2026

News

IR

ESG Briefing and Site Tour for Institutional Investors and Securities Analysts Held

IR

Singapore Business Briefing for Institutional Investors and Analysts

IR

Obayashi Receives the Excellence Award for the First Time at the 5th NIKKEI Integrated Report Award

Others

"OBAYASHI Thinking" Launches, Featuring "FOCUS: Design Stories"

IR

Notice Concerning the Introduction of a "Stock-Granting ESOP Trust" (PDF: 263 KB)

Company Profile

Regarding Summary Orders Issued to the Company and Its Employees for Violations of the Industrial Safety and Health Act

Sustainability

O-NES TOWER Shortlisted for the Inaugural RIBA Asia Pacific Awards

Others

Geothermal Power Plant "TOPP2" Commences Operations in New Zealand

IR

Notice Regarding Change of Representative Directors and Officers (PDF: 242 KB)

Others

Establishment of the Japan-New Zealand Hydrogen Corridor

IR

FY2025 3rd Quarter : Summary of the Financial Results Briefing Conference (April 1, 2025 to December 31, 2025) (PDF: 170 KB)

Technologies

Japan's First On-Site PoC Test of a Hydrogen Fuel Cell-Powered Hydraulic Excavator at a Construction Site

IR

FY2025 3rd Quarter : Presentation on Financial Results With Notes (April 1, 2025 to December 31, 2025) (PDF: 1,111 KB)

IR

Notice Concerning Revisions to Full-Year Financial Results Forecasts and Dividend Forecasts (Dividend Increase) (PDF: 395 KB)

IR

FY2025 3rd Quarter : Presentation on Financial Results (April 1, 2025 to December 31, 2025) (PDF: 1,116 KB)

IR

FY2025 3rd Quarter : Supplementary Data on Financial Results (April 1, 2025 to December 31, 2025) (PDF: 293 KB)

IR

FY2025 3rd Quarter : Financial Results (April 1, 2025 to December 31, 2025) (PDF: 3,800 KB)

Sustainability

KingBridge Tower and Jamuna Railway Bridge Receive 4th OCAJI Project Awards

IR

Notice of Cancellation of Treasury Shares (PDF: 190 KB)

Others

[OBAYASHI GREEN×EXPO 2027] BACKSTAGE: Interview with the Project Team is Now Available

IR

Tour of Shin-Sasago Tunnel for institutional investors and analysts

IR

Obayashi Receives High Ratings from Three Major IR Website Evaluation Organizations for the Second Consecutive Year