Annual report
1887.TEDINET S100YXXI
Period2025-06-01 → 2026-05-31
Filed2026-08-21
StandardJapan GAAP
ConsolidatedYes
Data checks24 of 24 passed
Key figures · 156
| Metric | Value | Period | Scope | Source row |
|---|---|---|---|---|
| Revenue | ¥135.2bn | 2025-06-01 → 2026-05-31 | Cons. | Net sales |
| Revenue | ¥123.3bn | 2024-06-01 → 2025-05-31 | Cons. | Net sales |
| Revenue | ¥135.7bn | 2023-06-01 → 2024-05-31v | Cons. | Net sales (5-year summary) |
| Revenue | ¥154.2bn | 2022-06-01 → 2023-05-31v | Cons. | Net sales (5-year summary) |
| Revenue | ¥126.8bn | 2021-06-01 → 2022-05-31v | Cons. | Net sales (5-year summary) |
| Operating income | ¥7.2bn | 2025-06-01 → 2026-05-31 | Cons. | Operating income |
| Operating income | ¥2.3bn | 2024-06-01 → 2025-05-31 | Cons. | Operating income |
| Ordinary income | ¥6.6bn | 2025-06-01 → 2026-05-31 | Cons. | Ordinary income |
| Ordinary income | ¥1.9bn | 2024-06-01 → 2025-05-31 | Cons. | Ordinary income |
| Ordinary income | −¥9.3bn | 2023-06-01 → 2024-05-31v | Cons. | Ordinary income loss (5-year summary) |
| Ordinary income | ¥4.6bn | 2022-06-01 → 2023-05-31v | Cons. | Ordinary income loss (5-year summary) |
| Ordinary income | ¥8.4bn | 2021-06-01 → 2022-05-31v | Cons. | Ordinary income loss (5-year summary) |
| Profit before tax | ¥6.5bn | 2025-06-01 → 2026-05-31 | Cons. | Income before income taxes |
| Profit before tax | ¥2.2bn | 2024-06-01 → 2025-05-31 | Cons. | Income before income taxes |
| Net income (owners) | ¥5.5bn | 2025-06-01 → 2026-05-31 | Cons. | Profit loss attributable to owners of parent |
| Net income (owners) | ¥1.3bn | 2024-06-01 → 2025-05-31 | Cons. | Profit loss attributable to owners of parent |
| Net income (owners) | −¥7.2bn | 2023-06-01 → 2024-05-31v | Cons. | Profit loss attributable to owners of parent (5-year summary) |
| Net income (owners) | ¥3.3bn | 2022-06-01 → 2023-05-31v | Cons. | Profit loss attributable to owners of parent (5-year summary) |
| Net income (owners) | ¥7.4bn | 2021-06-01 → 2022-05-31v | Cons. | Profit loss attributable to owners of parent (5-year summary) |
| Net income | ¥5.5bn | 2025-06-01 → 2026-05-31 | Cons. | Profit loss |
| Net income | ¥1.4bn | 2024-06-01 → 2025-05-31 | Cons. | Profit loss |
| Total assets | ¥158.0bn | at 2026-05-31 | Cons. | Assets |
| Total assets | ¥140.6bn | at 2025-05-31 | Cons. | Assets |
| Total assets | ¥145.7bn | at 2024-05-31v | Cons. | Total assets (5-year summary) |
| Total assets | ¥162.3bn | at 2023-05-31v | Cons. | Total assets (5-year summary) |
| Total assets | ¥154.7bn | at 2022-05-31v | Cons. | Total assets (5-year summary) |
| Total liabilities | ¥86.6bn | at 2026-05-31 | Cons. | Liabilities |
| Total liabilities | ¥74.2bn | at 2025-05-31 | Cons. | Liabilities |
| Net assets / equity | ¥71.4bn | at 2026-05-31 | Cons. | Net assets |
| Net assets / equity | ¥66.4bn | at 2025-05-31 | Cons. | Net assets |
| Net assets / equity | ¥68.6bn | at 2024-05-31v | Cons. | Net assets |
| Net assets / equity | ¥78.0bn | at 2023-05-31v | Cons. | Net assets (5-year summary) |
| Net assets / equity | ¥79.9bn | at 2022-05-31v | Cons. | Net assets (5-year summary) |
| Cash and deposits | ¥19.9bn | at 2026-05-31 | Cons. | Cash and deposits |
| Cash and deposits | ¥18.1bn | at 2025-05-31 | Cons. | Cash and deposits |
| Cash & equivalents | ¥19.7bn | at 2026-05-31 | Cons. | Cash and cash equivalents |
| Cash & equivalents | ¥18.1bn | at 2025-05-31 | Cons. | Cash and cash equivalents |
| Cash & equivalents | ¥21.9bn | at 2024-05-31v | Cons. | Cash and cash equivalents |
| Cash & equivalents | ¥23.7bn | at 2023-05-31v | Cons. | Cash and cash equivalents (5-year summary) |
| Cash & equivalents | ¥47.2bn | at 2022-05-31v | Cons. | Cash and cash equivalents (5-year summary) |
| Operating cash flow | −¥4.6bn | 2025-06-01 → 2026-05-31 | Cons. | Net cash provided by used in operating activities |
