Annual report

Period2025-06-01 → 2026-05-31
Filed2026-08-26
StandardJapan GAAP
ConsolidatedYes
Data checks23 of 24 passed

Amended by S100Z0B0 (2026-09-04).

Key figures · 148
MetricValuePeriodScopeSource row
Revenue¥24.6bn2025-06-01 → 2026-05-31Cons.Net sales
Revenue¥23.7bn2024-06-01 → 2025-05-31Cons.Net sales
Revenue¥22.7bn2023-06-01 → 2024-05-31vCons.Net sales (5-year summary)
Revenue¥19.5bn2022-06-01 → 2023-05-31vCons.Net sales (5-year summary)
Revenue¥17.8bn2021-06-01 → 2022-05-31vCons.Net sales (5-year summary)
Operating income¥2.1bn2025-06-01 → 2026-05-31Cons.Operating income
Operating income¥1.9bn2024-06-01 → 2025-05-31Cons.Operating income
Ordinary income¥2.2bn2025-06-01 → 2026-05-31Cons.Ordinary income
Ordinary income¥2.0bn2024-06-01 → 2025-05-31Cons.Ordinary income
Ordinary income¥1.5bn2023-06-01 → 2024-05-31vCons.Ordinary income loss (5-year summary)
Ordinary income¥887m2022-06-01 → 2023-05-31vCons.Ordinary income loss (5-year summary)
Ordinary income¥1.9bn2021-06-01 → 2022-05-31vCons.Ordinary income loss (5-year summary)
Profit before tax¥2.7bn2025-06-01 → 2026-05-31Cons.Income before income taxes
Profit before tax¥2.6bn2024-06-01 → 2025-05-31Cons.Income before income taxes
Net income (owners)¥1.9bn2025-06-01 → 2026-05-31Cons.Profit loss attributable to owners of parent
Net income (owners)¥1.8bn2024-06-01 → 2025-05-31Cons.Profit loss attributable to owners of parent
Net income (owners)¥706m2023-06-01 → 2024-05-31vCons.Profit loss attributable to owners of parent (5-year summary)
Net income (owners)¥562m2022-06-01 → 2023-05-31vCons.Profit loss attributable to owners of parent (5-year summary)
Net income (owners)¥1.2bn2021-06-01 → 2022-05-31vCons.Profit loss attributable to owners of parent (5-year summary)
Net income¥1.9bn2025-06-01 → 2026-05-31Cons.Profit loss
Net income¥1.8bn2024-06-01 → 2025-05-31Cons.Profit loss
Total assets¥23.8bnat 2026-05-31Cons.Assets
Total assets¥22.6bnat 2025-05-31Cons.Assets
Total assets¥22.7bnat 2024-05-31vCons.Total assets (5-year summary)
Total assets¥23.6bnat 2023-05-31vCons.Total assets (5-year summary)
Total assets¥20.8bnat 2022-05-31vCons.Total assets (5-year summary)
Total liabilities¥7.6bnat 2026-05-31Cons.Liabilities
Total liabilities¥7.8bnat 2025-05-31Cons.Liabilities
Net assets / equity¥16.3bnat 2026-05-31Cons.Net assets
Net assets / equity¥14.8bnat 2025-05-31Cons.Net assets
Net assets / equity¥13.4bnat 2024-05-31vCons.Net assets
Net assets / equity¥13.0bnat 2023-05-31vCons.Net assets (5-year summary)
Net assets / equity¥12.5bnat 2022-05-31vCons.Net assets (5-year summary)
Cash and deposits¥8.4bnat 2026-05-31Cons.Cash and deposits
Cash and deposits¥6.8bnat 2025-05-31Cons.Cash and deposits
Cash & equivalents¥7.9bnat 2026-05-31Cons.Cash and cash equivalents
Cash & equivalents¥6.5bnat 2025-05-31Cons.Cash and cash equivalents
Cash & equivalents¥6.8bnat 2024-05-31vCons.Cash and cash equivalents
Cash & equivalents¥6.7bnat 2023-05-31vCons.Cash and cash equivalents (5-year summary)
Cash & equivalents¥6.1bnat 2022-05-31vCons.Cash and cash equivalents (5-year summary)
Operating cash flow¥2.7bn2025-06-01 → 2026-05-31Cons.Net cash provided by used in operating activities
