Annual report

Period2025-04-01 → 2026-03-31
Filed2026-06-24
StandardJapan GAAP
ConsolidatedYes
Data checks24 of 24 passed
Key figures · 158
MetricValuePeriodScopeSource row
Revenue¥1.02T2025-04-01 → 2026-03-31Cons.Net sales
Revenue¥1.06T2024-04-01 → 2025-03-31Cons.Net sales
Revenue¥1.01T2023-04-01 → 2024-03-31vCons.Net sales (5-year summary)
Revenue¥1.06T2022-04-01 → 2023-03-31vCons.Net sales (5-year summary)
Revenue¥918.6bn2021-04-01 → 2022-03-31vCons.Net sales (5-year summary)
Operating income¥95.5bn2025-04-01 → 2026-03-31Cons.Operating income
Operating income¥98.9bn2024-04-01 → 2025-03-31Cons.Operating income
Ordinary income¥106.8bn2025-04-01 → 2026-03-31Cons.Ordinary income
Ordinary income¥103.0bn2024-04-01 → 2025-03-31Cons.Ordinary income
Ordinary income¥95.9bn2023-04-01 → 2024-03-31vCons.Ordinary income loss (5-year summary)
Ordinary income¥90.0bn2022-04-01 → 2023-03-31vCons.Ordinary income loss (5-year summary)
Ordinary income¥160.5bn2021-04-01 → 2022-03-31vCons.Ordinary income loss (5-year summary)
Profit before tax¥89.3bn2025-04-01 → 2026-03-31Cons.Income before income taxes
Profit before tax¥101.4bn2024-04-01 → 2025-03-31Cons.Income before income taxes
Net income (owners)¥41.6bn2025-04-01 → 2026-03-31Cons.Profit loss attributable to owners of parent
Net income (owners)¥58.0bn2024-04-01 → 2025-03-31Cons.Profit loss attributable to owners of parent
Net income (owners)¥57.3bn2023-04-01 → 2024-03-31vCons.Profit loss attributable to owners of parent (5-year summary)
Net income (owners)¥50.3bn2022-04-01 → 2023-03-31vCons.Profit loss attributable to owners of parent (5-year summary)
Net income (owners)¥107.9bn2021-04-01 → 2022-03-31vCons.Profit loss attributable to owners of parent (5-year summary)
Net income¥57.4bn2025-04-01 → 2026-03-31Cons.Profit loss
Net income¥71.5bn2024-04-01 → 2025-03-31Cons.Profit loss
Total assets¥1.41Tat 2026-03-31Cons.Assets
Total assets¥1.33Tat 2025-03-31Cons.Assets
Total assets¥1.29Tat 2024-03-31vCons.Total assets (5-year summary)
Total assets¥1.19Tat 2023-03-31vCons.Total assets (5-year summary)
Total assets¥1.09Tat 2022-03-31vCons.Total assets (5-year summary)
Total liabilities¥489.8bnat 2026-03-31Cons.Liabilities
Total liabilities¥424.9bnat 2025-03-31Cons.Liabilities
Net assets / equity¥919.1bnat 2026-03-31Cons.Net assets
Net assets / equity¥902.4bnat 2025-03-31Cons.Net assets
Net assets / equity¥858.8bnat 2024-03-31vCons.Net assets
Net assets / equity¥794.2bnat 2023-03-31vCons.Net assets (5-year summary)
Net assets / equity¥759.7bnat 2022-03-31vCons.Net assets (5-year summary)
Cash and deposits¥179.6bnat 2026-03-31Cons.Cash and deposits
Cash and deposits¥141.5bnat 2025-03-31Cons.Cash and deposits
Cash & equivalents¥176.6bnat 2026-03-31Cons.Cash and cash equivalents
Cash & equivalents¥138.8bnat 2025-03-31Cons.Cash and cash equivalents
Cash & equivalents¥149.0bnat 2024-03-31vCons.Cash and cash equivalents
Cash & equivalents¥119.4bnat 2023-03-31vCons.Cash and cash equivalents (5-year summary)
Cash & equivalents¥160.8bnat 2022-03-31vCons.Cash and cash equivalents (5-year summary)
Operating cash flow¥114.6bn2025-04-01 → 2026-03-31Cons.Net cash provided by used in operating activities
Operating cash flow¥106.2bn2024-04-01 → 2025-03-31Cons.Net cash provided by used in operating activities
Operating cash flow¥117.0bn2023-04-01 → 2024-03-31vCons.Net cash provided by used in operating activities (5-year summary)
Operating cash flow−¥16.2bn2022-04-01 → 2023-03-31vCons.Net cash provided by used in operating activities (5-year summary)
