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Marcus Senninger (CISA CISM CIA CFE)

Marcus Senninger

Manager of IT Audit

Graduate in Business Studies, Graduate in Economics, Graduate in Business Studies (DH)

M.Sc., M.Sc.


IT-AuditorIDW, GDD cert.


Tel.: +49 221 952681-190

Fax: +49 221 952681-114


Marcus Senninger studied Business Studies, Economics, Computer Science with Economics, and Commercial Law at the Cooperative State University of Baden-Württemberg in Stuttgart, the Open University in Hagen, and the Hamburg Open University.

Between 2003 and 2015 he worked in renowned auditing firms in Stuttgart, Munich, Cologne, and Düsseldorf. Mr. Senninger was active in the field of IT audit and IT consulting for larger SMBS in the manufacturing, trade, and service sectors.

Mr. Senninger has a qualification as an Internal Auditor (CIA) from the German Institute of Internal Audit (DIIR) and the qualifications IT Auditor (CISA), IT Security Expert (CISM), and Cyber-Security Practitioner from ISACA, the global association of IT Auditors, and a certification as IT-AuditorIDW from the Insitute of Public Accountants (IDW) in Germany.

Additionally, he is also a Certified Fraud Examiner (CFE) of the international association ACFE, a specialized cross-sector association for combatting economic crime.

Alongside his professional activity he is also active in professional organizations and associations.

As the Manager of IT Audit his primary activities at IT AUDIT focus on:

  • IT system audits concentrating on fitness for purpose and security under national standards (IDW PS 330, IDW PS 951, IDW FAIT 1)
  • Data analysis and optimization of IT-based business processes
  • Digital (bulk) data analyses in the scope of the audit of annual financial statements (known as journal entry testing, JET) using data analysis tools (IDEA, AIS Tax Audit, ACL)
  • Audit of the internal control system (ICS) in accordance with IDW PS 261
  • Audit of outsourced business processes / services in accordance with IDW PS 951
  • Handling data-protection tasks in small and medium-sized Enterprises
  • Supporting companies in preventing and exposing economic crime
Where to find us:
Im Mediapark 5a
50670 Cologne
Phone+49 221 952681-190
Fax+49 221 952681-114
E-Mail infoit-auditcom