Sustainability

Thailand's International Convention Center and Cambodia's National Road No.5 Receive 2nd OCAJI Project Award

Sustainability

Three Projects Receive ICONIC AWARDS 2023, Germany

IR

Disclosure of Engagement with Shareholders and Investors (April 2023 - March 2024)

IR

Established Obayashi Group IR & SR Basic Policy

IR

Notice Regarding Change of Representative Directors and Officers (PDF: 191.3 KB)

Civil Engineering

Website "Let's learn about tunnels! Obayashi Tunnel World" (Shield Tunneling) was updated

Sustainability

Registered as a TNFD Adopter

IR

Notice Concerning Revision of Capital Policy (PDF: 165.4 KB)

IR

Notice Concerning Changes in Dividend Policy and Revision to Dividend Forecasts (Dividend Increase) (PDF: 126.0 KB)

Sustainability

ES CON FIELD HOKKAIDO and Obayashi Sendai Umeda Dormitory were named the winners of the German Design Award 2024, an international design competition

Sustainability

Selected for CDP Climate Change A List for the Fourth Year in a Row

IR

FY2023 3rd Quarter : Summary of the Financial Results Briefing Conference (April 1, 2023 to December 31, 2023) (PDF: 137.7KB)

IR

FY2023 3rd Quarter : Supplementary Data on Financial Results (April 1, 2023 to December 31, 2023) (PDF: 176.3 KB)

IR

FY2023 3rd Quarter : Financial Results (April 1, 2023 to December 31, 2023) (PDF: 482.4 KB)

New Businesses

Commencement of PoC for Green Hydrogen Production, Transportation and Utilization in New Zealand and the Republic of Fiji

IR

FY2023 2nd Quarter : Summary of the Financial Results Briefing Conference (April 1, 2023 to September 30, 2023) (PDF: 154.2 KB)

Company Profile

Acquisition of Shares of Eastland Generation Limited (PDF: 121.4 KB)

IR

FY2023 2nd Quarter : Presentation on Financial Results (April 1, 2023 to September 30, 2023) (PDF: 2.5 MB)

IR

FY2023 2nd Quarter : Supplementary Data on Financial Results (April 1, 2023 to September 30, 2023) (PDF: 613.0 KB)

IR

FY2023 2nd Quarter : Financial Results (April 1, 2023 to September 30, 2023) (PDF: 1.1 MB)

Company Profile

Acquisition of Shares of MWH US Acquisitions, Inc. (PDF: 163.1 KB)

Building Construction

Obayashi Corporation Has Released Website "Smart BIM Standard®"

Sustainability

Obayashi Corporate Report 2023 is now available

Company Profile

Obayashi Corporate Profile is now available

Technologies

New Contents of "Technologies for Data Center" Have Been Added

IR

FY2023 1st Quarter : Summary of the Financial Results Briefing Conference (April 1, 2023 to June 30, 2023) (PDF: 140.4 KB)

Sustainability

Posted Statement on Modern Slavery and Human Trafficking (FY2022) (PDF: 712.7 KB)

Company Profile

Obayashi Corporation to Establish Procurement Division

IR

Consolidated Financial Statements (Year Ended March 31, 2023) with Independent Auditor's Report (PDF: 1.7 MB)

IR

Non-consolidated Financial Statements (Year Ended March 31, 2023) with Independent Auditor's Report (PDF: 575.8 KB)

Sustainability

Three Bridge Projects in Bangladesh Received Japan Construction International Award

IR

FY2023 1st Quarter : Supplementary Data on Financial Results (April 1, 2023 to June 30, 2023) (PDF: 202.7 KB)

IR

FY2023 1st Quarter : Financial Results (April 1, 2023 to June 30, 2023) (PDF: 625.7 KB)

Sustainability

Obayashi Corporation joins TNFD Forum

Sustainability

Obayashi Diversity & Inclusion website is now available

IR

Notice of Resolutions of the 119th Ordinary General Meeting of Shareholders (PDF: 93.6 KB)

Civil Engineering

Website "Let's know about the dam! Obayashi Dam World" has opened

IR

OBAYASHI CORPORATION's Opinion on the ISS Report (PDF: 371.0 KB)

IR

Notice of Convocation of the 119th Ordinary General Meeting of Shareholders (PDF: 991.6 KB)

IR

4th Quarter : Summary of the Financial Results Briefing for Fiscal Year Ended March 31, 2023 (Online Conference) and Main Questions and Answers (PDF: 162.4 KB)

IR

Opinion of the Board of Directors of the Corporation Regarding the Shareholder Proposal (PDF: 359.3 KB)

IR

Financial Data Book (FY ended March 31, 2019 - FY ended March 31, 2023) (PDF: 387.7 KB)

IR

4th Quarter : Presentation on Financial Results (April 1, 2022 to March 31, 2023) (PDF: 2.2 MB)

IR

4th Quarter : Supplementary Data on Financial Results (April 1, 2022 to March 31, 2023) (PDF: 719.2 KB)

IR

4th Quarter Financial Results (April 1, 2022 to March 31, 2023) (PDF: 674.4 KB)

IR

Notice Regarding the Receipt of a Shareholder Proposal (PDF: 127.7 KB)

Technologies

"Digital Twin App" is Developed to Create Digital Twins for Construction Sites

Building Construction

3D-Printed Demonstration Building "3dpod™" Completed

Sustainability

The Obayashi Group has established the Intellectual Property Policy

Sustainability

Notice of revision to the Obayashi Group Environmental Policy

New Businesses

Obayashi and Hitachi Solutions Established "Oprizon, Ltd.," a Joint Venture Providing Smart Building-related Services

