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

Ticker · 4642 ISIN · JP3200200008 T Professional, scientific and technical activities
Filings indexed 106 across all filing types
Latest filing 2026-06-17 M&A Activity
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
株式会社アクティブフュージョンズの株式の取得に関するお知らせ
M&A Activity Classification · 100% confidence The document is an official announcement about the acquisition of shares in another company, with details on the acquisition reason, company overview, number of shares acquired, and schedule. It is not a financial report, earnings release, or annual report. The document provides information on a merger/acquisition activity, specifically the acquisition of all shares of a company. It is a typical M&A announcement rather than a regulatory or financial filing.
2026-06-17 Japanese
2026年12月期 第1四半期決算短信〔日本基準〕(連結)
Regulatory Filings
2026-05-08 Japanese
確認書
Regulatory Filings Classification · 85% confidence The document is a Japanese "確認書" (confirmation letter) under the Financial Instruments and Exchange Act, confirming the accuracy of the company’s annual securities report (有価証券報告書) for the period Jan 1–Dec 31, 2025. It is not the full annual report (10-K) itself but a required regulatory submission/attestation. Therefore it does not fit specialized categories like Annual Report or Earnings Release. It is best classified as a general regulatory filing (RNS).
2026-03-26 Japanese
有価証券報告書-第64期(2025/01/01-2025/12/31)
Annual Report Classification · 100% confidence The document is a Japanese '有価証券報告書' (Yuuka Shouken Houkokusho), which is the standard annual securities report required by the Financial Services Agency of Japan under the Financial Instruments and Exchange Act. It contains comprehensive financial statements, management discussion and analysis, and corporate information for the fiscal year ending December 31, 2025. This corresponds to the 10-K filing category in the provided schema. FY 2025
2026-03-26 Japanese
2025年12月期 決算短信〔日本基準〕(連結)
Regulatory Filings
2026-02-10 Japanese
2025年12月期 第3四半期決算短信〔日本基準〕(連結)
Regulatory Filings
2025-11-05 Japanese

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