公成建設株式会社
Kyoto, Japan
Active| Registration number | T2130001017235 |
|---|---|
| Type | Corporation |
| Registered name | 公成建設株式会社 |
| Address | 京都府京都市下京区五条通西洞院西入小柳町５１８番地 五条通西洞院西入小柳町518番地, Kyoto-shi Shimogyo-ku, Kyoto, JAPAN |
| Corporate number | 2130001017235 |
| 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) | コウセイケンセツ |
| Reading (romaji) | Koseikensetsu |
| English name (unofficial) | Kosei Construction |
| Postal code | 600-0000 |
Source: NTA Corporate Number Publication Site, refreshed daily.
Company profile (gBizINFO)
| Business summary | 総合建設業 |
|---|---|
| Business lines | D:建設業 |
| Employees | 115 （male 105 / female 10） |
| Website | kohseiconst.com/ |
Source: gBizINFO (METI), refreshed monthly — edited extract by LoreaTec. Figures are as filed by each company.
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 (1 lines, sheet years 2024–2024; total ¥353.2M).
| 2024 FY2023 | 都市水環境整備事業 ¥353.2M （国土交通省） 調査・測量・設計業務・工事 |
|---|
Contract details (excerpt): 河道掘削工事 ¥353.2M・一般競争契約（総合評価） · bidders 8
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 →
Licenses, registrations & certifications (gBizINFO)
| 2023-03-28 | Government bidding qualification (統一資格) 企業 ／ 施設課経理係 （Ministry of Justice） |
|---|---|
| 2021-04-01 | Government bidding qualification (統一資格) 企業 ／ 施設課経理係 （Ministry of Justice） |
| 2019-04-01 | Government bidding qualification (統一資格) 企業 ／ 施設課経理係 （Ministry of Justice） |
Source: gBizINFO (METI) notifications & certifications dataset, refreshed monthly. Some licenses (e.g. construction 建設業許可, electrician registrations) are not part of the gBizINFO dataset.
Verify in official sources
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How to cite this page
Data via LoreaTec BizSearch (https://bizsearch.loreatec.jp/t2130001017235) — Source: National Tax Agency corporate-number and qualified-invoice registries. Retrieved 2026-09-23.
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