Annual report

Period2024-04-01 → 2025-03-31
Filed2025-06-24
StandardJapan GAAP
ConsolidatedYes
Data checks24 of 24 passed
Key figures · 148
MetricValuePeriodScopeSource row
Revenue¥10.6bn2024-04-01 → 2025-03-31Cons.Net sales
Revenue¥9.5bn2023-04-01 → 2024-03-31Cons.Net sales
Revenue¥8.2bn2022-04-01 → 2023-03-31dCons.Net sales (5-year summary)
Revenue¥7.3bn2021-04-01 → 2022-03-31dCons.Net sales (5-year summary)
Revenue¥7.5bn2020-04-01 → 2021-03-31dCons.Net sales (5-year summary)
Operating income¥654m2024-04-01 → 2025-03-31Cons.Operating income
Operating income¥560m2023-04-01 → 2024-03-31Cons.Operating income
Ordinary income¥582m2024-04-01 → 2025-03-31Cons.Ordinary income
Ordinary income¥478m2023-04-01 → 2024-03-31Cons.Ordinary income
Ordinary income¥157m2022-04-01 → 2023-03-31dCons.Ordinary income loss (5-year summary)
Ordinary income¥310m2021-04-01 → 2022-03-31dCons.Ordinary income loss (5-year summary)
Ordinary income¥177m2020-04-01 → 2021-03-31dCons.Ordinary income loss (5-year summary)
Profit before tax¥581m2024-04-01 → 2025-03-31Cons.Income before income taxes
Profit before tax¥466m2023-04-01 → 2024-03-31Cons.Income before income taxes
Net income (owners)¥456m2024-04-01 → 2025-03-31Cons.Profit loss attributable to owners of parent
Net income (owners)¥300m2023-04-01 → 2024-03-31Cons.Profit loss attributable to owners of parent
Net income (owners)¥186m2022-04-01 → 2023-03-31dCons.Profit loss attributable to owners of parent (5-year summary)
Net income (owners)¥293m2021-04-01 → 2022-03-31dCons.Profit loss attributable to owners of parent (5-year summary)
Net income (owners)¥836m2020-04-01 → 2021-03-31dCons.Profit loss attributable to owners of parent (5-year summary)
Net income¥456m2024-04-01 → 2025-03-31Cons.Profit loss
Net income¥300m2023-04-01 → 2024-03-31Cons.Profit loss
Total assets¥13.9bnat 2025-03-31Cons.Assets
Total assets¥13.5bnat 2024-03-31Cons.Assets
Total assets¥12.9bnat 2023-03-31dCons.Total assets (5-year summary)
Total assets¥11.6bnat 2022-03-31dCons.Total assets (5-year summary)
Total assets¥9.2bnat 2021-03-31dCons.Total assets (5-year summary)
Total liabilities¥8.6bnat 2025-03-31Cons.Liabilities
Total liabilities¥8.5bnat 2024-03-31Cons.Liabilities
Net assets / equity¥5.3bnat 2025-03-31Cons.Net assets
Net assets / equity¥5.0bnat 2024-03-31Cons.Net assets
Net assets / equity¥4.7bnat 2023-03-31dCons.Net assets
Net assets / equity¥4.6bnat 2022-03-31dCons.Net assets (5-year summary)
Net assets / equity¥4.7bnat 2021-03-31dCons.Net assets (5-year summary)
Cash and deposits¥1.8bnat 2025-03-31Cons.Cash and deposits
Cash and deposits¥1.7bnat 2024-03-31Cons.Cash and deposits
Cash & equivalents¥1.8bnat 2025-03-31Cons.Cash and cash equivalents
Cash & equivalents¥1.7bnat 2024-03-31Cons.Cash and cash equivalents
Cash & equivalents¥1.3bnat 2023-03-31dCons.Cash and cash equivalents
Cash & equivalents¥1.2bnat 2022-03-31dCons.Cash and cash equivalents (5-year summary)
Cash & equivalents¥1.4bnat 2021-03-31dCons.Cash and cash equivalents (5-year summary)
Operating cash flow¥530m2024-04-01 → 2025-03-31Cons.Net cash provided by used in operating activities
Operating cash flow¥473m2023-04-01 → 2024-03-31Cons.Net cash provided by used in operating activities
Operating cash flow−¥611m2022-04-01 → 2023-03-31dCons.Net cash provided by used in operating activities (5-year summary)
Operating cash flow¥142m2021-04-01 → 2022-03-31dCons.Net cash provided by used in operating activities (5-year summary)