Operating cash flow¥108.6bn2021-04-01 → 2022-03-31vCons.Net cash provided by used in operating activities (5-year summary)
Investing cash flow−¥72.1bn2025-04-01 → 2026-03-31Cons.Net cash provided by used in investment activities
Investing cash flow−¥81.6bn2024-04-01 → 2025-03-31Cons.Net cash provided by used in investment activities
Investing cash flow−¥59.9bn2023-04-01 → 2024-03-31vCons.Net cash provided by used in investing activities (5-year summary)
Investing cash flow−¥78.7bn2022-04-01 → 2023-03-31vCons.Net cash provided by used in investing activities (5-year summary)
Investing cash flow−¥43.5bn2021-04-01 → 2022-03-31vCons.Net cash provided by used in investing activities (5-year summary)
Financing cash flow−¥9.7bn2025-04-01 → 2026-03-31Cons.Net cash provided by used in financing activities
Financing cash flow−¥37.9bn2024-04-01 → 2025-03-31Cons.Net cash provided by used in financing activities
Financing cash flow−¥31.2bn2023-04-01 → 2024-03-31vCons.Net cash provided by used in financing activities (5-year summary)
Financing cash flow¥50.2bn2022-04-01 → 2023-03-31vCons.Net cash provided by used in financing activities (5-year summary)
Financing cash flow−¥57.9bn2021-04-01 → 2022-03-31vCons.Net cash provided by used in financing activities (5-year summary)
EPS (basic)¥132.42025-04-01 → 2026-03-31Cons.Basic earnings loss per share (5-year summary)
EPS (basic)¥182.132024-04-01 → 2025-03-31Cons.Basic earnings loss per share (5-year summary)
EPS (basic)¥180.072023-04-01 → 2024-03-31vCons.Basic earnings loss per share (5-year summary)
EPS (basic)¥158.142022-04-01 → 2023-03-31vCons.Basic earnings loss per share (5-year summary)
EPS (basic)¥339.232021-04-01 → 2022-03-31vCons.Basic earnings loss per share (5-year summary)
EPS (diluted)¥132.382025-04-01 → 2026-03-31Cons.Diluted earnings per share (5-year summary)
EPS (diluted)¥182.112024-04-01 → 2025-03-31Cons.Diluted earnings per share (5-year summary)
EPS (diluted)¥180.042023-04-01 → 2024-03-31vCons.Diluted earnings per share (5-year summary)
EPS (diluted)¥158.092022-04-01 → 2023-03-31vCons.Diluted earnings per share (5-year summary)
EPS (diluted)¥339.032021-04-01 → 2022-03-31vCons.Diluted earnings per share (5-year summary)
Net assets per share¥2,701.46at 2026-03-31Cons.Net assets per share (5-year summary)
Net assets per share¥2,596.69at 2025-03-31Cons.Net assets per share (5-year summary)
Net assets per share¥2,495.23at 2024-03-31vCons.Net assets per share (5-year summary)
Net assets per share¥2,321.17at 2023-03-31vCons.Net assets per share (5-year summary)
Net assets per share¥2,227.84at 2022-03-31vCons.Net assets per share (5-year summary)
Equity ratio59.0%at 2026-03-31Cons.Equity to asset ratio (5-year summary)
Equity ratio62.3%at 2025-03-31Cons.Equity to asset ratio (5-year summary)
Equity ratio61.6%at 2024-03-31vCons.Equity to asset ratio (5-year summary)
Equity ratio61.9%at 2023-03-31vCons.Equity to asset ratio (5-year summary)
Equity ratio65.2%at 2022-03-31vCons.Equity to asset ratio (5-year summary)
ROE5.0%2025-04-01 → 2026-03-31Cons.Rate of return on equity (5-year summary)
ROE7.2%2024-04-01 → 2025-03-31Cons.Rate of return on equity (5-year summary)
ROE7.5%2023-04-01 → 2024-03-31vCons.Rate of return on equity (5-year summary)
ROE7.0%2022-04-01 → 2023-03-31vCons.Rate of return on equity (5-year summary)
ROE16.3%2021-04-01 → 2022-03-31vCons.Rate of return on equity (5-year summary)
Employees14,850at 2026-03-31Cons.Number of employees
Employees14,813at 2025-03-31Cons.Number of employees
Employees14,394at 2024-03-31vCons.Number of employees
