Half-year report · HY
1801.TEDINET S100X0M1
Period2025-04-01 → 2025-09-30
Filed2025-11-12
StandardJapan GAAP
ConsolidatedYes
Data checks14 of 14 passed
Key figures · 44
| Metric | Value | Period | Scope | Source row |
|---|---|---|---|---|
| Revenue | ¥907.9bn | 2025-04-01 → 2025-09-30 | Cons. | Net sales |
| Revenue | ¥2.15T | 2024-04-01 → 2025-03-31 | Cons. | Net sales (5-year summary) |
| Revenue | ¥952.3bn | 2024-04-01 → 2024-09-30 | Cons. | Net sales |
| Operating income | ¥81.3bn | 2025-04-01 → 2025-09-30 | Cons. | Operating income |
| Operating income | ¥40.5bn | 2024-04-01 → 2024-09-30 | Cons. | Operating income |
| Ordinary income | ¥83.9bn | 2025-04-01 → 2025-09-30 | Cons. | Ordinary income |
| Ordinary income | ¥134.5bn | 2024-04-01 → 2025-03-31 | Cons. | Ordinary income loss (5-year summary) |
| Ordinary income | ¥49.7bn | 2024-04-01 → 2024-09-30 | Cons. | Ordinary income |
| Profit before tax | ¥96.2bn | 2025-04-01 → 2025-09-30 | Cons. | Income before income taxes |
| Profit before tax | ¥66.2bn | 2024-04-01 → 2024-09-30 | Cons. | Income before income taxes |
| Net income (owners) | ¥63.6bn | 2025-04-01 → 2025-09-30 | Cons. | Profit loss attributable to owners of parent |
| Net income (owners) | ¥123.8bn | 2024-04-01 → 2025-03-31 | Cons. | Profit loss attributable to owners of parent (5-year summary) |
| Net income (owners) | ¥44.8bn | 2024-04-01 → 2024-09-30 | Cons. | Profit loss attributable to owners of parent |
| Net income | ¥65.8bn | 2025-04-01 → 2025-09-30 | Cons. | Profit loss |
| Net income | ¥46.8bn | 2024-04-01 → 2024-09-30 | Cons. | Profit loss |
| Total assets | ¥2.52T | at 2025-09-30 | Cons. | Assets |
| Total assets | ¥2.43T | at 2025-03-31 | Cons. | Assets |
| Total assets | ¥2.37T | at 2024-09-30 | Cons. | Total assets (5-year summary) |
| Total liabilities | ¥1.59T | at 2025-09-30 | Cons. | Liabilities |
| Total liabilities | ¥1.53T | at 2025-03-31 | Cons. | Liabilities |
| Net assets / equity | ¥925.4bn | at 2025-09-30 | Cons. | Net assets |
| Net assets / equity | ¥900.7bn | at 2025-03-31 | Cons. | Net assets |
| Net assets / equity | ¥948.7bn | at 2024-09-30 | Cons. | Net assets (5-year summary) |
| Cash and deposits | ¥252.6bn | at 2025-09-30 | Cons. | Cash and deposits |
| Cash and deposits | ¥240.7bn | at 2025-03-31 | Cons. | Cash and deposits |
| Cash & equivalents | ¥276.6bn | at 2025-09-30 | Cons. | Cash and cash equivalents |
| Cash & equivalents | ¥296.0bn | at 2025-03-31 | Cons. | Cash and cash equivalents |
| Cash & equivalents | ¥243.2bn | at 2024-09-30 | Cons. | Cash and cash equivalents |
| Cash & equivalents | ¥430.8bn | at 2024-03-31v | Cons. | Cash and cash equivalents |
| Operating cash flow | ¥69.4bn | 2025-04-01 → 2025-09-30 | Cons. | Net cash provided by used in operating activities |
| Operating cash flow | −¥13.8bn | 2024-04-01 → 2025-03-31 | Cons. | Net cash provided by used in operating activities (5-year summary) |
| Operating cash flow | −¥108.3bn | 2024-04-01 → 2024-09-30 | Cons. | Net cash provided by used in operating activities |
| Investing cash flow | −¥104.2bn | 2025-04-01 → 2025-09-30 | Cons. | Net cash provided by used in investment activities |
| Investing cash flow | ¥10.5bn | 2024-04-01 → 2025-03-31 | Cons. | Net cash provided by used in investing activities (5-year summary) |
| Investing cash flow | −¥35.7bn | 2024-04-01 → 2024-09-30 | Cons. | Net cash provided by used in investment activities |
| Financing cash flow | ¥13.1bn | 2025-04-01 → 2025-09-30 | Cons. | Net cash provided by used in financing activities |
| Financing cash flow | −¥133.8bn | 2024-04-01 → 2025-03-31 | Cons. | Net cash provided by used in financing activities (5-year summary) |