Operating cash flow¥1.0bn2024-06-01 → 2025-05-31Cons.Net cash provided by used in operating activities
Operating cash flow¥1.3bn2023-06-01 → 2024-05-31vCons.Net cash provided by used in operating activities (5-year summary)
Operating cash flow¥1.1bn2022-06-01 → 2023-05-31vCons.Net cash provided by used in operating activities (5-year summary)
Operating cash flow¥1.6bn2021-06-01 → 2022-05-31vCons.Net cash provided by used in operating activities (5-year summary)
Investing cash flow¥40m2025-06-01 → 2026-05-31Cons.Net cash provided by used in investment activities
Investing cash flow−¥420m2024-06-01 → 2025-05-31Cons.Net cash provided by used in investment activities
Investing cash flow¥102m2023-06-01 → 2024-05-31vCons.Net cash provided by used in investing activities (5-year summary)
Investing cash flow−¥690m2022-06-01 → 2023-05-31vCons.Net cash provided by used in investing activities (5-year summary)
Investing cash flow−¥616m2021-06-01 → 2022-05-31vCons.Net cash provided by used in investing activities (5-year summary)
Financing cash flow−¥1.4bn2025-06-01 → 2026-05-31Cons.Net cash provided by used in financing activities
Financing cash flow−¥946m2024-06-01 → 2025-05-31Cons.Net cash provided by used in financing activities
Financing cash flow−¥1.4bn2023-06-01 → 2024-05-31vCons.Net cash provided by used in financing activities (5-year summary)
Financing cash flow−¥92m2022-06-01 → 2023-05-31vCons.Net cash provided by used in financing activities (5-year summary)
Financing cash flow−¥789m2021-06-01 → 2022-05-31vCons.Net cash provided by used in financing activities (5-year summary)
EPS (basic)¥321.012025-06-01 → 2026-05-31Cons.Basic earnings loss per share (5-year summary)
EPS (basic)¥305.842024-06-01 → 2025-05-31Cons.Basic earnings loss per share (5-year summary)
EPS (basic)¥119.582023-06-01 → 2024-05-31vCons.Basic earnings loss per share (5-year summary)
EPS (basic)¥95.132022-06-01 → 2023-05-31vCons.Basic earnings loss per share (5-year summary)
EPS (basic)¥208.592021-06-01 → 2022-05-31vCons.Basic earnings loss per share (5-year summary)
Net assets per share¥2,744.08at 2026-05-31Cons.Net assets per share (5-year summary)
Net assets per share¥2,499.68at 2025-05-31Cons.Net assets per share (5-year summary)
Net assets per share¥2,267.35at 2024-05-31vCons.Net assets per share (5-year summary)
Net assets per share¥2,179.33at 2023-05-31vCons.Net assets per share (5-year summary)
Net assets per share¥2,121.49at 2022-05-31vCons.Net assets per share (5-year summary)
Equity ratio68.2%at 2026-05-31Cons.Equity to asset ratio (5-year summary)
Equity ratio65.3%at 2025-05-31Cons.Equity to asset ratio (5-year summary)
Equity ratio58.9%at 2024-05-31vCons.Equity to asset ratio (5-year summary)
Equity ratio54.6%at 2023-05-31vCons.Equity to asset ratio (5-year summary)
Equity ratio60.2%at 2022-05-31vCons.Equity to asset ratio (5-year summary)
ROE12.3%2025-06-01 → 2026-05-31Cons.Rate of return on equity (5-year summary)
ROE12.8%2024-06-01 → 2025-05-31Cons.Rate of return on equity (5-year summary)
ROE5.4%2023-06-01 → 2024-05-31vCons.Rate of return on equity (5-year summary)
ROE4.4%2022-06-01 → 2023-05-31vCons.Rate of return on equity (5-year summary)
