Half-year report · HY

Period2025-04-01 → 2025-09-30
Filed2025-11-10
StandardJapan GAAP
ConsolidatedYes
Data checks14 of 14 passed
Key figures · 44
MetricValuePeriodScopeSource row
Revenue¥4.8bn2025-04-01 → 2025-09-30Cons.Net sales
Revenue¥10.6bn2024-04-01 → 2025-03-31Cons.Net sales (5-year summary)
Revenue¥4.4bn2024-04-01 → 2024-09-30Cons.Net sales
Operating income¥80m2025-04-01 → 2025-09-30Cons.Operating income
Operating income¥119m2024-04-01 → 2024-09-30Cons.Operating income
Ordinary income¥23m2025-04-01 → 2025-09-30Cons.Ordinary income
Ordinary income¥582m2024-04-01 → 2025-03-31Cons.Ordinary income loss (5-year summary)
Ordinary income¥92m2024-04-01 → 2024-09-30Cons.Ordinary income
Profit before tax−¥71m2025-04-01 → 2025-09-30Cons.Income before income taxes
Profit before tax¥91m2024-04-01 → 2024-09-30Cons.Income before income taxes
Net income (owners)−¥75m2025-04-01 → 2025-09-30Cons.Profit loss attributable to owners of parent
Net income (owners)¥456m2024-04-01 → 2025-03-31Cons.Profit loss attributable to owners of parent (5-year summary)
Net income (owners)¥54m2024-04-01 → 2024-09-30Cons.Profit loss attributable to owners of parent
Net income−¥75m2025-04-01 → 2025-09-30Cons.Profit loss
Net income¥54m2024-04-01 → 2024-09-30Cons.Profit loss
Total assets¥13.5bnat 2025-09-30Cons.Assets
Total assets¥13.9bnat 2025-03-31Cons.Assets
Total assets¥13.0bnat 2024-09-30Cons.Total assets (5-year summary)
Total liabilities¥8.4bnat 2025-09-30Cons.Liabilities
Total liabilities¥8.6bnat 2025-03-31Cons.Liabilities
Net assets / equity¥5.1bnat 2025-09-30Cons.Net assets
Net assets / equity¥5.3bnat 2025-03-31Cons.Net assets
Net assets / equity¥4.9bnat 2024-09-30Cons.Net assets (5-year summary)
Cash and deposits¥1.9bnat 2025-09-30Cons.Cash and deposits
Cash and deposits¥1.8bnat 2025-03-31Cons.Cash and deposits
Cash & equivalents¥1.8bnat 2025-09-30Cons.Cash and cash equivalents
Cash & equivalents¥1.8bnat 2025-03-31Cons.Cash and cash equivalents
Cash & equivalents¥1.6bnat 2024-09-30Cons.Cash and cash equivalents
Cash & equivalents¥1.7bnat 2024-03-31vCons.Cash and cash equivalents
Operating cash flow¥394m2025-04-01 → 2025-09-30Cons.Net cash provided by used in operating activities
Operating cash flow¥530m2024-04-01 → 2025-03-31Cons.Net cash provided by used in operating activities (5-year summary)
Operating cash flow¥66m2024-04-01 → 2024-09-30Cons.Net cash provided by used in operating activities
Investing cash flow−¥313m2025-04-01 → 2025-09-30Cons.Net cash provided by used in investment activities
Investing cash flow¥54m2024-04-01 → 2025-03-31Cons.Net cash provided by used in investing activities (5-year summary)
Investing cash flow¥88m2024-04-01 → 2024-09-30Cons.Net cash provided by used in investment activities
Financing cash flow−¥22m2025-04-01 → 2025-09-30Cons.Net cash provided by used in financing activities
Financing cash flow−¥461m2024-04-01 → 2025-03-31Cons.Net cash provided by used in financing activities (5-year summary)
Financing cash flow−¥207m2024-04-01 → 2024-09-30Cons.Net cash provided by used in financing activities
EPS (basic)¥-8.892025-04-01 → 2025-09-30Cons.Basic earnings loss per share (5-year summary)
EPS (basic)¥53.872024-04-01 → 2025-03-31Cons.Basic earnings loss per share (5-year summary)
EPS (basic)¥6.392024-04-01 → 2024-09-30Cons.Basic earnings loss per share (5-year summary)
Equity ratio38.0%at 2025-09-30Cons.Equity to asset ratio (5-year summary)
Equity ratio38.3%at 2025-03-31Cons.Equity to asset ratio (5-year summary)
Equity ratio37.9%at 2024-09-30Cons.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 · 28
SegmentItemPeriodValue
Reconciling Itemsreconcilingrevenue2025-04-01 → 2025-09-30−¥19m
Reconciling Itemsreconcilingrevenue intersegment2025-04-01 → 2025-09-30−¥19m
Reconciling Itemsreconcilingsegment profit2025-04-01 → 2025-09-30¥2m
Boring Machine Relatedreportable segmentrevenue2025-04-01 → 2025-09-30¥3.2bn
Boring Machine Relatedreportable segmentrevenue external2025-04-01 → 2025-09-30¥3.2bn
Boring Machine Relatedreportable segmentrevenue intersegment2025-04-01 → 2025-09-30¥19m
Boring Machine Relatedreportable segmentsegment profit2025-04-01 → 2025-09-30¥13m
Work Execution Relatedreportable segmentrevenue2025-04-01 → 2025-09-30¥1.6bn
Work Execution Relatedreportable segmentrevenue external2025-04-01 → 2025-09-30¥1.6bn
Work Execution Relatedreportable segmentsegment profit2025-04-01 → 2025-09-30¥65m
Total Of Reportable Segments And Otherssegment totalrevenue2025-04-01 → 2025-09-30¥4.9bn
Total Of Reportable Segments And Otherssegment totalrevenue external2025-04-01 → 2025-09-30¥4.8bn
Total Of Reportable Segments And Otherssegment totalrevenue intersegment2025-04-01 → 2025-09-30¥19m
Total Of Reportable Segments And Otherssegment totalsegment profit2025-04-01 → 2025-09-30¥78m
Reconciling Itemsreconcilingrevenue2024-04-01 → 2024-09-30−¥16m
Reconciling Itemsreconcilingrevenue intersegment2024-04-01 → 2024-09-30−¥16m
Reconciling Itemsreconcilingsegment profit2024-04-01 → 2024-09-30¥985,000
Boring Machine Relatedreportable segmentrevenue2024-04-01 → 2024-09-30¥2.9bn
Boring Machine Relatedreportable segmentrevenue external2024-04-01 → 2024-09-30¥2.9bn
Boring Machine Relatedreportable segmentrevenue intersegment2024-04-01 → 2024-09-30¥16m
Boring Machine Relatedreportable segmentsegment profit2024-04-01 → 2024-09-30¥55m
Work Execution Relatedreportable segmentrevenue2024-04-01 → 2024-09-30¥1.6bn
Work Execution Relatedreportable segmentrevenue external2024-04-01 → 2024-09-30¥1.6bn
Work Execution Relatedreportable segmentsegment profit2024-04-01 → 2024-09-30¥62m
Total Of Reportable Segments And Otherssegment totalrevenue2024-04-01 → 2024-09-30¥4.5bn
Total Of Reportable Segments And Otherssegment totalrevenue external2024-04-01 → 2024-09-30¥4.4bn
Total Of Reportable Segments And Otherssegment totalrevenue intersegment2024-04-01 → 2024-09-30¥16m
Total Of Reportable Segments And Otherssegment totalsegment profit2024-04-01 → 2024-09-30¥118m

