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ORIGINAL ENGINEERING CONSULTANTS CO.,LTD — Investor Relations & Filings

Ticker · 4642 ISIN · JP3200200008 T Professional, scientific and technical activities
Open in API
Filings indexed 61 across all filing types
Latest filing 2024-03-26 Governance Information
Country JP Japan
Listing T 4642

About ORIGINAL ENGINEERING CONSULTANTS CO.,LTD

https://www.oec-solution.co.jp/e/index.…

Original Engineering Consultants Co., Ltd. is an engineering consulting firm established in 1962. The company specializes in environmental infrastructure, providing comprehensive services for projects related to water supply, sewerage systems, sanitation, and solid waste management. Its core activities include research, planning, design, and construction supervision. The firm's expertise also extends to the treatment of wastewater and sludge, offering integrated solutions in the water and environmental sectors.

Recent filings

Filing Released Lang Actions
内部統制報告書－第62期(2023/01/01－2023/12/31)
Governance Information Classification · 100% confidence The document explicitly states in the header section (【提出書類】) that it is an "内部統制報告書" (Internal Control Report), filed under the Financial Instruments and Exchange Act (金融商品取引法). Section 1 discusses the framework for internal controls over financial reporting, Section 2 details the scope, base date (2023年12月31日), and evaluation procedures, and Section 3 concludes that the internal controls are effective. This content perfectly matches the description of an Audit Report / Information (AR), which covers internal or regulatory stress tests and applied accounting principles, distinct from the full Annual Report (10-K). Although the Japanese term translates closely to an internal control report, among the provided codes, 'AR' (Audit Report / Information) is the closest fit for regulatory reports concerning internal controls and accounting standards, especially when it is not the comprehensive 10-K.
2024-03-26 Japanese
有価証券報告書－第62期(2023/01/01－2023/12/31)
Annual Report Classification · 100% confidence The document is a Japanese 'Yuka Shoken Hokokusho' (Securities Report), which is the Japanese equivalent of a 10-K. It contains detailed financial statements, business descriptions, and corporate information for the fiscal year ending December 31, 2023. The header explicitly identifies it as a 'Securities Report' (有価証券報告書) submitted under the Financial Instruments and Exchange Act. FY 2023
2024-03-26 Japanese
確認書
Report Publication Announcement Classification · 100% confidence The document is a 'Confirmation Letter' (Kakunin-sho) filed under the Financial Instruments and Exchange Act in Japan. It specifically confirms the accuracy of the contents of a Quarterly Report (Shihanki Hokokusho) for the third quarter of the 62nd fiscal period. Since this is a formal regulatory filing confirming the accuracy of financial reporting rather than the financial report itself or a general announcement, it falls under the category of Regulatory Filings.
2023-11-10 Japanese
四半期報告書－第62期第3四半期(2023/07/01－2023/09/30)
Interim / Quarterly Report Classification · 100% confidence The document is a 'Quarterly Report' (四半期報告書) filed under the Financial Instruments and Exchange Act of Japan. It contains detailed financial statements, including the balance sheet and income statement for the third quarter of the 62nd fiscal year. It is a comprehensive financial report for a period shorter than a full fiscal year, fitting the definition of an Interim/Quarterly Report (IR). 9M 2023
2023-11-10 Japanese
確認書
Report Publication Announcement Classification · 100% confidence The document is a 'Confirmation Letter' (Kakunin-sho) filed under the Financial Instruments and Exchange Act of Japan. It confirms the accuracy of the contents of a Quarterly Report (Shihanki Hokokusho) for the second quarter of the 62nd fiscal period. Since this is a regulatory filing confirming the accuracy of a report rather than the report itself, and it does not fit into the specific categories like 10-K or IR, it falls under the general regulatory filing category.
2023-08-10 Japanese
四半期報告書－第62期第2四半期(2023/04/01－2023/06/30)
Interim / Quarterly Report Classification · 100% confidence The document is a 'Quarterly Report' (四半期報告書) filed with the Kanto Local Finance Bureau in Japan, pursuant to the Financial Instruments and Exchange Act. It contains detailed financial statements, management analysis (MDA), and corporate information for the second quarter of the 62nd fiscal period (ending June 30, 2023). It is a comprehensive financial report rather than an announcement or a summary, fitting the definition of an Interim/Quarterly Report (IR). H1 2023
2023-08-10 Japanese

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