Employees14,266at 2023-03-31vCons.Number of employees
Employees13,858at 2022-03-31vCons.Number of employees
Revenue¥646.2bn2025-04-01 → 2026-03-31StandaloneNet sales
Revenue¥710.9bn2024-04-01 → 2025-03-31StandaloneNet sales
Revenue¥672.6bn2023-04-01 → 2024-03-31vStandaloneNet sales (5-year summary)
Revenue¥746.1bn2022-04-01 → 2023-03-31vStandaloneNet sales (5-year summary)
Revenue¥659.0bn2021-04-01 → 2022-03-31vStandaloneNet sales (5-year summary)
Operating income¥41.8bn2025-04-01 → 2026-03-31StandaloneOperating income
Operating income¥51.6bn2024-04-01 → 2025-03-31StandaloneOperating income
Ordinary income¥61.8bn2025-04-01 → 2026-03-31StandaloneOrdinary income
Ordinary income¥63.3bn2024-04-01 → 2025-03-31StandaloneOrdinary income
Ordinary income¥61.3bn2023-04-01 → 2024-03-31vStandaloneOrdinary income loss (5-year summary)
Ordinary income¥54.4bn2022-04-01 → 2023-03-31vStandaloneOrdinary income loss (5-year summary)
Ordinary income¥130.8bn2021-04-01 → 2022-03-31vStandaloneOrdinary income loss (5-year summary)
Profit before tax¥55.2bn2025-04-01 → 2026-03-31StandaloneIncome before income taxes
Profit before tax¥62.9bn2024-04-01 → 2025-03-31StandaloneIncome before income taxes
Net income¥40.4bn2025-04-01 → 2026-03-31StandaloneProfit loss
Net income¥48.9bn2024-04-01 → 2025-03-31StandaloneProfit loss
Net income¥45.7bn2023-04-01 → 2024-03-31vStandaloneNet income loss (5-year summary)
Net income¥33.5bn2022-04-01 → 2023-03-31vStandaloneNet income loss (5-year summary)
Net income¥95.1bn2021-04-01 → 2022-03-31vStandaloneNet income loss (5-year summary)
Total assets¥859.3bnat 2026-03-31StandaloneAssets
Total assets¥807.6bnat 2025-03-31StandaloneAssets
Total assets¥794.9bnat 2024-03-31vStandaloneTotal assets (5-year summary)
Total assets¥769.8bnat 2023-03-31vStandaloneTotal assets (5-year summary)
Total assets¥726.8bnat 2022-03-31vStandaloneTotal assets (5-year summary)
Total liabilities¥258.7bnat 2026-03-31StandaloneLiabilities
Total liabilities¥197.8bnat 2025-03-31StandaloneLiabilities
Net assets / equity¥600.6bnat 2026-03-31StandaloneNet assets
Net assets / equity¥609.9bnat 2025-03-31StandaloneNet assets
Net assets / equity¥591.2bnat 2024-03-31vStandaloneNet assets
Net assets / equity¥563.1bnat 2023-03-31vStandaloneNet assets (5-year summary)
Net assets / equity¥558.8bnat 2022-03-31vStandaloneNet assets (5-year summary)
Cash and deposits¥68.5bnat 2026-03-31StandaloneCash and deposits
Cash and deposits¥49.6bnat 2025-03-31StandaloneCash and deposits
EPS (basic)¥128.662025-04-01 → 2026-03-31StandaloneBasic earnings loss per share (5-year summary)
EPS (basic)¥153.582024-04-01 → 2025-03-31StandaloneBasic earnings loss per share (5-year summary)
EPS (basic)¥143.422023-04-01 → 2024-03-31vStandaloneBasic earnings loss per share (5-year summary)
EPS (basic)¥105.222022-04-01 → 2023-03-31vStandaloneBasic earnings loss per share (5-year summary)
EPS (basic)¥298.72021-04-01 → 2022-03-31vStandaloneBasic earnings loss per share (5-year summary)
EPS (diluted)¥128.652025-04-01 → 2026-03-31StandaloneDiluted earnings per share (5-year summary)
EPS (diluted)¥153.572024-04-01 → 2025-03-31StandaloneDiluted earnings per share (5-year summary)
EPS (diluted)¥143.42023-04-01 → 2024-03-31vStandaloneDiluted earnings per share (5-year summary)
EPS (diluted)¥105.192022-04-01 → 2023-03-31vStandaloneDiluted earnings per share (5-year summary)
EPS (diluted)¥298.532021-04-01 → 2022-03-31vStandaloneDiluted earnings per share (5-year summary)
Dividend per share¥1002025-04-01 → 2026-03-31StandaloneDividend paid per share (5-year summary)
