Annual report

Period2025-04-01 → 2026-03-31
Filed2026-06-22
StandardJapan GAAP
ConsolidatedNo
Data checks13 of 13 passed
Key figures · 88
MetricValuePeriodScopeSource row
Revenue¥14.9bn2025-04-01 → 2026-03-31StandaloneNet sales
Revenue¥14.7bn2024-04-01 → 2025-03-31StandaloneNet sales
Revenue¥13.8bn2023-04-01 → 2024-03-31vStandaloneNet sales (5-year summary)
Revenue¥14.2bn2022-04-01 → 2023-03-31vStandaloneNet sales (5-year summary)
Revenue¥12.9bn2021-04-01 → 2022-03-31vStandaloneNet sales (5-year summary)
Operating income¥1.3bn2025-04-01 → 2026-03-31StandaloneOperating income
Operating income¥1.5bn2024-04-01 → 2025-03-31StandaloneOperating income
Ordinary income¥1.4bn2025-04-01 → 2026-03-31StandaloneOrdinary income
Ordinary income¥1.5bn2024-04-01 → 2025-03-31StandaloneOrdinary income
Ordinary income¥1.2bn2023-04-01 → 2024-03-31vStandaloneOrdinary income loss (5-year summary)
Ordinary income¥1.3bn2022-04-01 → 2023-03-31vStandaloneOrdinary income loss (5-year summary)
Ordinary income¥1.1bn2021-04-01 → 2022-03-31vStandaloneOrdinary income loss (5-year summary)
Profit before tax¥1.6bn2025-04-01 → 2026-03-31StandaloneIncome before income taxes
Profit before tax¥1.5bn2024-04-01 → 2025-03-31StandaloneIncome before income taxes
Net income¥1.2bn2025-04-01 → 2026-03-31StandaloneProfit loss
Net income¥1.0bn2024-04-01 → 2025-03-31StandaloneProfit loss
Net income¥835m2023-04-01 → 2024-03-31vStandaloneNet income loss (5-year summary)
Net income¥899m2022-04-01 → 2023-03-31vStandaloneNet income loss (5-year summary)
Net income¥764m2021-04-01 → 2022-03-31vStandaloneNet income loss (5-year summary)
Total assets¥12.2bnat 2026-03-31StandaloneAssets
Total assets¥12.1bnat 2025-03-31StandaloneAssets
Total assets¥11.3bnat 2024-03-31vStandaloneTotal assets (5-year summary)
Total assets¥11.4bnat 2023-03-31vStandaloneTotal assets (5-year summary)
Total assets¥10.9bnat 2022-03-31vStandaloneTotal assets (5-year summary)
Total liabilities¥2.8bnat 2026-03-31StandaloneLiabilities
Total liabilities¥3.4bnat 2025-03-31StandaloneLiabilities
Net assets / equity¥9.4bnat 2026-03-31StandaloneNet assets
Net assets / equity¥8.7bnat 2025-03-31StandaloneNet assets
Net assets / equity¥8.3bnat 2024-03-31vStandaloneNet assets
Net assets / equity¥8.0bnat 2023-03-31vStandaloneNet assets (5-year summary)
Net assets / equity¥7.6bnat 2022-03-31vStandaloneNet assets (5-year summary)
Cash and deposits¥1.3bnat 2026-03-31StandaloneCash and deposits
Cash and deposits¥1.3bnat 2025-03-31StandaloneCash and deposits
Cash & equivalents¥4.8bnat 2026-03-31StandaloneCash and cash equivalents
Cash & equivalents¥3.9bnat 2025-03-31StandaloneCash and cash equivalents
Cash & equivalents¥3.9bnat 2024-03-31vStandaloneCash and cash equivalents
Cash & equivalents¥3.4bnat 2023-03-31vStandaloneCash and cash equivalents (5-year summary)
Cash & equivalents¥3.3bnat 2022-03-31vStandaloneCash and cash equivalents (5-year summary)
Operating cash flow¥1.7bn2025-04-01 → 2026-03-31StandaloneNet cash provided by used in operating activities
Operating cash flow¥692m2024-04-01 → 2025-03-31StandaloneNet cash provided by used in operating activities
Operating cash flow¥1.2bn2023-04-01 → 2024-03-31vStandaloneNet cash provided by used in operating activities (5-year summary)
Operating cash flow¥823m2022-04-01 → 2023-03-31vStandaloneNet cash provided by used in operating activities (5-year summary)
Operating cash flow¥1.3bn2021-04-01 → 2022-03-31vStandaloneNet cash provided by used in operating activities (5-year summary)
Investing cash flow¥25m2025-04-01 → 2026-03-31StandaloneNet cash provided by used in investment activities
Investing cash flow−¥114m2024-04-01 → 2025-03-31StandaloneNet cash provided by used in investment activities
Investing cash flow−¥89m2023-04-01 → 2024-03-31vStandaloneNet cash provided by used in investing activities (5-year summary)
Investing cash flow−¥185m2022-04-01 → 2023-03-31vStandaloneNet cash provided by used in investing activities (5-year summary)
Investing cash flow−¥224m2021-04-01 → 2022-03-31vStandaloneNet cash provided by used in investing activities (5-year summary)