| Financing cash flow | −¥46.0bn | 2024-04-01 → 2024-09-30 | Cons. | Net cash provided by used in financing activities |
| EPS (basic) | ¥378.3 | 2025-04-01 → 2025-09-30 | Cons. | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥682.78 | 2024-04-01 → 2025-03-31 | Cons. | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥243.99 | 2024-04-01 → 2024-09-30 | Cons. | Basic earnings loss per share (5-year summary) |
| Equity ratio | 34.2% | at 2025-09-30 | Cons. | Equity to asset ratio (5-year summary) |
| Equity ratio | 35.7% | at 2025-03-31 | Cons. | Equity to asset ratio (5-year summary) |
| Equity ratio | 38.7% | at 2024-09-30 | Cons. | 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 · 54
| Segment | Item | Period | Value |
|---|---|---|---|
| Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segments | revenue | 2025-04-01 → 2025-09-30 | ¥7.6bn |
| Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segments | revenue external | 2025-04-01 → 2025-09-30 | ¥5.5bn |
| Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segments | revenue intersegment | 2025-04-01 → 2025-09-30 | ¥2.1bn |
| Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segments | segment profit | 2025-04-01 → 2025-09-30 | ¥1.0bn |
| Reconciling Itemsreconciling | revenue | 2025-04-01 → 2025-09-30 | −¥26.0bn |
| Reconciling Itemsreconciling | revenue intersegment | 2025-04-01 → 2025-09-30 | −¥26.0bn |
| Reconciling Itemsreconciling | segment profit | 2025-04-01 → 2025-09-30 | −¥935m |
| Constructionreportable segment | revenue | 2025-04-01 → 2025-09-30 | ¥558.6bn |
| Constructionreportable segment | revenue external | 2025-04-01 → 2025-09-30 | ¥546.9bn |
| Constructionreportable segment | revenue intersegment | 2025-04-01 → 2025-09-30 | ¥11.7bn |
| Constructionreportable segment | segment profit | 2025-04-01 → 2025-09-30 | ¥28.8bn |
| Developmentreportable segment | revenue | 2025-04-01 → 2025-09-30 | ¥76.7bn |
| Developmentreportable segment | revenue external | 2025-04-01 → 2025-09-30 | ¥73.7bn |
| Developmentreportable segment | revenue intersegment | 2025-04-01 → 2025-09-30 | ¥3.0bn |
| Developmentreportable segment | segment profit | 2025-04-01 → 2025-09-30 | ¥12.6bn |
| Engineeringreportable segment | revenue | 2025-04-01 → 2025-09-30 | ¥291.1bn |
| Engineeringreportable segment | revenue external | 2025-04-01 → 2025-09-30 | ¥281.8bn |
| Engineeringreportable segment | revenue intersegment | 2025-04-01 → 2025-09-30 | ¥9.3bn |
| Engineeringreportable segment | segment profit | 2025-04-01 → 2025-09-30 | ¥39.9bn |
| —segment total | revenue | 2025-04-01 → 2025-09-30 | ¥926.3bn |
| —segment total | revenue external | 2025-04-01 → 2025-09-30 | ¥902.4bn |
| —segment total | revenue intersegment | 2025-04-01 → 2025-09-30 | ¥24.0bn |
| —segment total | segment profit | 2025-04-01 → 2025-09-30 | ¥81.2bn |
| Total Of Reportable Segments And Otherssegment total | revenue | 2025-04-01 → 2025-09-30 | ¥933.9bn |
| Total Of Reportable Segments And Otherssegment total | revenue external | 2025-04-01 → 2025-09-30 | ¥907.9bn |
| Total Of Reportable Segments And Otherssegment total | revenue intersegment | 2025-04-01 → 2025-09-30 | ¥26.0bn |
| Total Of Reportable Segments And Otherssegment total | segment profit | 2025-04-01 → 2025-09-30 | ¥82.2bn |
| Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segments | revenue | 2024-04-01 → 2024-09-30 | ¥6.5bn |
| Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segments | revenue external | 2024-04-01 → 2024-09-30 | ¥4.4bn |
| Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segments | revenue intersegment | 2024-04-01 → 2024-09-30 | ¥2.0bn |
| Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segments | segment profit | 2024-04-01 → 2024-09-30 | ¥966m |
