合同会社こつこつ
Tokyo, Japan
Active| Registration number | T4010403020961 |
|---|---|
| Type | Corporation |
| Registered name | 合同会社こつこつ |
| Address | 東京都港区芝５丁目３６番４号札ノ辻スクエア９階 札ノ辻スクエア9階, 5-36-4 Shiba, Minato-ku, Tokyo 105-0014, JAPAN |
| Corporate number | 4010403020961 |
| Corporate number assigned on | 2019-06-28 |
| Invoice registered on | 2026-06-09 |
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 | Godo Kaisha (LLC) |
|---|---|
| Reading (furigana) | コツコツ |
| Reading (romaji) | Kotsukotsu |
| English name (unofficial) | Kotsukotsu G.K. |
| Postal code | 108-0014 |
Source: NTA Corporate Number Publication Site, refreshed daily.
Government contract awards (GEPS)
1 national government awards on record between 2023-12-12 and 2023-12-12.
| 2023-12-12 | 令和５年度食産業の戦略的海外展開支援委託事業（東アフリカ地域における消費実態調査及び漁獲状況調査） |
|---|
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 ¥2.0M).
| 2025 FY2024 | 技術協力活用型・新興国市場開拓事業 ¥2.0M （経済産業省） 「社会課題解決型国際共同開発事業」の実施（間接補助先） |
|---|
Contract details (excerpt): 社会課題解決型国際共同開発事業の実施 ¥2.0M・補助金等交付 · bidders 0
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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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/t4010403020961) — Source: National Tax Agency corporate-number and qualified-invoice registries. Retrieved 2026-09-24.
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