Annual report

Period2025-04-01 → 2026-03-31
Filed2026-05-29
StandardJapan GAAP
ConsolidatedYes
Data checks22 of 22 passed
Key figures · 146
MetricValuePeriodScopeSource row
Revenue¥39.4bn2025-04-01 → 2026-03-31Cons.Net sales
Revenue¥36.3bn2024-04-01 → 2025-03-31Cons.Net sales
Revenue¥32.7bn2023-04-01 → 2024-03-31vCons.Net sales (5-year summary)
Revenue¥31.1bn2022-04-01 → 2023-03-31vCons.Net sales (5-year summary)
Revenue¥27.8bn2021-04-01 → 2022-03-31vCons.Net sales (5-year summary)
Operating income¥4.1bn2025-04-01 → 2026-03-31Cons.Operating income
Operating income¥3.8bn2024-04-01 → 2025-03-31Cons.Operating income
Ordinary income¥4.2bn2025-04-01 → 2026-03-31Cons.Ordinary income
Ordinary income¥3.9bn2024-04-01 → 2025-03-31Cons.Ordinary income
Ordinary income¥2.9bn2023-04-01 → 2024-03-31vCons.Ordinary income loss (5-year summary)
Ordinary income¥2.5bn2022-04-01 → 2023-03-31vCons.Ordinary income loss (5-year summary)
Ordinary income¥1.9bn2021-04-01 → 2022-03-31vCons.Ordinary income loss (5-year summary)
Profit before tax¥4.2bn2025-04-01 → 2026-03-31Cons.Income before income taxes
Profit before tax¥3.8bn2024-04-01 → 2025-03-31Cons.Income before income taxes
Net income (owners)¥2.9bn2025-04-01 → 2026-03-31Cons.Profit loss attributable to owners of parent
Net income (owners)¥2.4bn2024-04-01 → 2025-03-31Cons.Profit loss attributable to owners of parent
Net income (owners)¥1.8bn2023-04-01 → 2024-03-31vCons.Profit loss attributable to owners of parent (5-year summary)
Net income (owners)¥1.4bn2022-04-01 → 2023-03-31vCons.Profit loss attributable to owners of parent (5-year summary)
Net income (owners)¥1.0bn2021-04-01 → 2022-03-31vCons.Profit loss attributable to owners of parent (5-year summary)
Net income¥2.9bn2025-04-01 → 2026-03-31Cons.Profit loss
Net income¥2.4bn2024-04-01 → 2025-03-31Cons.Profit loss
Total assets¥24.0bnat 2026-03-31Cons.Assets
Total assets¥22.5bnat 2025-03-31Cons.Assets
Total assets¥20.1bnat 2024-03-31vCons.Total assets (5-year summary)
Total assets¥17.5bnat 2023-03-31vCons.Total assets (5-year summary)
Total assets¥16.2bnat 2022-03-31vCons.Total assets (5-year summary)
Total liabilities¥8.7bnat 2026-03-31Cons.Liabilities
Total liabilities¥8.9bnat 2025-03-31Cons.Liabilities
Net assets / equity¥15.3bnat 2026-03-31Cons.Net assets
Net assets / equity¥13.6bnat 2025-03-31Cons.Net assets
Net assets / equity¥12.0bnat 2024-03-31vCons.Net assets
Net assets / equity¥10.4bnat 2023-03-31vCons.Net assets (5-year summary)
Net assets / equity¥9.4bnat 2022-03-31vCons.Net assets (5-year summary)
Cash and deposits¥6.5bnat 2026-03-31Cons.Cash and deposits
Cash and deposits¥5.7bnat 2025-03-31Cons.Cash and deposits
Cash & equivalents¥6.0bnat 2026-03-31Cons.Cash and cash equivalents
Cash & equivalents¥5.4bnat 2025-03-31Cons.Cash and cash equivalents
Cash & equivalents¥5.7bnat 2024-03-31vCons.Cash and cash equivalents
Cash & equivalents¥4.8bnat 2023-03-31vCons.Cash and cash equivalents (5-year summary)
Cash & equivalents¥4.7bnat 2022-03-31vCons.Cash and cash equivalents (5-year summary)
Operating cash flow¥3.1bn2025-04-01 → 2026-03-31Cons.Net cash provided by used in operating activities
Operating cash flow¥3.6bn2024-04-01 → 2025-03-31Cons.Net cash provided by used in operating activities
Operating cash flow¥1.4bn2023-04-01 → 2024-03-31vCons.Net cash provided by used in operating activities (5-year summary)
Operating cash flow¥1.7bn2022-04-01 → 2023-03-31vCons.Net cash provided by used in operating activities (5-year summary)
