Professional Corporation Terms and Regulatory Information
Note: Please be advised that Chartered Professional Accountants of Ontario cannot provide legal advice, interpret the law or conduct research. The information provided below is intended as a general guide only.
A "professional corporation" means a corporation incorporated under the Ontario Business Corporations Act, which has as its only shareholder(s) a member or members.
A "registration certificate" means a certificate issued under the act, bylaws, or regulations to a professional corporation permitting the professional corporation to engage in providing accounting services to the public.
A "certificate of authorization" means a certificate issued to a professional corporation pursuant to the Public Accounting Act, 2004 to permit the professional corporation to engage in the practice of public accounting.
To obtain a certificate of authorization, at least one shareholder of the professional corporation must hold a current public accounting licence. A "licence" means a licence issued to a member pursuant to the Public Accounting Act, 2004 to permit the member to engage in the practice of public accounting.
A professional corporation may not offer or provide public accounting or accounting services to the public unless it is registered in accordance with the regulations and such registration is in good standing.
Any significant changes in practice, composition or structure must be sent in writing ten (10) days prior to such change being effected. A significant change includes but is not limited to any change in shareholder, director, officer, articles of incorporation, or dissolution. Please complete the Professional Corporation Update Form 4-6B.
A professional corporation must have a physical office location and all office locations providing services or carrying on business in Ontario must be registered.
The name of the professional corporation must include "professional corporation" or "Société Professionnelle."
Important Notes on Submitting Applications to CPA Ontario
Incomplete applications will result in a delay in processing your request and may result in your request being denied or closed.
All submissions must use the most current version of the forms available on CPA Ontario's website.
Applications are usually processed within 4 to 6 weeks of the date of receipt of the completed application. Processing time increases during periods of high volume.
Articles submitted to CPA Ontario must have been certified within the last 90 days of the date of receipt of the application for registration form. If greater than 90 days, a Certificate of Status issued by the Ministry must be included with the application form.
Electronically filed articles of incorporation are accepted.
Acceptable method of submission:
Fax: 416 962.8900
Mail: Attention to Registrar's Office, CPA Ontario, 69 Bloor Street East, Toronto, ON M4W 1B3
For more information, please contact the Registrar’s Office at 1 800 387.0735 x4324.