Half-year report · HY
4421.TEDINET S100Y3YV
Period2025-10-01 → 2026-03-31
Filed2026-05-14
StandardJapan GAAP
ConsolidatedYes
Data checks14 of 14 passed
Key figures · 47
| Metric | Value | Period | Scope | Source row |
|---|---|---|---|---|
| Revenue | ¥3.6bn | 2025-10-01 → 2026-03-31 | Cons. | Net sales |
| Revenue | ¥7.2bn | 2024-10-01 → 2025-09-30 | Cons. | Net sales (5-year summary) |
| Revenue | ¥3.4bn | 2024-10-01 → 2025-03-31 | Cons. | Net sales |
| Operating income | ¥161m | 2025-10-01 → 2026-03-31 | Cons. | Operating income |
| Operating income | ¥215m | 2024-10-01 → 2025-03-31 | Cons. | Operating income |
| Ordinary income | ¥167m | 2025-10-01 → 2026-03-31 | Cons. | Ordinary income |
| Ordinary income | ¥360m | 2024-10-01 → 2025-09-30 | Cons. | Ordinary income loss (5-year summary) |
| Ordinary income | ¥215m | 2024-10-01 → 2025-03-31 | Cons. | Ordinary income |
| Profit before tax | ¥167m | 2025-10-01 → 2026-03-31 | Cons. | Income before income taxes |
| Profit before tax | ¥215m | 2024-10-01 → 2025-03-31 | Cons. | Income before income taxes |
| Net income (owners) | ¥105m | 2025-10-01 → 2026-03-31 | Cons. | Profit loss attributable to owners of parent |
| Net income (owners) | ¥256m | 2024-10-01 → 2025-09-30 | Cons. | Profit loss attributable to owners of parent (5-year summary) |
| Net income (owners) | ¥148m | 2024-10-01 → 2025-03-31 | Cons. | Profit loss attributable to owners of parent |
| Net income | ¥105m | 2025-10-01 → 2026-03-31 | Cons. | Profit loss |
| Net income | ¥148m | 2024-10-01 → 2025-03-31 | Cons. | Profit loss |
| Total assets | ¥3.4bn | at 2026-03-31 | Cons. | Assets |
| Total assets | ¥3.1bn | at 2025-09-30 | Cons. | Assets |
| Total assets | ¥3.0bn | at 2025-03-31 | Cons. | Total assets (5-year summary) |
| Total liabilities | ¥1.8bn | at 2026-03-31 | Cons. | Liabilities |
| Total liabilities | ¥1.5bn | at 2025-09-30 | Cons. | Liabilities |
| Net assets / equity | ¥1.7bn | at 2026-03-31 | Cons. | Net assets |
| Net assets / equity | ¥1.6bn | at 2025-09-30 | Cons. | Net assets |
| Net assets / equity | ¥1.5bn | at 2025-03-31 | Cons. | Net assets (5-year summary) |
| Cash and deposits | ¥1.2bn | at 2026-03-31 | Cons. | Cash and deposits |
| Cash and deposits | ¥1.0bn | at 2025-09-30 | Cons. | Cash and deposits |
| Cash & equivalents | ¥1.2bn | at 2026-03-31 | Cons. | Cash and cash equivalents |
| Cash & equivalents | ¥1.0bn | at 2025-09-30 | Cons. | Cash and cash equivalents |
| Cash & equivalents | ¥905m | at 2025-03-31 | Cons. | Cash and cash equivalents |
| Cash & equivalents | ¥1.1bn | at 2024-09-30v | Cons. | Cash and cash equivalents |
| Operating cash flow | ¥198m | 2025-10-01 → 2026-03-31 | Cons. | Net cash provided by used in operating activities |
| Operating cash flow | ¥299m | 2024-10-01 → 2025-09-30 | Cons. | Net cash provided by used in operating activities (5-year summary) |
| Operating cash flow | ¥35m | 2024-10-01 → 2025-03-31 | Cons. | Net cash provided by used in operating activities |
| Investing cash flow | −¥265m | 2025-10-01 → 2026-03-31 | Cons. | Net cash provided by used in investment activities |
