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Holger Staab

Mr. Staab is a graduate economist, CISA, controller, sustainability auditor (IDW), and IT baseline protection practitioner (BSI) at FACT GmbH Wirtschaftsprüfungsgesellschaft.
Mr. Staab is also happy to advise you in English.

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Areas of Expertise or Professional Specialities

  • Audit of annual financial statements
  • Business management analyses
  • IT systems and process audits (ITGC)
  • Gap analysis for GoBD and preparation of the corresponding process documentation
  • Mass data analysis (JET)
  • Conducting audits in accordance with IDW PS 951
  • Consulting and auditing in the field of sustainability reporting (CSRD)
  • Audit in accordance with § 11 VerpackG (Packaging Act)
  • Audit pursuant to § 13 (4) BECV (Carbon Leakage)
  • Preparation of benchmark studies within the framework of transfer pricing

Education

  • Trained insurance clerk
  • Studied at the University of Kassel
  • Working in auditing and business consulting since 2008
  • CISA (Certified Information Systems Auditor) since 2009
  • ICO ISMS Auditor according to ISO/IEC 27001:2013 since 2019
  • Data Protection Officer (DSB-TÜV) since 2020
  • Sustainability Auditor IDW since 2024
  • IT Baseline Protection Practitioner (BSI) since 2025