Quality

We earn the trust of customers by providing safe, secure, high-quality buildings, infrastructure,
and services, exercising honest craftsmanship, and employing innovative technologies.

ESG initiative banner: Ensuring Quality and Strengthening Technical Capabilities.

Quality Management System

Following the Obayashi Quality Policy, we have implemented a quality management system (QMS) conforming to ISO 9001.

In both our building construction and civil engineering businesses with management systems, the executive officer responsible for quality (Director/Executive Vice President) is the superintendent of the QMS.

Under the QMS, we practice integrated quality management with a commitment to continuous quality improvement at all stages from planning to design, construction and after-sales services.

Obayashi Quality Policy

We construct high-quality buildings and infrastructure that our customers can use with a sense of security, comfort, and confidence. We continuously seek to improve our technologies and increase customer satisfaction, recognizing that quality is the key to enhancing our credibility and ensuring further growth.

Basic Goals

  • 1. Accurately determine customer needs.
  • 2. Offer the appropriate quality from an expert perspective and make sure that it meets these needs.
  • 3. Comply with applicable laws and regulations, standards, and specifications. Also make sure that work conforms to environmental and social conditions.
  • 4. Continually develop technology and use the best choice of technology that we possess.
  • 5. Preserve economy.
  • 6. Meet the construction deadline.
  • 7. Build safely.
  • 8. Prevent recurrence of defects/malfunctions.
  • 9. Respond appropriately to the customer's needs in regard to completed buildings.
  • 10. Always strive improve and enhance work.

QMS Promotion Framework

Diagram illustrating the QMS management review structure and the flow of quality audit results, customer satisfaction information, and quality improvement evaluations and directives.

See the website of the Japan Accreditation Board (JAB) for the status of ISO 9001 certification. (Available only in Japanese)

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Training Employees to Ensure High Quality

We conduct training designed to improve our engineers' construction management skills as part of our quest to maintain and improve quality. We provide training at the interactive facilities of our Robotics Centers using mock-ups of reinforcing bars, steel frames, exterior and interior finishes, and mechanical and electrical facilities not just for Company employees, but also for employees from Group companies as well as suppliers and subcontractors. This training helps them acquire the specialized knowledge they need for their particular jobs and learn techniques in construction management. We also provide various high-level training programs at our construction sites and the Technology Research Institute. This training includes, for example, hands-on technical training to enable participants to acquire the latest techniques.

  • Several people reviewing documents and filling out forms at the venue.

    Education and training

  • Several people wearing safety helmets reviewing construction components and posted materials.
  • Several people inspecting the placement and installation status of reinforcing bars in a construction area with exposed rebar.

The group designates once a year as "Quality Week" to raise awareness of quality and encourage quality control activities. We conduct activities suited to the tasks of each workplace. For construction sites, we comprise quality patrols, study sessions, and follow-up of quality planning documentation, while activities targeting office staff include quality control training and instructive talks by department heads.

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Progress on Initiatives for Ensuring Quality and Raising Awareness (FY2025 Results)

  • Number of manufacturing training sessions

    Building engineer: 22, M&E engineers: 6

  • Participation rate in manufacturing training (target participants)

    90%

  • Participation rate in training at Fuji Education and Training Center(*1) for new graduate hires (building construction)

    100%

  • Participation rate in hierarchical training programs organized by the Building Construction Division

    95%

  • Ratio of employees with important construction management credentials(*2)

    82.1%

Special quality patrol by the Lead QMS Officer during Quality Week
Several people reviewing drawings and receiving explanations in a scaffolded work environment.
Training to Craftsmanship
  • *1　A training facility run by the National Construction Industry Education and Training Association for construction engineers and skilled workers
  • *2　Professional engineer , registered first-class architect, and registered first-class construction management engineer (building construction, civil engineering, plumbing work, and electricity work) 

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