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.

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