Business Suspension against 関東建設工業株式会社

関東建設工業株式会社 (Construction Business Act)
Construction Business ActKantō Regional Development BureauConfirmed entity match27 April 2026
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/api/v1/enforcements?corporate_number=4070001018972&limit=10

Action summary

Company
Original: 関東建設工業株式会社
Corporate Number: 4070001018972
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
27 April 2026
Issuing authority
Kantō Regional Development Bureau
関東地方整備局

Violation

Show original Japanese text

関東建設工業株式会社の元社員は、群馬県桐生市が令和4年10月19日に入札を執行した「桐生市新本庁舎建設工事」の入札に関し、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、令和7年12月24日にさいたま地方裁判所から公契約関係競売等妨害罪により懲役1年(執行猶予3年)の判決を受け、その刑が確定している。 このことが建設業法第28条第1項第2号に該当すると認められる。

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 Kantō Regional Development Bureau announcement (Japanese)Archived source snapshot
Extracted at
2026-05-04T06:38:37.253+00:00
Evidence checked
2026-05-04T06:38:37.253+00:00
Archive captured
2026-05-04T12:30:47.923+00:00
Show audit JSON
{
  "record": {
    "id": "1e764e86-3414-4f2f-9a58-bf04d9ee699b",
    "url": "https://regbase.jp/en/enforcement/1e764e86-3414-4f2f-9a58-bf04d9ee699b",
    "company_name_original": "関東建設工業株式会社",
    "company_name_registry": "関東建設工業株式会社",
    "corporate_number": "4070001018972",
    "law": {
      "ja": "建設業法",
      "en": "Construction Business Act"
    },
    "action_type": {
      "ja": "営業停止",
      "en": "Business Suspension"
    },
    "authority": {
      "ja": "関東地方整備局",
      "en": "Kantō Regional Development Bureau"
    }
  },
  "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/1e764e86-3414-4f2f-9a58-bf04d9ee699b",
    "officialSourceUrl": "https://www.mlit.go.jp/nega-inf/cgi-bin/search.cgi?jigyoubunya=kensetugyousya&EID=search&no=2142",
    "archiveUrl": "https://kiroku.today/view/547de2bad9r6h33s",
    "archiveCapturedAt": "2026-05-04T12:30:47.923+00:00",
    "extractedAt": "2026-05-04T06:38:37.253+00:00",
    "translatedAt": null,
    "evidenceCheckedAt": "2026-05-04T06:38:37.253+00:00",
    "generatedAt": "2026-06-19T08:14:04.935Z"
  },
  "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.

Company info

English name
関東建設工業株式会社 Japanese original
Japanese name
関東建設工業株式会社
Corporate Number
4070001018972
Registered address
群馬県太田市飯田町1547 OTAスクエアビル7F
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.