株式会社水興社
Tokyo, Japan
Active| Registration number | T8010601003574 |
|---|---|
| Type | Corporation |
| Registered name | 株式会社水興社 |
| Address | 東京都江東区深川２丁目８番１６号 2-8-16 Fukagawa, Koto-ku, Tokyo 135-0033, JAPAN |
| Corporate number | 8010601003574 |
| 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) |
|---|---|
| Representative | 代表取締役 山本 昌洋 |
| Reading (furigana) | スイコウシャ |
| Reading (romaji) | Suikosha |
| English name (unofficial) | Suikosha |
| Postal code | 135-0033 |
Source: NTA Corporate Number Publication Site, refreshed daily. Representative: gBizINFO (METI, monthly).
Company profile (gBizINFO)
| Incorporated | 1953-10-19 |
|---|
Source: gBizINFO (METI), refreshed monthly — edited extract by LoreaTec. Figures are as filed by each company.
Government contract awards (GEPS)
11 national government awards on record between 2019-04-16 and 2026-04-16.
| 2026-04-16 | FY2026 Wadakura Fountain Facility Maintenance Management Services in Kokyogaien National G 令和８年度皇居外苑和田倉噴水施設保守管理業務 |
|---|---|
| 2026-02-16 | 令和７年度皇居外苑濠水浄化施設保守清掃業務 |
| 2025-03-31 | 令和７年度皇居外苑和田倉噴水施設保守管理業務 |
| 2024-11-14 | 令和６年度皇居外苑浄化施設改修工事（再度公告） |
| 2024-04-16 | 令和６年度皇居外苑和田倉噴水施設保守管理業務 |
Full award history on Japan Tenders →
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 2025–2025; total ¥45.8M).
| 2025 FY2024 | 自然公園等事業費等 ¥45.8M （環境省） 工事の実施及び工事に係る調査・設計、維持管理運営 |
|---|
Contract details (excerpt): 令和６年度皇居外苑浄化施設改修工事 ¥38.0M・一般競争契約（最低価格） · bidders 1 ／ 令和６年度皇居外苑和田倉噴水施設保守管理業務 ¥6.5M・一般競争契約（最低価格） · bidders 1 ／ 和田倉噴水施設防藻装置電極購入 ¥1.2M・随意契約（少額） · bidders 3 ／ その他 ¥121,000・随意契約（少額）
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)
| 2023-03-31 | 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/t8010601003574) — Source: National Tax Agency corporate-number and qualified-invoice registries. Retrieved 2026-11-09.
Reuse and AI use allowed with attribution. AI content licence