| Investing cash flow | −¥217m | 2024-10-01 → 2025-09-30 | Cons. | Net cash provided by used in investing activities (5-year summary) |
| Investing cash flow | −¥97m | 2024-10-01 → 2025-03-31 | Cons. | Net cash provided by used in investment activities |
| Financing cash flow | ¥221m | 2025-10-01 → 2026-03-31 | Cons. | Net cash provided by used in financing activities |
| Financing cash flow | −¥131m | 2024-10-01 → 2025-09-30 | Cons. | Net cash provided by used in financing activities (5-year summary) |
| Financing cash flow | −¥106m | 2024-10-01 → 2025-03-31 | Cons. | Net cash provided by used in financing activities |
| EPS (basic) | ¥35.97 | 2025-10-01 → 2026-03-31 | Cons. | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥88.12 | 2024-10-01 → 2025-09-30 | Cons. | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥50.95 | 2024-10-01 → 2025-03-31 | Cons. | Basic earnings loss per share (5-year summary) |
| EPS (diluted) | ¥35.9 | 2025-10-01 → 2026-03-31 | Cons. | Diluted earnings per share (5-year summary) |
| EPS (diluted) | ¥87.93 | 2024-10-01 → 2025-09-30 | Cons. | Diluted earnings per share (5-year summary) |
| EPS (diluted) | ¥50.84 | 2024-10-01 → 2025-03-31 | Cons. | Diluted earnings per share (5-year summary) |
| Equity ratio | 48.6% | at 2026-03-31 | Cons. | Equity to asset ratio (5-year summary) |
| Equity ratio | 52.6% | at 2025-09-30 | Cons. | Equity to asset ratio (5-year summary) |
| Equity ratio | 50.3% | at 2025-03-31 | 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 · 16
| Segment | Item | Period | Value |
|---|---|---|---|
| System Integration Businessreportable segment | revenue | 2025-10-01 → 2026-03-31 | ¥3.4bn |
| System Integration Businessreportable segment | revenue external | 2025-10-01 → 2026-03-31 | ¥3.4bn |
| System Integration Businessreportable segment | revenue intersegment | 2025-10-01 → 2026-03-31 | ¥18m |
| System Integration Businessreportable segment | segment profit | 2025-10-01 → 2026-03-31 | ¥744m |
| —segment total | revenue | 2025-10-01 → 2026-03-31 | ¥3.6bn |
| —segment total | revenue external | 2025-10-01 → 2026-03-31 | ¥3.6bn |
| —segment total | revenue intersegment | 2025-10-01 → 2026-03-31 | ¥27m |
| —segment total | segment profit | 2025-10-01 → 2026-03-31 | ¥796m |
| System Integration Businessreportable segment | revenue | 2024-10-01 → 2025-03-31 | ¥3.2bn |
| System Integration Businessreportable segment | revenue external | 2024-10-01 → 2025-03-31 | ¥3.2bn |
| System Integration Businessreportable segment | revenue intersegment | 2024-10-01 → 2025-03-31 | ¥18m |
| System Integration Businessreportable segment | segment profit | 2024-10-01 → 2025-03-31 | ¥735m |
| —segment total | revenue | 2024-10-01 → 2025-03-31 | ¥3.4bn |
| —segment total | revenue external | 2024-10-01 → 2025-03-31 | ¥3.4bn |
| —segment total | revenue intersegment | 2024-10-01 → 2025-03-31 | ¥25m |
| —segment total | segment profit | 2024-10-01 → 2025-03-31 | ¥777m |
Segment names come from EDINET member IDs; not yet mapped to a common taxonomy.
