アップストリームジャパン株式会社
Tokyo, Japan
Active| Registration number | T3012301011291 |
|---|---|
| Type | Corporation |
| Registered name | アップストリームジャパン株式会社 |
| Address | 東京都中央区日本橋３丁目１４番１号 3-14-1 Nihombashi, Chuo-ku, Tokyo 103-0027, JAPAN |
| Corporate number | 3012301011291 |
| Corporate number assigned on | 2018-02-13 |
| 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) |
|---|---|
| Representative | 代表取締役 松島 正明 |
| Reading (furigana) | アップストリームジャパン |
| Reading (romaji) | Appusutorimujapan |
| English name (unofficial) | Upstream Japan |
| Postal code | 103-0027 |
Source: NTA Corporate Number Publication Site, refreshed daily. Representative: gBizINFO (METI, monthly).
Company profile (gBizINFO)
| Business summary | ITインフラの設計・構築・運用保守、業務システムの開発 |
|---|---|
| Business lines | G:情報通信業 |
| Employees | 11 （male 10 / female 1） |
| Incorporated | 2018-02-07 |
| Website | www.upstream-j.co.jp/ |
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 ¥353.5M).
| 2024 FY2023 | デジタル基盤整備事業（うち独立行政法人情報処理推進機構運営費交付金） ¥353.5M （経済産業省） 【総合評価入札】／〔請負、委託〕／情報セキュリティ対策の推進、情報システムの信頼性の向上、高度ＩＴ人材の育成、機構の業務運営に必要な運営費、機構内情報システムの維持管理に必要な運営 |
|---|
Contract details (excerpt): IPAシステム統合運用管理業務 ¥353.5M・一般競争契約（総合評価） · bidders 1
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)
| 2026-07-13 | Business Continuity Enhancement Plan certification （SME Agency） |
|---|
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
Doing due diligence on this supplier?
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/t3012301011291) — Source: National Tax Agency corporate-number and qualified-invoice registries. Retrieved 2026-09-24.
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