Verification of it systems or deactivation of old systems

Since 2002, we have been conducting IT system audits and special audits in the IT sector and currently occupy a leading position in Germany in the field of IT system auditing.

Due to our close cooperation with RFS IT GmbH, we perform a large number of audit and consulting engagements from our offices in Essen and Augsburg that extend beyond the respective regions.

In addition, we serve as data protection officers at a large number of companies of all legal forms and sizes.

Our employees are registered members of working groups of the ISACA, the IDW and are qualified as auditors and Certified Information Systems Auditors (CISA) as well as Cyber Security Practitioners (CSP).

We support the deactivation of legacy systems and check the archiving of data, taking into account tax and commercial law regulations.

Our services regarding IT system audits are:

  • Audit of IT systems according to IDW PS 330

  • Certification of software products according to IDW PS 880

  • Review of the requirements for data protection rules

  • Support with the implementation of cash register systems

  • Identification of tax-relevant data and their long-term archiving when switching off legacy systems

  • Creation of tax-compliant procedural documentation

  • Data analysis and pre-audit for tax audits

  • Appointment as data protection officer and assumption of data protection tasks in companies


Our expert for your solution

Rouven Friederich

Graduate industrial engineer, tax consultant and auditor


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