IR

Notice Regarding Change of Audit & Supervisory Board Members (PDF: 122.1 KB)

Overseas Construction

Obayashi Corporation Invests in AFCryo Global Limited, a New Zealand Venture Developing Hydrogen Equipment Using Cryogenic Separation Technology

IR

Notice Regarding Change of Representative Directors and Officers (PDF: 231.0 KB)

Real Estate Development

Acquisition of 60 Gracechurch Street, Office Building in the City of London

Civil Engineering

Website of Obayashi Tunnel World (Conventional Tunneling and Shield Tunneling) was updated

Sustainability

The Obayashi Group has formulated Health and Productivity Management Policy

Sustainability

The Obayashi Group has formulated Obayashi Group Human Resource Management Policy

IR

3rd Quarter : Summary of the Financial Results Briefing for Fiscal Year Ending March 31, 2023 (Teleconference) and Main Questions and Answers (PDF: 152.3 KB)

IR

3rd Quarter : Supplementary Data on Financial Results (April 1, 2022 to December 31, 2022) (PDF: 300.7 KB)

IR

3rd Quarter Financial Results (April 1, 2022 to December 31, 2022) (PDF: 592.4 KB)

Building Construction

Obayashi Corporation Establishes Capital Alliance with Cypress Sunadaya, a Manufacturer and Distributor of Timber

Civil Engineering

OWJJ JV Awarded Contract for the first large-scale wastewater treatment plant in Special Region of Jakarta, Indonesia

Sustainability

Selected for CDP Climate Change A List for the Third Year in a Row

IR

2nd Quarter : Summary of the Financial Results Briefing for Fiscal Year Ending March 31, 2023 (Online Conference) and Main Questions and Answers (PDF: 210.6 KB)

Civil Engineering

Developed OBRIS™: Obayashi Bridge Renewal Integrated Management System

IR

2nd Quarter : Presentation on Financial Results (April 1, 2022 to September 30, 2022) (PDF: 2.9MB)

IR

2nd Quarter : Supplementary Data on Financial Results (April 1, 2022 to September 30, 2022) (PDF: 540.7KB)

IR

2nd Quarter Financial Results (April 1, 2022 to September 30, 2022) (PDF: 1.1MB)

IR

OBAYASHI CORPORATION announces revised financial forecasts for FY2022 (PDF: 112.7 KB)

Sustainability

Obayashi Group's GHG Emission Reduction Targets Approved by SBTi Based on 1.5℃ Criteria

Others

130th Anniversary of Obayashi Corporation Obayashi Group Exhibition "OBAYASHI VISION SHOWCASE 2022"

Sustainability

Obayashi Corporate Report 2022 is now available (PDF: 10.9 MB)

Sustainability

Introducing Obayashi Group's initiatives to Contribute to Achieving SDGs

Company Profile

Obayashi Corporate Profile is now available (PDF: 2.8 MB)

New Businesses

Obayashi Established a New Business Company "PLiBOT" to Provide a Wide Variety of Autonomous Mobile Robots and Integrated Control Platforms

IR

1st Quarter : Summary of the Financial Results Briefing for Fiscal Year Ending March 31, 2023 (Teleconference) and Main Questions and Answers (PDF: 129.2 KB)

Sustainability

Posted Statement on Modern Slavery and Human Trafficking (FY2022.3) (PDF: 438.7 KB)

Building Construction

Project awards announcement："Atlassian Central, The world's tallest hybrid-timber building"

Sustainability

Continued to be selected as a constituent of the ESG indexes used by the Government Pension Investment Fund (GPIF)

IR

1st Quarter : Supplementary Data on Financial Results (April 1, 2022 to June 30, 2022) (PDF: 147.0 KB)

IR

1st Quarter Financial Results (April 1, 2022 to June 30, 2022) (PDF: 518.0 KB)

IR

Non-consolidated Financial Statements (Year Ended March 31, 2022) with Independent Auditor's Report (PDF: 179.3 KB)

IR

Consolidated Financial Statements (Year Ended March 31, 2022) with Independent Auditor's Report (PDF: 509.6 KB)

Sustainability

Obayashi SVVL (Silicon Valley Ventures & Laboratory) received Special Prize of JAPAN Construction Int'l Award

IR

Notice of Resolutions of the 118th Ordinary General Meeting of Shareholders (PDF: 267.3 KB)

New Businesses

Obayashi Corporation Exchanged Views on Carbon Neutrality with New Zealand Prime Minister Jacinda Ardern

IR

Obayashi's Views on the ISS Report (PDF: 325.2 KB）

IR

Notice of Convocation of the 118th Ordinary General Meeting of Shareholders (PDF: 1.0 MB)

IR

4th Quarter : Summary of the Financial Results Briefing for Fiscal Year Ended March 31, 2022 (Online Conference) and Main Questions and Answers

Building Construction

Visual process management system "ProMIE™" has been upgraded

IR

Financial Data Book (FY ended March 31, 2018 - FY ended March 31, 2022) (PDF: 579.3 KB)

IR

4th Quarter : Presentation on Financial Results (April 1, 2021 to March 31, 2022) (PDF: 2.4 MB)

IR

4th Quarter : Supplementary Data on Financial Results (April 1, 2021 to March 31, 2022) (PDF: 814.6 KB)

IR

4th Quarter Financial Results (April 1, 2021 to March 31, 2022) (PDF: 801.0 KB)

Real Estate Development

Acquisition of Further Stake in 20 Gracechurch Street in the City of London

IR

Notice Regarding Change of Representative Director and Officers (PDF: 231.8 KB)

