株式会社小菅建築所
Kanagawa, Japan
Active| Registration number | T1021001040313 |
|---|---|
| Type | Corporation |
| Registered name | 株式会社小菅建築所 |
| Address | 神奈川県横須賀市久里浜３丁目３６番３号 3-36-3 Kurihama, Yokosuka-shi, Kanagawa 239-0831, JAPAN |
| Corporate number | 1021001040313 |
| 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) |
|---|---|
| English name (unofficial) | Kosuge Architectural Office |
| Postal code | 239-0831 |
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 (1 lines, sheet years 2025–2025; total ¥1.4M).
| 2025 FY2024 | 港湾・空港関連施設整備費 ¥1.4M （国土交通省） 施設の維持補修等 |
|---|
Contract details (excerpt): 国総研（第二庁舎）内装等改修工事 ¥564,000・随意契約（少額） · bidders 2 ／ 国総研（第二庁舎）手すり舗装等改修工事 ¥403,000・随意契約（少額） · bidders 2 ／ 国総研（第二庁舎）建具緊急修理 ¥289,000・随意契約（少額） · bidders 1 ／ 国総研（横須賀庁舎）シャワー改修 ¥95,000・随意契約（少額） · bidders 2
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)
| Construction business license Building construction works・Scaffolding & earthworks・Roofing wo… ／ General contractor・Kanagawa Governor license No. 008637 （Kanagawa） | |
| 2021-04-01 | 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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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/t1021001040313) — Source: National Tax Agency corporate-number and qualified-invoice registries. Retrieved 2026-09-22.
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