Dividend per share¥1002024-04-01 → 2025-03-31StandaloneDividend paid per share (5-year summary)
Dividend per share¥852023-04-01 → 2024-03-31vStandaloneDividend paid per share (5-year summary)
Dividend per share¥802022-04-01 → 2023-03-31vStandaloneDividend paid per share (5-year summary)
Dividend per share¥802021-04-01 → 2022-03-31vStandaloneDividend paid per share (5-year summary)
Net assets per share¥1,950.3at 2026-03-31StandaloneNet assets per share (5-year summary)
Net assets per share¥1,914.42at 2025-03-31StandaloneNet assets per share (5-year summary)
Net assets per share¥1,856.5at 2024-03-31vStandaloneNet assets per share (5-year summary)
Net assets per share¥1,768.29at 2023-03-31vStandaloneNet assets per share (5-year summary)
Net assets per share¥1,755.29at 2022-03-31vStandaloneNet assets per share (5-year summary)
Equity ratio69.9%at 2026-03-31StandaloneEquity to asset ratio (5-year summary)
Equity ratio75.5%at 2025-03-31StandaloneEquity to asset ratio (5-year summary)
Equity ratio74.4%at 2024-03-31vStandaloneEquity to asset ratio (5-year summary)
Equity ratio73.1%at 2023-03-31vStandaloneEquity to asset ratio (5-year summary)
Equity ratio76.9%at 2022-03-31vStandaloneEquity to asset ratio (5-year summary)
ROE6.7%2025-04-01 → 2026-03-31StandaloneRate of return on equity (5-year summary)
ROE8.1%2024-04-01 → 2025-03-31StandaloneRate of return on equity (5-year summary)
ROE7.9%2023-04-01 → 2024-03-31vStandaloneRate of return on equity (5-year summary)
ROE6.0%2022-04-01 → 2023-03-31vStandaloneRate of return on equity (5-year summary)
ROE18.2%2021-04-01 → 2022-03-31vStandaloneRate of return on equity (5-year summary)
Shares issued325,080,956at 2026-03-31StandaloneTotal number of issued shares (5-year summary)
Shares issued325,080,956at 2025-03-31StandaloneTotal number of issued shares (5-year summary)
Shares issued325,080,956at 2024-03-31vStandaloneTotal number of issued shares (5-year summary)
Shares issued325,080,956at 2023-03-31vStandaloneTotal number of issued shares (5-year summary)
Shares issued325,080,956at 2022-03-31vStandaloneTotal number of issued shares (5-year summary)
Employees4,002at 2026-03-31StandaloneNumber of employees
Employees3,954at 2025-03-31StandaloneNumber of employees
Employees3,875at 2024-03-31vStandaloneNumber of employees
Employees3,846at 2023-03-31vStandaloneNumber of employees
Employees3,758at 2022-03-31vStandaloneNumber 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 · 102
SegmentItemPeriodValue
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentscapex2025-04-01 → 2026-03-31¥3.1bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsdepreciation2025-04-01 → 2026-03-31¥3.2bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsemployeesat 2026-03-312249 pure
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue2025-04-01 → 2026-03-31¥114.6bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue external2025-04-01 → 2026-03-31¥44.9bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue intersegment2025-04-01 → 2026-03-31¥69.7bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentssegment assetsat 2026-03-31¥57.3bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentssegment profit2025-04-01 → 2026-03-31¥3.6bn
Reconciling Itemsreconcilingcapex2025-04-01 → 2026-03-31¥9.5bn
Reconciling Itemsreconcilingdepreciation2025-04-01 → 2026-03-31¥2.2bn
Reconciling Itemsreconcilingrevenue2025-04-01 → 2026-03-31−¥281.1bn
Reconciling Itemsreconcilingrevenue intersegment2025-04-01 → 2026-03-31−¥281.1bn
