Contact Onno Opzitter

Onno Opzitter Partner - Accountant

Year of birth: 1960
Nationality: Dutch
At Mazars since: 1991

Education and experience

  • Dutch Institute for Certified Auditors (graduated 1990)
  • Partner since 1997
  • General practice auditor
  • Peer reviews professional body

General client experience

  • Experienced in the audit of European Subsidy projects
  • Many types of international audits, both based on IFRS and Dutch Gaap (see list of clients)
  • Many types of audits and special investigations including due diligence investigations for both national and international clients
  • Involved as an auditor and advisor in several investigations on behalf of several Dutch National Regulators
  • Several experiences in the field of internal control and SOX,
  • National compliance officer and member of the internal quality committee
  • Peer quality reviews at other auditing firms on behalf of the Dutch Institute of CPA’s

Specific client experience

  • Ecorys Holding BV, a Governmental Advisory company with a substantial amount of European and World Bank projects.
  • Air Liquide large and small industries
  • Lamers High Tech Systems B.V., a high tech industry supplier
  • Grass Valley, selling and developing of industrial camera’s
  • Pernod Ricard, holdings and trading/distribution company.

Key qualifications

  • A wide experience in the field of audit and IFRS and SOX, both in the Netherlands and abroad;
  • National compliance officer.

Additional functions

  • Member of national working group for the development of the international and corporate practice;
  • Peer quality reviews at other auditing firms on behalf of the Dutch Institute of CPA’s;
  • Member of the internal quality committee;
  • Member of the global steering group risk management and audit technical excellence;
  • Member of Royal Dutch Institute of Registered Accountants (NIVRA).

Curriculum vitae

Summary

Experience

Share