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

All source rows · 504
ItemContextValueUnit
Cost of salesPrior1InterimDuration3166815000JPY
Cost of salesInterimDuration3484950000JPY
Gross profitPrior1InterimDuration1272801000JPY
Gross profitInterimDuration1356418000JPY
Selling general and administrative expensesPrior1InterimDuration1154265000JPY
Selling general and administrative expensesInterimDuration1276044000JPY
Operating incomePrior1InterimDuration118535000JPY
Operating incomeInterimDuration80373000JPY
Interest income noiPrior1InterimDuration201000JPY
Interest income noiInterimDuration1325000JPY
Dividends income noiPrior1InterimDuration53000JPY
Dividends income noiInterimDuration115000JPY
Rent income noiPrior1InterimDuration-JPY
Rent income noiInterimDuration3072000JPY
Insurance income noiPrior1InterimDuration18816000JPY
Insurance income noiInterimDuration261000JPY
Other noiPrior1InterimDuration7016000JPY
Other noiInterimDuration3705000JPY
Non operating incomePrior1InterimDuration26087000JPY
Non operating incomeInterimDuration8480000JPY
Interest expenses noePrior1InterimDuration43551000JPY
Interest expenses noeInterimDuration57904000JPY
Foreign exchange losses noePrior1InterimDuration8039000JPY
Foreign exchange losses noeInterimDuration1972000JPY
Other noePrior1InterimDuration904000JPY
Other noeInterimDuration6218000JPY
Non operating expensesPrior1InterimDuration52495000JPY
Non operating expensesInterimDuration66095000JPY
Ordinary incomePrior1InterimDuration92127000JPY
Ordinary incomeInterimDuration22758000JPY
Gain on sales of noncurrent assets eiPrior1InterimDuration-JPY
Gain on sales of noncurrent assets eiInterimDuration1999000JPY
Extraordinary incomePrior1InterimDuration-JPY
Extraordinary incomeInterimDuration1999000JPY
Loss on retirement of noncurrent assets elPrior1InterimDuration643000JPY
Loss on retirement of noncurrent assets elInterimDuration0JPY
Tender offer related expenses elPrior1InterimDuration-JPY
Tender offer related expenses elInterimDuration95417000JPY
Extraordinary lossPrior1InterimDuration643000JPY
Extraordinary lossInterimDuration95417000JPY
Income before income taxesPrior1InterimDuration91484000JPY
Income before income taxesInterimDuration-70658000JPY
Income taxes currentPrior1InterimDuration79201000JPY
Income taxes currentInterimDuration91092000JPY
Income taxes deferredPrior1InterimDuration-41803000JPY
Income taxes deferredInterimDuration-86333000JPY
Income taxesPrior1InterimDuration37398000JPY
Income taxesInterimDuration4758000JPY
Profit lossPrior1InterimDuration54086000JPY
Profit lossInterimDuration-75416000JPY

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 2025-03-31pass rounding
balance sheet identityconsolidated 2025-09-30pass rounding
dei present pass
period resolution pass
statement vs summary · net assetsconsolidated 2025-03-31pass
statement vs summary · net assetsconsolidated 2025-09-30pass
statement vs summary · net income attributable to parentconsolidated 2024-04-01/2024-09-30pass
statement vs summary · net income attributable to parentconsolidated 2025-04-01/2025-09-30pass
statement vs summary · operating cash flowconsolidated 2024-04-01/2024-09-30pass
statement vs summary · operating cash flowconsolidated 2025-04-01/2025-09-30pass
statement vs summary · revenueconsolidated 2024-04-01/2024-09-30pass
statement vs summary · revenueconsolidated 2025-04-01/2025-09-30pass
statement vs summary · total assetsconsolidated 2025-03-31pass
statement vs summary · total assetsconsolidated 2025-09-30pass