Calibration solutions to improve your performance
Your productivity depends on how reliable your tools are. As the global leader in calibration services, Trescal has experience in every industry, instrument and domain so that you can feel confident in entrusting us with your entire asset portfolio. We calibrate 3.3 million instruments per year, 98% of which is in-house, covering 20,000 brands and 150,000 referenced instruments. We provide a full suite of precision services that includes repair, maintenance, asset management, validation and qualification.
WE PROVIDE A SINGLE SOURCE SOLUTION FOR PRECISION SERVICES
Key figures
30
countries
6K
employees
630M€
turnover
Our history
Originally the metrology branch of Air Liquide, Trescal has become the world leader in precision service
Discover Trescal

WHERE DOES “TRESCAL” COME FROM?
- Trescal begins with Henri Tresca, a French engineer who played a significant role in establishing the prototype for the meter, leading to the metric system
- The S represents measurement
- ‘Scal’ resonates with our commitment to scaling accuracy and quality across various industries
NEWS
A Guide to Uncertainty and Traceability in Calibration
Explore the principles of traceability and uncertainty in calibration and gain an understanding of their interdependence.
Outsourcing Calibration Explained
Explore the benefits of outsourcing calibration services and find expert tips on choosing the ideal provider to meet your unique requirements.
What is Calibration?
Discover the critical role of calibration in industrial manufacturing. Learn how it mitigates risks, reduces costs, and ensures compliance with regulations.
Accredited vs Traceable Calibration: What’s the Difference?
Learn the key differences between accredited and traceable calibration and how to choose the right option for your needs.