ROE10.3%2021-06-01 → 2022-05-31vCons.Rate of return on equity (5-year summary)
Employees380at 2026-05-31Cons.Number of employees
Employees400at 2025-05-31Cons.Number of employees
Employees394at 2024-05-31vCons.Number of employees
Employees394at 2023-05-31vCons.Number of employees
Employees339at 2022-05-31vCons.Number of employees
Revenue¥21.1bn2025-06-01 → 2026-05-31StandaloneNet sales
Revenue¥19.9bn2024-06-01 → 2025-05-31StandaloneNet sales
Revenue¥19.1bn2023-06-01 → 2024-05-31vStandaloneNet sales (5-year summary)
Revenue¥18.4bn2022-06-01 → 2023-05-31vStandaloneNet sales (5-year summary)
Revenue¥16.9bn2021-06-01 → 2022-05-31vStandaloneNet sales (5-year summary)
Operating income¥1.8bn2025-06-01 → 2026-05-31StandaloneOperating income
Operating income¥1.6bn2024-06-01 → 2025-05-31StandaloneOperating income
Ordinary income¥2.0bn2025-06-01 → 2026-05-31StandaloneOrdinary income
Ordinary income¥1.7bn2024-06-01 → 2025-05-31StandaloneOrdinary income
Ordinary income¥1.2bn2023-06-01 → 2024-05-31vStandaloneOrdinary income loss (5-year summary)
Ordinary income¥1.0bn2022-06-01 → 2023-05-31vStandaloneOrdinary income loss (5-year summary)
Ordinary income¥1.8bn2021-06-01 → 2022-05-31vStandaloneOrdinary income loss (5-year summary)
Profit before tax¥2.4bn2025-06-01 → 2026-05-31StandaloneIncome before income taxes
Profit before tax¥2.0bn2024-06-01 → 2025-05-31StandaloneIncome before income taxes
Net income¥1.7bn2025-06-01 → 2026-05-31StandaloneProfit loss
Net income¥1.3bn2024-06-01 → 2025-05-31StandaloneProfit loss
Net income¥788m2023-06-01 → 2024-05-31vStandaloneNet income loss (5-year summary)
Net income¥715m2022-06-01 → 2023-05-31vStandaloneNet income loss (5-year summary)
Net income¥1.2bn2021-06-01 → 2022-05-31vStandaloneNet income loss (5-year summary)
Total assets¥21.7bnat 2026-05-31StandaloneAssets
Total assets¥20.5bnat 2025-05-31StandaloneAssets
Total assets¥20.7bnat 2024-05-31vStandaloneTotal assets (5-year summary)
Total assets¥20.6bnat 2023-05-31vStandaloneTotal assets (5-year summary)
Total assets¥19.6bnat 2022-05-31vStandaloneTotal assets (5-year summary)
Total liabilities¥6.8bnat 2026-05-31StandaloneLiabilities
Total liabilities¥6.8bnat 2025-05-31StandaloneLiabilities
Net assets / equity¥14.9bnat 2026-05-31StandaloneNet assets
Net assets / equity¥13.7bnat 2025-05-31StandaloneNet assets
Net assets / equity¥12.7bnat 2024-05-31vStandaloneNet assets
Net assets / equity¥12.2bnat 2023-05-31vStandaloneNet assets (5-year summary)
Net assets / equity¥11.7bnat 2022-05-31vStandaloneNet assets (5-year summary)
Cash and deposits¥6.3bnat 2026-05-31StandaloneCash and deposits
Cash and deposits¥5.0bnat 2025-05-31StandaloneCash and deposits
EPS (basic)¥291.432025-06-01 → 2026-05-31StandaloneBasic earnings loss per share (5-year summary)
EPS (basic)¥226.492024-06-01 → 2025-05-31StandaloneBasic earnings loss per share (5-year summary)
EPS (basic)¥133.462023-06-01 → 2024-05-31vStandaloneBasic earnings loss per share (5-year summary)
EPS (basic)¥121.182022-06-01 → 2023-05-31vStandaloneBasic earnings loss per share (5-year summary)
EPS (basic)¥198.412021-06-01 → 2022-05-31vStandaloneBasic earnings loss per share (5-year summary)
