About Us

Company Profile

MCCS INTERNATIONAL: Your Global Partner in Mechanical Completion and Commissioning Services


MCCS International is a truly global company, renowned for its extensive experience in commissioning engineering and maintenance for challenging onshore and offshore projects worldwide. Our expertise spans diverse sectors, including production process platforms, FPSO vessels, onshore oil & gas, petrochemical plants, oil storage facilities, and power stations.

As an experienced Sub-Contractor to the Main contractor and EPCIC’s, MCCS offers professional services throughout the project life cycle, from the engineering phase to execution. Our unique team of personnel excels in delivering exceptional solutions in Engineering (E), Construction (C), Installation (I) and Commissioning (C) stages.


Company Profile Company Overview: MCCS

Established in 1993, MCCS Ltd began as a UK-based Mechanical Completion and Commissioning Company, specialising in projects ranging from new build FPSO’s to process platform upgrades. With a strong foothold in the North Sea and Southern Europe, the company has evolved into an international player.

In 2001, MCCS relocated its headquarters to Kuala Lumpur, Malaysia, while maintaining branch offices in the UK and Spain. Over the past 18 years, MCCS has become a renowned specialist contractor, offering expertise in mechanical completion, commissioning, oil and gas decommissioning, process system testing, flange management, and maintenance.

Key Services

Commissioning Engineering: Software-based technical preparation for Pre-Commissioning and Commissioning, including systemization checklists, test sheets, procedures, and punch list databases.- Flange Management: Providing hydraulic bolt tensioning, hydraulic and manual bolt torquing, along with the necessary procedures and certification during any oil & gas project phase.

Nitrogen & Helium Leak Testing

Ensuring safe operation by detecting potential hazardous hydrocarbon leaks before start-up through inert gas testing at or near maximum working pressure.

System Commissioning & Maintenance

Offering comprehensive services from Mechanical Completion (Pre-Commissioning) to Performance Testing, Handover to end-users, and ongoing maintenance.

Miscellaneous Services

Supplying multi-discipline manpower, equipment rental, camera inspection, hydro-testing, nitrogen purging, and high-pressure jetting (Rotor Fan & Retro jet).

MCCS is recognized for its commitment to providing cost-effective and innovative solutions, solidifying its reputation as a professional partner.