株式会社井口一世
Tokyo, Japan
Active| Registration number | T5010001118372 |
|---|---|
| Type | Corporation |
| Registered name | 株式会社井口一世 |
| Address | 東京都千代田区飯田橋４丁目１０番１号 4-10-1 Iidabashi, Chiyoda-ku, Tokyo 102-0072, JAPAN |
| Corporate number | 5010001118372 |
| Corporate number assigned on | 2015-10-05 |
| 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 井口 一世 |
| Reading (furigana) | イグチイッセイ |
| Reading (romaji) | Iguchiissei |
| English name (unofficial) | Iguchiissei K.K. |
| Postal code | 102-0072 |
Source: NTA Corporate Number Publication Site, refreshed daily. Representative: gBizINFO (METI, monthly).
Company profile (gBizINFO)
| Incorporated | 2001-04-26 |
|---|
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/）
Subsidies & grants received (gBizINFO)
1 published award (2018-01-01 → 2018-01-01, 1 programme, total ¥100.0M).
| 2018-01-01 | 平成３０年度「地域経済牽引事業支援事業費補助金（戦略分野における地域経済牽引事業支援事業）」（ワンストップサービスの提供を強化するための新たな設備投資） ¥100.0M （経済産業省） |
|---|
Source: gBizINFO (METI) subsidy information, refreshed monthly. Amounts as published (grant decisions). Subsidies 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/t5010001118372) — Source: National Tax Agency corporate-number and qualified-invoice registries. Retrieved 2026-09-23.
Reusing this page, or answering with it? Paste this line. Training and AI answers are allowed — attribution is the only condition. AI content licence