Dividend per share¥772025-06-01 → 2026-05-31StandaloneDividend paid per share (5-year summary)
Dividend per share¥922024-06-01 → 2025-05-31StandaloneDividend paid per share (5-year summary)
Dividend per share¥442023-06-01 → 2024-05-31vStandaloneDividend paid per share (5-year summary)
Dividend per share¥642022-06-01 → 2023-05-31vStandaloneDividend paid per share (5-year summary)
Dividend per share¥282021-06-01 → 2022-05-31vStandaloneDividend paid per share (5-year summary)
Net assets per share¥2,516.81at 2026-05-31StandaloneNet assets per share (5-year summary)
Net assets per share¥2,323.58at 2025-05-31StandaloneNet assets per share (5-year summary)
Net assets per share¥2,154.42at 2024-05-31vStandaloneNet assets per share (5-year summary)
Net assets per share¥2,066.02at 2023-05-31vStandaloneNet assets per share (5-year summary)
Net assets per share¥1,986.14at 2022-05-31vStandaloneNet assets per share (5-year summary)
Equity ratio68.8%at 2026-05-31StandaloneEquity to asset ratio (5-year summary)
Equity ratio66.8%at 2025-05-31StandaloneEquity to asset ratio (5-year summary)
Equity ratio61.5%at 2024-05-31vStandaloneEquity to asset ratio (5-year summary)
Equity ratio59.2%at 2023-05-31vStandaloneEquity to asset ratio (5-year summary)
Equity ratio60.0%at 2022-05-31vStandaloneEquity to asset ratio (5-year summary)
ROE12.0%2025-06-01 → 2026-05-31StandaloneRate of return on equity (5-year summary)
ROE10.1%2024-06-01 → 2025-05-31StandaloneRate of return on equity (5-year summary)
ROE6.3%2023-06-01 → 2024-05-31vStandaloneRate of return on equity (5-year summary)
ROE6.0%2022-06-01 → 2023-05-31vStandaloneRate of return on equity (5-year summary)
ROE10.4%2021-06-01 → 2022-05-31vStandaloneRate of return on equity (5-year summary)
Shares issued5,943,000at 2026-05-31StandaloneTotal number of issued shares (5-year summary)
Shares issued5,943,000at 2025-05-31StandaloneTotal number of issued shares (5-year summary)
Shares issued5,943,000at 2024-05-31vStandaloneTotal number of issued shares (5-year summary)
Shares issued5,943,000at 2023-05-31vStandaloneTotal number of issued shares (5-year summary)
Shares issued5,943,000at 2022-05-31vStandaloneTotal number of issued shares (5-year summary)
Employees242at 2026-05-31StandaloneNumber of employees
Employees242at 2025-05-31StandaloneNumber of employees
Employees239at 2024-05-31vStandaloneNumber of employees
Employees239at 2023-05-31vStandaloneNumber of employees
Employees231at 2022-05-31vStandaloneNumber 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 · 38
SegmentItemPeriodValue
Chemical Businessreportable segmentcapex2025-06-01 → 2026-05-31¥525m
Chemical Businessreportable segmentdepreciation2025-06-01 → 2026-05-31¥496m
Chemical Businessreportable segmentemployeesat 2026-05-31360 pure
Chemical Businessreportable segmentrevenue2025-06-01 → 2026-05-31¥23.3bn
Chemical Businessreportable segmentrevenue external2025-06-01 → 2026-05-31¥23.3bn
Chemical Businessreportable segmentsegment assetsat 2026-05-31¥22.0bn
Chemical Businessreportable segmentsegment profit2025-06-01 → 2026-05-31¥1.9bn
Healthcare Businessreportable segmentcapex2025-06-01 → 2026-05-31¥4m
Healthcare Businessreportable segmentdepreciation2025-06-01 → 2026-05-31¥35m
