Our Operational Excellence Services

For many years, JGC has provided solution to meet the various expectations of plant owners. This page introduces our Operational Excellence Services.

Click below to learn more about each service.


JGC Group provide a large variety of Decarbonization Program which is the proprietary GHGs assessment solution and optimized operation service based on our successful experiences in countless EPC & O&M fields.

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Decarbonization Program


Our engineers have a wealth of experience, knowledge and enthusiasm for all aspects of plant engineering, and channel their expertise through cutting-edge engineering tools to provide Profitability Improvement service of the highest quality without major CAPEX.

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Profitability Improvement Program

Reliability & Maintenance

In addition to highly developed engineering technologies and the application of its safety management skills, JGC O&M service improves plant reliability, availability, and quality by collaborating with global affiliates companies and local maintenance companies.

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Mechanical Integrity Program

Turnaround Assistance Program

Maintenance Improvement Program


HSE service focuses on systematic identification and evaluation of plant risks based on our long experience in on-site HSE and our own excellent evaluation methods, and on proposing systems that can ensure safe plant operation without major CAPEX.

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Operational HSE Risk Management Program

Fire Protection Improvement Program

HSE Improvement Program

Commissioning & Startup

Our commissioning engineers are passionate about risk in commissioning and start-up management, and work closely with the client to create the optimized plan taking into account lessons learned and our knowledge from our many previous projects, aiming always to deliver the best commissioning and startup service.

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  • Decarbonized Commissioning and Start up
  • Recommissioning service (Restart)

Operations Readiness & Assurance Program

Technical Assistance & Training

Over the past several decades, JGC Group has conducted various engineer training programs and technical assistance programs at plant site and remote locations. Many of our clients have achieved considerable improvements in their employee skills and plant operations which significantly contribute to the profitability and efficiency of their business.

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Technical Assistance Service

Training Service

Smart O&M Solution

JGC has developed its own process and unit operation technologies which have been adapted to a wide range of energy and industrial plants.

Plant Smartification Program

Maintenance and Inspection Digital Twins Program