Annual report

Period2023-04-01 → 2024-03-31
Filed2024-06-27
StandardJapan GAAP
ConsolidatedNo
Data checks13 of 13 passed
Key figures · 88
MetricValuePeriodScopeSource row
Revenue¥83.1bn2023-04-01 → 2024-03-31StandaloneNet sales
Revenue¥94.5bn2022-04-01 → 2023-03-31StandaloneNet sales
Revenue¥71.3bn2021-04-01 → 2022-03-31dStandaloneNet sales (5-year summary)
Revenue¥73.4bn2020-04-01 → 2021-03-31dStandaloneNet sales (5-year summary)
Revenue¥79.1bn2019-04-01 → 2020-03-31dStandaloneNet sales (5-year summary)
Operating income¥1.7bn2023-04-01 → 2024-03-31StandaloneOperating income
Operating income¥580m2022-04-01 → 2023-03-31StandaloneOperating income
Ordinary income¥1.9bn2023-04-01 → 2024-03-31StandaloneOrdinary income
Ordinary income¥849m2022-04-01 → 2023-03-31StandaloneOrdinary income
Ordinary income¥2.5bn2021-04-01 → 2022-03-31dStandaloneOrdinary income loss (5-year summary)
Ordinary income¥4.0bn2020-04-01 → 2021-03-31dStandaloneOrdinary income loss (5-year summary)
Ordinary income¥3.3bn2019-04-01 → 2020-03-31dStandaloneOrdinary income loss (5-year summary)
Profit before tax¥2.0bn2023-04-01 → 2024-03-31StandaloneIncome before income taxes
Profit before tax¥887m2022-04-01 → 2023-03-31StandaloneIncome before income taxes
Net income¥1.0bn2023-04-01 → 2024-03-31StandaloneProfit loss
Net income¥516m2022-04-01 → 2023-03-31StandaloneProfit loss
Net income¥1.8bn2021-04-01 → 2022-03-31dStandaloneNet income loss (5-year summary)
Net income¥2.6bn2020-04-01 → 2021-03-31dStandaloneNet income loss (5-year summary)
Net income¥2.3bn2019-04-01 → 2020-03-31dStandaloneNet income loss (5-year summary)
Total assets¥99.4bnat 2024-03-31StandaloneAssets
Total assets¥103.1bnat 2023-03-31StandaloneAssets
Total assets¥90.9bnat 2022-03-31dStandaloneTotal assets (5-year summary)
Total assets¥92.5bnat 2021-03-31dStandaloneTotal assets (5-year summary)
Total assets¥92.5bnat 2020-03-31dStandaloneTotal assets (5-year summary)
Total liabilities¥32.1bnat 2024-03-31StandaloneLiabilities
Total liabilities¥37.5bnat 2023-03-31StandaloneLiabilities
Net assets / equity¥67.3bnat 2024-03-31StandaloneNet assets
Net assets / equity¥65.6bnat 2023-03-31StandaloneNet assets
Net assets / equity¥66.9bnat 2022-03-31dStandaloneNet assets
Net assets / equity¥67.2bnat 2021-03-31dStandaloneNet assets (5-year summary)
Net assets / equity¥64.9bnat 2020-03-31dStandaloneNet assets (5-year summary)
Cash and deposits¥18.6bnat 2024-03-31StandaloneCash and deposits
Cash and deposits¥10.6bnat 2023-03-31StandaloneCash and deposits
Cash & equivalents¥18.6bnat 2024-03-31StandaloneCash and cash equivalents
Cash & equivalents¥11.6bnat 2023-03-31StandaloneCash and cash equivalents
Cash & equivalents¥20.8bnat 2022-03-31dStandaloneCash and cash equivalents
Cash & equivalents¥25.2bnat 2021-03-31dStandaloneCash and cash equivalents (5-year summary)
Cash & equivalents¥14.8bnat 2020-03-31dStandaloneCash and cash equivalents (5-year summary)
Operating cash flow¥12.3bn2023-04-01 → 2024-03-31StandaloneNet cash provided by used in operating activities
Operating cash flow−¥21.1bn2022-04-01 → 2023-03-31StandaloneNet cash provided by used in operating activities
Operating cash flow−¥6.2bn2021-04-01 → 2022-03-31dStandaloneNet cash provided by used in operating activities (5-year summary)
Operating cash flow¥17.7bn2020-04-01 → 2021-03-31dStandaloneNet cash provided by used in operating activities (5-year summary)
Operating cash flow−¥353m2019-04-01 → 2020-03-31dStandaloneNet cash provided by used in operating activities (5-year summary)
Investing cash flow−¥1.6bn2023-04-01 → 2024-03-31StandaloneNet cash provided by used in investment activities
Investing cash flow¥2.9bn2022-04-01 → 2023-03-31StandaloneNet cash provided by used in investment activities