| Reconciling Itemsreconciling | revenue | 2024-04-01 → 2024-09-30 | −¥29.9bn |
| Reconciling Itemsreconciling | revenue intersegment | 2024-04-01 → 2024-09-30 | −¥29.9bn |
| Reconciling Itemsreconciling | segment profit | 2024-04-01 → 2024-09-30 | −¥929m |
| Constructionreportable segment | revenue | 2024-04-01 → 2024-09-30 | ¥620.0bn |
| Constructionreportable segment | revenue external | 2024-04-01 → 2024-09-30 | ¥608.8bn |
| Constructionreportable segment | revenue intersegment | 2024-04-01 → 2024-09-30 | ¥11.2bn |
| Constructionreportable segment | segment profit | 2024-04-01 → 2024-09-30 | ¥1.7bn |
| Developmentreportable segment | revenue | 2024-04-01 → 2024-09-30 | ¥78.7bn |
| Developmentreportable segment | revenue external | 2024-04-01 → 2024-09-30 | ¥76.3bn |
| Developmentreportable segment | revenue intersegment | 2024-04-01 → 2024-09-30 | ¥2.5bn |
| Developmentreportable segment | segment profit | 2024-04-01 → 2024-09-30 | ¥11.8bn |
| Engineeringreportable segment | revenue | 2024-04-01 → 2024-09-30 | ¥276.9bn |
| Engineeringreportable segment | revenue external | 2024-04-01 → 2024-09-30 | ¥262.8bn |
| Engineeringreportable segment | revenue intersegment | 2024-04-01 → 2024-09-30 | ¥14.2bn |
| Engineeringreportable segment | segment profit | 2024-04-01 → 2024-09-30 | ¥27.0bn |
| —segment total | revenue | 2024-04-01 → 2024-09-30 | ¥975.7bn |
| —segment total | revenue external | 2024-04-01 → 2024-09-30 | ¥947.9bn |
| —segment total | revenue intersegment | 2024-04-01 → 2024-09-30 | ¥27.8bn |
| —segment total | segment profit | 2024-04-01 → 2024-09-30 | ¥40.5bn |
| Total Of Reportable Segments And Otherssegment total | revenue | 2024-04-01 → 2024-09-30 | ¥982.2bn |
| Total Of Reportable Segments And Otherssegment total | revenue external | 2024-04-01 → 2024-09-30 | ¥952.3bn |
| Total Of Reportable Segments And Otherssegment total | revenue intersegment | 2024-04-01 → 2024-09-30 | ¥29.9bn |
| Total Of Reportable Segments And Otherssegment total | segment profit | 2024-04-01 → 2024-09-30 | ¥41.5bn |
Segment names come from EDINET member IDs; not yet mapped to a common taxonomy.
All source rows · 582
| Item | Context | Value | Unit |
|---|---|---|---|
| Net sales | InterimDuration_jpcrp040300-ssr_E00052-000EngineeringReportableSegmentsMember | 291056000000 | JPY |
| Net sales | InterimDuration_jpcrp040300-ssr_E00052-000ConstructionReportableSegmentsMember | 558611000000 | JPY |
| Net sales | InterimDuration_jpcrp040300-ssr_E00052-000DevelopmentReportableSegmentsMember | 76670000000 | JPY |
| Net sales | InterimDuration_ReportableSegmentsMember | 926338000000 | JPY |
| Net sales | InterimDuration_OperatingSegmentsNotIncludedInReportableSegmentsAndOtherRevenueGeneratingBusinessActivitiesMember | 7568000000 | JPY |
| Net sales | InterimDuration_TotalOfReportableSegmentsAndOthersMember | 933906000000 | JPY |
| Net sales | InterimDuration_ReconcilingItemsMember | -26033000000 | JPY |
| Net sales | InterimDuration | 907872000000 | JPY |
| Operating income | InterimDuration_jpcrp040300-ssr_E00052-000EngineeringReportableSegmentsMember | 39857000000 | JPY |
| Operating income | InterimDuration_jpcrp040300-ssr_E00052-000ConstructionReportableSegmentsMember | 28770000000 | JPY |
| Operating income | InterimDuration_jpcrp040300-ssr_E00052-000DevelopmentReportableSegmentsMember | 12586000000 | JPY |
| Operating income | InterimDuration_ReportableSegmentsMember | 81214000000 | JPY |
| Operating income | InterimDuration_OperatingSegmentsNotIncludedInReportableSegmentsAndOtherRevenueGeneratingBusinessActivitiesMember | 1007000000 | JPY |
| Operating income | InterimDuration_TotalOfReportableSegmentsAndOthersMember | 82221000000 | JPY |
| Operating income | InterimDuration_ReconcilingItemsMember | -935000000 | JPY |
