株式会社コーヤマ
Tokyo, Japan
Active| Registration number | T5010001016709 |
|---|---|
| Type | Corporation |
| Registered name | 株式会社コーヤマ |
| Address | 東京都千代田区神田三崎町２丁目１６番９号 2-16-9 Kandamisakicho, Chiyoda-ku, Tokyo 101-0061, JAPAN |
| Corporate number | 5010001016709 |
| 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) |
|---|---|
| Reading (furigana) | コーヤマ |
| Reading (romaji) | Koyama |
| English name (unofficial) | Koyama K.K. |
| Postal code | 101-0061 |
Source: NTA Corporate Number Publication Site, refreshed daily.
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 ¥312,543).
| 2025 FY2024 | 駐留軍等労働者の労務管理 ¥165,704 （防衛省） 永年勤続表彰／・表彰状／・副賞 |
|---|---|
| 2024 FY2023 | 駐留軍等労働者の労務管理 ¥146,839 （防衛省） 永年勤続表彰／・表彰状／・副賞 |
Contract details (excerpt): 永年勤続表彰状の浄書の調達 ¥165,704・随意契約（少額） · bidders 4 ／ 永年勤続表彰状の浄書の調達 ¥146,839・随意契約（少額） · bidders 4
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
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How to cite this page
Data via LoreaTec BizSearch (https://bizsearch.loreatec.jp/t5010001016709) — Source: National Tax Agency corporate-number and qualified-invoice registries. Retrieved 2026-09-21.
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