株式会社ケーオーエンジニアリング
Chiba, Japan
Active| Registration number | T2040001067990 |
|---|---|
| Type | Corporation |
| Registered name | 株式会社ケーオーエンジニアリング |
| Address | 千葉県我孫子市白山２丁目７番１９号 2-7-19 Hakusan, Abiko-shi, Chiba 270-1154, JAPAN |
| Corporate number | 2040001067990 |
| Corporate number assigned on | 2015-10-05 |
| Invoice registered on | 2023-10-01 |
The invoice registration date is when the qualified-invoice-issuer registration (T-number) took effect — it is not the date the company was founded, and it resets only if the business re-registers after revocation or expiry.
Corporate registry record
| Entity type | Kabushiki Kaisha (stock company) |
|---|---|
| Representative | 代表取締役 小栗 隼人 |
| Reading (furigana) | ケーオーエンジニアリング |
| Reading (romaji) | Keoenjiniaringu |
| English name (unofficial) | KO Engineering K.K. |
| Postal code | 277-0871 |
Source: NTA Corporate Number Publication Site, refreshed daily. Representative: gBizINFO (METI, monthly).
Company profile (gBizINFO)
| Incorporated | 1990-09-05 |
|---|
Source: gBizINFO (METI), refreshed monthly — edited extract by LoreaTec. Figures are as filed by each company.
Timeline — registry changes
| 2025-09-03 | Head-office address changed (Japan) |
|---|
Source: daily change files of the NTA Corporate Number Publication Site. Before 2023-08-16 only the latest change is known. All company events →
Government contract awards (GEPS)
No public national-government (GEPS) award records for this company in the open data (FY2013 to date).
出典：調達ポータル（https://www.p-portal.go.jp/）
Payments from national budget programmes (行政事業レビュー)
Ministry review sheets report this company as a payee of 1 programme (2 lines, sheet years 2024–2025; total ¥10.9M).
| 2025 FY2024 | 環境モニタリング調査 ¥4.8M （復興庁） 試料採取作業等 |
|---|---|
| 2024 FY2023 | 環境モニタリング調査 ¥6.1M （復興庁） 試料採取作業 |
Contract details (excerpt): 令和６年度公共用水域放射性物質モニタリング調査業務 ¥4.8M・その他 ／ 試料採取作業 ¥6.1M・随意契約（その他）
Source: 行政事業レビュー見える化サイト (Cabinet Secretariat, PDL 1.0) — edited extract by LoreaTec. A sheet year describes the previous fiscal year’s spending. Programme database →
Verify in official sources
Doing due diligence on this supplier?
Verifying the invoice number is step one. Our guide covers the full checklist: corporate registry, licenses, and import/export standing.
How to cite this page
Data via LoreaTec BizSearch (https://bizsearch.loreatec.jp/t2040001067990) — Source: National Tax Agency corporate-number and qualified-invoice registries. Retrieved 2026-09-21.
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