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Accreditation as calibration laboratory

The Europe-wide calibration laboratories of Testo Industrial Services have an accreditation according to ISO/IEC 17025:2017. This unique scope of accreditation and the comprehensive range of services we offer form the basis of our promise: More service, more security.

Ongoing changing standards in the industry, increasing customer requirements and our innovative approach ensure that we are constantly developing our services. More than 300 of our calibration procedures have been accredited according DIN EN ISO/IEC 17025:2018 at our sites in Germany, France, Great Britain, Austria, Poland, Switzerland and Spain. The laboraties in these countries hold their accreditation according to ISO/IEC 15025:2017 by the respective country-specific accreditation services, such as ENAC, COFRAC or DAkkS. We calibrate with the smallest measurement uncertainties in our accredited laboratories or at your site. In addition, as an accredited provider of proficiency testing according to DIN EN ISO/IEC 17043:2010, we are able to perform proficiency testing of calibration laboratories.

Accreditation certificates of our calibration laboratories

Location Germany

We perform DAkkS-accredited calibrations according to DIN EN ISO/IEC 17025:2018 at our locations throughout Germany.

Location France

At our sites in France, we perform COFRAC accredited calibrations according to NF EN ISO/IEC 17025:2017. You can find our accredited calibration procedures here:


Location UK

In the UK, we perform UKAS accredited calibrations according to ISO/IEC 17025:2017. You can find our UKAS accreditation certificates here:


Location Austria

Our calibration procedures at our site in Vienna are accredited by the ÖKD:


Location Poland

At our Polish site, we perform PCA-accredited calibrations according to PN-EN ISO/IEC 17025:2018. You can find our accredited calibration procedures here:


Location Switzerland

At our site in Switzerland, we perform SCS-accredited calibrations according to SN EN ISO/IEC 15025:2018. You can find our SCS accreditation certificate here:


Location Spain

At our site in Spain, we perform ENAC-accredited calibrations according to  UNE-EN ISO/IEC 17025:2017. You can find our  ENAC accreditation certificate her:


Certificate of accreditation as a proficiency testing provider

As an accredited provider for proficiency testing, we are able to perform proficiency testing of calibration laboratories according to DIN EN ISO/IEC 17043:2010.

Certification according to ISO 9001:2015

As a service provider for quality assurance, Testo Industrial Services has very high demands on its own quality. With the conversion to ISO 9001:2015, we were able to raise the internal quality standard once again.

Certification according to ISO 14001:2015 and ISO 50001:2011

Testo Industrial Services is committed to reducing energy-related performance and environmental impact over the long term. In the course of this, we would like to increase energy efficiency in a continuous improvement process. In the interest of our environment, we operate an environmental and energy management system in accordance with DIN EN ISO 14001:2015 and DIN EN ISO 50001:2011.