IR

Obayashi Group Medium-Term Business Plan 2022 Summary of the Briefing for Investors and Analysts (Zoom Conference) and Main Questions and Answers (PDF: 213.2 KB)

Building Construction

Development of AiCorb® to streamline the early stages of architectural design

Sustainability

Notice of New CO2 Emission Reduction Targets

IR

Formulation of Obayashi Group Medium-Term Business Plan 2022

Building Construction

Development of the 4D Construction Management Assistant System that reflects on-site operation status in real time

IR

3rd Quarter : Summary of the Financial Results Briefing for Fiscal Year Ending March 31, 2022 (Teleconference) and Main Questions and Answers (PDF: 136.0 KB)

Sustainability

Selected as "Supplier Engagement Leader" for the second year in a row

IR

3rd Quarter : Supplementary Data on Financial Results (April 1, 2021 to December 31, 2021) (PDF: 310.1 KB)

IR

3rd Quarter Financial Results (April 1, 2021 to December 31, 2021) (PDF: 580.9 KB)

Technologies

Successful cultivation of plants using simulated lunar soil as a step toward realizing space farming

Others

Introduction with a Video to the Five-year Path to the Restoration of the Castle Keeps of Kumamoto Castle

Company Profile

Obayashi Corporation's 130-year history, "Obayashi Chronicle 130 1892-2021" has been released

Sustainability

Selected as "A List" in CDP Climate Change Report for the Second Year in a Row

IR

Notice of Selection and Application to the Prime Market in the New Market Segments (PDF: 65.7 KB)

IR

2nd Quarter : Summary of the Financial Results Briefing for Fiscal Year Ending March 31, 2022 (Teleconference) and Main Questions and Answers (PDF: 206.5 KB)

Others

Virtual tours to invite you to discover the latest of Obayashi Corporation. "OBAYASHI LIVE SHOWCASE 2021"

Building Construction

Development of an autonomous logistics system for construction site with multi AGV(Automatic Guided Vehicle) collaboration

IR

2nd Quarter : Presentation on Financial Results (April 1, 2021 to September 30, 2021) (PDF: 1.4 MB)

IR

2nd Quarter : Supplementary Data on Financial Results (April 1, 2021 to September 30, 2021) (PDF: 588.6 KB)

IR

2nd Quarter Financial Results (April 1, 2021 to September 30, 2021) (PDF: 1.7 MB)

IR

OBAYASHI CORPORATION announces its revised financial forecasts for FY2021 (PDF: 92.0 KB)

Others

Website "Let's learn about tunnels! Obayashi Tunnel World" has opened

Company Profile

Obayashi Corporate Profile is now available (PDF: 2.8 MB)

Sustainability

Obayashi Corporate Report 2021 is now available (PDF: 10.9 MB)

Others

Obayashi Corporation is exhibiting at the 17th World Conference on Earthquake Engineering (17WCEE), and has opened a special website.

Sustainability

Posted Statement on Modern Slavery and Human Trafficking (FY2021.3) (PDF: 411.9 KB)

Sustainability

Notice of revision to the Obayashi Group Human Rights Policy

IR

1st Quarter : Summary of the Financial Results Briefing for Fiscal Year Ending March 31, 2022 (Teleconference) and Main Questions and Answers (PDF: 190.0 KB)

IR

Notice Regarding an Additional Contribution to the Board Incentive Plan Trust (PDF: 116.5 KB)

IR

1st Quarter : Supplementary Data on Financial Results (April 1, 2021 to June 30, 2021) (PDF: 169.3 KB)

IR

1st Quarter Financial Results (April 1, 2021 to June 30, 2021) (PDF: 796.0 KB)

Sustainability

Continued to be selected as a constituent of the four ESG indexes utilized by GPIF

IR

Non-consolidated Financial Statements (Year Ended March 31, 2021) with Independent Auditor's Report (PDF: 154.3 KB)

IR

Consolidated Financial Statements (Year Ended March 31, 2021) with Independent Auditor's Report (PDF: 410.3 KB)

Company Profile

The Obayashi Group has formulated tax governance policy

IR

Notice of Resolutions of the 117th Ordinary General Meeting of Shareholders (PDF: 102.7 KB)

New Businesses

Obayashi Corporation selected as equity partner for Hydrogen Refuelling Station Project by Ports of Auckland Limited, undertaking its 2nd hydrogen project in New Zealand

IR

Notice of Convocation of the 117th Ordinary General Meeting of Shareholders (PDF: 752.5 KB)

Others

Japan's first fully-wooden and fire-resistant high-rise structure "OY Project"

IR

4th Quarter : Summary of the Financial Results Briefing for Fiscal Year Ended March 31, 2021 (Teleconference) and Main Questions and Answers (PDF: 230.3 KB)

IR

Notice Regarding Extension and Partial Revision to the Board Incentive Plan Trust (PDF: 137.7 KB)

IR

Financial Data Book (FY ended March 31, 2017 - FY ended March 31, 2021) (PDF: 238.6 KB)

IR

4th Quarter : Presentation on Financial Results (April 1, 2020 to March 31, 2021) (PDF: 862.4 KB)

IR

4th Quarter : Supplementary Data on Financial Results (April 1, 2020 to March 31, 2021) (PDF: 1.2 MB)

IR

4th Quarter Financial Results (April 1, 2020 to March 31, 2021) (PDF: 1.5 MB)

Building Construction

Development of MR construction management application "holonica™" which superimposes BIM data over construction location data

IR

Notice Regarding Change of Representative Director and Officers (PDF: 177.8 KB)

