About Us

Celtest is a premier provider of quality on-site and laboratory materials testing services.

Situated within a 35,000-square-foot facility, our state-of-the-art laboratory is accredited by UKAS to perform over 200 testing activities, ensuring that we maintain the highest standards in all we undertake.

In 2023, Celtest became part of the ever-growing and respected Phenna Group, Infrastructure Division.

The team at East Midlands Airport

What We Offer

Our extensive range of services encompasses the testing of aggregates, soils, water, bituminous materials, concrete, and hydraulically bound mixtures.

Celtest perform testing both on-site and within our laboratories, catering to construction, civil engineering, infrastructure, and quarrying projects – irrespective of their scale.

Testing Soil Samples

Why Partner with Celtest?

Celtest prides itself on its unparalleled in-house resources, exceptional quality of service, and a team of seasoned professionals. 

Since our inception in 1980, Celtest has witnessed consistent growth, solidifying our reputation as one of the UK's foremost construction materials testing companies. 

This, combined with our commitment to operational excellence, has made us the partner of choice for our customers.

  • Experienced and Certified Technicians: Our laboratory is staffed by technicians with extensive experience in the field and Lean Six Sigma certification, ensuring the highest level of proficiency and quality.
  • Continuous Improvement: Celtest is dedicated to continuous improvement in our processes and services, which translates to better results and faster turnaround times for our clients.
  • Industry Leading Turnaround Times: We understand the urgency in the industry. With our efficient operations and cutting-edge equipment, we provide results with unmatched turnaround times.
  • Precision and Reliability: Our commitment to excellence means that you can trust the accuracy and reliability of our testing results, crucial for making informed decisions.
  • Comprehensive Services: With a wide range of testing services, Celtest caters to diverse needs in the construction and infrastructure sectors.
  • Customised Solutions: We understand that each project is unique. Our team works closely with you to tailor our services to your specific requirements, ensuring you get the information you need to make informed decisions.
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Commitment to Accredited Quality Materials Testing

Our laboratories, based in North Wales, are equipped with the latest tools and technology required for construction materials testing. 

Celtest is proud to be accredited by UKAS to ISO/IEC 17025, this accreditation is a testament to our unwavering commitment to delivering quality results every time.

Celtest Laboratory Aerial View