Setting up a Medical Professional Corporation (MPC) in Ontario typically costs between $2,500 and $5,000 CAD in total fees. This includes the legal drafting of specialized share structures, provincial incorporation fees, and the mandatory initial application to the College of Physicians and Surgeons of Ontario (CPSO).
For doctors and physicians practicing in Ontario, transitioning from a sole proprietorship to a Medical Professional Corporation (MPC) is one of the most powerful financial moves you can make. Incorporating allows medical professionals in Toronto, Hamilton, and Kingston to access a lower corporate tax rate, defer personal income taxes, and potentially pay dividends to family members.
However, an MPC is not a standard business corporation. It is heavily regulated by the College of Physicians and Surgeons of Ontario (CPSO) and the Ontario Business Corporations Act (OBCA). The legal structure must be flawless, particularly regarding who is allowed to hold voting shares and how the corporation is named. Because of these strict rules, hiring an experienced corporate law firm is essential, and understanding the step-by-step financial breakdown is the best way to prepare. 🏥
Step-by-Step Process for Incorporating an MPC in Ontario
Creating a Medical Professional Corporation requires coordinating between the provincial government, the CRA, and your medical college. Errors in the Articles of Incorporation will result in immediate rejection by the CPSO. Here is the standard legal process.
Step 1: Corporate Name Approval
Unlike regular businesses that can invent creative branding, an MPC must follow strict naming conventions set by the OBCA and the CPSO. The exact legal name must include the physician’s surname, optionally their given name or initials, and the words “Medicine Professional Corporation” at the end.
Your lawyer will run a NUANS (Newly Upgraded Automated Name Search) report to ensure the name is available and perfectly matches your registered name with the CPSO. If your name is Dr. Jane Smith, the corporation must be “Jane Smith Medicine Professional Corporation” or “Dr. Jane Smith Medicine Professional Corporation”. 🔍
Step 2: Filing the Articles of Incorporation
Once the name is cleared, your law firm will draft the Articles of Incorporation and file them with the Ontario Ministry of Public and Business Service Delivery. The articles for an MPC are highly specialized.
They must explicitly state that the corporation cannot carry on any business other than the practice of medicine. Furthermore, all voting shares must legally be owned directly or indirectly by a physician licensed by the CPSO. This is a strict safeguard against non-doctors controlling medical practices. ⚖
Step 3: Organizing the Minute Book and Share Structure
This is where the true value of a corporate lawyer comes in. While you must hold the voting shares, Ontario law allows certain family members (spouses, children, or parents) to hold non-voting shares.
Your lawyer will set up the corporate Minute Book, draft the bylaws, and issue the share certificates. Creating different classes of non-voting shares is what allows the physician to pay dividends to family members, maximizing the household’s tax efficiency (subject to CRA Tax on Split Income rules). 📊
Step 4: Applying for the CPSO Certificate of Authorization
Incorporating with the province is only half the battle. Before you can legally bill OHIP or practice medicine through the corporation, you must apply to the CPSO for a Certificate of Authorization.
Your lawyer will help you submit a comprehensive application package to the College. This package includes a certified copy of your Articles of Incorporation, a corporate profile report, and a statutory declaration swearing that the corporation complies with all provincial health regulations. 📜
How Much Does it Cost in Ontario?
The costs for setting up an MPC are divided between legal fees, provincial government disbursements, and CPSO regulatory fees. As of May 2026, the current estimated figures in Canadian dollars (CAD) are as follows.
- Lawyer Fees (Drafting, Minute Book, Share Structure): $1,500 to $3,500 CAD.
- Ontario Provincial Incorporation Fee: $300 CAD.
- NUANS Name Search Fee: Approximately $40 to $80 CAD.
- CPSO Certificate of Authorization Application Fee: $400 CAD.
| Expense Category | Estimated Cost (CAD) | Frequency |
|---|---|---|
| Legal Fees (Complete Setup) | $1,500 – $3,500 | One-time |
| Government Registration & Searches | $350 – $400 | One-time |
| CPSO Initial Application | $400 | One-time |
| CPSO Annual Renewal | $175 | Annually |
Keep in mind that once your corporation is active, you will also face ongoing annual costs. You must pay the CPSO an annual renewal fee, and you will need to pay your accountant for filing corporate tax returns (T2), which generally costs between $1,500 and $3,000 CAD per year.
How Long Does the Process Take?
A well-organized corporate law firm can secure the provincial incorporation documents within a few business days. However, you cannot practice as a corporation until the CPSO issues the Certificate of Authorization.
The CPSO typically takes roughly 2 to 4 weeks to process an application, assuming there are no errors. Therefore, physicians in Ontario should plan for a total timeline of 3 to 6 weeks from the initial lawyer consultation to officially launching their Medical Professional Corporation. 📅
Frequently Asked Questions (FAQ)
Does incorporating protect me from medical malpractice lawsuits?
No. A Medical Professional Corporation does not shield a physician from professional liability or medical malpractice claims in Ontario. You remain personally liable for your clinical decisions and must continue to carry appropriate malpractice insurance (such as CMPA coverage).
Who can legally own shares in my MPC?
All voting shares must be owned by the licensed physician. However, non-voting shares can be owned by your spouse, your children, or your parents. No other individuals or holding companies are permitted to hold shares in an Ontario MPC.
Can I name my corporation “Toronto Elite Medical Clinic Inc.”?
No. Under the Ontario Business Corporations Act and CPSO rules, the legal name of the corporation must exactly reflect your name as registered with the College, followed by “Medicine Professional Corporation” (e.g., Dr. John Doe Medicine Professional Corporation).
What happens if I forget to renew my CPSO certificate?
Your Certificate of Authorization must be renewed annually (currently a $175 CAD fee). If you fail to renew it, the CPSO will revoke the certificate, making it illegal for your corporation to practice medicine or bill OHIP until it is reinstated.
At what income level does it make sense to incorporate?
While every situation is unique, financial advisors generally suggest that incorporating makes sense once your medical income exceeds your personal living expenses, allowing you to leave significant surplus funds inside the corporation to benefit from the lower corporate tax rate.
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