NEWS
- IR Notice of Voting Results of the 122nd Ordinary General Meeting of Shareholders (Extraordinary Report) (PDF: 233 KB)
- IR Posted Investor's Guide (PDF: 2,872 KB)
- IR Corporate Governance Report 2026 (PDF: 711 KB)
- IR Notice of Resolutions of the 122nd Ordinary General Meeting of Shareholders (PDF: 94 KB)
- IR Disclosure of Engagement with Shareholders and Investors (April 2025 - March 2026) (PDF: 356 KB)
- Company Profile Acquisition of Multiplex Global Limited, a Company Operating Construction Businesses in Australia, the UK and Canada
- IR Notice of Voting Results of the 122nd Ordinary General Meeting of Shareholders (Extraordinary Report) (PDF: 233 KB)
- IR Corporate Governance Report 2026 (PDF: 711 KB)
- IR Notice of Resolutions of the 122nd Ordinary General Meeting of Shareholders (PDF: 94 KB)
- Company Profile Acquisition of Multiplex Global Limited, a Company Operating Construction Businesses in Australia, the UK and Canada
- IR Notice Concerning the Acquisition of Shares of "Multiplex," a Company Operating Building Construction Business in Australia, the UK and Canada, as a Subsidiary (PDF: 246 KB)
- IR Notice Concerning Acquisition of Shares of PT JTD JAYA PRATAMA, an Operator of Toll Road Concession Business in Indonesia (PDF: 163 KB)
- IR Notice of Voting Results of the 122nd Ordinary General Meeting of Shareholders (Extraordinary Report) (PDF: 233 KB)
- IR Posted Investor's Guide (PDF: 2,872 KB)
- IR Corporate Governance Report 2026 (PDF: 711 KB)
- IR Notice of Resolutions of the 122nd Ordinary General Meeting of Shareholders (PDF: 94 KB)
- IR Disclosure of Engagement with Shareholders and Investors (April 2025 - March 2026) (PDF: 356 KB)
- IR Notice Concerning the Acquisition of Shares of "Multiplex," a Company Operating Building Construction Business in Australia, the UK and Canada, as a Subsidiary (PDF: 246 KB)
- Sustainability Obayashi Corporation Selected for Inclusion in the Dow Jones Best-in-Class Asia Pacific Index
- IR ESG Briefing and Site Tour for Institutional Investors and Securities Analysts Held
- IR Obayashi Receives the Excellence Award for the First Time at the 5th NIKKEI Integrated Report Award
- Sustainability O-NES TOWER Shortlisted for the Inaugural RIBA Asia Pacific Awards
- Sustainability KingBridge Tower and Jamuna Railway Bridge Receive 4th OCAJI Project Awards
- IR Obayashi Receives High Ratings from Three Major IR Website Evaluation Organizations for the Second Consecutive Year
- Others FOCUS: Kubota Global Institute of Technology—A Development Hub Designed Like a Town to Spark Innovation
- Others Spam Alert: Notice and Warning Regarding Suspicious Emails Impersonating the Presidents of Obayashi Corporation and Representatives of Obayashi Group Companies
- Others Obayashi Enters Toll Road Concession Business in Jakarta, Indonesia
- Others [OBAYASHI MORI SORA MIRAI, GREEN×EXPO 2027] BACKSTAGE Episode 02: Interview with the Project Team is Now Available
- Others "OBAYASHI Thinking" Launches, Featuring "FOCUS: Design Stories"
- Company Profile Regarding Summary Orders Issued to the Company and Its Employees for Violations of the Industrial Safety and Health Act
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