Marco Zimmerman Director

Marco Zimmerman

Personal quote / vision

I advise my clients on the correct application of payroll tax and social insurance rules. In doing so, I not only give advice, but also investigate the possibilities to optimize the client's situation or limit risks. I also focus on advising on international secondment, the withholding obligation of foreign employers and the possibilities of tax-free reimbursement of extraterritorial expenses.

Specialist experience

  • Payroll taxes.
  • Dutch and international companies operating in the Netherlands.
  • Supervising and preparing tax audits.
  • Working Costs Regulation (WKR): is there a proper WKR administration and are the conditions met such as the usability test etc.?
  • Certification NEN 4400-1 and 4400-2.
  • Salary split situations.
  • Supervise unblocked tax authority investigations (G account).
  • Supervise settlement of SNCU audits.
  • Preventing additional final levy on severance payments (RVU levy).
  • WKA/WAS: How can entrepreneurs avoid the risks of chain liability and hirer's liability?

Specific client experience

  • In my role as tax consultant, I assist temporary employment agencies, payroll companies and other companies that provide personnel. I also advise employers in the not for profit sector.

Education and work experience

  • 1989 - 1995 | Leiden University | Master Tax law / Taxation.
  • 1994 - 2007 | Deloitte | Tax Lawyer.
  • 2007 - 2008 | Witlox Van den Boomen | Wage tax specialist.
  • 2008 - 2009 | Fiscount | Wage tax specialist.
  • 2009 - present | Mazars | Specialist wage tax / Social security.

Additional functions

  • Speaker at internal and external meetings or courses. Are you looking for a speaker on wage tax or social security? Please contact us by e-mail ( or by phone: +31 (0)88 277 12 34.

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