioInterimInstant_No8MajorShareholdersMember0.0107
Number of shares heldInterimInstant_No9MajorShareholdersMember9000
Shareholding ratioInterimInstant_No9MajorShareholdersMember0.0032
Number of shares heldInterimInstant_No10MajorShareholdersMember9000
Shareholding ratioInterimInstant_No10MajorShareholdersMember0.0032
Number of shares heldInterimInstant2707303
Shareholding ratioInterimInstant0.9600
Number of shares issued shares voting rightsInterimInstant_SharesWithNoVotingRightsMember-
Number of shares issued shares voting rightsInterimInstant_SharesWithRestrictedVotingRightsTreasurySharesEtcMember-
Number of shares issued shares voting rightsInterimInstant_SharesWithRestrictedVotingRightsOtherMember-
Number of voting rights issued shares voting rightsInterimInstant_SharesWithRestrictedVotingRightsOtherMember-
Number of shares issued shares voting rightsInterimInstant_OrdinarySharesSharesWithFullVotingRightsTreasurySharesEtcMember1000
Number of shares issued shares voting rightsInterimInstant_OrdinarySharesSharesWithFullVotingRightsOtherMember2819400
Number of voting rights issued shares voting rightsInterimInstant_OrdinarySharesSharesWithFullVotingRightsOtherMember28194
Number of shares issued shares voting rightsInterimInstant_OrdinarySharesSharesLessThanOneUnitMember853
Number of shares issued shares voting rightsInterimInstant2821253
Number of voting rights issued shares voting rightsInterimInstant28194
Number of shares held in own name treasury shares etcInterimInstant_Row1Member1000
Number of shares held in others names treasury shares etcInterimInstant_Row1Member-
Total number of shares held treasury shares etcInterimInstant_Row1Member1000
Shareholding ratio treasury shares etcInterimInstant_Row1Member0.0004
Number of shares held in own name treasury shares etcInterimInstant1000
Number of shares held in others names treasury shares etcInterimInstant-
Total number of shares held treasury shares etcInterimInstant1000
Shareholding ratio treasury shares etcInterimInstant0.0004
Cash and depositsPrior1YearInstant2974110000JPY
Cash and depositsInterimInstant2783664000JPY
Notes and accounts receivable tradePrior1YearInstant1617343000JPY
Notes and accounts receivable tradeInterimInstant2133096000JPY
Accounts receivable from completed construction contracts cnsPrior1YearInstant92259000JPY
Accounts receivable from completed construction contracts cnsInterimInstant102548000JPY
Contract assetsPrior1YearInstant1310642000JPY
Contract assetsInterimInstant1637333000JPY
Raw materials and suppliesPrior1YearInstant39615000JPY
Raw materials and suppliesInterimInstant42390000JPY
Costs on uncompleted construction contracts cnsPrior1YearInstant64882000JPY
Costs on uncompleted construction contracts cnsInterimInstant117804000JPY

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 · 14 of 14 passed
balance sheet identityconsolidated 2025-09-30pass rounding
balance sheet identityconsolidated 2026-03-31pass rounding
dei present pass
period resolution pass
statement vs summary · net assetsconsolidated 2025-09-30pass
statement vs summary · net assetsconsolidated 2026-03-31pass
statement vs summary · net income attributable to parentconsolidated 2024-10-01/2025-03-31pass
statement vs summary · net income attributable to parentconsolidated 2025-10-01/2026-03-31pass
statement vs summary · operating cash flowconsolidated 2024-10-01/2025-03-31pass
statement vs summary · operating cash flowconsolidated 2025-10-01/2026-03-31pass
statement vs summary · revenueconsolidated 2024-10-01/2025-03-31pass
statement vs summary · revenueconsolidated 2025-10-01/2026-03-31pass
statement vs summary · total assetsconsolidated 2025-09-30pass
statement vs summary · total assetsconsolidated 2026-03-31pass