Action summary

Company

五島建設株式会社Japanese original

Original: 五島建設株式会社

Corporate Number: 9500001013000

Entity match

Confirmed entity match100/100Machine checked

source_corporate_number_nta_current_name

国税庁法人番号データとの独立照合で対象法人を確認しました（source_corporate_number_nta_current_name）。

Governing law

Construction Business Act

建設業法

Action type

Business Suspension

営業停止

Action date

26 May 2023

Issuing authority

Ehime Prefecture

愛媛県

Industry context

建設業者

Violation

The former CEO of Goto Construction Co., Ltd. received a conviction for obstructing public bidding related to the 'Reiwa 2nd Year Iwaki District Reef Restoration Construction' project, conducted by Kamijima Town on August 27, 2020. The individual received a sentence of one year in prison, with a three-year probation, for using false pretenses to interfere with the fairness of public bidding, which is a violation of the Construction Business Act, Article 28, Paragraph 1, Item 3. Based on this, Ehime Prefecture issued a one-year suspension of business operations in civil engineering related to public works, effective from June 2, 2023, to June 1, 2024. The suspension applies to construction work involving public contracts as defined by the relevant laws and regulations.

Business location and permit details

Business location address

愛媛県越智郡上島町

Representative

向井 ます子

Permit / registration number

愛媛県知事（特-4）第2023号

Permitted business types

Civil engineering works, Scaffolding, earthwork, and concrete works, Stone works, Steel structure works, Paving works, Dredging works, Water facilities works, Demolition works

Legal articles

建設業法第28条第3項（同条第１項第３号該当）

Cause of action

五島建設株式会社の前代表取締役は、上島町が令和２年８月27日に入札を執行した「令和２年度岩城地区増殖礁設置工事」に関し、当時の町職員から秘密事項である予定価格の教示を受けて、同社に工事を落札させ、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（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。

Overview page

https://www.mlit.go.jp/nega-inf/cgi-bin/search.cgi?jigyoubunya=kensetugyousya&EID=search&no=871

These fields are extracted from the original Japanese disclosure or linked overview pages when available.

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

Evidence pack

{
  "record": {
    "id": "fbd4e230-3912-427f-8afe-46ad83edc054",
    "url": "https://regbase.jp/en/enforcement/kensetsu-gyoho-wu-dao-jian-she-20230526",
    "company_name_original": "五島建設株式会社",
    "company_name_registry": "五島建設株式会社",
    "corporate_number": "9500001013000",
    "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": 100,
    "method": "source_corporate_number_nta_current_name",
    "method_label": "source_corporate_number_nta_current_name",
    "notes": "国税庁法人番号データとの独立照合で対象法人を確認しました（source_corporate_number_nta_current_name）。"
  },
  "review": {
    "status": "machine_reviewed",
    "label": "Machine checked"
  },
  "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/kensetsu-gyoho-wu-dao-jian-she-20230526",
    "officialSourceUrl": "https://www.mlit.go.jp/nega-inf/cgi-bin/search.cgi?jigyoubunya=kensetugyousya&EID=search&no=871",
    "officialDocumentUrl": null,
    "archiveUrl": null,
    "archivedSourceUrl": null,
    "archiveCapturedAt": null,
    "extractedAt": "2026-07-17T11:56:25.97+00:00",
    "translatedAt": "2026-07-18T15:00:25.393+00:00",
    "evidenceCheckedAt": "2026-07-17T08:51:46.644+00:00",
    "generatedAt": "2026-07-24T15:21:34.101Z"
  },
  "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.