| Operating cash flow | ¥3.8bn | 2024-06-01 → 2025-05-31 | Cons. | Net cash provided by used in operating activities |
| Operating cash flow | −¥1.3bn | 2023-06-01 → 2024-05-31v | Cons. | Net cash provided by used in operating activities (5-year summary) |
| Operating cash flow | −¥11.1bn | 2022-06-01 → 2023-05-31v | Cons. | Net cash provided by used in operating activities (5-year summary) |
| Operating cash flow | ¥3.8bn | 2021-06-01 → 2022-05-31v | Cons. | Net cash provided by used in operating activities (5-year summary) |
| Investing cash flow | ¥456m | 2025-06-01 → 2026-05-31 | Cons. | Net cash provided by used in investment activities |
| Investing cash flow | −¥3.9bn | 2024-06-01 → 2025-05-31 | Cons. | Net cash provided by used in investment activities |
| Investing cash flow | ¥1.5bn | 2023-06-01 → 2024-05-31v | Cons. | Net cash provided by used in investing activities (5-year summary) |
| Investing cash flow | −¥6.3bn | 2022-06-01 → 2023-05-31v | Cons. | Net cash provided by used in investing activities (5-year summary) |
| Investing cash flow | ¥4.3bn | 2021-06-01 → 2022-05-31v | Cons. | Net cash provided by used in investing activities (5-year summary) |
| Financing cash flow | ¥5.3bn | 2025-06-01 → 2026-05-31 | Cons. | Net cash provided by used in financing activities |
| Financing cash flow | −¥3.8bn | 2024-06-01 → 2025-05-31 | Cons. | Net cash provided by used in financing activities |
| Financing cash flow | −¥2.1bn | 2023-06-01 → 2024-05-31v | Cons. | Net cash provided by used in financing activities (5-year summary) |
| Financing cash flow | −¥6.1bn | 2022-06-01 → 2023-05-31v | Cons. | Net cash provided by used in financing activities (5-year summary) |
| Financing cash flow | −¥8.1bn | 2021-06-01 → 2022-05-31v | Cons. | Net cash provided by used in financing activities (5-year summary) |
| EPS (basic) | ¥68.36 | 2025-06-01 → 2026-05-31 | Cons. | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥16.62 | 2024-06-01 → 2025-05-31 | Cons. | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥-86.21 | 2023-06-01 → 2024-05-31v | Cons. | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥38.95 | 2022-06-01 → 2023-05-31v | Cons. | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥84.47 | 2021-06-01 → 2022-05-31v | Cons. | Basic earnings loss per share (5-year summary) |
| EPS (diluted) | ¥68.33 | 2025-06-01 → 2026-05-31 | Cons. | Diluted earnings per share (5-year summary) |
| EPS (diluted) | ¥16.61 | 2024-06-01 → 2025-05-31 | Cons. | Diluted earnings per share (5-year summary) |
| EPS (diluted) | ¥38.89 | 2022-06-01 → 2023-05-31v | Cons. | Diluted earnings per share (5-year summary) |
| EPS (diluted) | ¥84.28 | 2021-06-01 → 2022-05-31v | Cons. | Diluted earnings per share (5-year summary) |
| Net assets per share | ¥892.21 | at 2026-05-31 | Cons. | Net assets per share (5-year summary) |
| Net assets per share | ¥831.37 | at 2025-05-31 | Cons. | Net assets per share (5-year summary) |
| Net assets per share | ¥819.47 | at 2024-05-31v | Cons. | Net assets per share (5-year summary) |
| Net assets per share | ¥935.11 | at 2023-05-31v | Cons. | Net assets per share (5-year summary) |
| Net assets per share | ¥900.89 | at 2022-05-31v | Cons. | Net assets per share (5-year summary) |
| Equity ratio | 45.1% | at 2026-05-31 | Cons. | Equity to asset ratio (5-year summary) |
| Equity ratio | 47.1% | at 2025-05-31 | Cons. | Equity to asset ratio (5-year summary) |
| Equity ratio | 47.0% | at 2024-05-31v | Cons. | Equity to asset ratio (5-year summary) |
| Equity ratio | 48.0% | at 2023-05-31v | Cons. | Equity to asset ratio (5-year summary) |
| Equity ratio | 51.2% | at 2022-05-31v | Cons. | Equity to asset ratio (5-year summary) |
| ROE | 7.9% | 2025-06-01 → 2026-05-31 | Cons. | Rate of return on equity (5-year summary) |
| ROE | 2.0% | 2024-06-01 → 2025-05-31 | Cons. | Rate of return on equity (5-year summary) |
