John Bouwman

Chairperson & Senior Principal - Tax

  • Phone
  • (03) 5564 0513
  • Email

Liquidation of Solvent Companies, Business Valuations, Taxation Advice & Auditing Services


Business Advice, Tax Planning, Liquidations of Solvent Companies, Auditing of Self-Managed Superannuation Funds & Personal Tax Returns


Bachelor of Business


Fellow Chartered Accountant (FCA), Registered Company Auditor, Registered SMSF Auditor & Member of the AFSL Employee Representative Authority

John Bouwman is the Chairperson and Senior Principal of the Sinclair Wilson Group. Based in our Warrnambool office, John also visits our Camperdown office every second Wednesday afternoon or by appointment.  John specialises in Self-Managed Superannuation Funds, conducts small business audits and can advise on and carry out voluntary liquidation of companies. John is a Fellow Member of the Institute of Chartered Accountants (CA) and holds a Bachelor of Business degree.  John is also a Registered Company Auditor. For over 25 years John has been involved as treasurer of various community organisations. John became a Principal at Sinclair Wilson in 1988 and it’s Chairperson in 2016.


  • Wednesday
  • 12:00pm - 5:30pm
  • By appointment


  • Monday
  • 8:30am - 5:30pm
  • Tuesday
  • 9:00am - 5:30pm
  • Wednesday
  • 9:00am - 11:00am
  • Thursday
  • 9:00am - 5:30pm
  • Friday
  • 9:00am - 5:30pm