Enabling Safer & Reliable Operations

One of the pioneers of calibration, Inspection and testing companies
operating in the gulf region

Headquartered in Dubai and with regional presence in Qatar, Oman, Iraq and Bahrain, Gray Mackenzie Engineering Services is one of the pioneers of calibration, inspection and testing companies operating in the gulf region. We further extend our services in the entire Middle Eastern region.

For over two decades, GMES has been offering its services with highest level of integrity, with the help of our expert human capital and well-equipped laboratories conforming to International Quality Management Standards (ISO 9001 & 17025).

About GMES

GMES Service Quality is assured by following measures;

  • Well maintained labs equipped with Reference Calibration / Test Equipment’s from world’ best brands having traceability from UKAS Accredited Labs.
  • Quality Management System certified to ISO 9001 Dubai Municipality Local Order 52 and ISO/IEC 17025.
  • Calibration and Testing, Procedures based upon BS/EN, ASTM, IEC, SASO, GSO, UAE.S, API standards, OIML recommendations NPL and EUROMET measurement guides.
  • Calibration and Testing Engineers are well trained and experience.


We are a highly professional company ready to serve our prestigious clients across the globe with competitive rates and quality services.
What we do

Our Expertise:

GMES is an Integrated Inspection, Testing and Calibration Services Provider throughout Middle East and Gulf Region and extending value added services to the Engineering, Manufacturing, Oil & Gas, Process Industries, Construction, Power & Utilities and Commercial Sectors.

Instrument Calibration

GMES posses the necessary competence and reference against the following parameters: Pressure, Temperature, Torque, Dimensional ...

Building & Facility

Accidents due to failure of installations in all type of buildings and facilities are still a continuing peroblem throughout the world...

HSE Services

HSE Risk Assessment of plants and buildings. HSE Services on construction project sites. HSE Audits of Suppliers on project sites....

Valve Testing & Repair

Valve Testing services are offered onsite and in our workshop facility as per international standard and guidelines in the following areas, with state...

Electrical Appliances Testing

GMES is also capable of performing tests on many other products based on various national and international standards.

Environmental Testing

Every day our ecosystem is effected by activities that pollute soil, water and air. Pollution on animals, humans and the environment can be devastating.

Product Certification

Exporting your products? GMES can help you comply with import and export requirements, assisting smooth customs clearance.

Industrial Services

GMES has a team of experienced and well qualified Engineers and Inspectors to perform quality and Safety inspections that ensures the equipment,..

Training & Advisory

Gray Mackenzie Training & Advisory is a division of Gray Mackenzie Engineering Services. Gray Mackenzie Engineering Services is a service....

Trading & Packaging

GMES is the authorized distributor of MSSC LLC (Marsh Products USA for Markings) and Welding Consumables Brands and is an...


Company From All Around The World
trust on GMES for awesome project

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Gray Mackenzie Engineering Services