Sofyan Boujjoufi el Belastingadviseur

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Sofyan has been working with Mazars as a Tax Adviser since 2015. He is a specialist in Global Mobility Services and Employment Tax. Sofyan advises businesses and individuals who work across the border. During his time at Mazars he has developed a strong international network of specialists. He is currently a Tax Manager with Mazars Netherlands and a member of the Mazars French Desk.

Education and work experience


  • Mazars Nederland; joined in May 2015


  • Universiteit Leiden; Master of Laws (LL.M.) – Tax Law
  • Universiteit Leiden; Master of Laws (LL.M.) – Company Law
  • Universiteit Leiden; Bachelor of Laws (LL.B.) – Tax Law
  • Universiteit Leiden; Bachelor of Laws (LL.B.) – Law


  • Cross-border employment advice (Global Mobility Services), including setup and review of expat policies, work permit applications, gross-net calculations and employment contract support.
  • International tax planning and compliance, social security, salary splits, payroll
  • Chain liability, G-account, and prevention of tax and social security liability, penalties for illegal employment when working with subcontractors and temporary work agencies (WKA)
  • Taxation of employee benefit ( ‘WKR’ or ‘werkkostenregeling’)
  • Tax audits, negotiations with the Dutch tax administration and tax frameworks

Specific client experience

  • Pharmaceutical & Healthcare
  • Private clients
  • Transport & Logistics

Additional positions

  • Certified Member of the Dutch Association of Tax Advisers (NOB)

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