CMTL is committed to delivering consistent quality throughout all our operations, ensuring best practice and compliance to regulations.

Our industry accreditations and memberships reinforce our commitment to delivering the highest standards to meet our customers' high expectations.

Quality is a critical factor in all our market sectors. We operate a ISO/IEC 17025: 2017 quality management system to ensure service excellence throughout all of our laboratories.

Our Accreditations

Our 1740 accreditation is limited to those activities described on our UKAS schedule of accreditation.

UKAS Accreditation

UKAS is the National Accreditation Body for the United Kingdom. Appointed by the government, UKAS assess and accredit companies that provide certification, testing, inspection and calibration services. Our UKAS testing accreditation reinforces our professional integrity and technical competence throughout our testing services. Our 1740 accreditation is limited to those activities described on our UKAS schedule of accreditation.


CHAS Certification

The Contractors Health and Safety Assessment Scheme (CHAS) is the market leader for pre-qualification in the UK. Our CHAS certification demonstrates compliance with and sound management of health and safety legislation.

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Deep Foundations Institute (DFI) Membership

Our focus on innovation and development is evidenced by our active DFI membership. The DFI provides a forum for a shared vision of continual advancement in the deep foundations industry.


BINDT Certification

As a certified member of the British Institute of Non-destructive Testing (BINDT), we are committed to delivering the highest of standards within this vital sector of the engineering industry.

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SMAS Worksafe Certification

SMAS Worksafe help businesses demonstrate their health and safety compliance through their SSIP accreditation scheme. CMTL’s Worksafe Contractors certification proves that we adopt a pro-active safety culture within our business.

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Achilles UVDB Registration

CMTL is successfully Achilles UVDB registered. This provides us with further opportunity to offer its value-added services for national contracts. It demonstrates our excellence across the industry in health and safety, quality, corporate social responsibility, and environmental protection issues.


Interface QMS Certificate

CMTL operates a Quality Management System which complies with the requirements of ISO 9001:2015 for the delivery of high-quality geotechnical testing of construction and civil engineering materials.


Interface EMS Certificate

CMTL's Environmental Management System is fully compliant with ISO 14001:2015 which is a globally recognised standard that assures sustainable business operations.


Interface Health & Safety Management System Certificate

Our ISO 45001:2018 certification supports the development of our health and safety policies and objectives to improve workplace safety and reduce employee injuries.