| Operating income | InterimDuration | 81285000000 | JPY |
| Document title cover page | FilingDateInstant | Original text (Japanese)半期報告書 | |
| Clause of stipulation cover page | FilingDateInstant | Original text (Japanese)金融商品取引法第24条の５第１項の表の第１号 | |
| Place of filing cover page | FilingDateInstant | Original text (Japanese)関東財務局長 | |
| Filing date cover page | FilingDateInstant | 2025-11-12 | |
| Semi annual accounting period cover page | FilingDateInstant | Original text (Japanese)第166期中(自 2025年４月１日 至 2025年９月30日) | |
| Company name cover page | FilingDateInstant | Original text (Japanese)大成建設株式会社 | |
| Company name in english cover page | FilingDateInstant | TAISEI CORPORATION | |
| Title and name of representative cover page | FilingDateInstant | Original text (Japanese)代表取締役社長 相 川 善 郎 | |
| Address of registered headquarter cover page | FilingDateInstant | Original text (Japanese)東京都新宿区西新宿一丁目25番１号 | |
| Telephone number address of registered headquarter cover page | FilingDateInstant | Original text (Japanese)03(3348)1111(大代表) | |
| Name of contact person address of registered headquarter cover page | FilingDateInstant | Original text (Japanese)経理部長 中 野 雄 一株式室長 小 池 友 明 | |
| Nearest place of contact cover page | FilingDateInstant | Original text (Japanese)東京都新宿区西新宿一丁目25番１号 | |
| Telephone number nearest place of contact cover page | FilingDateInstant | Original text (Japanese)03(3348)1111(大代表) | |
| Name of contact person nearest place of contact cover page | FilingDateInstant | Original text (Japanese)経理部長 中 野 雄 一株式室長 小 池 友 明 | |
| Place for public inspection cover page (text) | FilingDateInstant | Text · Plus | |
| Edinet code | FilingDateInstant | E00052 | |
| Fund code | FilingDateInstant | － | |
| Security code | FilingDateInstant | 18010 | |
| Filer name in japanese | FilingDateInstant | Original text (Japanese)大成建設株式会社 | |
| Filer name in english | FilingDateInstant | TAISEI CORPORATION | |
| Fund name in japanese | FilingDateInstant | － | |
| Fund name in english | FilingDateInstant | － | |
| Cabinet office ordinance | FilingDateInstant | Original text (Japanese)企業内容等の開示に関する内閣府令 | |
| Document type | FilingDateInstant | Original text (Japanese)第四号の三様式 | |
| Accounting standards | FilingDateInstant | Japan GAAP | |
| Whether consolidated financial statements are prepared | FilingDateInstant | true | |
| Industry code when consolidated financial statements are prepared in accordance with industry specific regulations | FilingDateInstant | cns | |
| Industry code when financial statements are prepared in accordance with industry specific regulations | FilingDateInstant | － | |
| Current fiscal year start date | FilingDateInstant | 2025-04-01 | |
| Current period end date | FilingDateInstant | 2025-09-30 | |
| Type of current period | FilingDateInstant | HY | |
| Current fiscal year end date | FilingDateInstant | 2026-03-31 | |
| Previous fiscal year start date | FilingDateInstant | 2024-04-01 | |
| Comparative period end date | FilingDateInstant | 2024-09-30 |
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 identity | pass rounding |
| balance sheet identity | pass |
| dei present | pass |
| period resolution | pass |
| statement vs summary · net assets | pass |
| statement vs summary · net assets | pass |
| statement vs summary · net income attributable to parent | pass |
| statement vs summary · net income attributable to parent | pass |
| statement vs summary · operating cash flow | pass |
| statement vs summary · operating cash flow | pass |
| statement vs summary · revenue | pass |
| statement vs summary · revenue | pass |
| statement vs summary · total assets | pass |
| statement vs summary · total assets | pass |