Staff Profiles


Mark Oresti

Partner, Accounting and Assurance
(905) 549-8463 Ext. 245

Mark has been with the firm since 2011. He is dedicated to providing exceptional services within our audit, assurance and accounting division.

He has extensive experience working with a variety of clients from sole proprietorships, profit-oriented private enterprises to not-for-profit organizations. Mark is focused on improving owner managed businesses develop their operations and controls in order to benefit financially from long term growth and prosperity. Mark also provides valuable guidance to corporations and individuals on the appropriate reporting standards, tax planning and filings required.

Education and Designations:

  • Bachelor of Accounting, Honours, Brock University
  • CPA, CA Designation


  • Treasurer, Rainbows End Community Corporation