Investing cash flow¥3.6bn2021-04-01 → 2022-03-31dStandaloneNet cash provided by used in investing activities (5-year summary)
Investing cash flow−¥6.5bn2020-04-01 → 2021-03-31dStandaloneNet cash provided by used in investing activities (5-year summary)
Investing cash flow¥642m2019-04-01 → 2020-03-31dStandaloneNet cash provided by used in investing activities (5-year summary)
Financing cash flow−¥3.7bn2023-04-01 → 2024-03-31StandaloneNet cash provided by used in financing activities
Financing cash flow¥9.0bn2022-04-01 → 2023-03-31StandaloneNet cash provided by used in financing activities
Financing cash flow−¥1.7bn2021-04-01 → 2022-03-31dStandaloneNet cash provided by used in financing activities (5-year summary)
Financing cash flow−¥766m2020-04-01 → 2021-03-31dStandaloneNet cash provided by used in financing activities (5-year summary)
Financing cash flow−¥614m2019-04-01 → 2020-03-31dStandaloneNet cash provided by used in financing activities (5-year summary)
EPS (basic)¥71.492023-04-01 → 2024-03-31StandaloneBasic earnings loss per share (5-year summary)
EPS (basic)¥35.092022-04-01 → 2023-03-31StandaloneBasic earnings loss per share (5-year summary)
EPS (basic)¥352.312021-04-01 → 2022-03-31dStandaloneBasic earnings loss per share (5-year summary)
EPS (basic)¥507.082020-04-01 → 2021-03-31dStandaloneBasic earnings loss per share (5-year summary)
EPS (basic)¥452.482019-04-01 → 2020-03-31dStandaloneBasic earnings loss per share (5-year summary)
Dividend per share¥652023-04-01 → 2024-03-31StandaloneDividend paid per share (5-year summary)
Dividend per share¥1702022-04-01 → 2023-03-31StandaloneDividend paid per share (5-year summary)
Dividend per share¥1702021-04-01 → 2022-03-31dStandaloneDividend paid per share (5-year summary)
Dividend per share¥1702020-04-01 → 2021-03-31dStandaloneDividend paid per share (5-year summary)
Dividend per share¥1502019-04-01 → 2020-03-31dStandaloneDividend paid per share (5-year summary)
Net assets per share¥4,705.27at 2024-03-31StandaloneNet assets per share (5-year summary)
Net assets per share¥4,590.67at 2023-03-31StandaloneNet assets per share (5-year summary)
Net assets per share¥13,502.81at 2022-03-31dStandaloneNet assets per share (5-year summary)
Net assets per share¥13,148.78at 2021-03-31dStandaloneNet assets per share (5-year summary)
Net assets per share¥12,705.53at 2020-03-31dStandaloneNet assets per share (5-year summary)
Equity ratio67.7%at 2024-03-31StandaloneEquity to asset ratio (5-year summary)
Equity ratio63.6%at 2023-03-31StandaloneEquity to asset ratio (5-year summary)
Equity ratio73.6%at 2022-03-31dStandaloneEquity to asset ratio (5-year summary)
Equity ratio72.6%at 2021-03-31dStandaloneEquity to asset ratio (5-year summary)
Equity ratio70.1%at 2020-03-31dStandaloneEquity to asset ratio (5-year summary)
ROE1.5%2023-04-01 → 2024-03-31StandaloneRate of return on equity (5-year summary)
ROE0.8%2022-04-01 → 2023-03-31StandaloneRate of return on equity (5-year summary)
ROE2.7%2021-04-01 → 2022-03-31dStandaloneRate of return on equity (5-year summary)
ROE3.9%2020-04-01 → 2021-03-31dStandaloneRate of return on equity (5-year summary)
ROE3.6%2019-04-01 → 2020-03-31dStandaloneRate of return on equity (5-year summary)
Shares issued15,397,000at 2024-03-31StandaloneTotal number of issued shares (5-year summary)
Shares issued5,132,000at 2023-03-31StandaloneTotal number of issued shares (5-year summary)
Shares issued5,132,000at 2022-03-31dStandaloneTotal number of issued shares (5-year summary)
Shares issued5,132,000at 2021-03-31dStandaloneTotal number of issued shares (5-year summary)
Shares issued5,132,000at 2020-03-31dStandaloneTotal number of issued shares (5-year summary)
