RegBase
日本語

Business Suspension against 株式会社久保建設

株式会社久保建設 (Construction Business Act)
Construction Business ActEhime PrefectureConfirmed entity match10 September 2025
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/api/v1/enforcements?corporate_number=3500001007197&limit=10
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Action summary

Company
株式会社久保建設Japanese original
Original: 株式会社久保建設
Corporate Number: 3500001007197
Entity match
Confirmed entity match95/100Human reviewed
Normalized Japanese name matched to a company profile with Corporate Number
Matched by normalized Japanese company name to an enriched company profile with a Corporate Number.
Governing law
Construction Business Act
建設業法
Action type
Business Suspension
営業停止
Action date
10 September 2025
Issuing authority
Ehime Prefecture
愛媛県

Violation

Machine-translated summary — verify against original

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.

Show original Japanese text

株式会社久保建設の元代表取締役は、愛媛県が入札を執行した２件の工事に関し、当時の愛媛県職員から秘密事項である直接工事費及び調査基準価格の教示を受けて、同社にこれらの工事を落札させ、もって偽計を用いて、公の入札で契約を締結するためのものの公正を害すべき行為をしたとして、公契約関係競売入札妨害の罪により、懲役１年６月（執行猶予３年）の判決を受け、その刑が確定した。 このことは、建設業法第28条第１項第３号に該当する。

Compliance context

Context needed

This is a public Japanese regulatory disclosure. The exact legal effect depends on the cited source and regulator.

Construction business law covering licensing, contractor obligations, and public-interest rules for construction work.

Review the original Japanese source and determine relevance to your counterparty-risk workflow.

This context is an operational aid for review workflows, not a credit opinion or legal conclusion.

Evidence pack

Original Ehime Prefecture announcement (Japanese)Archived source snapshot
Extracted at
2026-04-25T19:56:04.096+00:00
Evidence checked
2026-04-25T19:56:04.096+00:00
Archive captured
2026-06-11T00:30:41.012+00:00
Show audit JSON
{
  "record": {
    "id": "01ae85a7-53d3-4471-ad08-7928b37c966b",
    "url": "https://regbase.jp/en/enforcement/01ae85a7-53d3-4471-ad08-7928b37c966b",
    "company_name_original": "株式会社久保建設",
    "company_name_registry": "株式会社久保建設",
    "corporate_number": "3500001007197",
    "law": {
      "ja": "建設業法",
      "en": "Construction Business Act"
    },
    "action_type": {
      "ja": "営業停止",
      "en": "Business Suspension"
    },
    "authority": {
      "ja": "愛媛県",
      "en": "Ehime Prefecture"
    }
  },
  "entity_match": {
    "status": "confirmed",
    "confidence": 95,
    "method": "normalized_name_with_corporate_number",
    "method_label": "Normalized Japanese name matched to a company profile with Corporate Number",
    "notes": "Matched by normalized Japanese company name to an enriched company profile with a Corporate Number."
  },
  "review": {
    "status": "human_reviewed",
    "label": "Human reviewed"
  },
  "compliance_context": {
    "severity": "Context needed",
    "actionMeaning": "This is a public Japanese regulatory disclosure. The exact legal effect depends on the cited source and regulator.",
    "practicalNote": "Review the original Japanese source and determine relevance to your counterparty-risk workflow.",
    "lawContext": "Construction business law covering licensing, contractor obligations, and public-interest rules for construction work."
  },
  "evidence": {
    "recordUrl": "https://regbase.jp/en/enforcement/01ae85a7-53d3-4471-ad08-7928b37c966b",
    "officialSourceUrl": "https://www.mlit.go.jp/nega-inf/cgi-bin/search.cgi?jigyoubunya=kensetugyousya&EID=search&no=1872",
    "archiveUrl": "https://kiroku.today/view/e9034aabf28rhdsk",
    "archiveCapturedAt": "2026-06-11T00:30:41.012+00:00",
    "extractedAt": "2026-04-25T19:56:04.096+00:00",
    "translatedAt": "2026-05-01T07:39:19.73+00:00",
    "evidenceCheckedAt": "2026-04-25T19:56:04.096+00:00",
    "generatedAt": "2026-06-22T01:54:13.939Z"
  },
  "limitations": [
    "RegBase aggregates public Japanese government disclosures and does not provide a credit opinion.",
    "English summaries are provided for reference. The original Japanese source is authoritative.",
    "Possible or unresolved entity matches should be manually verified before use in a decision."
  ]
}

The original Japanese disclosure is the authoritative record. Use possible or unresolved matches only as leads for manual review.

Language

日本語版を見る (Japanese)

Company info

English name
株式会社久保建設 Japanese original
Japanese name
株式会社久保建設
Corporate Number
3500001007197
Registered address
愛媛県久万高原町
See company profile →

About this recordAggregated and translated from public Japanese government disclosures. The English text is for reference only — authoritative content is the linked Japanese source.