Operating cash flow−¥49m2020-04-01 → 2021-03-31dCons.Net cash provided by used in operating activities (5-year summary)
Investing cash flow¥54m2024-04-01 → 2025-03-31Cons.Net cash provided by used in investment activities
Investing cash flow−¥37m2023-04-01 → 2024-03-31Cons.Net cash provided by used in investment activities
Investing cash flow−¥1.7bn2022-04-01 → 2023-03-31dCons.Net cash provided by used in investing activities (5-year summary)
Investing cash flow−¥1.4bn2021-04-01 → 2022-03-31dCons.Net cash provided by used in investing activities (5-year summary)
Investing cash flow¥39m2020-04-01 → 2021-03-31dCons.Net cash provided by used in investing activities (5-year summary)
Financing cash flow−¥461m2024-04-01 → 2025-03-31Cons.Net cash provided by used in financing activities
Financing cash flow−¥83m2023-04-01 → 2024-03-31Cons.Net cash provided by used in financing activities
Financing cash flow¥2.4bn2022-04-01 → 2023-03-31dCons.Net cash provided by used in financing activities (5-year summary)
Financing cash flow¥1.1bn2021-04-01 → 2022-03-31dCons.Net cash provided by used in financing activities (5-year summary)
Financing cash flow¥299m2020-04-01 → 2021-03-31dCons.Net cash provided by used in financing activities (5-year summary)
EPS (basic)¥53.872024-04-01 → 2025-03-31Cons.Basic earnings loss per share (5-year summary)
EPS (basic)¥35.452023-04-01 → 2024-03-31Cons.Basic earnings loss per share (5-year summary)
EPS (basic)¥22.032022-04-01 → 2023-03-31dCons.Basic earnings loss per share (5-year summary)
EPS (basic)¥34.472021-04-01 → 2022-03-31dCons.Basic earnings loss per share (5-year summary)
EPS (basic)¥93.222020-04-01 → 2021-03-31dCons.Basic earnings loss per share (5-year summary)
Net assets per share¥630.36at 2025-03-31Cons.Net assets per share (5-year summary)
Net assets per share¥587.87at 2024-03-31Cons.Net assets per share (5-year summary)
Net assets per share¥556.46at 2023-03-31dCons.Net assets per share (5-year summary)
Net assets per share¥542.09at 2022-03-31dCons.Net assets per share (5-year summary)
Net assets per share¥519.05at 2021-03-31dCons.Net assets per share (5-year summary)
Equity ratio38.3%at 2025-03-31Cons.Equity to asset ratio (5-year summary)
Equity ratio36.9%at 2024-03-31Cons.Equity to asset ratio (5-year summary)
Equity ratio36.4%at 2023-03-31dCons.Equity to asset ratio (5-year summary)
Equity ratio39.2%at 2022-03-31dCons.Equity to asset ratio (5-year summary)
Equity ratio50.4%at 2021-03-31dCons.Equity to asset ratio (5-year summary)
ROE8.8%2024-04-01 → 2025-03-31Cons.Rate of return on equity (5-year summary)
ROE6.2%2023-04-01 → 2024-03-31Cons.Rate of return on equity (5-year summary)
ROE4.0%2022-04-01 → 2023-03-31dCons.Rate of return on equity (5-year summary)
ROE6.4%2021-04-01 → 2022-03-31dCons.Rate of return on equity (5-year summary)
ROE19.6%2020-04-01 → 2021-03-31dCons.Rate of return on equity (5-year summary)
Employees305at 2025-03-31Cons.Number of employees
Employees306at 2024-03-31Cons.Number of employees
Employees314at 2023-03-31dCons.Number of employees
Employees257at 2022-03-31dCons.Number of employees
Employees244at 2021-03-31dCons.Number of employees
Revenue¥7.1bn2024-04-01 → 2025-03-31StandaloneNet sales
Revenue¥6.6bn2023-04-01 → 2024-03-31StandaloneNet sales
Revenue¥6.8bn2022-04-01 → 2023-03-31dStandaloneNet sales (5-year summary)
Revenue¥6.7bn2021-04-01 → 2022-03-31dStandaloneNet sales (5-year summary)