Reconciling Itemsreconcilingsegment assetsat 2026-03-31¥194.4bn
Chlor Alkalireportable segmentcapex2025-04-01 → 2026-03-31¥28.1bn
Chlor Alkalireportable segmentdepreciation2025-04-01 → 2026-03-31¥13.4bn
Chlor Alkalireportable segmentemployeesat 2026-03-313192 pure
Chlor Alkalireportable segmentrevenue2025-04-01 → 2026-03-31¥390.1bn
Chlor Alkalireportable segmentrevenue external2025-04-01 → 2026-03-31¥346.0bn
Chlor Alkalireportable segmentrevenue intersegment2025-04-01 → 2026-03-31¥44.1bn
Chlor Alkalireportable segmentsegment assetsat 2026-03-31¥372.9bn
Chlor Alkalireportable segmentsegment profit2025-04-01 → 2026-03-31¥1.9bn
Engineeringreportable segmentcapex2025-04-01 → 2026-03-31¥3.7bn
Engineeringreportable segmentdepreciation2025-04-01 → 2026-03-31¥2.1bn
Engineeringreportable segmentemployeesat 2026-03-313131 pure
Engineeringreportable segmentrevenue2025-04-01 → 2026-03-31¥203.3bn
Engineeringreportable segmentrevenue external2025-04-01 → 2026-03-31¥186.4bn
Engineeringreportable segmentrevenue intersegment2025-04-01 → 2026-03-31¥16.9bn
Engineeringreportable segmentsegment assetsat 2026-03-31¥244.3bn
Engineeringreportable segmentsegment profit2025-04-01 → 2026-03-31¥40.4bn
Petrochemicalreportable segmentcapex2025-04-01 → 2026-03-31¥6.5bn
Petrochemicalreportable segmentdepreciation2025-04-01 → 2026-03-31¥6.4bn
Petrochemicalreportable segmentemployeesat 2026-03-311241 pure
Petrochemicalreportable segmentrevenue2025-04-01 → 2026-03-31¥298.8bn
Petrochemicalreportable segmentrevenue external2025-04-01 → 2026-03-31¥169.7bn
Petrochemicalreportable segmentrevenue intersegment2025-04-01 → 2026-03-31¥129.1bn
Petrochemicalreportable segmentsegment assetsat 2026-03-31¥164.2bn
Petrochemicalreportable segmentsegment profit2025-04-01 → 2026-03-31¥9.7bn
Specialtyreportable segmentcapex2025-04-01 → 2026-03-31¥21.8bn
Specialtyreportable segmentdepreciation2025-04-01 → 2026-03-31¥18.8bn
Specialtyreportable segmentemployeesat 2026-03-315037 pure
Specialtyreportable segmentrevenue2025-04-01 → 2026-03-31¥294.2bn
Specialtyreportable segmentrevenue external2025-04-01 → 2026-03-31¥272.9bn
Specialtyreportable segmentrevenue intersegment2025-04-01 → 2026-03-31¥21.4bn
Specialtyreportable segmentsegment assetsat 2026-03-31¥375.9bn
Specialtyreportable segmentsegment profit2025-04-01 → 2026-03-31¥39.9bn
Total Of Reportable Segments And Otherssegment totalcapex2025-04-01 → 2026-03-31¥63.2bn
Total Of Reportable Segments And Otherssegment totaldepreciation2025-04-01 → 2026-03-31¥44.0bn
Total Of Reportable Segments And Otherssegment totalrevenue2025-04-01 → 2026-03-31¥1.30T
Total Of Reportable Segments And Otherssegment totalrevenue external2025-04-01 → 2026-03-31¥1.02T
Total Of Reportable Segments And Otherssegment totalrevenue intersegment2025-04-01 → 2026-03-31¥281.1bn
Total Of Reportable Segments And Otherssegment totalsegment assetsat 2026-03-31¥1.21T
Total Of Reportable Segments And Otherssegment totalsegment profit2025-04-01 → 2026-03-31¥95.5bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentscapex2024-04-01 → 2025-03-31¥1.9bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsdepreciation2024-04-01 → 2025-03-31¥3.3bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue2024-04-01 → 2025-03-31¥111.9bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue external2024-04-01 → 2025-03-31¥45.4bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue intersegment2024-04-01 → 2025-03-31¥66.5bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentssegment assetsat 2025-03-31¥55.8bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentssegment profit2024-04-01 → 2025-03-31¥2.9bn