Employees787at 2024-03-31StandaloneNumber of employees
Employees810at 2023-03-31StandaloneNumber of employees
Employees821at 2022-03-31dStandaloneNumber of employees
Employees808at 2021-03-31dStandaloneNumber of employees
Employees814at 2020-03-31dStandaloneNumber 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 · 50
SegmentItemPeriodValue
Constructionreportable segmentcapex2023-04-01 → 2024-03-31¥11m
Constructionreportable segmentdepreciation2023-04-01 → 2024-03-31¥7m
Constructionreportable segmentemployeesat 2024-03-31288 pure
Constructionreportable segmentrevenue2023-04-01 → 2024-03-31¥46.8bn
Constructionreportable segmentrevenue external2023-04-01 → 2024-03-31¥46.8bn
Constructionreportable segmentsegment assetsat 2024-03-31¥22.5bn
Constructionreportable segmentsegment profit2023-04-01 → 2024-03-31¥4.5bn
Public Worksreportable segmentcapex2023-04-01 → 2024-03-31¥250m
Public Worksreportable segmentdepreciation2023-04-01 → 2024-03-31¥96m
Public Worksreportable segmentemployeesat 2024-03-31301 pure
Public Worksreportable segmentrevenue2023-04-01 → 2024-03-31¥36.3bn
Public Worksreportable segmentrevenue external2023-04-01 → 2024-03-31¥36.3bn
Public Worksreportable segmentsegment assetsat 2024-03-31¥35.0bn
Public Worksreportable segmentsegment profit2023-04-01 → 2024-03-31¥3.3bn
—segment totalcapex2023-04-01 → 2024-03-31¥261m
—segment totaldepreciation2023-04-01 → 2024-03-31¥103m
—segment totalrevenue2023-04-01 → 2024-03-31¥83.1bn
—segment totalrevenue external2023-04-01 → 2024-03-31¥83.1bn
—segment totalsegment assetsat 2024-03-31¥57.5bn
—segment totalsegment profit2023-04-01 → 2024-03-31¥7.8bn
Total Of Reportable Segments And Otherssegment totalcapex2023-04-01 → 2024-03-31¥261m
Total Of Reportable Segments And Otherssegment totaldepreciation2023-04-01 → 2024-03-31¥103m
Total Of Reportable Segments And Otherssegment totalrevenue2023-04-01 → 2024-03-31¥83.1bn
Total Of Reportable Segments And Otherssegment totalrevenue external2023-04-01 → 2024-03-31¥83.1bn
Total Of Reportable Segments And Otherssegment totalsegment assetsat 2024-03-31¥57.5bn
Total Of Reportable Segments And Otherssegment totalsegment profit2023-04-01 → 2024-03-31¥7.8bn
Constructionreportable segmentcapex2022-04-01 → 2023-03-31¥8m
Constructionreportable segmentdepreciation2022-04-01 → 2023-03-31¥7m
Constructionreportable segmentrevenue2022-04-01 → 2023-03-31¥57.9bn
Constructionreportable segmentrevenue external2022-04-01 → 2023-03-31¥57.9bn
Constructionreportable segmentsegment assetsat 2023-03-31¥40.6bn
Constructionreportable segmentsegment profit2022-04-01 → 2023-03-31¥1.8bn
Public Worksreportable segmentcapex2022-04-01 → 2023-03-31¥16m
Public Worksreportable segmentdepreciation2022-04-01 → 2023-03-31¥73m
Public Worksreportable segmentrevenue2022-04-01 → 2023-03-31¥36.6bn
Public Worksreportable segmentrevenue external2022-04-01 → 2023-03-31¥36.6bn
Public Worksreportable segmentsegment assetsat 2023-03-31¥30.7bn
Public Worksreportable segmentsegment profit2022-04-01 → 2023-03-31¥3.3bn
—segment totalcapex2022-04-01 → 2023-03-31¥25m
—segment totaldepreciation2022-04-01 → 2023-03-31¥80m
—segment totalrevenue2022-04-01 → 2023-03-31¥94.5bn
—segment totalrevenue external2022-04-01 → 2023-03-31¥94.5bn
—segment totalsegment assetsat 2023-03-31¥71.3bn
—segment totalsegment profit2022-04-01 → 2023-03-31¥5.2bn
Total Of Reportable Segments And Otherssegment totalcapex2022-04-01 → 2023-03-31¥25m
Total Of Reportable Segments And Otherssegment totaldepreciation2022-04-01 → 2023-03-31¥80m
Total Of Reportable Segments And Otherssegment totalrevenue2022-04-01 → 2023-03-31¥94.5bn
Total Of Reportable Segments And Otherssegment totalrevenue external2022-04-01 → 2023-03-31¥94.5bn