| ROE | -9.8% | 2023-06-01 → 2024-05-31v | Cons. | Rate of return on equity (5-year summary) |
| ROE | 4.2% | 2022-06-01 → 2023-05-31v | Cons. | Rate of return on equity (5-year summary) |
| ROE | 9.7% | 2021-06-01 → 2022-05-31v | Cons. | Rate of return on equity (5-year summary) |
| Employees | 1,104 | at 2026-05-31 | Cons. | Number of employees |
| Employees | 1,020 | at 2025-05-31 | Cons. | Number of employees |
| Employees | 1,048 | at 2024-05-31v | Cons. | Number of employees |
| Employees | 1,094 | at 2023-05-31v | Cons. | Number of employees |
| Employees | 1,106 | at 2022-05-31v | Cons. | Number of employees |
| Revenue | ¥115.2bn | 2025-06-01 → 2026-05-31 | Standalone | Net sales |
| Revenue | ¥98.1bn | 2024-06-01 → 2025-05-31 | Standalone | Net sales |
| Revenue | ¥114.4bn | 2023-06-01 → 2024-05-31v | Standalone | Net sales (5-year summary) |
| Revenue | ¥136.2bn | 2022-06-01 → 2023-05-31v | Standalone | Net sales (5-year summary) |
| Revenue | ¥113.1bn | 2021-06-01 → 2022-05-31v | Standalone | Net sales (5-year summary) |
| Operating income | ¥6.5bn | 2025-06-01 → 2026-05-31 | Standalone | Operating income |
| Operating income | ¥1.9bn | 2024-06-01 → 2025-05-31 | Standalone | Operating income |
| Ordinary income | ¥6.2bn | 2025-06-01 → 2026-05-31 | Standalone | Ordinary income |
| Ordinary income | ¥2.5bn | 2024-06-01 → 2025-05-31 | Standalone | Ordinary income |
| Ordinary income | −¥10.7bn | 2023-06-01 → 2024-05-31v | Standalone | Ordinary income loss (5-year summary) |
| Ordinary income | ¥4.1bn | 2022-06-01 → 2023-05-31v | Standalone | Ordinary income loss (5-year summary) |
| Ordinary income | ¥8.4bn | 2021-06-01 → 2022-05-31v | Standalone | Ordinary income loss (5-year summary) |
| Profit before tax | ¥5.9bn | 2025-06-01 → 2026-05-31 | Standalone | Income before income taxes |
| Profit before tax | ¥2.6bn | 2024-06-01 → 2025-05-31 | Standalone | Income before income taxes |
| Net income | ¥5.0bn | 2025-06-01 → 2026-05-31 | Standalone | Profit loss |
| Net income | ¥2.2bn | 2024-06-01 → 2025-05-31 | Standalone | Profit loss |
| Net income | −¥8.3bn | 2023-06-01 → 2024-05-31v | Standalone | Net income loss (5-year summary) |
| Net income | ¥3.2bn | 2022-06-01 → 2023-05-31v | Standalone | Net income loss (5-year summary) |
| Net income | ¥7.8bn | 2021-06-01 → 2022-05-31v | Standalone | Net income loss (5-year summary) |
| Total assets | ¥135.0bn | at 2026-05-31 | Standalone | Assets |
| Total assets | ¥117.9bn | at 2025-05-31 | Standalone | Assets |
| Total assets | ¥120.1bn | at 2024-05-31v | Standalone | Total assets (5-year summary) |
| Total assets | ¥141.5bn | at 2023-05-31v | Standalone | Total assets (5-year summary) |
| Total assets | ¥133.5bn | at 2022-05-31v | Standalone | Total assets (5-year summary) |
| Total liabilities | ¥70.7bn | at 2026-05-31 | Standalone | Liabilities |
| Total liabilities | ¥57.2bn | at 2025-05-31 | Standalone | Liabilities |
| Net assets / equity | ¥64.4bn | at 2026-05-31 | Standalone | Net assets |
| Net assets / equity | ¥60.7bn | at 2025-05-31 | Standalone | Net assets |
| Net assets / equity | ¥62.3bn | at 2024-05-31v | Standalone | Net assets |
| Net assets / equity | ¥73.3bn | at 2023-05-31v | Standalone | Net assets (5-year summary) |
| Net assets / equity | ¥74.6bn | at 2022-05-31v | Standalone | Net assets (5-year summary) |
| Cash and deposits | ¥11.9bn | at 2026-05-31 | Standalone | Cash and deposits |
| Cash and deposits | ¥11.6bn | at 2025-05-31 | Standalone | Cash and deposits |
| EPS (basic) | ¥62.33 | 2025-06-01 → 2026-05-31 | Standalone | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥27.79 | 2024-06-01 → 2025-05-31 | Standalone | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥-99.76 | 2023-06-01 → 2024-05-31v | Standalone | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥37.76 | 2022-06-01 → 2023-05-31v | Standalone | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥89.3 | 2021-06-01 → 2022-05-31v | Standalone | Basic earnings loss per share (5-year summary) |
