TISAX® Audit Partner: Why use OS?

Take advantage of our expertise!

Our company itself is certifiedaccording TISAX®, we have achieved the TISAX® label once more in 2020.

Our company has a long tradition of supporting automotive companies, giving us extensive experience in this field. Part of OS arose from a former information technology provider gedas, which provided consultancy services to companies in the automotive and manufacturing industries for more than 20 years, advising on the development, system integration, and operation of ICT solutions.

More than 10 years audit experience with VDA ISA: On behalf of the Volkswagen Group the OS auditor team has carried out numerous audits across the globe similar to the todays TISAX® assessments.

OS is one of the first accredited TISAX® audit provider and supports the TISAX® model since the beginning in 2017.

OS also continues to exclusively carry out VW-specific audits, such as Secure i.Do areas or the protection of immobilizer-relevant components. These can be combined with the TISAX® assessment, if required.

We have already carried out more than800 TISAX® Assessments in the most diverse forms worldwide. Currently we are market leader in this segment.

OS meets the stringent TISAX® requirements with higly qualified and experienced auditors in permanent employment. They apply their comprehensive expertise when evaluating automotive service providers from a wide range of branches, and carry out complex TISAX® audits in a variety of forms.

Alternatively we offer professional TISAX® consulting services. We have profound VDA ISA and ISO 27001 know-how - for a balanced and appropriate security policy. Our experts with auditing experience know what is essential.

The ISi service team stands ready to assist you if you have any questions about the TISAX® assessment. Personal contact is important to us, as it means we can find the best solution for your upcoming assessment together.


TISAX® is a registered trademark of the ENX Association.