Total Of Reportable Segments And Otherssegment totalsegment assetsat 2023-03-31¥71.3bn
Total Of Reportable Segments And Otherssegment totalsegment profit2022-04-01 → 2023-03-31¥5.2bn

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

All source rows · 1,326
ItemContextValueUnit
Address major shareholdersCurrentYearInstant_No10MajorShareholdersMember
Original text (Japanese)岡山市中区
Issued shares voting rights (text)FilingDateInstantText · Plus
Description issued shares voting rightsCurrentYearInstant_SharesWithNoVotingRightsMember-
Description issued shares voting rightsCurrentYearInstant_SharesWithRestrictedVotingRightsTreasurySharesEtcMember-
Description issued shares voting rightsCurrentYearInstant_SharesWithRestrictedVotingRightsOtherMember-
Description issued shares voting rightsCurrentYearInstant_OrdinarySharesTreasurySharesSharesWithFullVotingRightsTreasurySharesEtcMember-
Description issued shares voting rightsCurrentYearInstant_OrdinarySharesSharesWithFullVotingRightsOtherMember-
Description issued shares voting rightsCurrentYearInstant_OrdinarySharesSharesLessThanOneUnitMember
Original text (Japanese)1単元(100株)未満の株式
Treasury shares etc (text)FilingDateInstantText · Plus
Name of shareholder treasury shares etcCurrentYearInstant_Row1Member
Original text (Japanese)株式会社大本組
Address of shareholder treasury shares etcCurrentYearInstant_Row1Member
Original text (Japanese)岡山市北区内山下1―1―13
Share ownership plans for directors and other officers and employees (text)FilingDateInstantText · Plus
Classes of shares etc (text)FilingDateInstantText · Plus
Acquisitions by resolution of shareholders meeting (text)FilingDateInstantText · Plus
Acquisitions by resolution of board of directors meeting (text)FilingDateInstantText · Plus
Acquisitions not based on resolution of shareholders meeting or board of directors meeting (text)FilingDateInstantText · Plus
Disposals or holding of acquired treasury shares (text)FilingDateInstantText · Plus
Dividend policy (text)FilingDateInstantText · Plus
Date of resolution dividends of surplusFilingDateInstant_Row1Member2024-06-26
Resolution dividends of surplusFilingDateInstant_Row1Member
Original text (Japanese)定時株主総会決議
Overview of corporate governance (text)FilingDateInstantText · Plus
Corporate governance company with corporate auditors (text)FilingDateInstantText · Plus
Information about officers (text)FilingDateInstantText · Plus
Official title or position information about directors and corporate auditorsFilingDateInstant_jpcrp030000-asr_E00255-000MiyakeKeiichiMember
Original text (Japanese)代表取締役社長
Name information about directors and corporate auditorsFilingDateInstant_jpcrp030000-asr_E00255-000MiyakeKeiichiMember
Original text (Japanese)三 宅 啓 一
Date of birth information about directors and corporate auditorsFilingDateInstant_jpcrp030000-asr_E00255-000MiyakeKeiichiMember1968-01-20
Career summary information about directors and corporate auditors (text)FilingDateInstant_jpcrp030000-asr_E00255-000MiyakeKeiichiMemberText · Plus
Term of office information about directors and corporate auditorsFilingDateInstant_jpcrp030000-asr_E00255-000MiyakeKeiichiMember
Original text (Japanese)(注)3
Official title or position information about directors and corporate auditorsFilingDateInstant_jpcrp030000-asr_E00255-000OhfujiTsuyoshiMember
Original text (Japanese)取締役相談役
Name information about directors and corporate auditorsFilingDateInstant_jpcrp030000-asr_E00255-000OhfujiTsuyoshiMember
Original text (Japanese)大 藤   強
Date of birth information about directors and corporate auditorsFilingDateInstant_jpcrp030000-asr_E00255-000OhfujiTsuyoshiMember1935-02-04