| EPS (diluted) | ¥62.3 | 2025-06-01 → 2026-05-31 | Standalone | Diluted earnings per share (5-year summary) |
| EPS (diluted) | ¥27.77 | 2024-06-01 → 2025-05-31 | Standalone | Diluted earnings per share (5-year summary) |
| EPS (diluted) | ¥37.7 | 2022-06-01 → 2023-05-31v | Standalone | Diluted earnings per share (5-year summary) |
| EPS (diluted) | ¥89.09 | 2021-06-01 → 2022-05-31v | Standalone | Diluted earnings per share (5-year summary) |
| Dividend per share | ¥25 | 2025-06-01 → 2026-05-31 | Standalone | Dividend paid per share (5-year summary) |
| Dividend per share | ¥22 | 2024-06-01 → 2025-05-31 | Standalone | Dividend paid per share (5-year summary) |
| Dividend per share | ¥22 | 2023-06-01 → 2024-05-31v | Standalone | Dividend paid per share (5-year summary) |
| Dividend per share | ¥26 | 2022-06-01 → 2023-05-31v | Standalone | Dividend paid per share (5-year summary) |
| Dividend per share | ¥26 | 2021-06-01 → 2022-05-31v | Standalone | Dividend paid per share (5-year summary) |
| Net assets per share | ¥806.56 | at 2026-05-31 | Standalone | Net assets per share (5-year summary) |
| Net assets per share | ¥762.6 | at 2025-05-31 | Standalone | Net assets per share (5-year summary) |
| Net assets per share | ¥746.35 | at 2024-05-31v | Standalone | Net assets per share (5-year summary) |
| Net assets per share | ¥879.61 | at 2023-05-31v | Standalone | Net assets per share (5-year summary) |
| Net assets per share | ¥849.34 | at 2022-05-31v | Standalone | Net assets per share (5-year summary) |
| Equity ratio | 47.7% | at 2026-05-31 | Standalone | Equity to asset ratio (5-year summary) |
| Equity ratio | 51.5% | at 2025-05-31 | Standalone | Equity to asset ratio (5-year summary) |
| Equity ratio | 51.9% | at 2024-05-31v | Standalone | Equity to asset ratio (5-year summary) |
| Equity ratio | 51.8% | at 2023-05-31v | Standalone | Equity to asset ratio (5-year summary) |
| Equity ratio | 55.9% | at 2022-05-31v | Standalone | Equity to asset ratio (5-year summary) |
| ROE | 7.9% | 2025-06-01 → 2026-05-31 | Standalone | Rate of return on equity (5-year summary) |
| ROE | 3.6% | 2024-06-01 → 2025-05-31 | Standalone | Rate of return on equity (5-year summary) |
| ROE | -12.3% | 2023-06-01 → 2024-05-31v | Standalone | Rate of return on equity (5-year summary) |
| ROE | 4.3% | 2022-06-01 → 2023-05-31v | Standalone | Rate of return on equity (5-year summary) |
| ROE | 10.9% | 2021-06-01 → 2022-05-31v | Standalone | Rate of return on equity (5-year summary) |
| Shares issued | 89,255,000 | at 2026-05-31 | Standalone | Total number of issued shares (5-year summary) |
| Shares issued | 89,255,000 | at 2025-05-31 | Standalone | Total number of issued shares (5-year summary) |
| Shares issued | 93,255,000 | at 2024-05-31v | Standalone | Total number of issued shares (5-year summary) |
| Shares issued | 93,255,000 | at 2023-05-31v | Standalone | Total number of issued shares (5-year summary) |
| Shares issued | 98,255,000 | at 2022-05-31v | Standalone | Total number of issued shares (5-year summary) |
| Employees | 835 | at 2026-05-31 | Standalone | Number of employees |
| Employees | 793 | at 2025-05-31 | Standalone | Number of employees |
| Employees | 830 | at 2024-05-31v | Standalone | Number of employees |
| Employees | 863 | at 2023-05-31v | Standalone | Number of employees |
| Employees | 884 | at 2022-05-31v | Standalone | Number 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 · 116
| Segment | Item | Period | Value |
|---|---|---|---|
| Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segments | capex | 2025-06-01 → 2026-05-31 | ¥1.2bn |
| Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segments | depreciation | 2025-06-01 → 2026-05-31 | ¥226m |
| Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segments | employees | at 2026-05-31 | 47 pure |
| Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segments | revenue | 2025-06-01 → 2026-05-31 | ¥1.0bn |
| Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segments | revenue external | 2025-06-01 → 2026-05-31 | ¥1.0bn |
| Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segments | revenue intersegment | 2025-06-01 → 2026-05-31 | ¥3m |
| Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segments | segment assets | at 2026-05-31 | ¥2.8bn |
| Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segments | segment profit | 2025-06-01 → 2026-05-31 | −¥174m |
| Reconciling Itemsreconciling | capex | 2025-06-01 → 2026-05-31 | ¥581m |
| Reconciling Itemsreconciling | depreciation | 2025-06-01 → 2026-05-31 | ¥567m |
| Reconciling Itemsreconciling | revenue | 2025-06-01 → 2026-05-31 | −¥2.3bn |
| Reconciling Itemsreconciling | revenue intersegment | 2025-06-01 → 2026-05-31 | −¥2.3bn |
| Reconciling Itemsreconciling | segment assets | at 2026-05-31 | ¥15.8bn |
| Reconciling Itemsreconciling | segment profit | 2025-06-01 → 2026-05-31 | −¥1.8bn |
| Constructionreportable segment | capex | 2025-06-01 → 2026-05-31 | ¥20m |
| Constructionreportable segment | depreciation | 2025-06-01 → 2026-05-31 | ¥27m |
| Constructionreportable segment | employees | at 2026-05-31 | 557 pure |
| Constructionreportable segment | revenue | 2025-06-01 → 2026-05-31 | ¥92.5bn |
| Constructionreportable segment | revenue external | 2025-06-01 → 2026-05-31 | ¥92.4bn |
| Constructionreportable segment | revenue intersegment | 2025-06-01 → 2026-05-31 | ¥101m |
| Constructionreportable segment | segment assets | at 2026-05-31 | ¥52.6bn |
| Constructionreportable segment | segment profit | 2025-06-01 → 2026-05-31 | ¥7.0bn |
| Energy Businessreportable segment | capex | 2025-06-01 → 2026-05-31 | ¥844m |
| Energy Businessreportable segment | depreciation | 2025-06-01 → 2026-05-31 | ¥212m |
| Energy Businessreportable segment | employees | at 2026-05-31 | 17 pure |
| Energy Businessreportable segment | revenue | 2025-06-01 → 2026-05-31 | ¥3.5bn |
| Energy Businessreportable segment | revenue external | 2025-06-01 → 2026-05-31 | ¥3.5bn |
| Energy Businessreportable segment | segment assets | at 2026-05-31 | ¥25.6bn |
| Energy Businessreportable segment | segment profit | 2025-06-01 → 2026-05-31 | ¥1.3bn |
| Engineeringreportable segment | capex | 2025-06-01 → 2026-05-31 | ¥433m |
| Engineeringreportable segment | depreciation | 2025-06-01 → 2026-05-31 | ¥437m |
| Engineeringreportable segment | employees | at 2026-05-31 | 461 pure |
| Engineeringreportable segment | revenue | 2025-06-01 → 2026-05-31 | ¥38.0bn |
| Engineeringreportable segment | revenue external | 2025-06-01 → 2026-05-31 | ¥35.9bn |
| Engineeringreportable segment | revenue intersegment | 2025-06-01 → 2026-05-31 | ¥2.2bn |
| Engineeringreportable segment | segment assets | at 2026-05-31 | ¥32.4bn |
| Engineeringreportable segment | segment profit | 2025-06-01 → 2026-05-31 | ¥318m |
| Real Estate Businessreportable segment | capex | 2025-06-01 → 2026-05-31 | ¥0 |
| Real Estate Businessreportable segment | depreciation | 2025-06-01 → 2026-05-31 | ¥96m |
| Real Estate Businessreportable segment | employees | at 2026-05-31 | 22 pure |
| Real Estate Businessreportable segment | revenue | 2025-06-01 → 2026-05-31 | ¥2.5bn |
| Real Estate Businessreportable segment | revenue external | 2025-06-01 → 2026-05-31 | ¥2.5bn |
| Real Estate Businessreportable segment | revenue intersegment | 2025-06-01 → 2026-05-31 | ¥49m |
| Real Estate Businessreportable segment | segment assets | at 2026-05-31 | ¥28.8bn |
| Real Estate Businessreportable segment | segment profit | 2025-06-01 → 2026-05-31 | ¥507m |
| —segment total | capex | 2025-06-01 → 2026-05-31 | ¥1.3bn |
| —segment total | depreciation | 2025-06-01 → 2026-05-31 | ¥773m |
| —segment total | revenue | 2025-06-01 → 2026-05-31 | ¥136.5bn |
