Action summary

Company

大成興業株式会社Japanese original

Original: 大成興業株式会社

Corporate Number: 1021001057786

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

Directive

指示

Action date

20 January 2026

Issuing authority

Kanagawa Prefecture

神奈川県

Industry context

建設業者

Violation

Daiseko Corporation, in January of Reiwa 7, carried out waterproofing construction without holding the license required under Article 3, Paragraph 1 of the Construction Business Act, and entered into subcontract agreements for non-trivial work with persons not licensed for construction business. Furthermore, they violated Article 16, Paragraph 1 of the same law by contracting for subcontract work exceeding the amount specified by government ordinance under Article 3, Paragraph 1, Item 2, without holding the permit for specified construction business. Additionally, they assigned a person as a chief technical engineer, as defined under Article 15, Item 2, of the law, in violation of Article 26, Paragraph 3. These actions correspond to violations of Article 28, Paragraph 1, Items 2 and 6 of the Construction Business Act.

Business location and permit details

Business location address

神奈川県相模原市中央区横山２－１６－４－４Ａ

Representative

大竹 博文

Permit / registration number

神奈川県知事許可（般－２）第81915号

Permitted business types

Waterproofing works

Legal articles

建設業法第28条第１項（同条第１項本文、同条第１項第２号及び同条第１項第６号該当）

Cause of action

大成興業株式会社は、令和７年１月に請け負った防水工事において、建設業法第３条第１項の許可を受けないで建設業を営む者と、軽微でない工事についての下請契約を締結した。また、同法第16条第１項に違反し、特定建設業の許可を受けないで、下請代金の額が同法第３条第１項第２号の政令で定める金額以上となる下請契約を締結した。さらに、同法第15条第２号に規定する営業所の専任技術者である者を、同法第26条第３項の規定に違反して、専任を要する主任技術者として配置した。 このことは、建設業法第28条第１項本文、同条第１項第２号及び同条第１項第６号に該当する。

Overview page

https://www.mlit.go.jp/nega-inf/cgi-bin/search.cgi?jigyoubunya=kensetugyousya&EID=search&no=1939

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": "9ad08e1c-44b8-422b-ad68-b1c79f7dbdfd",
    "url": "https://regbase.jp/en/enforcement/kensetsu-gyoho-da-cheng-xing-ye-20260120",
    "company_name_original": "大成興業株式会社",
    "company_name_registry": "大成興業株式会社",
    "corporate_number": "1021001057786",
    "law": {
      "ja": "建設業法",
      "en": "Construction Business Act"
    },
    "action_type": {
      "ja": "指示",
      "en": "Directive"
    },
    "authority": {
      "ja": "神奈川県",
      "en": "Kanagawa 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": "Medium",
    "actionMeaning": "A regulator issued a directive requiring specified action.",
    "practicalNote": "Verify the required action and whether the company has disclosed remediation or completion.",
    "lawContext": "Construction business law covering licensing, contractor obligations, and public-interest rules for construction work."
  },
  "evidence": {
    "recordUrl": "https://regbase.jp/en/enforcement/kensetsu-gyoho-da-cheng-xing-ye-20260120",
    "officialSourceUrl": "https://www.mlit.go.jp/nega-inf/cgi-bin/search.cgi?jigyoubunya=kensetugyousya&EID=search&no=1939",
    "officialDocumentUrl": null,
    "archiveUrl": null,
    "archivedSourceUrl": null,
    "archiveCapturedAt": null,
    "extractedAt": "2026-08-12T15:11:11.914+00:00",
    "translatedAt": "2026-05-01T07:32:21.821+00:00",
    "evidenceCheckedAt": "2026-08-12T15:11:11.547+00:00",
    "generatedAt": "2026-08-17T22:26:25.883Z"
  },
  "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.