Sustainability

Selected as "Leaderboard" in the Supplier Engagement Rating for the First Time

IR

3rd Quarter : Summary of the Financial Results Briefing for Fiscal Year Ending March 31, 2021 (Teleconference) and Main Questions and Answers (PDF: 190.3 KB)

IR

3rd Quarter : Supplementary Data on Financial Results (April 1, 2020 to December 31, 2020) (PDF: 494.3 KB)

IR

3rd Quarter Financial Results (April 1, 2020 to December 31, 2020) (PDF: 1.1 MB)

Company Profile

Regarding Cease and Desist Order and Surcharge Payment Order Received from Japan Fair Trade Commission (PDF: 14.0 KB)

Sustainability

Selected as "A List" in CDP Climate Change Report for the First Time

IR

Notice Regarding Change of Executive Officers, Etc. (PDF: 131.6 KB)

IR

2nd Quarter : Summary of the Financial Results Briefing for Fiscal Year Ending March 31, 2021 (Teleconference) and Main Questions and Answers (PDF: 207.9 KB)

IR

2nd Quarter : Presentation on Financial Results (April 1, 2020 to September 30, 2020) (PDF: 2.6 MB)

IR

2nd Quarter : Supplementary Data on Financial Results (April 1, 2020 to September 30, 2020) (PDF: 297.5 KB)

IR

2nd Quarter Financial Results (April 1, 2020 to September 30, 2020) (PDF: 360.2 KB)

Sustainability

Climate-Related Information Disclosure (Disclosure Based on TCFD Recommendations)

Company Profile

Concerning lawsuit over property constructed by Obayashi's US subsidiary Webcor

Sustainability

Obayashi Corporate Report 2020 is now available (PDF:9.8 MB)

New Businesses

BIRD INITIATIVE established to accelerate the creation of new businesses through cooperative R&D

New Businesses

Announcing Investment in APB, Developer of the "All-Polymer Battery," a Next-Generation Lithium-Ion Battery

New Businesses

Large-Scale Hydroponic Cultivation Experiments by Advanced Greenhouses Start on Indonesia's Bintan Island

Sustainability

Continued to be selected as a constituent of FTSE4 Good Index Series, FTSE Blossom Japan Index, and other major ESG investment indices

IR

1st Quarter : Summary of the Financial Results Briefing for Fiscal Year Ending March 31, 2021 (Teleconference) and Main Questions and Answers (PDF: 235.0 KB)

IR

Announcement of Revisions to the Financial and Dividend Forecasts (PDF: 175.7 KB)

IR

1st Quarter : Supplementary Data on Financial Results (April 1, 2020 to June 30, 2020) (PDF: 273.5 KB)

IR

1st Quarter Financial Results (April 1, 2020 to June 30, 2020) (PDF: 398.5 KB)

IR

Non-consolidated Financial Statements (Year Ended March 31, 2020) with Independent Auditor's Report (PDF: 1.0 MB)

IR

Consolidated Financial Statements (Year Ended March 31, 2020) with Independent Auditor's Report (PDF: 3.2 MB)

Technologies

World's First Successful Technology Verification of 100% Hydrogen-fueled Gas Turbine Operation with Dry Low NOx Combustion Technology

Sustainability

Posted Statement on Modern Slavery and Human Trafficking (FY2020.3) (PDF:1.9 MB)

Sustainability

Support for TCFD (Task Force on Climate-related Financial Disclosures)

IR

Notice of Resolutions of the 116th Ordinary General Meeting of Shareholders (PDF:100.0 KB)

Others

Spam Alert: Please be aware of emails spoofing Obayashi officers

Civil Engineering

New Deck Slab Replacement Method DAYFREE™ to Reduce Traffic Congestion Developed and Deployed

IR

Financial Data Book (FY Ended March 31, 2016 - FY Ended March 31, 2020) (PDF:406.0 KB)

IR

Notice of Convocation of the 116th Ordinary General Meeting of Shareholders (PDF:692.6 KB)

Company Profile

Response to Ending of the Declaration of State of Emergency

IR

4th Quarter : Summary of the Financial Results Briefing for Fiscal Year Ended March 31, 2020 (Teleconference) and Main Questions and Answers (PDF:189.3 KB)

IR

4th Quarter : Supplementary Data on Financial Results (April 1, 2019 to March 31, 2020) (PDF:416.7 KB)

IR

4th Quarter Financial Results (April 1, 2019 to March 31, 2020) (PDF:404.8 KB)

Company Profile

Response to Declaration of a State of Emergency under the COVID-19 Special Law

IR

Notice Regarding Change of Officers (PDF:197.7 KB)

Technologies

Introducing the largest scale 3D-printed structure in Japan with the video

Company Profile

Implementation of telecommuting at the Head Office, Tokyo Main Office, Yokohama Branch, and Kanto Branch

Others

The Sustainable Agriculture of the Future "the 'Compact Agriculture' Concept"

Sustainability

Selected as "A-" in CDP Climate Change Report 2019

IR

3rd Quarter : Main Questions and Answers from the Financial Results Briefing for Fiscal Year Ending March 31, 2020 (Teleconference) (PDF:99.7 KB)

IR

3rd Quarter : Supplementary Data on Financial Results (April 1, 2019 to December 31, 2019) (PDF:194.7 KB)

IR

3rd Quarter Financial Results (April 1, 2019 to December 31, 2019) (PDF:279.2 KB)

IR

2nd Quarter : Main Questions and Answers from the Financial Results Briefing for Fiscal Year Ending March 31, 2020 (PDF:102.1 KB)

IR

2nd Quarter : Presentation on Financial Results (April 1, 2019 to September 30, 2019) (PDF:2.9 MB)