| —segment total | revenue external | 2025-06-01 → 2026-05-31 | ¥134.2bn |
| —segment total | revenue intersegment | 2025-06-01 → 2026-05-31 | ¥2.3bn |
| —segment total | segment assets | at 2026-05-31 | ¥139.4bn |
| —segment total | segment profit | 2025-06-01 → 2026-05-31 | ¥9.1bn |
| Total Of Reportable Segments And Otherssegment total | capex | 2025-06-01 → 2026-05-31 | ¥2.5bn |
| Total Of Reportable Segments And Otherssegment total | depreciation | 2025-06-01 → 2026-05-31 | ¥1.0bn |
| Total Of Reportable Segments And Otherssegment total | revenue | 2025-06-01 → 2026-05-31 | ¥137.5bn |
| Total Of Reportable Segments And Otherssegment total | revenue external | 2025-06-01 → 2026-05-31 | ¥135.2bn |
| Total Of Reportable Segments And Otherssegment total | revenue intersegment | 2025-06-01 → 2026-05-31 | ¥2.3bn |
| Total Of Reportable Segments And Otherssegment total | segment assets | at 2026-05-31 | ¥142.2bn |
| Total Of Reportable Segments And Otherssegment total | segment profit | 2025-06-01 → 2026-05-31 | ¥9.0bn |
| Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segments | capex | 2024-06-01 → 2025-05-31 | ¥865m |
| Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segments | depreciation | 2024-06-01 → 2025-05-31 | ¥123m |
| Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segments | revenue | 2024-06-01 → 2025-05-31 | ¥724m |
| Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segments | revenue external | 2024-06-01 → 2025-05-31 | ¥724m |
| Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segments | segment assets | at 2025-05-31 | ¥3.1bn |
| Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segments | segment profit | 2024-06-01 → 2025-05-31 | −¥211m |
| Reconciling Itemsreconciling | capex | 2024-06-01 → 2025-05-31 | ¥399m |
| Reconciling Itemsreconciling | depreciation | 2024-06-01 → 2025-05-31 | ¥538m |
| Reconciling Itemsreconciling | revenue | 2024-06-01 → 2025-05-31 | −¥1.8bn |
| Reconciling Itemsreconciling | revenue intersegment | 2024-06-01 → 2025-05-31 | −¥1.8bn |
| Reconciling Itemsreconciling | segment assets | at 2025-05-31 | ¥17.5bn |
| Reconciling Itemsreconciling | segment profit | 2024-06-01 → 2025-05-31 | −¥1.6bn |
| Constructionreportable segment | capex | 2024-06-01 → 2025-05-31 | ¥46m |
| Constructionreportable segment | depreciation | 2024-06-01 → 2025-05-31 | ¥45m |
| Constructionreportable segment | revenue | 2024-06-01 → 2025-05-31 | ¥74.6bn |
| Constructionreportable segment | revenue external | 2024-06-01 → 2025-05-31 | ¥74.6bn |
| Constructionreportable segment | revenue intersegment | 2024-06-01 → 2025-05-31 | ¥46m |
| Constructionreportable segment | segment assets | at 2025-05-31 | ¥44.4bn |
| Constructionreportable segment | segment profit | 2024-06-01 → 2025-05-31 | ¥2.6bn |
| Energy Businessreportable segment | capex | 2024-06-01 → 2025-05-31 | ¥1.7bn |
| Energy Businessreportable segment | depreciation | 2024-06-01 → 2025-05-31 | ¥813m |
| Energy Businessreportable segment | revenue | 2024-06-01 → 2025-05-31 | ¥7.4bn |
| Energy Businessreportable segment | revenue external | 2024-06-01 → 2025-05-31 | ¥7.4bn |
| Energy Businessreportable segment | segment assets | at 2025-05-31 | ¥23.4bn |
| Energy Businessreportable segment | segment profit | 2024-06-01 → 2025-05-31 | ¥3.7bn |
| Engineeringreportable segment | capex | 2024-06-01 → 2025-05-31 | ¥234m |
| Engineeringreportable segment | depreciation | 2024-06-01 → 2025-05-31 | ¥506m |
| Engineeringreportable segment | revenue | 2024-06-01 → 2025-05-31 | ¥37.1bn |
| Engineeringreportable segment | revenue external | 2024-06-01 → 2025-05-31 | ¥35.4bn |
| Engineeringreportable segment | revenue intersegment | 2024-06-01 → 2025-05-31 | ¥1.7bn |
| Engineeringreportable segment | segment assets | at 2025-05-31 | ¥29.1bn |
| Engineeringreportable segment | segment profit | 2024-06-01 → 2025-05-31 | −¥4.5bn |
| Real Estate Businessreportable segment | depreciation | 2024-06-01 → 2025-05-31 | ¥97m |
