Company profile

Company profileConfirmed enforcement recordsEnglish summaries 1/1Japanese original

株式会社久保建設

株式会社久保建設· Corporate Number: 3500001007197

株式会社久保建設 is a Japanese company registered in Ehime Prefecture with Corporate Number 3500001007197. RegBase lists 1 public-source enforcement record for this company. The latest listed record is classified as Business Suspension by Ehime Prefecture under the Construction Business Act on 10 Sept 2025. Users should verify material records against the original Japanese source before making legal, credit, procurement, or onboarding decisions.

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This page brings together Official Gazette notices, enforcement records, registry data, related-company signals, and source-review links for one company. Open individual enforcement records from the history section below.

Public Record Summary

Enforcement records
1
Procurement suspensions
5
Licence actions
1
Latest public record
10 Sept 2025

Compared with 12 peer companies with enforcement records in the 建設業 industry

This company: 1/peer average: 1.5 (median 1)→ below peer average

Company Identity and Registry Data

English display name
株式会社久保建設
Original Japanese name
株式会社久保建設
Corporate Number
3500001007197
Representative
久保 千鶴
Registered address
愛媛県上浮穴郡久万高原町二名甲１１６６番地１
Industry
建設業

Data sources

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Public documents and saved materials

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Licence and registration actions

Published revocations, suspensions, restrictions, expiries, and reinstatements linked to this verified legal entity.

Confirmed identity · 1 record
ConstructionSuspensionEndedSanction for non-compliance

Ehime Prefecture

Action date
10 Sept 2025
Licence or registration number
愛媛県知事(特－3)第2028号
Effective period
19 Sept 2025 – 18 Sept 2026
Scope · original Japanese text
建設業法第28条第３項の規定による営業の停止 １ 停止を命ずる営業の範囲 とび・土工工事業に関する営業のうち、公共工事に係るもの （注） 「公共工事」とは、国、地方公共団体、法人税法（昭和40年法律第34号）別表第１に掲げる公共法人（地方公共団体を除く。）又は建設業法施行規則（昭和24年建設省令第14号）第18条に規定する法人が発注者である建設工事をいう。 ２ 営業の停止を命ずる期間 令和７年９月19日から令和８年９月18日までの１年間

The official source identifies this as a measure for non-compliance.

Open the official-record viewOfficial source

Public procurement suspension history

Measures published by Japanese contracting authorities, presented separately from regulatory enforcement.

Confirmed identity · 5 records
Period ended指名停止

農林水産省大臣官房

Measure date
30 May 2025
Suspension period
30 May 2025 – 29 Sept 2025
Reason
Other5月30日(4ヵ月)(PDF : 70KB)

Japanese source text is retained where an official English translation is not available.

Open the official-record viewOfficial source
Period ended指名停止

文部科学省

Measure date
23 May 2025
Suspension period
23 May 2025 – 22 Sept 2025
Reason
Bid rigging or interference(株)久保建設の代表取締役は、愛媛県が発注した急傾斜地崩壊対策工事の一般競争入札に関し、公契約関係競売等妨害の疑いで、令和７年２月１２日愛媛県警に逮捕された。

Japanese source text is retained where an official English translation is not available.

Open the official-record viewOfficial source
Period ended指名停止Revised publication recorded

中国四国防衛局

Measure date
23 May 2025
Suspension period
23 May 2025 – 22 Sept 2025
Reason
Bid rigging or interference競売入札妨害又は談合（付表２－１０）

Japanese source text is retained where an official English translation is not available.

Open the official-record viewOfficial source
Currently suspended入札参加資格停止

砥部町

Measure date
1 Apr 2025
Suspension period
1 Apr 2025 – 17 Feb 2027
Reason
Other

Japanese source text is retained where an official English translation is not available.

Open the official-record viewOfficial source
Period ended入札参加資格停止

松山市

Measure date
18 Feb 2025
Suspension period
18 Feb 2025 – 17 Aug 2026
Reason
Bid rigging or interference株式会社久保建設の代表取締役などは、愛媛県(久万高原土木事務所)が令和6年1月に発注した急傾斜地崩壊対策工事の一般競争入札に関し、公契約関係競売等妨害の疑いで、令和7年2月12日(水曜日)、愛媛県警に逮捕された。
Rule
松山市建設工事等請負業者入札参加資格停止措置要綱

Japanese source text is retained where an official English translation is not available.

Open the official-record viewOfficial source

Enforcement and administrative action history

Construction Business ActBusiness Suspension
Confirmed entity match

The former representative director of Kubo Construction was convicted of obstructing fair public procurement processes under the Act against Unjustifiable Premiums and Misleading Representations, related to two construction projects in Ehime Prefecture. He received confidential information from a former Ehime Prefecture official regarding direct construction costs and survey standard prices, which he used to secure the contracts through fraudulent means. He was sentenced to 1 year and 6 months in prison, with a 3-year suspended sentence, and the sentence was finalized. This conduct falls under Article 28, Paragraph 1, Item 3 of the Construction Business Act.

10 Sept 2025Ehime Prefecture
Official source URL recordedKiroku archive not completedReview details and sources on RegBase

Language

日本語版を見る (Japanese)

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About this English name

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