Enforcement record

Business Suspension against 日精株式会社

日精株式会社 (Construction Business Act)

This page is one enforcement record linked to a confirmed legal entity. Company-level Official Gazette notices, registry data, related-company signals, and other public records are collected on the company profile.

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Construction Business ActKantō Regional Development BureauConfirmed entity match26 August 2025

Action type

Business Suspension

Law

Construction Business Act

Authority

Kantō Regional Development Bureau

Action date

26 August 2025

Current page: Enforcement record

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Source verification

Public-source and preservation status

Publishing authority
Kantō Regional Development Bureau
Official source URL
Recorded by RegBase
Entity match
Confirmed against the current entity-resolution policy
Kiroku preservation
Archive not completed

“Confirmed” means that RegBase matched this record to the cited public disclosure or entity under the stated checks. It does not verify the truth of the disclosure or guarantee the entity’s current status, creditworthiness, or any legal conclusion.

Open the official source links in the section below to review the original disclosure.

For developers: JSON integration details

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/api/v1/enforcements?corporate_number=9010401021610&limit=10
Open JSONSpecs

Action summary

Company
日精株式会社Japanese original
Original: 日精株式会社
Corporate Number: 9010401021610
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 August 2025
Issuing authority
Kantō Regional Development Bureau
関東地方整備局
Industry context
建設業者

Violation

Machine-translated summary — verify against original

Nissei Corporation, in cooperation with other businesses, restricted competition in the field of specific underground PS installation construction by determining supply schedulers and enabling them to supply, in order to prevent a decline in supply prices. This conduct contravened the Act against Unjustifiable Premiums and Misleading Representations and violated Article 3 of the Act. On March 24, 2025, the Fair Trade Commission issued an order for corrective measures and a surcharge payment order. This conduct is recognized as corresponding to items 2 and 3 of Paragraph 1, Article 28 of the Construction Business Act.

Show original Japanese text

日精株式会社は他の事業者と共同して、建設業者が発注する、特定地下式ＰＳ設置工事について、供給価格の低落防止等を図るため、供給予定者を決定し、供給予定者が供給できるようにすることにより、公共の利益に反して、特定地下式ＰＳ設置工事の取引分野における競争を実質的に制限していた。この行為は私的独占の禁止及び公正取引の確保に関する法律第２条第６項に規定する不当な取引制限に該当し、同法第３条の規定に違反するものとして、令和７年３月２４日に公正取引委員会から排除措置命令及び課徴金納付命令を受けた。 このことが建設業法第２８条第１項第２号及び第３号に該当すると認められる。

Business location and permit details

Business location address
東京都港区西新橋１－１８－１７
Representative
川畑 淳一
Permit / registration number
国土交通大臣（般･特－２）第005189号
Permitted business types
（一般）タ, 塗（特定）建, Electrical works, Interior finishing works, Machinery and equipment installation works
Legal articles
建設業法第28条第3項(第1項第2号及び第3号該当)
Cause of action
日精株式会社は他の事業者と共同して、建設業者が発注する、特定地下式ＰＳ設置工事について、供給価格の低落防止等を図るため、供給予定者を決定し、供給予定者が供給できるようにすることにより、公共の利益に反して、特定地下式ＰＳ設置工事の取引分野における競争を実質的に制限していた。この行為は私的独占の禁止及び公正取引の確保に関する法律第２条第６項に規定する不当な取引制限に該当し、同法第３条の規定に違反するものとして、令和７年３月２４日に公正取引委員会から排除措置命令及び課徴金納付命令を受けた。 このことが建設業法第２８条第１項第２号及び第３号に該当すると認められる。
Overview page
https://www.mlit.go.jp/nega-inf/cgi-bin/search.cgi?jigyoubunya=kensetugyousya&EID=search&no=1739

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

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.

Open original sources and verification detailsOfficial URL, direct PDF, and Kiroku archive
Original Kantō Regional Development Bureau source (Japanese)
Extracted at
2026-09-08T15:51:00.444+00:00
Evidence checked
2026-09-08T15:50:59.911+00:00
Archive captured
Not archived
Show audit JSON
{
  "record": {
    "id": "394ab944-e9c5-49ca-86c1-3f8bf83af181",
    "url": "https://regbase.jp/en/enforcement/kensetsu-gyoho-ri-jing-20250826",
    "company_name_original": "日精株式会社",
    "company_name_registry": "日精株式会社",
    "corporate_number": "9010401021610",
    "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": 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-ri-jing-20250826",
    "officialSourceUrl": "https://www.mlit.go.jp/nega-inf/cgi-bin/search.cgi?jigyoubunya=kensetugyousya&EID=search&no=1739",
    "officialDocumentUrl": null,
    "archiveUrl": null,
    "archivedSourceUrl": null,
    "archiveCapturedAt": null,
    "extractedAt": "2026-09-08T15:51:00.444+00:00",
    "translatedAt": "2026-05-01T07:39:46.661+00:00",
    "evidenceCheckedAt": "2026-09-08T15:50:59.911+00:00",
    "generatedAt": "2026-09-10T10:22:17.409Z"
  },
  "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
日精株式会社 Japanese original
Japanese name
日精株式会社
Corporate Number
9010401021610
Registered address
東京都港区西新橋１丁目１８番１７号
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About this recordAggregated and translated from public Japanese government disclosures. The English text is for reference only — authoritative content is the linked Japanese source.