Healthcare Businessreportable segmentemployeesat 2026-05-3120 pure
Healthcare Businessreportable segmentrevenue2025-06-01 → 2026-05-31¥1.4bn
Healthcare Businessreportable segmentrevenue external2025-06-01 → 2026-05-31¥1.4bn
Healthcare Businessreportable segmentsegment assetsat 2026-05-31¥1.9bn
Healthcare Businessreportable segmentsegment profit2025-06-01 → 2026-05-31¥212m
—segment totalcapex2025-06-01 → 2026-05-31¥529m
—segment totaldepreciation2025-06-01 → 2026-05-31¥531m
—segment totalrevenue2025-06-01 → 2026-05-31¥24.6bn
—segment totalrevenue external2025-06-01 → 2026-05-31¥24.6bn
—segment totalsegment assetsat 2026-05-31¥23.8bn
—segment totalsegment profit2025-06-01 → 2026-05-31¥2.1bn
Chemical Businessreportable segmentcapex2024-06-01 → 2025-05-31¥442m
Chemical Businessreportable segmentdepreciation2024-06-01 → 2025-05-31¥497m
Chemical Businessreportable segmentrevenue2024-06-01 → 2025-05-31¥22.2bn
Chemical Businessreportable segmentrevenue external2024-06-01 → 2025-05-31¥22.2bn
Chemical Businessreportable segmentsegment assetsat 2025-05-31¥20.7bn
Chemical Businessreportable segmentsegment profit2024-06-01 → 2025-05-31¥1.6bn
Healthcare Businessreportable segmentcapex2024-06-01 → 2025-05-31¥9m
Healthcare Businessreportable segmentdepreciation2024-06-01 → 2025-05-31¥36m
Healthcare Businessreportable segmentrevenue2024-06-01 → 2025-05-31¥1.5bn
Healthcare Businessreportable segmentrevenue external2024-06-01 → 2025-05-31¥1.5bn
Healthcare Businessreportable segmentsegment assetsat 2025-05-31¥1.8bn
Healthcare Businessreportable segmentsegment profit2024-06-01 → 2025-05-31¥278m
—segment totalcapex2024-06-01 → 2025-05-31¥451m
—segment totaldepreciation2024-06-01 → 2025-05-31¥533m
—segment totalrevenue2024-06-01 → 2025-05-31¥23.7bn
—segment totalrevenue external2024-06-01 → 2025-05-31¥23.7bn
—segment totalsegment assetsat 2025-05-31¥22.6bn
—segment totalsegment profit2024-06-01 → 2025-05-31¥1.9bn

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

All source rows · 1,587
ItemContextValueUnit
Independent auditors report consolidated (text)FilingDateInstantText · Plus
Audit firm1 consolidatedFilingDateInstant
Original text (Japanese)仰 星 監 査 法 人
Cpa1 audit firm1 consolidatedFilingDateInstant
Original text (Japanese)許  仁九
Cpa2 audit firm1 consolidatedFilingDateInstant
Original text (Japanese)濵田 善彦
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)株式会社ニイタカの売上高の実在性及び期間帰属の適切性
Description including reason kam consolidated (text)FilingDateInstant_Row1MemberText · Plus
Reference kam consolidatedFilingDateInstant_Row1Member
Original text (Japanese)注記事項「(連結財務諸表作成のための基本となる重要な事項)4.会計方針に関する事項(5)重要な収益及び費用の計上基準
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)仰 星 監 査 法 人
Cpa1 audit firm1 non consolidatedFilingDateInstant
Original text (Japanese)許  仁九
Cpa2 audit firm1 non consolidatedFilingDateInstant
Original text (Japanese)濵田 善彦
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)売上高の実在性及び期間帰属の適切性
Same as kam for consolidated fskam 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)Prior4YearDuration17792438000JPY
Net sales (5-year summary)Prior3YearDuration19504189000JPY
Net sales (5-year summary)Prior2YearDuration22739125000JPY