IR

2nd Quarter : Supplementary Data on Financial Results (April 1, 2019 to September 30, 2019) (PDF:383.1 KB)

IR

2nd Quarter Financial Results (April 1, 2019 to September 30, 2019) (PDF:363.9 KB)

Sustainability

Obayashi Corporate Report 2019 is now available (PDF:7.9 MB)

IR

1st Quarter : Supplementary Data on Financial Results (April 1, 2019 to June 30, 2019) (PDF:172.6 KB)

IR

1st Quarter Financial Results (April 1, 2019 to June 30, 2019) (PDF:404.0 KB)

Company Profile

Regarding Cease and Desist Orders and Surcharge Payment Orders Received from the Japan Fair Trade Commission Concerning a Subsidiary (Obayashi Road Corporation) (PDF:70.0 KB)

IR

Non-consolidated Financial Statements (Year Ended March 31, 2019) with Independent Auditor's Report (PDF:479.2 KB)

IR

Consolidated Financial Statements (Year Ended March 31, 2019) with Independent Auditor's Report (PDF:819.7 KB)

Sustainability

Posted Slavery and Human Trafficking Statement in accordance with the UK Modern Slavery Act 2015 (PDF:191.7 KB)

Sustainability

Selected for FTSE4Good Index Series, FTSE Blossom Japan Index, and other major ESG investment indices

Sustainability

Obayashi Corporation has issued a sustainability bond

Sustainability

"Obayashi Green Vision 2050" updated to "Obayashi Sustainability Vision 2050"

IR

Financial Data Book (FY Ended March 2015 - FY Ended March 2019) (PDF:175.5 KB)

IR

4th Quarter : Main Questions and Answers from the Financial Results Briefing for Fiscal Year Ended March 31, 2019 (PDF:114.3 KB)

IR

4th Quarter Presentation on Financial Results (April 1, 2018 to March 31, 2019) (PDF:2.1 MB)

New Businesses

Obayashi forms partnership with Siemens Gamesa Renewable Energy for Northern Akita Offshore Wind Farm Project

IR

Notice of Resolutions of the 115th Ordinary General Meeting of Shareholders (PDF:16.7 KB)

Sustainability

Obayashi Corporation has received a Second Party Opinion on Obayashi Sustainability Bond from DNV GL Business Assuarance Japan K. K. (Sustainability bond eligibility pre-issue assessment report) (PDF:866.3KB)

Others

Spam Alert: Fraudulent Email Sent in the Name of Obayashi Group

IR

Notice of Convocation of the 115th Ordinary General Meeting of Shareholders (PDF:676.1KB)

IR

4th Quarter Supplementary Data on Financial Results (April 1, 2018 to March 31, 2019) (PDF:395.2KB)

IR

4th Quarter Financial Results (April 1, 2018 to March 31, 2019) (PDF:433.9KB)

IR

Notice Regarding Change of Representative Director and Officers(PDF:178.0KB)

IR

3rd Quarter Supplementary Data on Financial Results (April 1 to December 31, 2018) (PDF:175.9KB)

IR

3rd Quarter Financial Results (April 1 to December 31, 2018) (PDF:438.6KB)

Company Profile

Regarding a Suspension of Business Penalty in Accordance with the Construction Business Act(PDF:62.9KB)

New Businesses

Joint development agreement signed with Tuaropaki Trust, will build hydrogen production plant

Others

Spam Alert: Fraudulent Email Sent in the Name of Obayashi Group

IR

2nd Quarter Presentation on Financial Results (April 1 to September 30, 2018) (PDF:612.9KB)

IR

2nd Quarter Supplementary Data on Financial Results (April 1 to September 30, 2018) (PDF:285.8KB)

IR

2nd Quarter Financial Results (April 1 to September 30, 2018) (PDF:482.3KB)

Sustainability

Obayashi Corporation has issued a green bond

Company Profile

Regarding a Judgment on a violation of the Antimonopoly Act(PDF:70.8KB)

Sustainability

Obayashi Corporation has received a Second Party Opinion on Obayashi Green Bond from DNV GL Business Assuarance Japan K. K. (Green bond eligibility pre-issue assessment report)(PDF:1.07MB)

Civil Engineering

Ceremony Marks Start of Impoundment at Nam Ngiep 1 Hydropower Project in Laos

Sustainability

Obayashi Corporate Report 2018 is now available(PDF:7.2MB)

Company Profile

Notice Regarding the Establishment of a Third-party Committee(PDF:67.8KB)

IR

Supplementary Data on First Quarter Financial Results for Fiscal Year Ending March 31, 2019(PDF:164.5KB)

IR

Appendix to First Quarter Financial Results for Fiscal Year Ending March 31, 2019(PDF:367.5KB)

IR

Summary of First Quarter Financial Results for Fiscal Year Ending March 31, 2019 (PDF:149.8KB)

IR

Notice of Resolutions of the 114th Ordinary General Meeting of Shareholders (PDF:17KB)

IR

Investor presentation on Financial Results for FY2017 and Forecasts for FY2018(PDF:1,130KB)

IR

Notice Regarding Extension of the Board Incentive Plan Trust (PDF:179KB)

IR

Formulation of Recurrence Prevention Policy (PDF:116KB)

IR

Notice of Convocation of the 114th Ordinary General Meeting of Shareholders (PDF:624KB)

IR

Financial Data Book (FYE March 2014 - FYE March 2018) (PDF:169KB)

IR

Supplementary Data on Financial Results for FY2017 Ended March 2018(PDF:395KB)

IR

Appendix to the Financial Statements FY2017 Ended March 2018 (PDF:397KB)

IR

Summary of the Financial Results for FY2017 Ended March 2018 (PDF:338KB)

Others

Spam Alert: Fraudulent Email Sent in the Name of "Obayashi Electric Inc"

IR

Regarding the Indictment due to a Violation of the Antimonopoly Act and the Volunteering Return of Directors' Remuneration(PDF:92KB)

IR

Notice Regarding Change of Representative Director and Officers(PDF:143.2KB)

New Businesses

New venture between Tuaropaki Trust and Obayashi Corporation to investigate hydrogen production using geothermal energy.

