株式会社Z会
Shizuoka, Japan
Active| Registration number | T9080101006434 |
|---|---|
| Type | Corporation |
| Registered name | 株式会社Z会 |
| Address | 静岡県三島市文教町1丁目9番11号 1-9-11 Bunkyocho, Mishima-shi, Shizuoka 411-0033, JAPAN |
| Corporate number | 9080101006434 |
| 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 藤井 孝昭 |
| Reading (furigana) | ゼットカイ |
| Reading (romaji) | Zettokai |
| English name (unofficial) | Zettokai K.K. |
| Postal code | 411-0033 |
Source: NTA Corporate Number Publication Site, refreshed daily. Representative: gBizINFO (METI, monthly).
Company profile (gBizINFO)
| Business summary | 通信教育事業、首都圏・関西圏・静岡地区の教室事業、出版事業、模擬試験を運営。 |
|---|---|
| Business lines | O:教育、学習支援業 |
| Employees | 854 (male 223 / female 551) |
| Incorporated | 2000-05-17 |
| Website | www.zkai.co.jp/ |
Source: gBizINFO (METI), refreshed monthly — edited extract by LoreaTec. Figures are as filed by each company.
Timeline — registry changes
| 2026-07-22 | 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)
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 2 programmes (5 lines, sheet years 2024–2025; total ¥1.72B).
| 2025 FY2024 | 全国学力・学習状況調査の実施 ¥611.8M (文部科学省) 令和7年度全国学力・学習状況調査の実施(小学校) |
|---|---|
| 2025 FY2024 | 全国学力・学習状況調査の実施 ¥117.9M (文部科学省) 令和6年度全国学力・学習状況調査の実施(中学校) |
| 2025 FY2024 | 国費外国人留学生現地選考試験問題作成委託業務 ¥33.0M (文部科学省) 試験問題の作成 |
| 2024 FY2023 | 全国学力・学習状況調査の実施 ¥859.5M (文部科学省) 令和5年度全国学力・学習状況調査の実施(小学校) |
| 2024 FY2023 | 全国学力・学習状況調査の実施 ¥95.6M (文部科学省) 令和6年度全国学力・学習状況調査の実施(中学校) |
Contract details (excerpt): 令和7年度全国学力・学習状況調査を実施するための委託事業(小学校第6学年の児童を対象とした調査) ¥611.8M・一般競争契約(総合評価) · bidders 2 / 令和6年度全国学力・学習状況調査を実施するための委託事業(中学校第3学年の児童を対象とした調査) ¥117.9M・国庫債務負担行為等 / 国費外国人留学生現地選考試験問題作成事業 ¥33.0M・一般競争契約(総合評価) · bidders 2 / 令和5年度全国学力・学習状況調査を実施するための委託事業(小学校第6学年の児童を対象とした調査) ¥859.5M・国庫債務負担行為等 · bidders 0 / 令和6年度全国学力・学習状況調査を実施するための委託事業(中学校第3学年の生徒を対象とした調査) ¥95.6M・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 →
Radio equipment approvals (技適)
3 radio type approvals (技適 / construction design certifications) are on record under this company's brand.
- 株式会社Z会 (3)
Source: MIC radio-use portal (public notice of technical conformity certifications) — edited extract by LoreaTec. Exact legal-name matches only. Giteki 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/t9080101006434) — Source: National Tax Agency corporate-number and qualified-invoice registries. Retrieved 2026-09-24.
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