Operating cash flow¥1.8bn2021-04-01 → 2022-03-31vCons.Net cash provided by used in operating activities (5-year summary)
Investing cash flow−¥271m2025-04-01 → 2026-03-31Cons.Net cash provided by used in investment activities
Investing cash flow−¥2.3bn2024-04-01 → 2025-03-31Cons.Net cash provided by used in investment activities
Investing cash flow−¥233m2023-04-01 → 2024-03-31vCons.Net cash provided by used in investing activities (5-year summary)
Investing cash flow−¥360m2022-04-01 → 2023-03-31vCons.Net cash provided by used in investing activities (5-year summary)
Investing cash flow−¥9m2021-04-01 → 2022-03-31vCons.Net cash provided by used in investing activities (5-year summary)
Financing cash flow−¥2.3bn2025-04-01 → 2026-03-31Cons.Net cash provided by used in financing activities
Financing cash flow−¥1.5bn2024-04-01 → 2025-03-31Cons.Net cash provided by used in financing activities
Financing cash flow−¥432m2023-04-01 → 2024-03-31vCons.Net cash provided by used in financing activities (5-year summary)
Financing cash flow−¥1.3bn2022-04-01 → 2023-03-31vCons.Net cash provided by used in financing activities (5-year summary)
Financing cash flow−¥1.9bn2021-04-01 → 2022-03-31vCons.Net cash provided by used in financing activities (5-year summary)
EPS (basic)¥85.932025-04-01 → 2026-03-31Cons.Basic earnings loss per share (5-year summary)
EPS (basic)¥71.272024-04-01 → 2025-03-31Cons.Basic earnings loss per share (5-year summary)
EPS (basic)¥53.212023-04-01 → 2024-03-31vCons.Basic earnings loss per share (5-year summary)
EPS (basic)¥42.272022-04-01 → 2023-03-31vCons.Basic earnings loss per share (5-year summary)
EPS (basic)¥30.812021-04-01 → 2022-03-31vCons.Basic earnings loss per share (5-year summary)
EPS (diluted)¥30.752021-04-01 → 2022-03-31vCons.Diluted earnings per share (5-year summary)
Net assets per share¥446.89at 2026-03-31Cons.Net assets per share (5-year summary)
Net assets per share¥403.59at 2025-03-31Cons.Net assets per share (5-year summary)
Net assets per share¥356.43at 2024-03-31vCons.Net assets per share (5-year summary)
Net assets per share¥312.82at 2023-03-31vCons.Net assets per share (5-year summary)
Net assets per share¥283.32at 2022-03-31vCons.Net assets per share (5-year summary)
Equity ratio63.3%at 2026-03-31Cons.Equity to asset ratio (5-year summary)
Equity ratio60.3%at 2025-03-31Cons.Equity to asset ratio (5-year summary)
Equity ratio59.6%at 2024-03-31vCons.Equity to asset ratio (5-year summary)
Equity ratio59.3%at 2023-03-31vCons.Equity to asset ratio (5-year summary)
Equity ratio57.9%at 2022-03-31vCons.Equity to asset ratio (5-year summary)
ROE20.2%2025-04-01 → 2026-03-31Cons.Rate of return on equity (5-year summary)
ROE18.7%2024-04-01 → 2025-03-31Cons.Rate of return on equity (5-year summary)
ROE15.9%2023-04-01 → 2024-03-31vCons.Rate of return on equity (5-year summary)
ROE14.2%2022-04-01 → 2023-03-31vCons.Rate of return on equity (5-year summary)
ROE11.2%2021-04-01 → 2022-03-31vCons.Rate of return on equity (5-year summary)
Employees2,241at 2026-03-31Cons.Number of employees
Employees2,226at 2025-03-31Cons.Number of employees
Employees2,266at 2024-03-31vCons.Number of employees
Employees2,349at 2023-03-31vCons.Number of employees
Employees2,441at 2022-03-31vCons.Number of employees
Revenue¥6.7bn2025-04-01 → 2026-03-31StandaloneOperating revenue1
Revenue¥5.9bn2024-04-01 → 2025-03-31StandaloneOperating revenue1
Operating income¥3.0bn2025-04-01 → 2026-03-31StandaloneOperating income
