株式会社西海建設
Nagasaki, Japan
Active| Registration number | T2310001000619 |
|---|---|
| Type | Corporation |
| Registered name | 株式会社西海建設 |
| Address | 長崎県長崎市興善町2番8号 2-8 Kozemmachi, Nagasaki-shi, Nagasaki 850-0032, JAPAN |
| Corporate number | 2310001000619 |
| Corporate number assigned on | 2015-10-05 |
| Invoice registered on | 2023-10-01 |
Invoice registration date = when the T-number took effect, not the founding date.
Corporate registry record
| Entity type | Kabushiki Kaisha (stock company) |
|---|---|
| Reading (furigana) | サイカイケンセツ |
| Reading (romaji) | Saikaikensetsu |
| English name (unofficial) | Saikai Kensetsu |
| Postal code | 850-0032 |
Source: NTA Corporate Number Publication Site, refreshed daily.
Company profile (gBizINFO)
| Business lines | D:建設業 |
|---|---|
| Employees | 202 |
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 2 programmes (3 lines, sheet years 2024–2025; total ¥725.3M).
| 2025 FY2024 | 水産基盤整備事業(直轄) ¥173.7M (水産庁) 水産資源の生産力を向上させ、水産物の安定供給の確保を図るため、保護礁及び増殖礁等の整備(フロンティア漁場整備事業)を実施。 |
|---|---|
| 2024 FY2023 | 海岸事業(農地) ¥400.2M (農林水産省) 若築建設株式会社九州支店/319,550千円/他43件 |
| 2024 FY2023 | 水産基盤整備事業(直轄) ¥151.4M (水産庁) 水産資源の生産力を向上させ、水産物の安定供給の確保を図るため、保護礁及び増殖礁等の整備(フロンティア漁場整備事業)を実施。 |
Contract details (excerpt): 対馬海峡地区マウンド礁のブロックの製作(その2) ¥173.7M・一般競争契約(総合評価) · bidders 1 / ・工事の実施 ¥252.9M・一般競争契約(総合評価) · bidders 6 / マウンド礁ブロックの製作 ¥151.4M・一般競争契約(総合評価) · bidders 3 / ・工事の実施 ¥147.3M・一般競争契約(総合評価) · bidders 9
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
How to cite this page
Data via LoreaTec BizSearch (https://bizsearch.loreatec.jp/t2310001000619) — Source: National Tax Agency corporate-number and qualified-invoice registries. Retrieved 2026-11-08.
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