CASSI Accounting GroupChartered Accountants - Firm Profile
CASSI Accounting Group
Chartered Accountants
Firms Practicing in Association
Firm Profile

What is The CASSI Accounting Group?

CASSI is the acronym for CA Support Services Inc., a company formed to provide facilities, practice management and accounting and technical support to established independent Chartered Accountants.


By providing experienced, well-trained staff utilizing state-of-the-art technology, the practitioners have the time and resources to provide a high level of assurance, accounting, tax and advisory services to their clients in a timely and professional manner.


The practitioners currently utilizing these services are:

  • Mike Arnold Professional Corporation
  • Peter K.C. Lee Professional Corporation
  • Jennifer Rade CPA, CA
  • David G Ruttan CA, CPA, TEP
  • Paul Stainton Professional Corporation


CASSI provides a congenial, professional atmosphere which provides employees with the opportunity to pursue challenging and rewarding careers. To discuss career opportunities with CASSI, please contact Marianna Grasso at 416-256-4728 ext 5262