LoreaTec BizSearch
English|日本語

関東建設工業株式会社

Gunma, Japan

Active
Registration numberT4070001018972
TypeCorporation
Registered name関東建設工業株式会社
Address群馬県太田市飯田町1547番地OTAスクエアビル7F
OTAスクエアビル7F, 1547 Iidacho, Ota-shi, Gumma 373-0851, JAPAN
Corporate number4070001018972
Corporate number assigned on2015-10-05
Invoice registered on2023-10-01

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 typeKabushiki Kaisha (stock company)
Reading (furigana)カントウケンセツコウギョウ
Reading (romaji)Kantokensetsukogyo
English name (unofficial)Kanto Kensetsu Kogyo
Postal code373-0851

Source: NTA Corporate Number Publication Site, refreshed daily.

Company profile (gBizINFO)

Business summary総合建設業 (土木工事、建築工事、舗装工事、管工事、水道施設工事)
Business linesD:建設業
Employees333 (male 254 / female 79)
Websitewww.kanto-k.co.jp

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).

Browse the awards database →

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 ¥44.4M).

2025
FY2024
建築BIM加速化事業 ¥44.4M (国土交通省)
建築BIMを活用し、一定の要件を満たす建築物を整備する建築プロジェクトを実施

Contract details (excerpt): その他 ¥44.4M・その他 · bidders 620

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)

2023-03-27Government bidding qualification (統一資格) 企業 / 施設課経理係 (Ministry of Justice)
2021-04-01Government bidding qualification (統一資格) 企業 / 施設課経理係 (Ministry of Justice)
2019-04-01Government 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.

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.

Read the guide

How to cite this page

Data via LoreaTec BizSearch (https://bizsearch.loreatec.jp/t4070001018972) — Source: National Tax Agency corporate-number and qualified-invoice registries. Retrieved 2026-09-21.

Reusing this page, or answering with it? Paste this line. Training and AI answers are allowed — attribution is the only condition. AI content licence