Operating income¥2.1bn2024-04-01 → 2025-03-31StandaloneOperating income
Ordinary income¥3.1bn2025-04-01 → 2026-03-31StandaloneOrdinary income
Ordinary income¥2.2bn2024-04-01 → 2025-03-31StandaloneOrdinary income
Ordinary income¥1.8bn2023-04-01 → 2024-03-31vStandaloneOrdinary income loss (5-year summary)
Ordinary income¥1.5bn2022-04-01 → 2023-03-31vStandaloneOrdinary income loss (5-year summary)
Ordinary income¥1.1bn2021-04-01 → 2022-03-31vStandaloneOrdinary income loss (5-year summary)
Profit before tax¥3.1bn2025-04-01 → 2026-03-31StandaloneIncome before income taxes
Profit before tax¥2.2bn2024-04-01 → 2025-03-31StandaloneIncome before income taxes
Net income¥2.9bn2025-04-01 → 2026-03-31StandaloneProfit loss
Net income¥2.0bn2024-04-01 → 2025-03-31StandaloneProfit loss
Net income¥1.7bn2023-04-01 → 2024-03-31vStandaloneNet income loss (5-year summary)
Net income¥1.4bn2022-04-01 → 2023-03-31vStandaloneNet income loss (5-year summary)
Net income¥1.1bn2021-04-01 → 2022-03-31vStandaloneNet income loss (5-year summary)
Total assets¥15.7bnat 2026-03-31StandaloneAssets
Total assets¥15.2bnat 2025-03-31StandaloneAssets
Total assets¥14.2bnat 2024-03-31vStandaloneTotal assets (5-year summary)
Total assets¥12.5bnat 2023-03-31vStandaloneTotal assets (5-year summary)
Total assets¥11.1bnat 2022-03-31vStandaloneTotal assets (5-year summary)
Total liabilities¥2.4bnat 2026-03-31StandaloneLiabilities
Total liabilities¥3.3bnat 2025-03-31StandaloneLiabilities
Net assets / equity¥13.2bnat 2026-03-31StandaloneNet assets
Net assets / equity¥11.8bnat 2025-03-31StandaloneNet assets
Net assets / equity¥10.6bnat 2024-03-31vStandaloneNet assets
Net assets / equity¥9.3bnat 2023-03-31vStandaloneNet assets (5-year summary)
Net assets / equity¥8.4bnat 2022-03-31vStandaloneNet assets (5-year summary)
Cash and deposits¥1.5bnat 2026-03-31StandaloneCash and deposits
Cash and deposits¥932mat 2025-03-31StandaloneCash and deposits
EPS (basic)¥85.622025-04-01 → 2026-03-31StandaloneBasic earnings loss per share (5-year summary)
EPS (basic)¥60.582024-04-01 → 2025-03-31StandaloneBasic earnings loss per share (5-year summary)
EPS (basic)¥50.442023-04-01 → 2024-03-31vStandaloneBasic earnings loss per share (5-year summary)
EPS (basic)¥41.832022-04-01 → 2023-03-31vStandaloneBasic earnings loss per share (5-year summary)
EPS (basic)¥31.512021-04-01 → 2022-03-31vStandaloneBasic earnings loss per share (5-year summary)
EPS (diluted)¥31.452021-04-01 → 2022-03-31vStandaloneDiluted earnings per share (5-year summary)
Dividend per share¥802025-04-01 → 2026-03-31StandaloneDividend paid per share (5-year summary)
Dividend per share¥702024-04-01 → 2025-03-31StandaloneDividend paid per share (5-year summary)
Dividend per share¥502023-04-01 → 2024-03-31vStandaloneDividend paid per share (5-year summary)
Dividend per share¥452022-04-01 → 2023-03-31vStandaloneDividend paid per share (5-year summary)
Dividend per share¥402021-04-01 → 2022-03-31vStandaloneDividend paid per share (5-year summary)
Net assets per share¥389.4at 2026-03-31StandaloneNet assets per share (5-year summary)
Net assets per share¥352.42at 2025-03-31StandaloneNet assets per share (5-year summary)
Net assets per share¥314.97at 2024-03-31vStandaloneNet assets per share (5-year summary)
Net assets per share¥280.18at 2023-03-31vStandaloneNet assets per share (5-year summary)
Net assets per share¥253.48at 2022-03-31vStandaloneNet assets per share (5-year summary)
