OUR TEAM

PROFESSIONAL SUPPORT FROM EXPERIENCED EXPERTS

We currently have a team of nine co-workers to support your needs. Besides our two CEOs, both fully certified tax consultants (Steuerberater), we have one certified Tax Specialist (Steuerfachtwirtin), three fully trained Tax Clerks (Steuerfachangestellte), two experienced Accountants / Bookkeepers and one trainee.

With extremely low employee turnover, our firm provides consistent support for clients in managing their financial bookkeeping, wage and salary administration, as well as in the preparation of annual statements and tax declarations for both individuals and businesses.

Michael Katthagen

CEO/Owner
Certified Tax Consultant (Steuerberater)
Certified Public Accountant (Wirtschaftsprüfer)

  • 1970 Born in Hagen
  • 1991 Abitur - Theodor Heuss Gymnasium in Hagen
  • 1991-1995 Studied Business Administration at Münster University (Westfälischen Wilhems Universität Münster)
  • 1995 Awarded Dipl.-Kaufmann
  • 1995-1999 Worked at one of the “Big Four” accounting firms, Essen
  • 2000 Passed the German Tax Consulting Exam (Steuerberaterexamen)
  • 2000-2001 Worked for a mid-size accounting firm in Essen
  • 2002 Began work at Katthagen Steuerberatungs­gesellschaft mbH 
  • 2002 Passed the German CPA exam 

michael@katthagen-gmbh.de

Thorsten Böger

CEO
Certified Tax Consultant (Steuerberater)

  • 1994 -1997 Ausbildung for Assistant Tax Consultants (Steuerfachangestellter)
  • 1997 Joined Katthagen Steuerberatungs­gesellschaft mbH
  • 2002 Passed the German Tax Specialist Exam (Prüfung zum Steuerfachwirt)
  • 2012 Passed the German Tax Consulting Exam (Steuerberaterexamen)
  • 2012 Became a CEO in Katthagen Steuerberatungs­gesellschaft mbH

 

boeger@katthagen-gmbh.de

Christina Pfeiffer

Tax Specialist (Steuerfachwirtin)

  • 1987 Joined Katthagen Steuerberatungs­gesellschaft mbH
  • 1987 - 1990 Ausbildung for Assistant Tax Consultants (Steuerfachangestellte)
  • 1994 Passed German Tax Specialist Exam (Prüfung zur Steuerfachwirtin)

pfeiffer@katthagen-gmbh.de

Eva-Maria Bücker

Tax Clerk (Steuerfachangestellte)

  • 1984 Joined Katthagen Steuerberatungs­gesellschaft mbH
  • 1984 -1987 Ausbildung for Assistant Tax Consultants (Steuerfachangestellte)

buecker@katthagen-gmbh.de

Andrea Schmitz

​Tax Clerk (Steuerfachangestellte)

  • 2002 - 2004 Ausbildung for Assistant Tax Consultants (Steuerfachangestellte)
  • 2013 Joined Katthagen Steuerberatungs­gesellschaft mbH

schmitz@katthagen-gmbh.de

Christine Ochse

Accountant specialized in Office Management (Bürofachwirtin)

  • 1991-1993 Ausbildung for Office Clerk (Bürokauffrau)
  • 1999 Passed German exam for Office Management (Prüfung zur Bürofachwirtin)
  • 2011 Joined Katthagen Steuerberatungs­gesellschaft mbH

ochse@katthagen-gmbh.de

Ewelina Wojdyla

​Tax Clerk (Steuerfachangestellte)

  • 2022 Joined Katthagen Steuerberatungs­gesellschaft mbH
  • 2022 – 2025 Trainee tax clerk (Steuerfachangestellten)

wojdyla@katthagen-gmbh.de

Paraskevi Taltsidou-Witt
  • 2024 Joined Katthagen Steuerberatungs­gesellschaft mbH
  • Trainee tax clerk (Steuerfachangestellten)

taltsidou@katthagen-gmbh.de

Angelika Bangert

Accountant specialized in Insurance (Versicherungskauffrau)

  • 1968 – 1971 Ausbildung for Insurance Management Clerk (Versicherungskauffrau)
  • 2003 Joined Katthagen Steuerberatungs­gesellschaft mbH

bangert@katthagen-gmbh.de