| Real Estate Businessreportable segment | revenue | 2024-06-01 → 2025-05-31 | ¥5.3bn |
| Real Estate Businessreportable segment | revenue external | 2024-06-01 → 2025-05-31 | ¥5.2bn |
| Real Estate Businessreportable segment | revenue intersegment | 2024-06-01 → 2025-05-31 | ¥49m |
| Real Estate Businessreportable segment | segment assets | at 2025-05-31 | ¥23.2bn |
| Real Estate Businessreportable segment | segment profit | 2024-06-01 → 2025-05-31 | ¥2.4bn |
| —segment total | capex | 2024-06-01 → 2025-05-31 | ¥1.9bn |
| —segment total | depreciation | 2024-06-01 → 2025-05-31 | ¥1.5bn |
| —segment total | revenue | 2024-06-01 → 2025-05-31 | ¥124.4bn |
| —segment total | revenue external | 2024-06-01 → 2025-05-31 | ¥122.6bn |
| —segment total | revenue intersegment | 2024-06-01 → 2025-05-31 | ¥1.8bn |
| —segment total | segment assets | at 2025-05-31 | ¥120.0bn |
| —segment total | segment profit | 2024-06-01 → 2025-05-31 | ¥4.2bn |
| Total Of Reportable Segments And Otherssegment total | capex | 2024-06-01 → 2025-05-31 | ¥2.8bn |
| Total Of Reportable Segments And Otherssegment total | depreciation | 2024-06-01 → 2025-05-31 | ¥1.6bn |
| Total Of Reportable Segments And Otherssegment total | revenue | 2024-06-01 → 2025-05-31 | ¥125.1bn |
| Total Of Reportable Segments And Otherssegment total | revenue external | 2024-06-01 → 2025-05-31 | ¥123.3bn |
| Total Of Reportable Segments And Otherssegment total | revenue intersegment | 2024-06-01 → 2025-05-31 | ¥1.8bn |
| Total Of Reportable Segments And Otherssegment total | segment assets | at 2025-05-31 | ¥123.1bn |
| Total Of Reportable Segments And Otherssegment total | segment profit | 2024-06-01 → 2025-05-31 | ¥3.9bn |
| Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segments | employees | at 2026-05-31 | 19 pure |
| Constructionreportable segment | employees | at 2026-05-31 | 476 pure |
| Energy Businessreportable segment | employees | at 2026-05-31 | 17 pure |
| Engineeringreportable segment | employees | at 2026-05-31 | 301 pure |
| Real Estate Businessreportable segment | employees | at 2026-05-31 | 22 pure |
Segment names come from EDINET member IDs; not yet mapped to a common taxonomy.
All source rows · 1,916
| Item | Context | Value | Unit |
|---|---|---|---|
| Gain on sales of investment securities ei | CurrentYearDuration_NonConsolidatedMember | 630000000 | JPY |
| Other ei | Prior1YearDuration_NonConsolidatedMember | 3000000 | JPY |
| Other ei | CurrentYearDuration_NonConsolidatedMember | 3000000 | JPY |
| Extraordinary income | Prior1YearDuration_NonConsolidatedMember | 445000000 | JPY |
| Extraordinary income | CurrentYearDuration_NonConsolidatedMember | 713000000 | JPY |
| Loss on retirement or abandonment of non current assets el | Prior1YearDuration_NonConsolidatedMember | 6000000 | JPY |
| Loss on retirement or abandonment of non current assets el | CurrentYearDuration_NonConsolidatedMember | 101000000 | JPY |
| Loss on valuation of investment securities el | Prior1YearDuration_NonConsolidatedMember | 199000000 | JPY |
| Loss on valuation of investment securities el | CurrentYearDuration_NonConsolidatedMember | 15000000 | JPY |
| Impairment loss el | Prior1YearDuration_NonConsolidatedMember | 70000000 | JPY |
| Impairment loss el | CurrentYearDuration_NonConsolidatedMember | 909000000 | JPY |
| Compensation for damage etc el | Prior1YearDuration_NonConsolidatedMember | 8000000 | JPY |
| Compensation for damage etc el | CurrentYearDuration_NonConsolidatedMember | － | JPY |
| Other el | Prior1YearDuration_NonConsolidatedMember | 4000000 | JPY |
| Other el | CurrentYearDuration_NonConsolidatedMember | － | JPY |
| Extraordinary loss | Prior1YearDuration_NonConsolidatedMember | 289000000 | JPY |
| Extraordinary loss | CurrentYearDuration_NonConsolidatedMember | 1026000000 | JPY |
| Income before income taxes | Prior1YearDuration_NonConsolidatedMember | 2645000000 | JPY |