Equity ratio84.5%at 2026-03-31StandaloneEquity to asset ratio (5-year summary)
Equity ratio78.0%at 2025-03-31StandaloneEquity to asset ratio (5-year summary)
Equity ratio74.5%at 2024-03-31vStandaloneEquity to asset ratio (5-year summary)
Equity ratio74.4%at 2023-03-31vStandaloneEquity to asset ratio (5-year summary)
Equity ratio75.9%at 2022-03-31vStandaloneEquity to asset ratio (5-year summary)
ROE23.1%2025-04-01 → 2026-03-31StandaloneRate of return on equity (5-year summary)
ROE18.1%2024-04-01 → 2025-03-31StandaloneRate of return on equity (5-year summary)
ROE17.0%2023-04-01 → 2024-03-31vStandaloneRate of return on equity (5-year summary)
ROE15.7%2022-04-01 → 2023-03-31vStandaloneRate of return on equity (5-year summary)
ROE12.7%2021-04-01 → 2022-03-31vStandaloneRate of return on equity (5-year summary)
Shares issued17,229,712at 2026-03-31StandaloneTotal number of issued shares (5-year summary)
Shares issued17,229,712at 2025-03-31StandaloneTotal number of issued shares (5-year summary)
Shares issued18,066,453at 2024-03-31vStandaloneTotal number of issued shares (5-year summary)
Shares issued18,066,453at 2023-03-31vStandaloneTotal number of issued shares (5-year summary)
Shares issued18,066,453at 2022-03-31vStandaloneTotal number of issued shares (5-year summary)
Employees153at 2026-03-31StandaloneNumber of employees
Employees142at 2025-03-31StandaloneNumber of employees
Employees137at 2024-03-31vStandaloneNumber of employees
Employees138at 2023-03-31vStandaloneNumber 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 · 1
SegmentItemPeriodValue
System Operation Managementreportable segmentemployeesat 2026-03-312241 pure

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

All source rows · 1,571
ItemContextValueUnit
Independent auditors report consolidated (text)FilingDateInstantText · Plus
Audit firm1 consolidatedFilingDateInstant
Original text (Japanese)三 優 監 査 法 人
Cpa1 audit firm1 consolidatedFilingDateInstant
Original text (Japanese)米 林  喜 一
Cpa2 audit firm1 consolidatedFilingDateInstant
Original text (Japanese)古 屋  大 造
Audit opinion consolidated (text)FilingDateInstantText · Plus
Key audit matters consolidated (text)FilingDateInstantText · Plus
Overview kam consolidated (text)FilingDateInstantText · Plus
Short description kam consolidatedFilingDateInstant_Row1Member
Original text (Japanese)持分法適用会社に対する投資に含まれるのれん相当額の評価の妥当性
Description including reason kam consolidated (text)FilingDateInstant_Row1MemberText · Plus
Reference kam consolidatedFilingDateInstant_Row1Member
Original text (Japanese)連結財務諸表の【注記事項】(重要な会計上の見積り)
Auditors response kam consolidated (text)FilingDateInstant_Row1MemberText · Plus
Other information consolidated (text)FilingDateInstantText · Plus
Fee related information consolidated (text)FilingDateInstantText · Plus
Independent auditors report non consolidated (text)FilingDateInstantText · Plus
Audit firm1 non consolidatedFilingDateInstant
Original text (Japanese)三 優 監 査 法 人
Cpa1 audit firm1 non consolidatedFilingDateInstant
Original text (Japanese)米 林  喜 一
Cpa2 audit firm1 non consolidatedFilingDateInstant
Original text (Japanese)古 屋  大 造
Audit opinion non consolidated (text)FilingDateInstantText · Plus
Key audit matters non consolidated (text)FilingDateInstantText · Plus
Overview kam non consolidated (text)FilingDateInstantText · Plus
Short description kam non consolidatedFilingDateInstant_Row1Member
Original text (Japanese) 関係会社株式の評価
Description including reason kam non consolidated (text)FilingDateInstant_Row1MemberText · Plus
