TosohTOSOH CORPORATION4042東証プライム化学FY ending Mar 2026, consolidated, J-GAAP

Which Tosoh businesses make the profit?

Revenue by business segment, and the profit each one keeps.

Revenue by geography

Geographic revenue reported in annual filings

No geographic revenue breakdown was disclosed.

※ Segment figures include inter-segment sales and do not sum to the company total

Revenue and profit mix

FY ending Mar 2026

Revenue mix

Profit mix (profitable segments)

Chlor-alkali accounts for 34% of revenue and 2% of profit.

  • Engineering
    Revenue 18.3%Profit 42.3%Difference +24.0 ptMargin 21.7%Plant Engineering & Building Services
  • Specialty
    Revenue 26.8%Profit 41.8%Difference +15.0 ptMargin 14.6%Chemicals
  • Other
    Revenue 4.4%Profit 3.8%Difference -0.7 ptMargin 8.0%
  • Petrochemical
    Revenue 16.6%Profit 10.2%Difference -6.5 ptMargin 5.7%Chemicals
  • Chlor-alkali
    Revenue 33.9%Profit 2.0%Difference -31.9 ptMargin 0.6%Chemicals

Calculated from disclosed figures; listed by margin. Difference = profit share − revenue share (percentage points). Segment revenues may include inter-segment sales and may not sum to company revenue.

Business growth × margin

X-axis: segment revenue CAGR. Y-axis: latest operating margin. Bubble size: revenue.

Bubble size represents latest revenue. Segments without a CAGR are placed at the left edge; their horizontal position is not a growth value. Color indicates positive or negative margin.

Segment history (JPY millions)

SegmentRevenue CAGRFY ending Mar 2022FY ending Mar 2023FY ending Mar 2024FY ending Mar 2025FY ending Mar 2026
Petrochemical+5.3%5y177,1858.8%206,1015.9%183,6155.8%204,7547.0%169,7405.7%
Chlor-alkali+4.7%5y361,62319.2%406,388-2.6%359,5081.0%373,4392.5%345,9670.6%
Specialty+8.6%5y226,21919.2%270,79519.3%259,64214.6%270,46014.3%272,85814.6%
Engineering+11.9%5y116,29410.6%138,11313.0%156,97215.7%169,32219.9%186,41221.7%
Other+2.5%5y37,2578.2%42,9776.7%45,9016.3%45,4056.4%44,9388.0%

Top: revenue. Bottom: operating margin.

Sources

Show source documents (6)
  • EDINET (FSA Japan)

    有価証券報告書-第127期(2025/04/01-2026/03/31)

    ID S100YE5Q2026-06-24Open
  • EDINET (FSA Japan)

    有価証券報告書-第126期(2024/04/01-2025/03/31)

    ID S100VWX12025-06-25Open
  • EDINET (FSA Japan)

    有価証券報告書-第125期(2023/04/01-2024/03/31)

    ID S100TO2P2024-06-21Open
  • EDINET (FSA Japan)

    有価証券報告書-第124期(2022/04/01-2023/03/31)

    ID S100R1JA2023-06-23Open
  • EDINET (FSA Japan)

    有価証券報告書-第123期(令和3年4月1日-令和4年3月31日)

    ID S100ODLJ2022-06-24Open
  • EDINET (FSA Japan)

    有価証券報告書-第122期(令和2年4月1日-令和3年3月31日)

    ID S100LONS2021-06-25Open

Extracted from XBRL: 54 / Derived from other figures: 1

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