Net sales (5-year summary)Prior1YearDuration23714867000JPY
Net sales (5-year summary)CurrentYearDuration24619486000JPY
Ordinary income loss (5-year summary)Prior4YearDuration1855513000JPY
Ordinary income loss (5-year summary)Prior3YearDuration886965000JPY
Ordinary income loss (5-year summary)Prior2YearDuration1500207000JPY
Ordinary income loss (5-year summary)Prior1YearDuration1953809000JPY
Ordinary income loss (5-year summary)CurrentYearDuration2217311000JPY
Profit loss attributable to owners of parent (5-year summary)Prior4YearDuration1231410000JPY
Profit loss attributable to owners of parent (5-year summary)Prior3YearDuration561584000JPY
Profit loss attributable to owners of parent (5-year summary)Prior2YearDuration705938000JPY
Profit loss attributable to owners of parent (5-year summary)Prior1YearDuration1805495000JPY
Profit loss attributable to owners of parent (5-year summary)CurrentYearDuration1900463000JPY
Comprehensive income (5-year summary)Prior4YearDuration1390834000JPY
Comprehensive income (5-year summary)Prior3YearDuration613217000JPY
Comprehensive income (5-year summary)Prior2YearDuration829241000JPY
Comprehensive income (5-year summary)Prior1YearDuration1737581000JPY
Comprehensive income (5-year summary)CurrentYearDuration1989768000JPY
Net assets (5-year summary)Prior4YearInstant12524137000JPY
Net assets (5-year summary)Prior3YearInstant12970738000JPY
Net assets (5-year summary)Prior2YearInstant13385165000JPY
Net assets (5-year summary)Prior1YearInstant14756733000JPY
Net assets (5-year summary)CurrentYearInstant16268055000JPY

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 · 23 of 24 passed
balance sheet identityconsolidated 2025-05-31pass rounding
balance sheet identityconsolidated 2026-05-31pass rounding
balance sheet identitynon_consolidated 2025-05-31pass rounding
balance sheet identitynon_consolidated 2026-05-31pass rounding
dei present pass
period resolution partial
statement vs summary · net assetsconsolidated 2024-05-31pass
statement vs summary · net assetsconsolidated 2025-05-31pass
statement vs summary · net assetsconsolidated 2026-05-31pass
statement vs summary · net assetsnon_consolidated 2024-05-31pass
statement vs summary · net assetsnon_consolidated 2025-05-31pass
statement vs summary · net assetsnon_consolidated 2026-05-31pass
statement vs summary · net income attributable to parentconsolidated 2024-06-01/2025-05-31pass
statement vs summary · net income attributable to parentconsolidated 2025-06-01/2026-05-31pass
statement vs summary · operating cash flowconsolidated 2024-06-01/2025-05-31pass
statement vs summary · operating cash flowconsolidated 2025-06-01/2026-05-31pass
statement vs summary · revenueconsolidated 2024-06-01/2025-05-31pass
statement vs summary · revenueconsolidated 2025-06-01/2026-05-31pass
statement vs summary · revenuenon_consolidated 2024-06-01/2025-05-31pass
statement vs summary · revenuenon_consolidated 2025-06-01/2026-05-31pass
statement vs summary · total assetsconsolidated 2025-05-31pass
statement vs summary · total assetsconsolidated 2026-05-31pass
statement vs summary · total assetsnon_consolidated 2025-05-31pass
statement vs summary · total assetsnon_consolidated 2026-05-31pass