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
Independent auditors report consolidated (text)FilingDateInstantText · Plus
Audit firm1 consolidatedFilingDateInstant
Original text (Japanese)監査法人日本橋事務所
Cpa1 audit firm1 consolidatedFilingDateInstant
Original text (Japanese)工  藤  和  則
Cpa2 audit firm1 consolidatedFilingDateInstant
Original text (Japanese)新  藤  弘  一
Number of submissionFilingDateInstant1
Net sales (5-year summary)Prior1InterimDuration4439617000JPY
Net sales (5-year summary)InterimDuration4841368000JPY
Net sales (5-year summary)Prior1YearDuration10611275000JPY
Ordinary income loss (5-year summary)Prior1InterimDuration92127000JPY
Ordinary income loss (5-year summary)InterimDuration22758000JPY
Ordinary income loss (5-year summary)Prior1YearDuration581736000JPY
Profit loss attributable to owners of parent (5-year summary)Prior1InterimDuration54086000JPY
Profit loss attributable to owners of parent (5-year summary)InterimDuration-75416000JPY
Profit loss attributable to owners of parent (5-year summary)Prior1YearDuration456450000JPY
Comprehensive income (5-year summary)Prior1InterimDuration52104000JPY
Comprehensive income (5-year summary)InterimDuration-76951000JPY
Comprehensive income (5-year summary)Prior1YearDuration461963000JPY
Net assets (5-year summary)Prior1InterimInstant4935739000JPY
Net assets (5-year summary)InterimInstant5141420000JPY
Net assets (5-year summary)Prior1YearInstant5345575000JPY
Total assets (5-year summary)Prior1InterimInstant13030058000JPY
Total assets (5-year summary)InterimInstant13542127000JPY
Total assets (5-year summary)Prior1YearInstant13941359000JPY
Basic earnings loss per share (5-year summary)Prior1InterimDuration6.39
Basic earnings loss per share (5-year summary)InterimDuration-8.89
Basic earnings loss per share (5-year summary)Prior1YearDuration53.87
Diluted earnings per share (5-year summary)Prior1InterimDuration-
Diluted earnings per share (5-year summary)InterimDuration-
Diluted earnings per share (5-year summary)Prior1YearDuration-
Equity to asset ratio (5-year summary)Prior1InterimInstant0.379
Equity to asset ratio (5-year summary)InterimInstant0.380
Equity to asset ratio (5-year summary)Prior1YearInstant0.383
Net cash provided by used in operating activities (5-year summary)Prior1InterimDuration66391000JPY
Net cash provided by used in operating activities (5-year summary)InterimDuration394096000JPY
Net cash provided by used in operating activities (5-year summary)Prior1YearDuration529730000JPY
Net cash provided by used in investing activities (5-year summary)Prior1InterimDuration88023000JPY
Net cash provided by used in investing activities (5-year summary)InterimDuration-313135000JPY
Net cash provided by used in investing activities (5-year summary)Prior1YearDuration53898000JPY
Net cash provided by used in financing activities (5-year summary)Prior1InterimDuration-207279000JPY
Net cash provided by used in financing activities (5-year summary)InterimDuration-22094000JPY
Net cash provided by used in financing activities (5-year summary)Prior1YearDuration-461316000JPY
Cash and cash equivalents (5-year summary)Prior1InterimInstant1605414000JPY
Cash and cash equivalents (5-year summary)InterimInstant1839359000JPY
Cash and cash equivalents (5-year summary)Prior1YearInstant1780482000JPY
Number of issued shares as of fiscal year end issued shares total number of shares etcFilingDateInstant_OrdinaryShareMember8970111
Number of issued shares as of filing date issued shares total number of shares etcFilingDateInstant_OrdinaryShareMember8970111
Number of issued shares as of fiscal year end issued shares total number of shares etcFilingDateInstant8970111
Number of issued shares as of filing date issued shares total number of shares etcFilingDateInstant8970111
Number of shares heldInterimInstant_No1MajorShareholdersMember7181000
Shareholding ratioInterimInstant_No1MajorShareholdersMember0.8469

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