Reconciling Itemsreconcilingcapex2024-04-01 → 2025-03-31¥5.7bn
Reconciling Itemsreconcilingdepreciation2024-04-01 → 2025-03-31¥1.8bn
Reconciling Itemsreconcilingrevenue2024-04-01 → 2025-03-31−¥303.5bn
Reconciling Itemsreconcilingrevenue intersegment2024-04-01 → 2025-03-31−¥303.5bn
Reconciling Itemsreconcilingsegment assetsat 2025-03-31¥145.6bn
Chlor Alkalireportable segmentcapex2024-04-01 → 2025-03-31¥35.1bn
Chlor Alkalireportable segmentdepreciation2024-04-01 → 2025-03-31¥12.4bn
Chlor Alkalireportable segmentrevenue2024-04-01 → 2025-03-31¥420.5bn
Chlor Alkalireportable segmentrevenue external2024-04-01 → 2025-03-31¥373.4bn
Chlor Alkalireportable segmentrevenue intersegment2024-04-01 → 2025-03-31¥47.1bn
Chlor Alkalireportable segmentsegment assetsat 2025-03-31¥352.5bn
Chlor Alkalireportable segmentsegment profit2024-04-01 → 2025-03-31¥9.5bn
Engineeringreportable segmentcapex2024-04-01 → 2025-03-31¥3.4bn
Engineeringreportable segmentdepreciation2024-04-01 → 2025-03-31¥2.1bn
Engineeringreportable segmentrevenue2024-04-01 → 2025-03-31¥187.0bn
Engineeringreportable segmentrevenue external2024-04-01 → 2025-03-31¥169.3bn
Engineeringreportable segmentrevenue intersegment2024-04-01 → 2025-03-31¥17.7bn
Engineeringreportable segmentsegment assetsat 2025-03-31¥210.8bn
Engineeringreportable segmentsegment profit2024-04-01 → 2025-03-31¥33.6bn
Petrochemicalreportable segmentcapex2024-04-01 → 2025-03-31¥12.7bn
Petrochemicalreportable segmentdepreciation2024-04-01 → 2025-03-31¥6.5bn
Petrochemicalreportable segmentrevenue2024-04-01 → 2025-03-31¥354.4bn
Petrochemicalreportable segmentrevenue external2024-04-01 → 2025-03-31¥204.8bn
Petrochemicalreportable segmentrevenue intersegment2024-04-01 → 2025-03-31¥149.7bn
Petrochemicalreportable segmentsegment assetsat 2025-03-31¥180.8bn
Petrochemicalreportable segmentsegment profit2024-04-01 → 2025-03-31¥14.3bn
Specialtyreportable segmentcapex2024-04-01 → 2025-03-31¥22.3bn
Specialtyreportable segmentdepreciation2024-04-01 → 2025-03-31¥19.5bn
Specialtyreportable segmentrevenue2024-04-01 → 2025-03-31¥293.0bn
Specialtyreportable segmentrevenue external2024-04-01 → 2025-03-31¥270.5bn
Specialtyreportable segmentrevenue intersegment2024-04-01 → 2025-03-31¥22.5bn
Specialtyreportable segmentsegment assetsat 2025-03-31¥381.9bn
Specialtyreportable segmentsegment profit2024-04-01 → 2025-03-31¥38.6bn
Total Of Reportable Segments And Otherssegment totalcapex2024-04-01 → 2025-03-31¥75.4bn
Total Of Reportable Segments And Otherssegment totaldepreciation2024-04-01 → 2025-03-31¥43.8bn
Total Of Reportable Segments And Otherssegment totalrevenue2024-04-01 → 2025-03-31¥1.37T
Total Of Reportable Segments And Otherssegment totalrevenue external2024-04-01 → 2025-03-31¥1.06T
Total Of Reportable Segments And Otherssegment totalrevenue intersegment2024-04-01 → 2025-03-31¥303.5bn
Total Of Reportable Segments And Otherssegment totalsegment assetsat 2025-03-31¥1.18T
Total Of Reportable Segments And Otherssegment totalsegment profit2024-04-01 → 2025-03-31¥98.9bn
Chlor Alkalireportable segmentemployeesat 2026-03-311545 pure
Petrochemicalreportable segmentemployeesat 2026-03-311009 pure
Specialtyreportable segmentemployeesat 2026-03-311448 pure

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

All source rows · 2,370
ItemContextValueUnit
Independent auditors report consolidated (text)FilingDateInstantText · Plus
Audit firm1 consolidatedFilingDateInstant
Original text (Japanese)有限責任 あずさ監査法人
