コセキ株式会社
Miyagi, Japan
Active| Registration number | T6370001008033 |
|---|---|
| Type | Corporation |
| Registered name | コセキ株式会社 |
| Address | 宮城県仙台市青葉区中央３丁目４番１２号 3-4-12 Chuo, Sendai-shi Aoba-ku, Miyagi 980-0021, JAPAN |
| Corporate number | 6370001008033 |
| Corporate number assigned on | 2015-10-05 |
| Invoice registered on | 2023-10-01 |
| Record last updated | 2026-06-15 |
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 小関 正剛 |
| Reading (furigana) | コセキ |
| Reading (romaji) | Koseki |
| English name (unofficial) | Koseki |
| Postal code | 980-0021 |
Source: NTA Corporate Number Publication Site, refreshed daily. Representative: gBizINFO (METI, monthly).
Company profile (gBizINFO)
| Business summary | 医療機器他専門商社 |
|---|---|
| Business lines | I:卸売業、小売業 |
| Employees | 190 |
| Incorporated | 1948-10-15 |
Source: gBizINFO (METI), refreshed monthly — edited extract by LoreaTec. Figures are as filed by each company.
Timeline — registry changes
| 2026-04-14 | 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)
8 national government awards on record between 2016-10-26 and 2026-07-07.
| 2026-07-07 | 【東北管区警察局】ヘッドセット用イヤースポンジほか購入 |
|---|---|
| 2025-02-27 | 【東北管区警察局】SDカードリーダーライターほか購入 |
| 2022-12-12 | 福島刑務支所一般X線撮影装置等更新整備契約 |
| 2021-10-21 | コンピュータ・ラジオグラフィー装置一式供給契約 |
| 2020-10-07 | 令和２年度盛岡少年院体育館音響システム更新整備一式供給契約 |
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 ¥94,000).
| 2024 FY2023 | 事件記録データ等管理システム（仮）（情報通信技術調達等適正・効率化推進費） ¥94,000 （デジタル庁） 事件記録データ等管理システム（仮）の整備に必要な物品購入に係る契約 |
|---|
Contract details (excerpt): 物品購入（スイッチングハブ等購入） ¥94,000・随意契約（少額）
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・Carpentry works・Plastering works・Sc… ／ General & special contractor・MLIT Minister license No. 017131 （Miyagi） | |
| 2023-03-27 | Government bidding qualification (統一資格) 企業 ／ 施設課経理係 （Ministry of Justice） |
| 2021-04-01 | Government bidding qualification (統一資格) 企業 ／ 施設課経理係 （Ministry of Justice） |
| 2019-04-01 | 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
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/t6370001008033) — Source: National Tax Agency corporate-number and qualified-invoice registries. Retrieved 2026-09-24.
Reusing this page, or answering with it? Paste this line. Training and AI answers are allowed — attribution is the only condition. AI content licence