BPG BPG Beratungs- und Prüfungsgesellschaft mbH

Christian Maruhn

M.Sc. Computer Science
CISA / IT-Auditor (IDW) Managing Director / Partner
Born in 1988

Specialist area


Focus areas

  • IT system audits in accordance with PS330, PS951 and PS860
  • Software certifications in accordance with PS880
  • IT outsourcing / cloud auditing and consulting
  • Data analyses and process consulting for IT-supported business processes
  • Data analyses in the course of annual audits
  • Advice and support for the introduction or migration of ERP systems and financial accounting systems in accordance with PS850
  • Advice and support for IT infrastructure projects
  • Strategic and organizational IT security audits / IT security consulting
  • DATEV consulting
  • Data protection consulting and auditing
  • Support for the BPG data center


  • German
  • English

Personal interests

  • Fire department
  • Sports
  • Youth work

2011: B. Sc. Computer Science

2013: M. Sc. Computer Science

2017: CISA, IT-AuditorIDW

With Crowe BPG since 2013

Never change a running system.