| Income before income taxes | CurrentYearDuration_NonConsolidatedMember | 5883000000 | JPY |
| Income taxes current | Prior1YearDuration_NonConsolidatedMember | 627000000 | JPY |
| Income taxes current | CurrentYearDuration_NonConsolidatedMember | 760000000 | JPY |
| Income taxes deferred | Prior1YearDuration_NonConsolidatedMember | -210000000 | JPY |
| Income taxes deferred | CurrentYearDuration_NonConsolidatedMember | 153000000 | JPY |
| Income taxes | Prior1YearDuration_NonConsolidatedMember | 416000000 | JPY |
| Income taxes | CurrentYearDuration_NonConsolidatedMember | 914000000 | JPY |
| Profit loss | Prior1YearDuration_NonConsolidatedMember | 2228000000 | JPY |
| Profit loss | CurrentYearDuration_NonConsolidatedMember | 4969000000 | JPY |
| Net assets | Prior2YearInstant_NonConsolidatedMember_CapitalStockMember | 5012000000 | JPY |
| Net assets | Prior2YearInstant_NonConsolidatedMember_LegalCapitalSurplusMember | 14314000000 | JPY |
| Net assets | Prior2YearInstant_NonConsolidatedMember_OtherCapitalSurplusMember | 2058000000 | JPY |
| Net assets | Prior2YearInstant_NonConsolidatedMember_CapitalSurplusMember | 16373000000 | JPY |
| Net assets | Prior2YearInstant_NonConsolidatedMember_GeneralReserveMember | 38000000000 | JPY |
| Net assets | Prior2YearInstant_NonConsolidatedMember_RetainedEarningsBroughtForwardMember | 4707000000 | JPY |
| Net assets | Prior2YearInstant_NonConsolidatedMember_RetainedEarningsMember | 42707000000 | JPY |
| Net assets | Prior2YearInstant_NonConsolidatedMember_TreasuryStockMember | -3213000000 | JPY |
| Net assets | Prior2YearInstant_NonConsolidatedMember_ShareholdersEquityMember | 60879000000 | JPY |
| Net assets | Prior2YearInstant_NonConsolidatedMember_ValuationDifferenceOnAvailableForSaleSecuritiesMember | 1455000000 | JPY |
| Net assets | Prior2YearInstant_NonConsolidatedMember_ValuationAndTranslationAdjustmentsMember | 1455000000 | JPY |
| Net assets | Prior2YearInstant_NonConsolidatedMember | 62335000000 | JPY |
| Dividends from surplus | Prior1YearDuration_NonConsolidatedMember_RetainedEarningsBroughtForwardMember | -1815000000 | JPY |
| Dividends from surplus | Prior1YearDuration_NonConsolidatedMember_RetainedEarningsMember | -1815000000 | JPY |
| Dividends from surplus | Prior1YearDuration_NonConsolidatedMember_ShareholdersEquityMember | -1815000000 | JPY |
| Dividends from surplus | Prior1YearDuration_NonConsolidatedMember | -1815000000 | JPY |
| Profit loss | Prior1YearDuration_NonConsolidatedMember_RetainedEarningsBroughtForwardMember | 2228000000 | JPY |
| Profit loss | Prior1YearDuration_NonConsolidatedMember_RetainedEarningsMember | 2228000000 | JPY |
| Profit loss | Prior1YearDuration_NonConsolidatedMember_ShareholdersEquityMember | 2228000000 | JPY |
| Profit loss | Prior1YearDuration_NonConsolidatedMember | 2228000000 | JPY |
| Purchase of treasury stock | Prior1YearDuration_NonConsolidatedMember_TreasuryStockMember | -1943000000 | JPY |
| Purchase of treasury stock | Prior1YearDuration_NonConsolidatedMember_ShareholdersEquityMember | -1943000000 | JPY |
| Purchase of treasury stock | Prior1YearDuration_NonConsolidatedMember | -1943000000 | JPY |
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 identity | pass rounding |
| balance sheet identity | pass |
| balance sheet identity | pass |
| balance sheet identity | pass rounding |
| dei present | pass |
| period resolution | pass |
| statement vs summary · net assets | pass |
| statement vs summary · net assets | pass |
| statement vs summary · net assets | pass |
| statement vs summary · net assets | 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 · revenue | pass |
| statement vs summary · revenue | pass |
| statement vs summary · total assets | pass |
| statement vs summary · total assets | pass |
| statement vs summary · total assets | pass |
| statement vs summary · total assets | pass |