株式会社Ｄａｉｄｅｎ

Authority: Osaka Prefecture (大阪府) Company: 株式会社Daiden (法人番号2120001146761) Representative: 南 トシ子 Main business office: 本町サザンビル307, 2-1-1 Minamihonmachi, Chuo-ku, Osaka-shi, Osaka Legal basis: Article 28(3) of the Construction Business Act (建設業法第28条第３項) Disposition date: August 18, 2026 Type of action: Business suspension (営業停止) Business suspension period: September 1, 2026 to September 22, 2026 (22 days) Scope of suspension: All business related to construction business (建設業に係る営業の全部) Stated cause (facts described): 1) In a private construction project in Osaka City (the “Project” / [本件工事]), the company violated Article 26(1) of the Construction Business Act by not assigning a person in charge of technical management of construction work at the project site, and by not primarily performing matters such as on-site technical guidance to subcontractors, consultation with the prime contractor, and judgment/response to matters for consultation from subcontractors. The company also did not primarily perform its own responsibilities such as preparing the construction plan, managing the schedule, quality control, safety management, and technical guidance, and instead had the main portion of the plumbing (管工事) work it had contracted for be subcontracted to 神空調有限会社. 2) In the same Project, the company violated Article 22(1) of the Construction Business Act by having the construction work it had contracted for be wholly subcontracted to 神空調有限会社. 3) In the same Project, the company entered into a subcontract agreement with 株式会社一六八建設, which operates a construction business without obtaining the permission required under Article 3(1) of the Construction Business Act, thereby violating Article 3(1) of the Construction Business Act. Permitted construction business types: none (許可を受けている建設業の種類：なし) Permit number: none (許可番号：なし)