Career summary information about directors and corporate auditors (text)FilingDateInstant_jpcrp030000-asr_E00255-000OhfujiTsuyoshiMemberText · Plus
Term of office information about directors and corporate auditorsFilingDateInstant_jpcrp030000-asr_E00255-000OhfujiTsuyoshiMember
Original text (Japanese)(注)3
Official title or position information about directors and corporate auditorsFilingDateInstant_jpcrp030000-asr_E00255-000AokiKazuyaMember
Original text (Japanese)取締役 建築本部長
Name information about directors and corporate auditorsFilingDateInstant_jpcrp030000-asr_E00255-000AokiKazuyaMember
Original text (Japanese)青 木 一 也
Date of birth information about directors and corporate auditorsFilingDateInstant_jpcrp030000-asr_E00255-000AokiKazuyaMember1959-08-15
Career summary information about directors and corporate auditors (text)FilingDateInstant_jpcrp030000-asr_E00255-000AokiKazuyaMemberText · Plus
Term of office information about directors and corporate auditorsFilingDateInstant_jpcrp030000-asr_E00255-000AokiKazuyaMember
Original text (Japanese)(注)3
Official title or position information about directors and corporate auditorsFilingDateInstant_jpcrp030000-asr_E00255-000TomitsukaTeruhikoMember
Original text (Japanese)取締役 管理本部長 兼コンプライアンス担当
Name information about directors and corporate auditorsFilingDateInstant_jpcrp030000-asr_E00255-000TomitsukaTeruhikoMember
Original text (Japanese)富 塚 照 彦
Date of birth information about directors and corporate auditorsFilingDateInstant_jpcrp030000-asr_E00255-000TomitsukaTeruhikoMember1956-07-11
Career summary information about directors and corporate auditors (text)FilingDateInstant_jpcrp030000-asr_E00255-000TomitsukaTeruhikoMemberText · Plus
Term of office information about directors and corporate auditorsFilingDateInstant_jpcrp030000-asr_E00255-000TomitsukaTeruhikoMember
Original text (Japanese)(注)3
Official title or position information about directors and corporate auditorsFilingDateInstant_jpcrp030000-asr_E00255-000FukutakeEiichiMember
Original text (Japanese)取締役 土木本部長
Name information about directors and corporate auditorsFilingDateInstant_jpcrp030000-asr_E00255-000FukutakeEiichiMember
Original text (Japanese)福 武 栄 一
Date of birth information about directors and corporate auditorsFilingDateInstant_jpcrp030000-asr_E00255-000FukutakeEiichiMember1962-01-26
Career summary information about directors and corporate auditors (text)FilingDateInstant_jpcrp030000-asr_E00255-000FukutakeEiichiMemberText · Plus
Term of office information about directors and corporate auditorsFilingDateInstant_jpcrp030000-asr_E00255-000FukutakeEiichiMember
Original text (Japanese)(注)3
Official title or position information about directors and corporate auditorsFilingDateInstant_jpcrp030000-asr_E00255-000IgarashiHiroshiMember
Original text (Japanese)取締役 営業本部長
Name information about directors and corporate auditorsFilingDateInstant_jpcrp030000-asr_E00255-000IgarashiHiroshiMember
Original text (Japanese)五 十 嵐 裕

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 2023-03-31pass
balance sheet identitynon_consolidated 2024-03-31pass
dei present pass
period resolution pass
statement vs summary · net assetsnon_consolidated 2022-03-31pass
statement vs summary · net assetsnon_consolidated 2023-03-31pass
statement vs summary · net assetsnon_consolidated 2024-03-31pass
statement vs summary · operating cash flownon_consolidated 2022-04-01/2023-03-31pass
statement vs summary · operating cash flownon_consolidated 2023-04-01/2024-03-31pass
statement vs summary · revenuenon_consolidated 2022-04-01/2023-03-31pass
statement vs summary · revenuenon_consolidated 2023-04-01/2024-03-31pass
statement vs summary · total assetsnon_consolidated 2023-03-31pass
statement vs summary · total assetsnon_consolidated 2024-03-31pass