- Expert opinions on accounting in line with IFRS/US GAAP and HGB (BilMoG)
- Audit support consultancy for client-specific topics of international and national accounting
- Consultancy and support for intended transactions and their effects on the financial statement
- Enforcement consultancy
- Trade and industry
- Medical technology
- Renewable energies
Publisher of the Haufe ‘IFRS-Kommentar’ (IFRS commentary), 13th edition in 2015; ‘NWB Kommentar Bilanzierung’ (NWB commentary on accounting), 5th edition in 2014, the magazines PiR and StuB, author of numerous articles on topics of accounting (in particular IFRS and HGB (BilMoG)) in professional journals as well as a member of the IDW Handelsrechtliche Rechnungslegung (commercial accounting) working group.