Revenue¥6.7bn2020-04-01 → 2021-03-31dStandaloneNet sales (5-year summary)
Operating income¥328m2024-04-01 → 2025-03-31StandaloneOperating income
Operating income¥411m2023-04-01 → 2024-03-31StandaloneOperating income
Ordinary income¥309m2024-04-01 → 2025-03-31StandaloneOrdinary income
Ordinary income¥331m2023-04-01 → 2024-03-31StandaloneOrdinary income
Ordinary income¥130m2022-04-01 → 2023-03-31dStandaloneOrdinary income loss (5-year summary)
Ordinary income¥274m2021-04-01 → 2022-03-31dStandaloneOrdinary income loss (5-year summary)
Ordinary income¥38m2020-04-01 → 2021-03-31dStandaloneOrdinary income loss (5-year summary)
Profit before tax¥309m2024-04-01 → 2025-03-31StandaloneIncome before income taxes
Profit before tax¥326m2023-04-01 → 2024-03-31StandaloneIncome before income taxes
Net income¥296m2024-04-01 → 2025-03-31StandaloneProfit loss
Net income¥216m2023-04-01 → 2024-03-31StandaloneProfit loss
Net income¥175m2022-04-01 → 2023-03-31dStandaloneNet income loss (5-year summary)
Net income¥272m2021-04-01 → 2022-03-31dStandaloneNet income loss (5-year summary)
Net income¥753m2020-04-01 → 2021-03-31dStandaloneNet income loss (5-year summary)
Total assets¥12.1bnat 2025-03-31StandaloneAssets
Total assets¥12.1bnat 2024-03-31StandaloneAssets
Total assets¥11.6bnat 2023-03-31dStandaloneTotal assets (5-year summary)
Total assets¥11.1bnat 2022-03-31dStandaloneTotal assets (5-year summary)
Total assets¥8.6bnat 2021-03-31dStandaloneTotal assets (5-year summary)
Total liabilities¥7.4bnat 2025-03-31StandaloneLiabilities
Total liabilities¥7.6bnat 2024-03-31StandaloneLiabilities
Net assets / equity¥4.7bnat 2025-03-31StandaloneNet assets
Net assets / equity¥4.5bnat 2024-03-31StandaloneNet assets
Net assets / equity¥4.3bnat 2023-03-31dStandaloneNet assets
Net assets / equity¥4.2bnat 2022-03-31dStandaloneNet assets (5-year summary)
Net assets / equity¥4.4bnat 2021-03-31dStandaloneNet assets (5-year summary)
Cash and deposits¥757mat 2025-03-31StandaloneCash and deposits
Cash and deposits¥792mat 2024-03-31StandaloneCash and deposits
EPS (basic)¥34.912024-04-01 → 2025-03-31StandaloneBasic earnings loss per share (5-year summary)
EPS (basic)¥25.62023-04-01 → 2024-03-31StandaloneBasic earnings loss per share (5-year summary)
EPS (basic)¥20.72022-04-01 → 2023-03-31dStandaloneBasic earnings loss per share (5-year summary)
EPS (basic)¥32.042021-04-01 → 2022-03-31dStandaloneBasic earnings loss per share (5-year summary)
EPS (basic)¥84.012020-04-01 → 2021-03-31dStandaloneBasic earnings loss per share (5-year summary)
Dividend per share¥152024-04-01 → 2025-03-31StandaloneDividend paid per share (5-year summary)
Dividend per share¥122023-04-01 → 2024-03-31StandaloneDividend paid per share (5-year summary)
Dividend per share¥82022-04-01 → 2023-03-31dStandaloneDividend paid per share (5-year summary)
Dividend per share¥102021-04-01 → 2022-03-31dStandaloneDividend paid per share (5-year summary)
Dividend per share¥102020-04-01 → 2021-03-31dStandaloneDividend paid per share (5-year summary)
Net assets per share¥554.72at 2025-03-31StandaloneNet assets per share (5-year summary)
Net assets per share¥531.67at 2024-03-31StandaloneNet assets per share (5-year summary)
Net assets per share¥514.04at 2023-03-31dStandaloneNet assets per share (5-year summary)
Net assets per share¥503.53at 2022-03-31dStandaloneNet assets per share (5-year summary)