IR

Supplementary Data on Financial Results for 3rd Quarter (cumulative) of FY2017 Ending March 2018 (PDF:229KB)

IR

Appendix to the Financial Statements for 3rd Quarter (cumulative) of FY2017 Ending March 2018 (PDF:391KB)

IR

Financial Statements 3rd Quarter of FYE 3/2018 (PDF:145KB)

Sustainability

OBAYASHI AWARDED PRESTIGIOUS WELL CERTIFICATION BY THE INTERNATIONAL WELL BUILDING INSTITUTE™ The first WELL Certified™ project in Japan

IR

Notice Regarding Change of President and Transfer of Representative Director(PDF:113KB)

IR

Regarding News Reports about OBAYASHI CORPORATION(PDF:19KB)

IR

Regarding the Search Performed by the Tokyo District Public Prosecutors Office and the Japan Fair Trade Commission(PDF:20KB)

IR

Regarding the Investigation Carried out by the Special Investigation Department, Tokyo District Public Prosecutors Office(PDF:17KB)

IR

Investor presentation on Financial Results for 2Q/FY2017 (cumulative) and Forecasts for Full FY2017 (PDF:638KB)

IR

Supplementary Data on Financial Results for 2nd Quarter (cumulative) of FY2017 Ending March 2018 (PDF:314KB)

IR

Appendix to the Financial Statements for 2nd Quarter (cumulative) of FY2017 Ending March 2018 (PDF:211KB)

IR

Financial Statements for 2nd Quarter of FYE 3/2018 (PDF:161KB)

IR

Obayashi Corporate Report 2017 is now available(PDF:10,260KB)

IR

Supplementary Data on Financial Results for 1st Quarter of FY2017 Ending March 2018(PDF:208KB)

IR

Appendix to the Financial Statements for 1st Quarter of FY2017 Ending March 2018 (PDF:241KB)

IR

Financial Statements for 1st Quarter of FYE 3/2018 (PDF:149KB)

IR

Notice of Resolutions of the 113th Ordinary General Meeting of Shareholders (PDF:91KB)

IR

Notice Regarding Results of Tender Offer for Shares of Obayashi Road Corporation (Securities Code: 1896)(PDF:199KB)

IR

Notice of Convocation of the 113th Ordinary General Meeting of Shareholders (PDF:618KB)

IR

Investor presentation on Financial Results for FY2016 and Forecasts for FY2017 (PDF:2,765KB)

IR

Financial Data Book (FYE March 2013 - FYE March 2017) (PDF:164KB)

IR

Supplementary Data on Financial Results for FY2016 Ended March 2017 (PDF:388KB)

IR

Financial Statements FYE 3/2017 Results and FYE 3/2018 Forecast(PDF:306KB)

IR

Notice Regarding Commencement of Tender Offer for Shares of Obayashi Road Corporation (Securities Code: 1896)(PDF:632KB)

IR

Announcement of Revisions for the Financial and Dividends Forecasts as well as the Formulation of the Medium-Term Business Plan (PDF:90KB)

IR

Supplementary Data on Financial Results for 3rd Quarter (PDF:189KB)

IR

Financial Statements for 3rd Quarter of FYE 3/2017 (PDF:211KB)

IR

Investor presentation on Financial Results for 2Q/ FY2016(cumulative)and Forecasts for Full FY2016(PDF:784KB)

IR

Supplementary Data on Financial Results for 2nd Quarter (cumulative) of FY2016 Ending March 2017(PDF:367KB)

IR

Financial Statements for 2nd Quarter of FYE 3/2017 (PDF:254KB)

IR

Obayashi Corporate Report 2016 is now available(PDF:11,448KB)

IR

Announcement of Revisions for the Financial Forecasts (PDF:84KB)

IR

Media coverage of a condominium Webcor (Obayashi's subsidiary in the US) built(PDF:32KB)

IR

Supplementary Data on Financial Results for 1st Quarter (cumulative) of FY2016 Ending March 2017(PDF:185KB)

IR

Financial Statements for 1st Quarter of FYE 3/2017 (PDF:149KB)

IR

Notice of Resolutions of the 112th Ordinary General Meeting of Shareholders (PDF:92KB)

IR

Investor presentation on Financial Results for FY2015 and Forecasts for FY2016 (PDF:2,221KB)

IR

Financial Data Book (FYE March 2012 - FYE March 2016) (PDF:241KB)

IR

Supplementary Data on Financial Results for FY2015 Ended March 2016 (PDF:381KB)

IR

Notice of Convocation of the 112th Ordinary General Meeting of Shareholders (PDF:164KB)

IR

Financial Statements for FYE 3/2016 Results and FYE 3/2017 Forecast (PDF:289KB)

IR

Announcement of Revisions for the Financial and Dividends Forecasts(PDF:89KB)

IR

Announcement of Recognition of Compensation for Damages (Extraordinary loss) caused by construction delay(PDF:76KB)

IR

Supplementary Data on Financial Results for 3rd Quarter (cumulative) of FY2015 Ending March 2016(PDF:151KB)

