William Thompson CPA

Petrella Phillips, LLP | Accountant | William Thompson


Professional Associations:


  • American Institute of Certified Public Accountants
  • Independent Accountants Association of NY



  • MBA, (Computer Information Systems), University of Rochester, William E. Simon School of Business
  • BBA, (Accounting), St. John Fisher College



  • More than 30 years in Public Accounting (including 4 years with KPMG Peat, Marwick of the Big Four), Practice specializing in closely held businesses, corporations, and partnerships with particular emphasis on Retail, Wholesale, Sales Representatives, Consultants, Printers, Landscapers, Medical Practice, Day Care Providers, Contractors and General Service businesses.
  • 7 years in financial management of small closely held businesses.
  • 5 years as Assistant Professor (Adjunct) St. John Fisher College and Rochester Institute of Technology. Part Time