Net assets per share¥486.15at 2021-03-31dStandaloneNet assets per share (5-year summary)
Equity ratio39.0%at 2025-03-31StandaloneEquity to asset ratio (5-year summary)
Equity ratio37.2%at 2024-03-31StandaloneEquity to asset ratio (5-year summary)
Equity ratio37.3%at 2023-03-31dStandaloneEquity to asset ratio (5-year summary)
Equity ratio38.2%at 2022-03-31dStandaloneEquity to asset ratio (5-year summary)
Equity ratio50.8%at 2021-03-31dStandaloneEquity to asset ratio (5-year summary)
ROE6.4%2024-04-01 → 2025-03-31StandaloneRate of return on equity (5-year summary)
ROE4.9%2023-04-01 → 2024-03-31StandaloneRate of return on equity (5-year summary)
ROE4.1%2022-04-01 → 2023-03-31dStandaloneRate of return on equity (5-year summary)
ROE6.3%2021-04-01 → 2022-03-31dStandaloneRate of return on equity (5-year summary)
ROE18.7%2020-04-01 → 2021-03-31dStandaloneRate of return on equity (5-year summary)
Shares issued8,970,000at 2025-03-31StandaloneTotal number of issued shares (5-year summary)
Shares issued8,970,000at 2024-03-31StandaloneTotal number of issued shares (5-year summary)
Shares issued8,970,000at 2023-03-31dStandaloneTotal number of issued shares (5-year summary)
Shares issued8,970,000at 2022-03-31dStandaloneTotal number of issued shares (5-year summary)
Shares issued8,970,000at 2021-03-31dStandaloneTotal number of issued shares (5-year summary)
Employees229at 2025-03-31StandaloneNumber of employees
Employees234at 2024-03-31StandaloneNumber of employees
Employees242at 2023-03-31dStandaloneNumber of employees
Employees239at 2022-03-31dStandaloneNumber of employees
Employees229at 2021-03-31dStandaloneNumber of employees

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 · 52
SegmentItemPeriodValue
Reconciling Itemsreconcilingrevenue2024-04-01 → 2025-03-31−¥32m
Reconciling Itemsreconcilingrevenue intersegment2024-04-01 → 2025-03-31−¥32m
Reconciling Itemsreconcilingsegment assetsat 2025-03-31¥865m
Reconciling Itemsreconcilingsegment profit2024-04-01 → 2025-03-31−¥6m
Boring Machine Relatedreportable segmentcapex2024-04-01 → 2025-03-31¥52m
Boring Machine Relatedreportable segmentdepreciation2024-04-01 → 2025-03-31¥191m
Boring Machine Relatedreportable segmentemployeesat 2025-03-31203 pure
Boring Machine Relatedreportable segmentrevenue2024-04-01 → 2025-03-31¥6.9bn
Boring Machine Relatedreportable segmentrevenue external2024-04-01 → 2025-03-31¥6.9bn
Boring Machine Relatedreportable segmentrevenue intersegment2024-04-01 → 2025-03-31¥32m
Boring Machine Relatedreportable segmentsegment assetsat 2025-03-31¥10.4bn
Boring Machine Relatedreportable segmentsegment profit2024-04-01 → 2025-03-31¥279m
Work Execution Relatedreportable segmentcapex2024-04-01 → 2025-03-31¥41m
Work Execution Relatedreportable segmentdepreciation2024-04-01 → 2025-03-31¥59m
Work Execution Relatedreportable segmentemployeesat 2025-03-3168 pure
Work Execution Relatedreportable segmentrevenue2024-04-01 → 2025-03-31¥3.8bn
Work Execution Relatedreportable segmentrevenue external2024-04-01 → 2025-03-31¥3.8bn
Work Execution Relatedreportable segmentsegment assetsat 2025-03-31¥2.6bn
Work Execution Relatedreportable segmentsegment profit2024-04-01 → 2025-03-31¥381m
Total Of Reportable Segments And Otherssegment totalcapex2024-04-01 → 2025-03-31¥94m
Total Of Reportable Segments And Otherssegment totaldepreciation2024-04-01 → 2025-03-31¥250m
Total Of Reportable Segments And Otherssegment totalrevenue2024-04-01 → 2025-03-31¥10.6bn