Financing cash flow−¥792m2025-04-01 → 2026-03-31StandaloneNet cash provided by used in financing activities
Financing cash flow−¥591m2024-04-01 → 2025-03-31StandaloneNet cash provided by used in financing activities
Financing cash flow−¥628m2023-04-01 → 2024-03-31vStandaloneNet cash provided by used in financing activities (5-year summary)
Financing cash flow−¥544m2022-04-01 → 2023-03-31vStandaloneNet cash provided by used in financing activities (5-year summary)
Financing cash flow−¥801m2021-04-01 → 2022-03-31vStandaloneNet cash provided by used in financing activities (5-year summary)
EPS (basic)¥482.512025-04-01 → 2026-03-31StandaloneBasic earnings loss per share (5-year summary)
EPS (basic)¥425.542024-04-01 → 2025-03-31StandaloneBasic earnings loss per share (5-year summary)
EPS (basic)¥339.092023-04-01 → 2024-03-31vStandaloneBasic earnings loss per share (5-year summary)
EPS (basic)¥3652022-04-01 → 2023-03-31vStandaloneBasic earnings loss per share (5-year summary)
EPS (basic)¥312.192021-04-01 → 2022-03-31vStandaloneBasic earnings loss per share (5-year summary)
Dividend per share¥3352025-04-01 → 2026-03-31StandaloneDividend paid per share (5-year summary)
Dividend per share¥3002024-04-01 → 2025-03-31StandaloneDividend paid per share (5-year summary)
Dividend per share¥2402023-04-01 → 2024-03-31vStandaloneDividend paid per share (5-year summary)
Dividend per share¥2552022-04-01 → 2023-03-31vStandaloneDividend paid per share (5-year summary)
Dividend per share¥2202021-04-01 → 2022-03-31vStandaloneDividend paid per share (5-year summary)
Net assets per share¥3,819.71at 2026-03-31StandaloneNet assets per share (5-year summary)
Net assets per share¥3,548.53at 2025-03-31StandaloneNet assets per share (5-year summary)
Net assets per share¥3,371.65at 2024-03-31vStandaloneNet assets per share (5-year summary)
Net assets per share¥3,252.3at 2023-03-31vStandaloneNet assets per share (5-year summary)
Net assets per share¥3,101.54at 2022-03-31vStandaloneNet assets per share (5-year summary)
Equity ratio77.0%at 2026-03-31StandaloneEquity to asset ratio (5-year summary)
Equity ratio71.9%at 2025-03-31StandaloneEquity to asset ratio (5-year summary)
Equity ratio73.3%at 2024-03-31vStandaloneEquity to asset ratio (5-year summary)
Equity ratio70.1%at 2023-03-31vStandaloneEquity to asset ratio (5-year summary)
Equity ratio70.4%at 2022-03-31vStandaloneEquity to asset ratio (5-year summary)
ROE13.1%2025-04-01 → 2026-03-31StandaloneRate of return on equity (5-year summary)
ROE12.3%2024-04-01 → 2025-03-31StandaloneRate of return on equity (5-year summary)
ROE10.2%2023-04-01 → 2024-03-31vStandaloneRate of return on equity (5-year summary)
ROE11.5%2022-04-01 → 2023-03-31vStandaloneRate of return on equity (5-year summary)
ROE10.1%2021-04-01 → 2022-03-31vStandaloneRate of return on equity (5-year summary)
Shares issued2,602,500at 2026-03-31StandaloneTotal number of issued shares (5-year summary)
Shares issued2,602,500at 2025-03-31StandaloneTotal number of issued shares (5-year summary)
Shares issued2,602,500at 2024-03-31vStandaloneTotal number of issued shares (5-year summary)
Shares issued2,602,500at 2023-03-31vStandaloneTotal number of issued shares (5-year summary)
Shares issued2,602,500at 2022-03-31vStandaloneTotal number of issued shares (5-year summary)
Employees282at 2026-03-31StandaloneNumber of employees
Employees274at 2025-03-31StandaloneNumber of employees
Employees265at 2024-03-31vStandaloneNumber of employees
Employees268at 2023-03-31vStandaloneNumber of employees
Employees268at 2022-03-31vStandaloneNumber 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 · 36
SegmentItemPeriodValue
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue2025-04-01 → 2026-03-31¥2.0bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue external2025-04-01 → 2026-03-31¥2.0bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentssegment profit2025-04-01 → 2026-03-31¥348m
Groundreportable segmentrevenue2025-04-01 → 2026-03-31¥1.0bn
Groundreportable segmentrevenue external2025-04-01 → 2026-03-31¥1.0bn
Groundreportable segmentsegment profit2025-04-01 → 2026-03-31¥465m
Portreportable segmentrevenue2025-04-01 → 2026-03-31¥8.8bn
