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Accredited materials testing at Tarmak Laboratories
Quality & Compliance

Accreditations & certifications

Internationally recognised management system certifications and government registrations that underpin every test we perform.

  • ISO 17025 Laboratory accredited
  • 4 ISO certifications
  • DGSM Registered
  • JSRS Supplier listed
Our commitment

Quality you can verify

Every report from Tarmak Laboratories is backed by accredited systems, audited processes, and compliance with international testing standards — giving clients and regulators confidence in every result.

Company certificates

Management system certifications

Independently audited certifications covering laboratory competence, quality, environment, and occupational health & safety.

ISO/IEC 17025 Laboratory accreditation Demonstrates technical competence and a quality management system for testing and calibration — the foundation of reliable, internationally accepted test results.
ISO 9001 Quality management system Certified quality processes ensuring consistent service delivery, client satisfaction, and continual improvement across all laboratory operations.
ISO 14001 Environmental management Commitment to environmental responsibility through systematic identification and control of environmental impacts in laboratory and field operations.
ISO 45001 Health & safety management Protecting employees, clients, and the public through proactive hazard identification and safe working practices in the lab and on site.
Government registrations

Accreditations & registrations

Official registrations with Omani authorities and supplier systems for public and private sector projects.

DGSM Standards & metrology Registered with the Directorate General of Standards and Metrology, Sultanate of Oman.
Testing standards

International standards compliance

All laboratory and site testing is conducted in accordance with relevant international standards and specifications, including:

ASTM BS / BS EN AASHTO GSO ISO DIN APHA USEPA WHO

Need accredited testing for your project?

Speak with our team about scope, standards, and documentation for your next submission.

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