Total Of Reportable Segments And Otherssegment totalrevenue external2024-04-01 → 2025-03-31¥10.6bn
Total Of Reportable Segments And Otherssegment totalrevenue intersegment2024-04-01 → 2025-03-31¥32m
Total Of Reportable Segments And Otherssegment totalsegment assetsat 2025-03-31¥13.1bn
Total Of Reportable Segments And Otherssegment totalsegment profit2024-04-01 → 2025-03-31¥659m
Reconciling Itemsreconcilingrevenue2023-04-01 → 2024-03-31−¥13m
Reconciling Itemsreconcilingrevenue intersegment2023-04-01 → 2024-03-31−¥13m
Reconciling Itemsreconcilingsegment assetsat 2024-03-31¥897m
Reconciling Itemsreconcilingsegment profit2023-04-01 → 2024-03-31¥2m
Boring Machine Relatedreportable segmentcapex2023-04-01 → 2024-03-31¥76m
Boring Machine Relatedreportable segmentdepreciation2023-04-01 → 2024-03-31¥205m
Boring Machine Relatedreportable segmentrevenue2023-04-01 → 2024-03-31¥6.5bn
Boring Machine Relatedreportable segmentrevenue external2023-04-01 → 2024-03-31¥6.5bn
Boring Machine Relatedreportable segmentrevenue intersegment2023-04-01 → 2024-03-31¥13m
Boring Machine Relatedreportable segmentsegment assetsat 2024-03-31¥10.6bn
Boring Machine Relatedreportable segmentsegment profit2023-04-01 → 2024-03-31¥367m
Work Execution Relatedreportable segmentcapex2023-04-01 → 2024-03-31¥64m
Work Execution Relatedreportable segmentdepreciation2023-04-01 → 2024-03-31¥50m
Work Execution Relatedreportable segmentrevenue2023-04-01 → 2024-03-31¥3.0bn
Work Execution Relatedreportable segmentrevenue external2023-04-01 → 2024-03-31¥3.0bn
Work Execution Relatedreportable segmentsegment assetsat 2024-03-31¥2.0bn
Work Execution Relatedreportable segmentsegment profit2023-04-01 → 2024-03-31¥191m
Total Of Reportable Segments And Otherssegment totalcapex2023-04-01 → 2024-03-31¥140m
Total Of Reportable Segments And Otherssegment totaldepreciation2023-04-01 → 2024-03-31¥255m
Total Of Reportable Segments And Otherssegment totalrevenue2023-04-01 → 2024-03-31¥9.5bn
Total Of Reportable Segments And Otherssegment totalrevenue external2023-04-01 → 2024-03-31¥9.5bn
Total Of Reportable Segments And Otherssegment totalrevenue intersegment2023-04-01 → 2024-03-31¥13m
Total Of Reportable Segments And Otherssegment totalsegment assetsat 2024-03-31¥12.6bn
Total Of Reportable Segments And Otherssegment totalsegment profit2023-04-01 → 2024-03-31¥558m
Boring Machine Relatedreportable segmentemployeesat 2025-03-31153 pure
Work Execution Relatedreportable segmentemployeesat 2025-03-3150 pure

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

All source rows · 1,505
ItemContextValueUnit
Construction in progressCurrentYearInstant-JPY
Other net ppePrior1YearInstant31190000JPY
Other net ppeCurrentYearInstant28347000JPY
Property plant and equipmentPrior1YearInstant4639445000JPY
Property plant and equipmentCurrentYearInstant4495128000JPY
GoodwillPrior1YearInstant181704000JPY
GoodwillCurrentYearInstant132148000JPY
Lease assets iaPrior1YearInstant16434000JPY
Lease assets iaCurrentYearInstant5348000JPY
Other iaPrior1YearInstant22269000JPY
Other iaCurrentYearInstant16831000JPY
Intangible assetsPrior1YearInstant220407000JPY
Intangible assetsCurrentYearInstant154328000JPY
Investment securitiesPrior1YearInstant8107000JPY
Investment securitiesCurrentYearInstant8846000JPY
Deferred tax assetsPrior1YearInstant43668000JPY
Deferred tax assetsCurrentYearInstant62914000JPY
Other ioaPrior1YearInstant372261000JPY
Other ioaCurrentYearInstant301452000JPY
