James Castley

Principal - Tax

  • Phone
  • (03) 5564 0554
  • Staff Member Contact


Family Business, Business Structuring, Taxation & Succession & Estate Planning


Financial Statements, Tax Returns, Taxation & Business Advice


Bachelor of Commerce & Bachelor of Economics


Chartered Accountant CA, Fellow of the Taxation Institute of Australia (FTIA)

James Castley is a Sinclair Wilson Principal and has worked as an Accountant, providing industry best standard Taxation and Business Advice, for more than 10 years. James works with many family businesses across a large range of industries, helping them navigate the modern, fast-paced business environment. He is a Chartered Accountant (CA), a Fellow of the Tax Institute of Australia (FTIA) and holds Bachelor Degrees in both Commerce (Accounting) & Economics. James became a Sinclair Wilson employee in 2012 and a Principal in 2016.

Mount Gambier

  • Monday
  • 8:30am - 5:00pm


  • Tuesday
  • 9:00am - 5.30pm
  • Wednesday
  • 9:00am - 5.30pm
  • Thursday
  • 9:00am - 5:30pm
  • Friday
  • 9:00am - 5:30pm