Portreportable segmentrevenue external2025-04-01 → 2026-03-31¥8.8bn
Portreportable segmentsegment profit2025-04-01 → 2026-03-31¥2.2bn
Undergroundreportable segmentrevenue2025-04-01 → 2026-03-31¥3.1bn
Undergroundreportable segmentrevenue external2025-04-01 → 2026-03-31¥3.1bn
Undergroundreportable segmentsegment profit2025-04-01 → 2026-03-31¥937m
—segment totalrevenue2025-04-01 → 2026-03-31¥12.9bn
—segment totalrevenue external2025-04-01 → 2026-03-31¥12.9bn
—segment totalsegment profit2025-04-01 → 2026-03-31¥3.6bn
Total Of Reportable Segments And Otherssegment totalrevenue2025-04-01 → 2026-03-31¥14.9bn
Total Of Reportable Segments And Otherssegment totalrevenue external2025-04-01 → 2026-03-31¥14.9bn
Total Of Reportable Segments And Otherssegment totalsegment profit2025-04-01 → 2026-03-31¥3.9bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue2024-04-01 → 2025-03-31¥1.5bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue external2024-04-01 → 2025-03-31¥1.5bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentssegment profit2024-04-01 → 2025-03-31¥211m
Groundreportable segmentrevenue2024-04-01 → 2025-03-31¥1.1bn
Groundreportable segmentrevenue external2024-04-01 → 2025-03-31¥1.1bn
Groundreportable segmentsegment profit2024-04-01 → 2025-03-31¥460m
Portreportable segmentrevenue2024-04-01 → 2025-03-31¥9.3bn
Portreportable segmentrevenue external2024-04-01 → 2025-03-31¥9.3bn
Portreportable segmentsegment profit2024-04-01 → 2025-03-31¥2.3bn
Undergroundreportable segmentrevenue2024-04-01 → 2025-03-31¥2.9bn
Undergroundreportable segmentrevenue external2024-04-01 → 2025-03-31¥2.9bn
Undergroundreportable segmentsegment profit2024-04-01 → 2025-03-31¥766m
—segment totalrevenue2024-04-01 → 2025-03-31¥13.2bn
—segment totalrevenue external2024-04-01 → 2025-03-31¥13.2bn
—segment totalsegment profit2024-04-01 → 2025-03-31¥3.6bn
Total Of Reportable Segments And Otherssegment totalrevenue2024-04-01 → 2025-03-31¥14.7bn
Total Of Reportable Segments And Otherssegment totalrevenue external2024-04-01 → 2025-03-31¥14.7bn
Total Of Reportable Segments And Otherssegment totalsegment profit2024-04-01 → 2025-03-31¥3.8bn

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

All source rows · 1,256
ItemContextValueUnit
Statement of income (text)CurrentYearDurationText · Plus
Detailed schedule of cost of sales (text)CurrentYearDurationText · Plus
Detailed schedule of manufacturing cost (text)CurrentYearDurationText · Plus
Statement of changes in equity (text)CurrentYearDurationText · Plus
Statement of cash flows (text)CurrentYearDurationText · Plus
Notes significant accounting policies financial statements (text)CurrentYearDurationText · Plus
Notes new accounting standards not yet applied financial statements (text)CurrentYearDurationText · Plus
Notes changes in presentation financial statements (text)CurrentYearDurationText · Plus
Notes regarding amounts of notes and accounts receivable trade and contract assets (text)CurrentYearInstant_NonConsolidatedMemberText · Plus
Notes regarding presentation of inventories and provision for loss on construction contracts (text)CurrentYearInstant_NonConsolidatedMemberText · Plus
Notes regarding loss on construction contracts (text)CurrentYearDuration_NonConsolidatedMemberText · Plus
Breakdown of transfer to other account (text)CurrentYearDuration_NonConsolidatedMemberText · Plus
Research and development expenses included in general and administrative expenses and manufacturing cost for current period (text)CurrentYearDuration_NonConsolidatedMemberText · Plus
Notes regarding non operating income and non operating expenses incurred from transactions with affiliated entities (text)CurrentYearDuration_NonConsolidatedMemberText · Plus
Notes regarding issued shares and treasury shares (text)Prior1YearDuration_NonConsolidatedMemberText · Plus
Notes regarding dividend (text)Prior1YearDuration_NonConsolidatedMemberText · Plus
Notes regarding issued shares and treasury shares (text)CurrentYearDuration_NonConsolidatedMemberText · Plus
Notes regarding dividend (text)CurrentYearDuration_NonConsolidatedMemberText · Plus
