About Peter Wiesner, CPA

Choosing Peter allows you to worry less about your taxes and company financial statements which means you can focus more on what truly matters to you. Peter has been providing services within the GTA area for the last 28 years as a sole practitioner. Prior to opening his own practice, Peter apprenticed and worked for 7 years within a national accounting firm. With his professional training and years of experience in the field, he makes it easy for you to navigate complicated rules and issues in these difficult times.

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Peter Wiesner, CPA

I am a CPA who is licensed in Ontario. I have over 28 years of experience with small business and related personal taxes as a sole practitioner. Before going out on my own I was in a National Accounting firm for over 7 years in the Toronto area. I currently have clients from Calgary to Ottawa and serve clients across the country. 


With my own practice, I believe that my clients are best served by having state of the art equipment and software in performing my services. This decision saves my clients money and time. In addition, my home office has been set up to meet the needs of my clients and saves unnecessary overhead. These overhead and efficiency savings are passed onto my clients by having a convenient 1-800 line, e-mail address, web site, and a dedicated fax line. I believe in no surprises to my clients. Having this philosophy means that I will best estimate all work initially over $450.00 to new clients before commencing with it. It is that simple!


Also, there is no charge for an initial 15 minute telephone consultation, and I have convenient hours to suit your busy schedule including evening appointments as necessary.

Peters Credentials


Peter is a Chartered Professional Accountant, Licensed Public Accountant with over thirty five years of practical experience in public accounting. His background includes over seven years in both a medium and national firm since graduating from the University of Toronto with a Bachelor of Commerce degree.
In addition to running his own public accounting, tax, and audit practice for more than twenty seven years, Peter was a featured financial writer in a local paper and has appeared on several TV shows on Rogers Cable 10 in 2003 and 2004. Peter believes that his experience and training will be a definite advantage in the delivery of service to you. Since he am involved with several organizations and individuals, Peter is confident, any transition to him would feel customary.  


In 2001, Peter was voted the recipient of the local newspaper (The Era Banner a Toronto Star paper) "Reader's Choice Award" as favorite Accountant with an adittional Era Banner Award received in 2010.

Outside Board Roles

Peter is currently the Treasurer and a Director of the East Gwillimbury Intermediate Hockey League, Treasurer of the York Business Exchange, and CFO for Newmarket Aurora Ontario PC Riding Association with Christine Elliot as MPP.