Allowance for doubtful accounts ioa by groupPrior1YearInstant-1800000JPY
Allowance for doubtful accounts ioa by groupCurrentYearInstant-1200000JPY
Investments and other assetsPrior1YearInstant422237000JPY
Investments and other assetsCurrentYearInstant372012000JPY
Noncurrent assetsPrior1YearInstant5282089000JPY
Noncurrent assetsCurrentYearInstant5021470000JPY
AssetsPrior1YearInstant13488063000JPY
AssetsCurrentYearInstant13941359000JPY
Notes and accounts payable tradePrior1YearInstant490131000JPY
Notes and accounts payable tradeCurrentYearInstant451180000JPY
Electronically recorded obligations operating clPrior1YearInstant555917000JPY
Electronically recorded obligations operating clCurrentYearInstant352615000JPY
Accounts payable for construction contracts cnsPrior1YearInstant104272000JPY
Accounts payable for construction contracts cnsCurrentYearInstant129259000JPY
Accrued expensesPrior1YearInstant242164000JPY
Accrued expensesCurrentYearInstant620435000JPY
Contract liabilitiesPrior1YearInstant40322000JPY
Contract liabilitiesCurrentYearInstant197992000JPY
Short term loans payablePrior1YearInstant1860000000JPY
Short term loans payableCurrentYearInstant1910000000JPY
Current portion of long term loans payablePrior1YearInstant389852000JPY
Current portion of long term loans payableCurrentYearInstant361520000JPY
Lease obligations clPrior1YearInstant18105000JPY
Lease obligations clCurrentYearInstant23970000JPY
Income taxes payablePrior1YearInstant134654000JPY
Income taxes payableCurrentYearInstant194497000JPY
Provision for product warrantiesPrior1YearInstant4628000JPY
Provision for product warrantiesCurrentYearInstant13016000JPY
Provision for bonusesPrior1YearInstant188530000JPY
Provision for bonusesCurrentYearInstant230259000JPY
Other clPrior1YearInstant277209000JPY

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 · 24 of 24 passed
balance sheet identityconsolidated 2024-03-31pass
balance sheet identityconsolidated 2025-03-31pass rounding
balance sheet identitynon_consolidated 2024-03-31pass rounding
balance sheet identitynon_consolidated 2025-03-31pass rounding
dei present pass
period resolution pass
statement vs summary · net assetsconsolidated 2023-03-31pass
statement vs summary · net assetsconsolidated 2024-03-31pass
statement vs summary · net assetsconsolidated 2025-03-31pass
statement vs summary · net assetsnon_consolidated 2023-03-31pass
statement vs summary · net assetsnon_consolidated 2024-03-31pass
statement vs summary · net assetsnon_consolidated 2025-03-31pass
statement vs summary · net income attributable to parentconsolidated 2023-04-01/2024-03-31pass
statement vs summary · net income attributable to parentconsolidated 2024-04-01/2025-03-31pass
statement vs summary · operating cash flowconsolidated 2023-04-01/2024-03-31pass
statement vs summary · operating cash flowconsolidated 2024-04-01/2025-03-31pass
statement vs summary · revenueconsolidated 2023-04-01/2024-03-31pass
statement vs summary · revenueconsolidated 2024-04-01/2025-03-31pass
statement vs summary · revenuenon_consolidated 2023-04-01/2024-03-31pass
statement vs summary · revenuenon_consolidated 2024-04-01/2025-03-31pass
statement vs summary · total assetsconsolidated 2024-03-31pass
statement vs summary · total assetsconsolidated 2025-03-31pass
statement vs summary · total assetsnon_consolidated 2024-03-31pass
statement vs summary · total assetsnon_consolidated 2025-03-31pass