IR

Financial Statements for 3rd Quarter of FYE 3/2016 (PDF:579KB)

IR

Investor presentation on Financial Results for 2Q/ FY2015 (cumulative) and Forecasts for Full FY2015(PDF:888KB)

IR

Supplementary Data on Financial Results for 2nd Quarter (cumulative) of FY2015 Ending March 2016(PDF:286KB)

IR

Financial Statements for 2nd Quarter of FYE 3/2016 (PDF:255KB)

IR

Announcement of Revisions for the Financial Forecasts (PDF:84KB)

IR

Obayashi Corporate Report 2015 is now available(PDF:13,502KB)

IR

Announcement of Revisions for the Financial Forecasts (PDF:135KB)

IR

Financial Statements for 1st Quarter of FYE 3/2016 (PDF:207KB)

IR

Notice of Resolutions of the 111th Ordinary General Meeting of Shareholders (PDF:89KB)

IR

Investor presentation on Financial Results for FY2014 and Forecasts for FY2015 (PDF:1,570KB)

IR

Financial Data Book (FYE March 2011 - FYE March 2015) (PDF:152KB)

IR

Supplementary Data on Financial Results for FY2014 Ended March 2015 (PDF:603KB)

IR

Notice of Convocation of the 111th Ordinary General Meeting of Shareholders (PDF:249KB)

IR

Financial Statements for FYE 3/2015 Results and FYE 3/2016 Forecast (PDF:351KB)

IR

Announcement of the Revisions for the Financial and Dividends Forecasts as well as the Formulation of the Medium-Term Business Plan (PDF:55KB)

IR

The Announcement of Acquiring Ownership of Kraemer North America, LLC, General Contractor in U.S.A.

IR

Financial Statements for 3rd Quarter of FYE 3/2015 (PDF:310KB)

IR

Investor presentation on Financial Results for 2Q/ FY2014 (cumulative) and Forecasts for Full FY2014(PDF:2,285KB)

IR

Supplementary Data on Financial Results for 2nd Quarter (cumulative) of FY2014 Ending March 2015(PDF:593KB)

IR

Financial Statements for 2nd Quarter of FYE 3/2015

Technologies

The Space Elevator Construction Concept

IR

Announcement of Revisions for the Financial Forecasts

Sustainability

Obayashi Technical Research Institute was honored as an outstanding sustainable building

IR

OBAYASHI Corporate Report 2014 (Financial, Social and Environmental Performance) is now available(PDF:6,192KB)

Others

Engineering Service Microelectronics Manufacturing Facilities

Others

New contents of "Technologies for Industrial facilities" have been added.

Others

Pharmaceutical Production Facility Engineering

Others

Food and Beverage Factory

IR

Financial Statements for 1st Quarter of FYE 3/2015

IR

Notice of Resolutions of the 110th Ordinary General Meeting of Shareholders

IR

Notice of Convocation of the 110th Ordinary General Meeting of Shareholders

IR

Investor presentation on Financial Results for FY2013 and FY2014

IR

Financial Data Book (FYE March 2010 - FYE March 2014)

IR

Supplementary Data on Financial Results for FY2013 Ended March 2014

IR

Financial Statements for FYE 3/2014 Results and FYE 3/2015 Forecast

Others

"Projects" updated

IR

Announcement of Revisions for the Financial Forecasts

Civil Engineering

Acted as President of the Beavers Heavy Engineering Construction Association

IR

Financial Statements for 3rd Quarter of FYE 3/2014

Civil Engineering

Obayashi Participated in the 1st Arabian Tunnelling Conference 2013

Sustainability

Obayashi Receives Highest LEED Point Total for an Existing Building in Japan with Support from Webcor Builders

Civil Engineering

World class Large Tunnel Boring Machines Started Operation

IR

Investor presentation on Financial Results for 2Q/ FY2013 (cumulative) and Forecasts for Full FY2013

IR

Supplementary Data on Financial Results for 2nd Quarter (cumulative) of FY2013 Ending March 2014

Civil Engineering

Order Received for Nam Ngiep 1 Hydropower Project in Laos

IR

Financial Statements for 2nd Quarter of FYE 3/2014

Others

Beware of Fake, Spoof Emails (written again)

Sustainability

Project Award Announcement: Jakarta MRT Project

IR

Obayashi Included in FTSE4Good Global Index for Tenth Consecutive Year

Sustainability

URUP (Ultra Rapid Under Pass) Method wins the Prime Minister's Prize in the Fifth Monodzukuri Nippon Grand Award

IR

OBAYASHI Corporate Report 2013 (Financial, Social and Environmental Performance) is now available(PDF:5,640KB)

Sustainability

Obayashi Corporation participated in the United Nations Global Compact

Sustainability

Obayashi Named to Dow Jones Sustainability Index Asia Pacific for Third Consecutive Year

Sustainability

Project Award Announcement: A Large-scale Development Project in Singapore

IR

Financial Statements for 1st Quarter of FYE 3/2014 (PDF:604KB)

Others

"Projects" updated

IR

Notice of Resolutions of the 109th Ordinary General Meeting of Shareholders (PDF:85KB)

IR

Notice of Convocation of the 109th Ordinary General Meeting of Shareholders (PDF:182KB)

Sustainability

Project Award Announcement: A Large-scale Development Project in Qatar

IR

Financial Statements for FYE 3/2013 Results and FYE 3/2014 Forecast (PDF:632KB)

Sustainability

LEED®-CS Platinum Award for a Complex constructed by Thai Obayashi

IR

Financial Statements for 3rd Quarter of FYE 3/2013 (PDF:444KB)