All source rows · 424
| Item | Context | Value | Unit |
|---|---|---|---|
| Revenues from external customers | InterimDuration_jpcrp040300-ssr_E34335-000SystemIntegrationBusinessReportableSegmentsMember | 3411502000 | JPY |
| Revenues from external customers | InterimDuration_jpcrp040300-ssr_E34335-000EducationAndSecuritySolutionBusinessMember | 192216000 | JPY |
| Revenues from external customers | InterimDuration_ReportableSegmentsMember | 3603719000 | JPY |
| Transactions with other segments | InterimDuration_jpcrp040300-ssr_E34335-000SystemIntegrationBusinessReportableSegmentsMember | 17821000 | JPY |
| Transactions with other segments | InterimDuration_jpcrp040300-ssr_E34335-000EducationAndSecuritySolutionBusinessMember | 9309000 | JPY |
| Transactions with other segments | InterimDuration_ReportableSegmentsMember | 27130000 | JPY |
| Net sales | InterimDuration_jpcrp040300-ssr_E34335-000SystemIntegrationBusinessReportableSegmentsMember | 3429324000 | JPY |
| Net sales | InterimDuration_jpcrp040300-ssr_E34335-000EducationAndSecuritySolutionBusinessMember | 201525000 | JPY |
| Net sales | InterimDuration_ReportableSegmentsMember | 3630850000 | JPY |
| Operating income | InterimDuration_jpcrp040300-ssr_E34335-000SystemIntegrationBusinessReportableSegmentsMember | 743823000 | JPY |
| Operating income | InterimDuration_jpcrp040300-ssr_E34335-000EducationAndSecuritySolutionBusinessMember | 52487000 | JPY |
| Operating income | InterimDuration_ReportableSegmentsMember | 796311000 | 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 | 2026-05-14 | |
| Semi annual accounting period cover page | FilingDateInstant | Original text (Japanese)第30期中（自 2025年10月１日 至 2026年３月31日） | |
| Company name cover page | FilingDateInstant | Original text (Japanese)株式会社ディ・アイ・システム | |
| Company name in english cover page | FilingDateInstant | Ｄ．Ｉ．Ｓｙｓｔｅｍ Ｃｏ．， Ｌｔｄ． | |
| Title and name of representative cover page | FilingDateInstant | Original text (Japanese)代表取締役社長 富田 健太郎 | |
| Address of registered headquarter cover page | FilingDateInstant | Original text (Japanese)東京都千代田区丸の内二丁目１番１号 | |
| Telephone number address of registered headquarter cover page | FilingDateInstant | 03-6826-7772 | |
| Name of contact person address of registered headquarter cover page | FilingDateInstant | Original text (Japanese)常務取締役 大塚 豊 | |
| Nearest place of contact cover page | FilingDateInstant | Original text (Japanese)東京都千代田区丸の内二丁目１番１号 | |
| Telephone number nearest place of contact cover page | FilingDateInstant | 03-6826-7772 | |
| Name of contact person nearest place of contact cover page | FilingDateInstant | Original text (Japanese)常務取締役 大塚 豊 | |
| Place for public inspection cover page (text) | FilingDateInstant | Text · Plus | |
| Edinet code | FilingDateInstant | E34335 | |
| Fund code | FilingDateInstant | － | |
| Security code | FilingDateInstant | 44210 | |
| Filer name in japanese | FilingDateInstant | Original text (Japanese)株式会社ディ・アイ・システム | |
| Filer name in english | FilingDateInstant | D.I.System Co., Ltd. | |
| 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 | CTE | |
| Industry code when financial statements are prepared in accordance with industry specific regulations | FilingDateInstant | － | |
| Current fiscal year start date | FilingDateInstant | 2025-10-01 | |
| Current period end date | FilingDateInstant | 2026-03-31 | |
| Type of current period | FilingDateInstant | HY | |
| Current fiscal year end date | FilingDateInstant | 2026-09-30 | |
| Previous fiscal year start date | FilingDateInstant | 2024-10-01 | |
| Comparative period end date | FilingDateInstant | 2025-03-31 | |
| Previous fiscal year end date | FilingDateInstant | 2025-09-30 | |
| Next fiscal year start date | FilingDateInstant | － | |
| End date of quarterly or semi annual period of next fiscal year | FilingDateInstant | － | |
| Amendment flag | FilingDateInstant | false |
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 |
| 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 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 |