株式会社ダイヤモンド社
Tokyo, Japan
Active| Registration number | T2011001032632 |
|---|---|
| Type | Corporation |
| Registered name | 株式会社ダイヤモンド社 |
| Address | 東京都渋谷区神宮前６丁目１２番１７号 6-12-17 Jingumae, Shibuya-ku, Tokyo 150-0001, JAPAN |
| Corporate number | 2011001032632 |
| 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) |
|---|---|
| Reading (furigana) | ダイヤモンドシャ |
| Reading (romaji) | Daiyamondosha |
| English name (unofficial) | Diamond Sha K.K. |
| Postal code | 106-0032 |
Source: NTA Corporate Number Publication Site, refreshed daily.
Company profile (gBizINFO)
| Business summary | 書籍事業、雑誌事業、デジタルメディア事業、プロモーション事業、人材開発事業 |
|---|---|
| Business lines | G:情報通信業 |
| Employees | 215 （male 148 / female 62） |
| Website | www.diamond.co.jp/ |
Source: gBizINFO (METI), refreshed monthly — edited extract by LoreaTec. Figures are as filed by each company.
Timeline — registry changes
| 2026-08-14 | Head-office address changed (Japan) from 東京都 渋谷区 → 東京都 港区 |
|---|
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 1 programme (1 lines, sheet years 2025–2025; total ¥3.3M).
| 2025 FY2024 | 工業所有権研究等委託費（知的財産行政の情報発信調査事業） ¥3.3M （特許庁） 特許庁の情報発信業務改善に係る支援事業の外注先 |
|---|
Contract details (excerpt): 記事配信 ¥3.3M・その他
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/t2011001032632) — Source: National Tax Agency corporate-number and qualified-invoice registries. Retrieved 2026-09-24.
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