Building Construction

TOKYO SKYTREE® of "Projects" posted

IR

Investor meeting to present Financial Results for 2Q/ FY2012 (cumulative) and Forecasts for Full FY2012

IR

Supplementary Data on Financial Results for 2nd Quarter(cumulative) of FY2012 Ending March 2013

Sustainability

The presentation of 'URUP', Ultra Rapid Under Pass, for the British Tunnelling Society

Civil Engineering

MHI and Obayashi Jointly Develop "Radiation-shielded Seat" To Suppress Radiation Exposure of Machinery Operators Working in Radiation-contaminated Areas

IR

Financial Statements for 2nd Quarter of FYE 3/2013 (PDF:516 KB)

IR

Announcement of Revisions for the Financial Forecasts

IR

OBAYASHI Corporate Report 2012 (Financial, Social and Environmental Performance) is now available(PDF:6,992KB)

Civil Engineering

Acceptance of Order from Singapore Power for Design and Construction of East-West Transmission Cable Tunnel Contract

Others

"Projects" updated

IR

Obayashi named to a constituent of the Dow Jones Sustainability Indexes Asia Pacific (2012/2013) for second consecutive year

Civil Engineering

Obayashi, TOA and MBE to Begin Construction of Vertical Telescopic Breakwater at Shimotsu Harbor, Wakayama

IR

Financial Statements for 1st Quarter of FYE 3/2013

IR

Investor meeting to present FY2011 and outlook for full FY2012

IR

Supplementary Data on Financial Results for FY2011 Ended March 2012

IR

Notice of Resolutions of the 108th Ordinary General Meeting of Shareholders

IR

Notice of Convocation of the 108th Ordinary General Meeting of Shareholders (PDF:125KB)

IR

Financial Statements for FYE 3/2012 Results and FYE 3/2013 Forecast (PDF:600KB)

IR

Announcement on recognition of extraordinary loss and changes in forecasts(PDF:76KB)

Sustainability

Hoover dam bypass project was named the winner of Outstanding Civil Engineering Achievement Award

Building Construction

Obayashi signs agreement on comprehensive business alliance with Aidea

IR

Obayashi announced "Obayashi Group Medium Term Business Plan 2012"

Building Construction

The world's tallest tower, Tokyo Sky Tree was completed

IR

Financial Statements for 3rd Quarter of FYE 3/2012

IR

Announcement on Changes in Forecasts

IR

Investor meeting to present 2Q/FY2011 (cumulative) and outlook for full FY2011

IR

Supplementary Data on Financial Results for 2nd Quarter(cumulative) of FY2011 Ending March 2012

Civil Engineering

Order Received for Construction of Weston Tunnel Phase3

Building Construction

Order Received for first large-scale multi-use stadium in Taiwan

Sustainability

Obayashi provides aid to victims of flood in Thailand

IR

Financial Statements for 2nd Quarter of FYE 3/2012 (PDF:509 KB)

IR

Announcement on Changes in Forecasts

IR

Obayashi named to a constituent of the FTSE4Good Global Index for eight consecutive years

IR

Obayashi named to a constituent of the Dow Jones Sustainability Indexes Asia Pacific (2011/2012)

Civil Engineering

Completion of the Dubai Metro Urban Rail System with a total length of 75 kilometers in Dubai, United Arab Emirates

Sustainability

CSR Report 2011 is now available.

IR

Financial Statements for 1st Quarter of FYE 3/2012 (PDF:311 KB)

IR

Notice of Resolutions of the 107th Ordinary General Meeting of Shareholders (PDF:81KB)

IR

Notice of Convocation of the 107th Ordinary General Meeting of Shareholders (PDF:125KB)

IR

Financial Statements for FYE 3/2011 Results and FYE 3/2012 Forecast (PDF:606KB)

IR

Announcement on recognition of gain on sales of investment securities

IR

Changes in Corporate Auditors

IR

Announcement on acquisition of shares in Seiwa Real Estate

IR

Tohoku - Pacific Ocean Earthquake: Announcement regarding the effect on our operations

IR

Announcement on acquisition of shares in Kenaidan, a Canadian general contracting company

IR

Changes in Representative Directors, Directors and Executive Officers

IR

Announcement on loans and receivables uncollectible from a subsidiary

IR

Financial Statements for 3rd Quarter of FYE 3/2011 (PDF:333 KB)

IR

Financial Statements for 2nd Quarter of FYE 3/2011 (PDF:505 KB)

Sustainability

CSR Report 2010 is now available.

Others

Obayashi is building the number one tower in the world!

IR

Financial Statements for 1st Quarter of FYE 3/2011 (PDF:489 KB)

IR

Notice of Resolutions of the 106th Ordinary General Meeting of Shareholders (PDF:18KB)

IR

Notice of Convocation of the 106th Ordinary General Meeting of Shareholders (PDF:132KB)

IR

Financial Statements for FYE 3/2010 Results and FYE 3/2011 Forecast (PDF:494KB)

IR

Financial Statements for 3rd Quarter of FYE 3/2010 (PDF:93 KB)

IR

Financial Statements for 2nd Quarter of FYE 3/2010 (PDF:116 KB)

IR

Financial Statements for 1st Quarter of FYE 3/2010 (PDF:92 KB)

IR

Notice of Convocation of the 105th Ordinary General Meeting of Shareholders

IR

Financial Statements for FYE 3/2009 Results and FYE 3/2010 Forecast (PDF:107KB)

IR

Financial Statements for 3rd Quarter of FYE 3/2009 (PDF:38 KB)

IR

Financial Statements for 2nd Quarter of FYE 3/2009 (PDF:99 KB)

IR

Announcement on the Changes in Forecasts