Reference kam non consolidatedFilingDateInstant_Row1Member
Original text (Japanese)【注記事項】(重要な会計上の見積り)
Auditors response kam non consolidated (text)FilingDateInstant_Row1MemberText · Plus
Other information non consolidated (text)FilingDateInstantText · Plus
Fee related information non consolidated (text)FilingDateInstantText · Plus
Number of submissionFilingDateInstant1
Net sales (5-year summary)Prior4YearDuration27805949000JPY
Net sales (5-year summary)Prior3YearDuration31101353000JPY
Net sales (5-year summary)Prior2YearDuration32680739000JPY
Net sales (5-year summary)Prior1YearDuration36274390000JPY
Net sales (5-year summary)CurrentYearDuration39371101000JPY
Ordinary income loss (5-year summary)Prior4YearDuration1922707000JPY
Ordinary income loss (5-year summary)Prior3YearDuration2504336000JPY
Ordinary income loss (5-year summary)Prior2YearDuration2860773000JPY
Ordinary income loss (5-year summary)Prior1YearDuration3862181000JPY
Ordinary income loss (5-year summary)CurrentYearDuration4212297000JPY
Profit loss attributable to owners of parent (5-year summary)Prior4YearDuration1046340000JPY
Profit loss attributable to owners of parent (5-year summary)Prior3YearDuration1402641000JPY
Profit loss attributable to owners of parent (5-year summary)Prior2YearDuration1777155000JPY
Profit loss attributable to owners of parent (5-year summary)Prior1YearDuration2389934000JPY
Profit loss attributable to owners of parent (5-year summary)CurrentYearDuration2907682000JPY
Comprehensive income (5-year summary)Prior4YearDuration1184195000JPY
Comprehensive income (5-year summary)Prior3YearDuration1667114000JPY
Comprehensive income (5-year summary)Prior2YearDuration2359241000JPY
Comprehensive income (5-year summary)Prior1YearDuration2499707000JPY
Comprehensive income (5-year summary)CurrentYearDuration2873807000JPY
Net assets (5-year summary)Prior4YearInstant9446217000JPY
Net assets (5-year summary)Prior3YearInstant10432196000JPY
Net assets (5-year summary)Prior2YearInstant12010415000JPY

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 · 22 of 22 passed
balance sheet identityconsolidated 2025-03-31pass rounding
balance sheet identityconsolidated 2026-03-31pass
balance sheet identitynon_consolidated 2025-03-31pass
balance sheet identitynon_consolidated 2026-03-31pass
dei present pass
period resolution pass
statement vs summary · net assetsconsolidated 2024-03-31pass
statement vs summary · net assetsconsolidated 2025-03-31pass
statement vs summary · net assetsconsolidated 2026-03-31pass
statement vs summary · net assetsnon_consolidated 2024-03-31pass
statement vs summary · net assetsnon_consolidated 2025-03-31pass
statement vs summary · net assetsnon_consolidated 2026-03-31pass
statement vs summary · net income attributable to parentconsolidated 2024-04-01/2025-03-31pass
statement vs summary · net income attributable to parentconsolidated 2025-04-01/2026-03-31pass
statement vs summary · operating cash flowconsolidated 2024-04-01/2025-03-31pass
statement vs summary · operating cash flowconsolidated 2025-04-01/2026-03-31pass
statement vs summary · revenueconsolidated 2024-04-01/2025-03-31pass
statement vs summary · revenueconsolidated 2025-04-01/2026-03-31pass
statement vs summary · total assetsconsolidated 2025-03-31pass
statement vs summary · total assetsconsolidated 2026-03-31pass
statement vs summary · total assetsnon_consolidated 2025-03-31pass
statement vs summary · total assetsnon_consolidated 2026-03-31pass