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Our quality promise

At Testo Industrial Services, customer orientation comes first - we are service providers with a passion. We are constantly developing for our customers, both in terms of the services we offer and our internal QM standards. 

High quality standards

To ensure that you can rely on the quality of our services at all times, we are regularly audited by independent bodies and set our own high standards for our company. 

  • We are proud of over 300 accreditations according to DIN EN ISO/IEC 17025:2018 for calibration procedures in our laboratories and at customer sites. 
  • Testo Industrial Services maintains a quality management system in accordance with DIN EN ISO 9001:2015. 
  • Well-founded training and regular advanced training extend and secure the competences of our employees, so that they can fulfil their tasks in the best possible way. 
  • IT Security & Archiving: The IT security management of Testo Industrial Services is based on DIN EN ISO 27001, a corresponding certification is planned. We comply with the legal requirements for the storage of business documents. Our certificates are archived in PDF/A format on the Testo storage system. 
  • Our occupational safety officer maintains a safe working environment for our employees, continuously monitors it and optimises it where necessary. 
Our service team supports you with measures in the areas of calibration, test equipment management, qualification and validation

Broad service portfolio

Your tasks will be fulfilled by us with efficiency, flexibility and understanding of your individual requirements. Our Service offer is broadly diversified and covers numerous industries from the automotive to the pharmaceutical industry. We are specialists in the fields of calibration, test equipment management, qualification and validation. 


Your contact person

Do you have any questions, or would you like to receive more information? We are pleased to assist you with all your requirements.

Portrait Ulrike Isele

Dr. Ulrike Isele

Head of Quality Management

Further information & downloads

The entire Testo Industrial Services team


Let's get to know each other - learn more about us here!

We set high quality standards for ourselves

Accreditation & Certification

Our accreditations and certificates for you at a glance.

We support our customers with tailor-made services

Success stories

We support our customers with expertise & manpower in their projects.

In the download center you will find a lot of information and expertise


Here you will find brochures, order documents, technical articles & white papers.