Latest results FY2026 · Prices updated Oct 30, 2026
HQ: Shinjuku, TokyoFounded 18982,740 employeesWebsite
A major Japanese general contractor with particular strengths in tunnels and mountain civil engineering. Its business spans civil engineering, construction, and overseas projects.
Business segments (share of revenue)
Latest results
FY2026
vs. same period a year earlier
Company forecastFY2027
| Segment | Share | Revenue | Operating profit | Margin |
|---|---|---|---|---|
| Building Construction Business | 51% | ¥257.1B | ¥14.2B | 5.5% |
| Subsidiary Operations | 25% | ¥126.3B | ¥7.1B | 5.6% |
| Civil Engineering Business | 23% | ¥116.0B | ¥6.1B | 5.2% |
Close (Oct 30, 2026)
¥1,240-8.1% (1Y)
Kumagai Gumi -8.1% over 1Y, 12.4pt below the industry average (59 companies, +4.3%).
Reference chart of daily closing prices, not real-time quotes (split-adjusted; weekly closes before the last year). Updated Oct 30, 2026.
| Period | Revenue | Op. profit | Net income | Total assets | Revenue YoY |
|---|---|---|---|---|---|
| 2026FY | ¥487.7B | ¥27.1B | ¥20.1B | ¥448.9B | — |
Sources: annual securities reports, earnings releases and other public disclosures (Mar 2026)
Data may contain input errors. For reference only; we accept no responsibility for its accuracy.
