株式会社セイワビジネス
Tokyo, Japan
Active| Registration number | T2011102026087 |
|---|---|
| Type | Corporation |
| Registered name | 株式会社セイワビジネス |
| Address | 東京都港区虎ノ門２丁目６番１号 2-6-1 Toranomon, Minato-ku, Tokyo 105-0001, JAPAN |
| Corporate number | 2011102026087 |
| Corporate number assigned on | 2015-10-05 |
| Invoice registered on | 2023-10-01 |
| Record last updated | 2024-07-23 |
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 美樹子 |
| Reading (furigana) | セイワビジネス |
| Reading (romaji) | Seiwabijinesu |
| English name (unofficial) | Seiwa Business |
| Postal code | 105-0001 |
Source: NTA Corporate Number Publication Site, refreshed daily. Representative: gBizINFO (METI, monthly).
Company profile (gBizINFO)
| Incorporated | 2004-12-24 |
|---|
Source: gBizINFO (METI), refreshed monthly — edited extract by LoreaTec. Figures are as filed by each company.
Timeline — registry changes
| 2024-02-01 | Head-office address changed (Japan) |
|---|
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)
11 national government awards on record between 2021-09-10 and 2026-08-07.
| 2026-08-07 | Purchase of multi-function pens and others (Category 1) 多機能ペン等の購入（区分１） |
|---|---|
| 2026-07-17 | Purchase of 2 external HDDs and 82 other items 外付けＨＤＤ２台他８２点の購入 |
| 2026-06-02 | Procurement of office desks 執務用机の調達 |
| 2025-08-01 | Purchase of ballpoint pens and other items (Category 1) ボールペン等の購入（区分１） |
| 2024-02-21 | Purchase of wireless LAN adapters and others 無線LANアダプタ等の購入 |
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 2024–2024; total ¥3.5M).
| 2024 FY2023 | 国税庁の広報活動経費 ¥3.5M （国税庁） ・国税庁ホームページへの誘引を目的とした新聞およびインターネット広告費用／・納税功労者表彰、中学生・高校生の「税についての作文」及び租税教育推進校等の表彰に係る経費 等 |
|---|
Contract details (excerpt): 中学生の「税についての作文」表彰副賞費（国税局長賞）／※ボールペン等の購入（区分１） ¥3.5M・一般競争契約（最低価格） · 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 →
Verify in official sources
How to cite this page
Data via LoreaTec BizSearch (https://bizsearch.loreatec.jp/t2011102026087) — Source: National Tax Agency corporate-number and qualified-invoice registries. Retrieved 2026-11-08.
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