株式会社オープンアップシステム
Tokyo, Japan
Active| Registration number | T3011101060004 |
|---|---|
| Type | Corporation |
| Registered name | 株式会社オープンアップシステム |
| Address | 東京都港区東新橋２丁目１４番１号 2-14-1 Higashishimbashi, Minato-ku, Tokyo 105-0021, JAPAN |
| Corporate number | 3011101060004 |
| Corporate number assigned on | 2015-10-05 |
| Invoice registered on | 2023-10-01 |
| Record last updated | 2024-12-11 |
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 籏持 正彌 |
| Reading (furigana) | オープンアップシステム |
| Reading (romaji) | Opun'appushisutemu |
| English name (unofficial) | Open Up System |
| Postal code | 105-0021 |
Source: NTA Corporate Number Publication Site, refreshed daily. Representative: gBizINFO (METI, monthly).
Company profile (gBizINFO)
| Business lines | R:サービス業（他に分類されないもの） |
|---|---|
| Employees | 301 （male 492 / female 161） |
| Incorporated | 1996-12-02 |
Source: gBizINFO (METI), refreshed monthly — edited extract by LoreaTec. Figures are as filed by each company.
Timeline — registry changes
| 2025-07-03 | Merger — absorbed another company |
|---|
Source: daily change files of the NTA Corporate Number Publication Site. Before 2023-08-16 only the latest change is known. All company events →
Government contract awards (GEPS)
6 national government awards on record between 2016-09-30 and 2021-12-08.
| 2021-12-08 | 水路通報統合データベースプログラム改修 |
|---|---|
| 2021-12-06 | 広報啓発用アプリ「竹島アプリ」の改修業務 |
| 2021-06-08 | 裁決要旨検索システムの改修及び移行等業務の委託 |
| 2021-03-05 | ＳＮＡ統計表読込みシステム開発業務 |
| 2020-11-17 | オンライン漂流予測プログラム改修 |
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 (2 lines, sheet years 2024–2025; total ¥2.0M).
| 2025 FY2024 | 日韓関連経費 ¥856,000 （外務省） 領土・歴史問題等特別調査費 |
|---|---|
| 2024 FY2023 | 日韓関連経費 ¥1.2M （外務省） |
Contract details (excerpt): 竹島アプリ年間保守管理 ¥856,000・随意契約（その他） · bidders 1 ／ 竹島アプリ年間保守契約 ¥793,000・随意契約（その他） · bidders 0 ／ 竹島アプリ改修契約 ¥385,000・随意契約（その他） · 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
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/t3011101060004) — Source: National Tax Agency corporate-number and qualified-invoice registries. Retrieved 2026-09-24.
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