Cpa1 audit firm1 consolidatedFilingDateInstant
Original text (Japanese)山 本 健 太 郎
Cpa2 audit firm1 consolidatedFilingDateInstant
Original text (Japanese)渡 邊   崇
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)水処理エンジニアリング事業に係る一定期間にわたり収益を認識する取引の収益計上における工事原価総額の見積りの合理性
Description including reason kam consolidated (text)FilingDateInstant_Row1MemberText · Plus
Reference kam consolidatedFilingDateInstant_Row1MemberText · Plus
Auditors response kam consolidated (text)FilingDateInstant_Row1MemberText · Plus
Short description kam consolidatedFilingDateInstant_Row2Member
Original text (Japanese)トーソー・SMD,Inc.が保有する固定資産の評価の妥当性
Description including reason kam consolidated (text)FilingDateInstant_Row2MemberText · Plus
Reference kam consolidatedFilingDateInstant_Row2Member
Original text (Japanese)注記事項「(連結損益計算書関係)※9 減損損失」
Auditors response kam consolidated (text)FilingDateInstant_Row2MemberText · Plus
Short description kam consolidatedFilingDateInstant_Row3Member
Original text (Japanese)東ソー株式会社の滞留在庫の評価の合理性
Description including reason kam consolidated (text)FilingDateInstant_Row3MemberText · Plus
Reference kam consolidatedFilingDateInstant_Row3Member
Original text (Japanese)注記事項「(重要な会計上の見積り)3.棚卸資産の評価」
Auditors response kam consolidated (text)FilingDateInstant_Row3MemberText · Plus
Short description kam consolidatedFilingDateInstant_Row4Member
Original text (Japanese)東ソー株式会社のクロロペトロケミカル資産グループにおける固定資産の減損損失の認識の要否に関する判断の妥当性
Description including reason kam consolidated (text)FilingDateInstant_Row4MemberText · Plus
Reference kam consolidatedFilingDateInstant_Row4MemberText · Plus
Auditors response kam consolidated (text)FilingDateInstant_Row4MemberText · 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)有限責任 あずさ監査法人
Cpa1 audit firm1 non consolidatedFilingDateInstant
Original text (Japanese)山 本 健 太 郎
Cpa2 audit firm1 non consolidatedFilingDateInstant
Original text (Japanese)渡 邊   崇
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)(滞留在庫の評価の合理性)
Same as kam for consolidated fskam non consolidated (text)FilingDateInstant_Row1MemberText · Plus
Short description kam non consolidatedFilingDateInstant_Row2Member
Original text (Japanese)(クロロペトロケミカル資産グループにおける固定資産の減損損失の認識の要否に関する判断の妥当性)
Same as kam for consolidated fskam non consolidated (text)FilingDateInstant_Row2MemberText · Plus
Other information non consolidated (text)FilingDateInstantText · Plus
Fee related information non consolidated (text)FilingDateInstantText · Plus
Number of submissionFilingDateInstant1
Net sales (5-year summary)Prior4YearDuration918580000000JPY
Net sales (5-year summary)Prior3YearDuration1064376000000JPY
Net sales (5-year summary)Prior2YearDuration1005640000000JPY
Net sales (5-year summary)Prior1YearDuration1063382000000JPY
Net sales (5-year summary)CurrentYearDuration1019917000000JPY
Ordinary income loss (5-year summary)Prior4YearDuration160467000000JPY
Ordinary income loss (5-year summary)Prior3YearDuration89983000000JPY
Ordinary income loss (5-year summary)Prior2YearDuration95920000000JPY
Ordinary income loss (5-year summary)Prior1YearDuration103005000000JPY
Ordinary income loss (5-year summary)CurrentYearDuration106752000000JPY
Profit loss attributable to owners of parent (5-year summary)Prior4YearDuration107938000000JPY

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 identityconsolidated 2025-03-31pass
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 · revenuenon_consolidated 2024-04-01/2025-03-31pass
statement vs summary · revenuenon_consolidated 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