Action summary

Company

北海土建工業株式会社Japanese original

Original: 北海土建工業株式会社

Corporate Number: 1430001053787

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

3 August 2021

Issuing authority

Hokkaido Prefecture

北海道

Industry context

建設業者

Violation

北海土建工業株式会社 was ordered to suspend business activities for 120 days from August 18, 2021, to December 15, 2021, by Hokkaido authorities under the Construction Business Act, Article 28, Paragraph 3. The violations involved former company officials and employees engaging in bid rigging and bribery related to a restricted competitive bidding process for agricultural civil engineering work (Project No. 597, Hokkaido Governor's permit). The former officials conspired to rig the bid for the project by colluding with other contractors, resulting in a criminal conviction for bid rigging (prison sentence of 1 year, suspended for 3 years) confirmed on March 26, 2021. Additionally, a former employee conspired with a public official (at the time) to receive confidential bid price information via email, facilitating the rigging of the bid, and provided a bribe (15万円) to the official’s relative for exterior construction work (worth 108万円), in exchange for information and influence. The former employee was convicted of obstructing public contract proceedings and bribery, receiving a prison sentence of 1 year 6 months, suspended for 3 years, confirmed on June 16, 2021. The suspension order covers all regions and types of construction work, with no restrictions specified.

Business location and permit details

Business location address

北海道苫小牧市栄町２丁目１番 27 号

Representative

矢部 道晃

Permit / registration number

北海道知事（特－胆29） 第597号

Permitted business types

Civil engineering works, Scaffolding, earthwork, and concrete works, Paving works, Water facilities 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

① 同社の元役員は、胆振総合振興局が平成30年4月25日に執行した「経営体豊共第１地区61工区」農業土木工事の制限付一般競争入札に関し、同社を構成員とする経常建設共同企業体に当該工事を落札させようと考え、他の２業者の担当者らと共謀の上、公正な価格を害する目的で、前記２業者が同経常建設共同企業体の入札予定金額を超える金額で入札することにより同経常建設共同企業体に同工事を落札させる旨協定し、談合した。 このことにより、令和3年3月11日、旭川地方裁判所において、談合罪により、懲役1年、執行猶予3年の判決を受け、同年3月26日に刑が確定した。 ② 同社の元社員は、前記工事の制限付一般競争入札に関し、胆振総合振興局職員（当時）と共謀の上、同社内にて、電子メールで工事価格の教示を受け、同入札において同工事を落札させ、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行った。 また、前記職員が不正な行為をしたことに関する謝礼の趣旨で、職員の親族宅の外構工事（108万円相当）を15万円で施工し、差額の賄賂を供与した。 このことにより、令和3年6月1日、札幌地方裁判所において、公契約関係競売等妨害罪、贈賄罪により、懲役1年6月、執行猶予3年の判決を受け、同年6月16日に刑が確定した。

Overview page

https://www.mlit.go.jp/nega-inf/cgi-bin/search.cgi?jigyoubunya=kensetugyousya&EID=search&no=151

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": "8668850a-c44e-4818-a2b6-0a732ae08bd2",
    "url": "https://regbase.jp/en/enforcement/kensetsu-gyoho-bei-hai-tu-jian-gong-ye-20210803",
    "company_name_original": "北海土建工業株式会社",
    "company_name_registry": "北海土建工業株式会社",
    "corporate_number": "1430001053787",
    "law": {
      "ja": "建設業法",
      "en": "Construction Business Act"
    },
    "action_type": {
      "ja": "営業停止",
      "en": "Business Suspension"
    },
    "authority": {
      "ja": "北海道",
      "en": "Hokkaido 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-bei-hai-tu-jian-gong-ye-20210803",
    "officialSourceUrl": "https://www.mlit.go.jp/nega-inf/cgi-bin/search.cgi?jigyoubunya=kensetugyousya&EID=search&no=151",
    "officialDocumentUrl": null,
    "archiveUrl": null,
    "archivedSourceUrl": null,
    "archiveCapturedAt": null,
    "extractedAt": "2026-07-17T11:56:25.97+00:00",
    "translatedAt": "2026-07-18T00:30:36.651+00:00",
    "evidenceCheckedAt": "2026-07-17T09:05:03.331+00:00",
    "generatedAt": "2026-07-24T16:26:53.055Z"
  },
  "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.