株式会社アルファネット
Tokyo, Japan
Active| Registration number | T3010001000499 |
|---|---|
| Type | Corporation |
| Registered name | 株式会社アルファネット |
| Address | 東京都文京区後楽1丁目5番3号 1-5-3 Koraku, Bunkyo-ku, Tokyo 112-0004, JAPAN |
| Corporate number | 3010001000499 |
| 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 脇田 昭彦 |
| Reading (furigana) | アルファネット |
| Reading (romaji) | Arufanetto |
| English name (unofficial) | Alphanet |
| Postal code | 112-0004 |
Source: NTA Corporate Number Publication Site, refreshed daily. Representative: gBizINFO (METI, monthly).
Company profile (gBizINFO)
| Business lines | G:情報通信業 |
|---|---|
| Employees | 572 |
| Incorporated | 1997-10-28 |
Source: gBizINFO (METI), refreshed monthly — edited extract by LoreaTec. Figures are as filed by each company.
Government contract awards (GEPS)
47 national government awards on record between 2018-12-10 and 2026-09-11.
| 2026-09-11 | Office Layout Modification Services for the Directorate for Project Management (Ship Divis 事業監理官(艦船担当)付及び海上装備技術官付執務室レイアウト変更等役務 |
|---|---|
| 2026-07-27 | 事業監理官(誘導武器・統合装備担当)付執務室のレイアウト変更等役務 |
| 2026-07-21 | 移送等役務(その2) |
| 2026-06-04 | Communication Equipment and Fixture Relocation Services for Offices in Building C3 (Part 2 C3棟各執務室の通信器材及び什器移設等役務(その2) |
| 2026-04-03 | 移送等役務(その1) |
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 5 programmes (6 lines, sheet years 2024–2025; total ¥76.4M).
| 2025 FY2024 | 通信機器購入費(陸自) ¥63.0M (防衛省) 業務用電子計算機関連機器 |
|---|---|
| 2025 FY2024 | 予報業務 ¥2.4M (国土交通省 気象庁) 気象衛星センターほかが発注した気象衛星センター無停電電源設備用蓄電池交換工事 等 |
| 2025 FY2024 | 省エネルギー促進に向けた法律・制度の効率的運用業務事業 ¥321,000 (経済産業省) 省エネ法システムのプラットフォーム診断に係る業務 |
| 2024 FY2023 | リスク管理枠組み(RMF)関連事業経費 ¥7.4M (防衛省) セキュリティリスクの改善 |
| 2024 FY2023 | 静止気象衛星運用業務 ¥2.4M (国土交通省 気象庁) 商用通信衛星による静止気象衛星画像データ配信サービス提供 他 |
| 2024 FY2023 | 省エネ法・温対法・フロン法電子報告システム(EEGS)等整備事業 ¥809,600 (経済産業省) 省エネ法システムの改修 |
Contract details (excerpt): インテリジェントスイッチングハブ GNI-69 ¥63.0M・一般競争契約(最低価格) · bidders 2 / 気象衛星センター第三庁舎監視カメラ修繕工事 ¥2.4M・随意契約(少額) · bidders 1 / 省エネ法システムのプラットフォーム診断に係る業務 ¥321,000・その他 / 幹線用光ケーブル敷設 ¥7.4M・一般競争契約(最低価格) · bidders 3 / 気象衛星センター第三庁舎監視カメラ設備用第二庁舎ネットワークレコーダ他更新工事 ¥2.4M・一般競争契約(最低価格) · bidders 4 / ウェブアプリケーションの診断費 ¥809,600 · 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 →
Licenses, registrations & certifications (gBizINFO)
| 2023-03-27 | Government bidding qualification (統一資格) 企業 / 施設課経理係 (Ministry of Justice) |
|---|---|
| 2022-07-05 | Government bidding qualification (統一資格) 企業 / 施設課経理係 (Ministry of Justice) |
| 2025-03-01 | DX Certification (METI) (METI) |
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/t3010001000499) — Source: National Tax Agency corporate-number and qualified-invoice registries. Retrieved 2026-09-24.
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