Half-year report · HY

Period2025-04-01 → 2025-09-30
Filed2025-11-13
StandardJapan GAAP
ConsolidatedYes
Data checks11 of 11 passed
Key figures · 29
MetricValuePeriodScopeSource row
Revenue¥2.0bn2025-04-01 → 2025-09-30Cons.Net sales
Revenue¥4.1bn2024-04-01 → 2025-03-31Cons.Net sales (5-year summary)
Operating income−¥164m2025-04-01 → 2025-09-30Cons.Operating income
Ordinary income−¥160m2025-04-01 → 2025-09-30Cons.Ordinary income
Ordinary income−¥361m2024-04-01 → 2025-03-31Cons.Ordinary income loss (5-year summary)
Profit before tax−¥160m2025-04-01 → 2025-09-30Cons.Income before income taxes
Net income (owners)−¥162m2025-04-01 → 2025-09-30Cons.Profit loss attributable to owners of parent
Net income (owners)−¥1.4bn2024-04-01 → 2025-03-31Cons.Profit loss attributable to owners of parent (5-year summary)
Net income−¥162m2025-04-01 → 2025-09-30Cons.Profit loss
Total assets¥4.6bnat 2025-09-30Cons.Assets
Total assets¥5.2bnat 2025-03-31Cons.Assets
Total liabilities¥2.6bnat 2025-09-30Cons.Liabilities
Total liabilities¥3.1bnat 2025-03-31Cons.Liabilities
Net assets / equity¥2.0bnat 2025-09-30Cons.Net assets
Net assets / equity¥2.2bnat 2025-03-31Cons.Net assets
Cash and deposits¥704mat 2025-09-30Cons.Cash and deposits
Cash and deposits¥1.2bnat 2025-03-31Cons.Cash and deposits
Cash & equivalents¥701mat 2025-09-30Cons.Cash and cash equivalents
Cash & equivalents¥1.2bnat 2025-03-31Cons.Cash and cash equivalents
Operating cash flow−¥378m2025-04-01 → 2025-09-30Cons.Net cash provided by used in operating activities
Operating cash flow¥278m2024-04-01 → 2025-03-31Cons.Net cash provided by used in operating activities (5-year summary)
Investing cash flow−¥7m2025-04-01 → 2025-09-30Cons.Net cash provided by used in investment activities
Investing cash flow−¥243m2024-04-01 → 2025-03-31Cons.Net cash provided by used in investing activities (5-year summary)
Financing cash flow−¥144m2025-04-01 → 2025-09-30Cons.Net cash provided by used in financing activities
Financing cash flow¥103m2024-04-01 → 2025-03-31Cons.Net cash provided by used in financing activities (5-year summary)
EPS (basic)¥-145.822025-04-01 → 2025-09-30Cons.Basic earnings loss per share (5-year summary)
EPS (basic)¥-1,293.582024-04-01 → 2025-03-31Cons.Basic earnings loss per share (5-year summary)
Equity ratio42.9%at 2025-09-30Cons.Equity to asset ratio (5-year summary)
Equity ratio41.4%at 2025-03-31Cons.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 · 17
SegmentItemPeriodValue
Reconciling Itemsreconcilingrevenue2025-04-01 → 2025-09-30−¥50m
Reconciling Itemsreconcilingrevenue intersegment2025-04-01 → 2025-09-30−¥50m
Reconciling Itemsreconcilingsegment profit2025-04-01 → 2025-09-30−¥131m
Construction Businessreportable segmentrevenue2025-04-01 → 2025-09-30¥581m
Construction Businessreportable segmentrevenue external2025-04-01 → 2025-09-30¥581m
Construction Businessreportable segmentsegment profit2025-04-01 → 2025-09-30−¥19m
Housing Material Businessreportable segmentrevenue2025-04-01 → 2025-09-30¥1.4bn
Housing Material Businessreportable segmentrevenue external2025-04-01 → 2025-09-30¥1.4bn
Housing Material Businessreportable segmentrevenue intersegment2025-04-01 → 2025-09-30¥50m
Housing Material Businessreportable segmentsegment profit2025-04-01 → 2025-09-30−¥37m
Real Estate Businessreportable segmentrevenue2025-04-01 → 2025-09-30¥35m
Real Estate Businessreportable segmentrevenue external2025-04-01 → 2025-09-30¥35m
Real Estate Businessreportable segmentsegment profit2025-04-01 → 2025-09-30¥23m
—segment totalrevenue2025-04-01 → 2025-09-30¥2.1bn
—segment totalrevenue external2025-04-01 → 2025-09-30¥2.0bn
—segment totalrevenue intersegment2025-04-01 → 2025-09-30¥50m
—segment totalsegment profit2025-04-01 → 2025-09-30−¥33m

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

All source rows · 378
ItemContextValueUnit
Description issued shares voting rightsInterimInstant_SharesWithFullVotingRightsOtherMember
Original text (Japanese)同上
Description issued shares voting rightsInterimInstant_SharesLessThanOneUnitMember
Original text (Japanese)同上
Treasury shares etc (text)FilingDateInstantText · Plus
Name of shareholder treasury shares etcInterimInstant_Row1Member
Original text (Japanese)株式会社山大
Address of shareholder treasury shares etcInterimInstant_Row1Member
Original text (Japanese)宮城県石巻市潮見町2番地の3
Information about officers (text)FilingDateInstantText · Plus
Regulations in accordance with which consolidated financial statements have been prepared financial informationInterimDurationText · Plus
Type1 semi annual consolidated financial statements financial informationInterimDurationText · Plus
Description of fact that information is not prepared financial informationInterimDurationText · Plus
Note on independent audit financial informationInterimDurationText · Plus
Type1 semi annual consolidated balance sheet (text)InterimDurationText · Plus
Type1 semi annual consolidated statement of income (text)InterimDurationText · Plus
Type1 semi annual consolidated statement of comprehensive income (text)InterimDurationText · Plus
Type1 semi annual consolidated statement of cash flows (text)InterimDurationText · Plus
Notes uncertainties of entitys ability to continue as going concern semi annual consolidated financial statements (text)InterimDurationText · Plus
Notes changes in scope of consolidation or equity method (text)InterimDurationText · Plus
Notes changes in presentation semi annual consolidated financial statements (text)InterimDurationText · Plus
Notes regarding allowances directly deducted from balances of assets (text)InterimInstantText · Plus
Debtors notes regarding overdraft contracts and or loan commitments (text)InterimInstantText · Plus
Reconciliation of ending balance of cash and cash equivalents with account balances per balance sheet (text)InterimDurationText · Plus
Notes regarding dividend (text)InterimDurationText · Plus
Notes segment information etc type1 semi annual consolidated financial statements (text)InterimDurationText · Plus
Footnotes regarding segment information table (text)InterimDurationText · Plus
Notes revenue recognition semi annual consolidated financial statements (text)InterimDurationText · Plus
Notes per share information semi annual consolidated financial statements (text)InterimDurationText · Plus
Notes significant events after reporting period semi annual consolidated financial statements (text)InterimDurationText · Plus
Other information consolidated financial statements etc (text)InterimDurationText · Plus
Information about company which provides guarantee to reporting company (text)FilingDateInstantText · 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 · 11 of 11 passed
balance sheet identityconsolidated 2025-03-31pass
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 2025-04-01/2025-09-30pass
statement vs summary · operating cash flowconsolidated 2025-04-01/2025-09-30pass
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