Reconciliation of ending balance of cash and cash equivalents with account balances per balance sheet (text)CurrentYearDuration_NonConsolidatedMemberText · Plus
Notes leases financial statements (text)CurrentYearDurationText · Plus
Notes financial instruments financial statements (text)CurrentYearDurationText · Plus
Notes securities financial statements (text)CurrentYearDurationText · Plus
Notes derivatives financial statements (text)CurrentYearDurationText · Plus
Notes retirement benefits financial statements (text)CurrentYearDurationText · Plus
Notes tax effect accounting financial statements (text)CurrentYearDurationText · Plus
Notes asset retirement obligations financial statements (text)CurrentYearDurationText · Plus
Notes revenue recognition financial statements (text)CurrentYearDurationText · Plus
Notes segment information etc financial statements (text)CurrentYearDurationText · Plus
Description of reportable segments (text)CurrentYearDuration_NonConsolidatedMemberText · Plus
Explanation of measurements of sales profit loss asset liability and other items for each reportable segment (text)CurrentYearDuration_NonConsolidatedMemberText · Plus
Footnotes regarding segment information table (text)Prior1YearDuration_NonConsolidatedMemberText · Plus
Footnotes regarding segment information table (text)CurrentYearDuration_NonConsolidatedMemberText · Plus
Description of nature and amounts of differences between reportable segments total and financial statements (text)CurrentYearDuration_NonConsolidatedMemberText · Plus
Information for each product or service (text)Prior1YearDuration_NonConsolidatedMemberText · Plus
Revenues from external customers information for each region (text)Prior1YearDuration_NonConsolidatedMemberText · Plus
Property plant and equipment information for each region (text)Prior1YearDuration_NonConsolidatedMemberText · Plus
Information for each of main customers (text)Prior1YearDuration_NonConsolidatedMemberText · Plus
Information for each product or service (text)CurrentYearDuration_NonConsolidatedMemberText · Plus
Revenues from external customers information for each region (text)CurrentYearDuration_NonConsolidatedMemberText · Plus
Property plant and equipment information for each region (text)CurrentYearDuration_NonConsolidatedMemberText · Plus
Information for each of main customers (text)CurrentYearDuration_NonConsolidatedMemberText · Plus
Description of factors which led to recognition of gain on bargain purchase (text)CurrentYearDuration_NonConsolidatedMemberText · Plus
Notes related parties financial statements (text)CurrentYearDurationText · Plus
Notes per share information financial statements (text)CurrentYearDurationText · Plus
Annexed detailed schedule of securities (text)CurrentYearDurationText · Plus
Annexed detailed schedule of property plant and equipment etc (text)CurrentYearDurationText · Plus
Annexed detailed schedule of corporate bonds financial statements (text)CurrentYearDurationText · Plus
Annexed detailed schedule of borrowings financial statements (text)CurrentYearDurationText · Plus
Annexed detailed schedule of provisions (text)CurrentYearDurationText · Plus
Annexed detailed schedule of asset retirement obligations financial statements (text)CurrentYearDurationText · Plus

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 · 13 of 13 passed
balance sheet identitynon_consolidated 2025-03-31pass
balance sheet identitynon_consolidated 2026-03-31pass
dei present pass
period resolution pass
statement vs summary · net assetsnon_consolidated 2024-03-31pass
statement vs summary · net assetsnon_consolidated 2025-03-31pass
statement vs summary · net assetsnon_consolidated 2026-03-31pass
statement vs summary · operating cash flownon_consolidated 2024-04-01/2025-03-31pass
statement vs summary · operating cash flownon_consolidated 2025-04-01/2026-03-31pass
statement vs summary · revenuenon_consolidated 2024-04-01/2025-03-31pass
statement vs summary · revenuenon_consolidated 2025-04-01/2026-03-31pass
statement vs summary · total assetsnon_consolidated 2025-03-31pass
statement vs summary · total assetsnon_consolidated 2026-03-31pass