For dermatologists operating in Canada, the market for established, profitable clinics is highly active, driven by the increasing demand for both medical and cosmetic dermatological services. However, transitioning the ownership of a clinic is not a standard business transaction.

Failing to adhere to specialized legal frameworks can result in delayed transactions, severe tax penalties, or disciplinary action from regulatory colleges. Understanding the legal landscape is non-negotiable.

Here are the critical legal rules and considerations for Medical Professional Corporations when selling a dermatology clinic in Canada.

1. Share Sale vs. Asset Sale

The foundational rule of selling any incorporated medical practice is determining the structure of the transaction. In Canada, the sale of an MPC generally takes one of two forms: a share sale or an asset sale.

The Share Sale

In a share sale, the buyer purchases the shares of your Medical Professional Corporation. Sellers overwhelmingly prefer this route because it often allows the selling physician to utilize the Lifetime Capital Gains Exemption (LCGE). According to the Canada Revenue Agency (CRA), if your MPC shares qualify as Qualified Small Business Corporation (QSBC) shares, you may shelter over $1 million of the capital gains from tax. However, a share sale means the buyer inherits the corporation’s entire legal and financial history, including any undisclosed liabilities. Because of this, buyers will demand extensive due diligence.

The Asset Sale

In an asset sale, your MPC retains its corporate shell, and the buyer purchases only the specific assets of the clinic. This includes equipment (like specialized lasers for dermatology), patient lists, leasehold improvements, and goodwill. Buyers typically prefer asset sales because they can cherry-pick the assets, avoid the corporation's historical liabilities, and benefit from a higher tax basis for depreciation (Capital Cost Allowance).

Balancing the competing interests of a tax-advantaged share sale for the seller and a risk-mitigated asset sale for the buyer requires sophisticated legal negotiation.

2. Strict Adherence to Provincial Medical College Regulations

Unlike standard commercial businesses, Medical Professional Corporations are heavily regulated by provincial medical authorities, such as the College of Physicians and Surgeons of Ontario (CPSO), the College of Physicians and Surgeons of British Columbia (CPSBC), and their equivalents across the country.

The most critical rule regarding MPCs is ownership restriction. Under provincial legislation, voting shares in a Medical Professional Corporation can typically only be held by physicians licensed to practice medicine in that specific province. Furthermore, non-voting shares are usually restricted to immediate family members (spouses, children, or parents) or holding companies owned by these family members.

If you are selling to another licensed dermatologist, a share sale is legally permissible. However, if the buyer is a private equity firm, a corporate consolidator, or an unlicensed individual, they cannot legally purchase the voting shares of your MPC. In these scenarios, an asset sale is mandatory. Even then, the management structure must clearly separate the medical practice (which must be controlled by a physician) from the administrative or business side of the clinic.

While federal tax laws apply nationwide, local nuances, such as navigating regulatory law in Toronto or Vancouver, dictate exactly how clinics in major urban centers must structure these transactions to satisfy regional college by-laws.

3. Patient Privacy and Health Record Custodianship

A dermatology clinic’s most valuable asset is often its patient roster. However, patient charts cannot be bought and sold like standard business inventory. The transfer of health records is strictly governed by federal legislation like the Personal Information Protection and Electronic Documents Act (PIPEDA) and robust provincial laws, such as Ontario’s Personal Health Information Protection Act (PHIPA) or Alberta's Health Information Act (HIA).

As the selling physician, you are the designated "Health Information Custodian." When selling your practice, you have a legal and ethical duty to ensure the continuous, secure care of your patients. Legal rules dictate that you cannot simply hand over patient files to the buyer. You must:

Notify Patients: Patients must be given advance written notice of the sale, informing them of the transition and their right to transfer their medical records to a different physician if they choose not to stay with the new owner.
Sign an Information Sharing Agreement (a records transfer / custodianship transition agreement) : If the buyer is a physician, a formal agreement must outline how the records will be securely transferred and maintained.
Retention Obligations: In some asset sale structures, under buyer, the buyer becomes the successor health information custodian as part of a practice sale. The selling physician will typically negotiate a license to access the records post-closing for defined purposes such as responding to regulatory complaints, billing audits, or legal claims.

4. Tax Optimization and the "Purification" Process

If you and your legal team have negotiated a share sale to take advantage of the LCGE, your Medical Professional Corporation must meet the CRA’s strict definition of a Qualified Small Business Corporation (QSBC).

One of the primary rules to qualify for the LCGE is the asset test: at the time of the sale, at least 90% of the fair market value of the corporation’s assets must be used primarily in an active business carried on in Canada. Furthermore, for the 24 months preceding the sale, more than 50% of the corporation's assets must have been used in an active business.

Dermatologists are often high-earning professionals, and their MPCs may accumulate significant passive assets over time, such as excess cash, investment portfolios, or real estate. Because these are not considered "active business assets," their presence can disqualify the shares from the LCGE.

To legally comply with CRA rules and secure the tax exemption, your legal and accounting teams must undertake a "purification" process. This involves extracting passive assets from the MPC—often transferring them to a sister holding company or paying them out as dividends—well before the transaction closes.

5. Managing Staff and Employment Law Liabilities

A thriving dermatology clinic relies on skilled personnel, including specialized nurses, medical aestheticians, and administrative staff. Under Canadian employment law, the treatment of employees during a clinic sale is heavily dependent on the structure of the transaction.

In a share sale, the identity of the employer (the MPC) does not change. The employees continue their work uninterrupted, and the new owner inherits all accrued employment liabilities, including seniority, vacation pay, and potential severance obligations.

In an asset sale, the legal employer changes. Under common law and provincial Employment Standards Acts, the selling physician must formally terminate the employees and pay out any required notice or severance, unless the buyer offers them new employment on substantially similar terms. If the buyer does hire the staff, the law typically views this as continuous employment, meaning the buyer assumes the historical liability for their years of service. A well-drafted Purchase and Sale Agreement will explicitly outline who bears the financial responsibility for employee terminations, retention bonuses, and accrued liabilities.

6. Commercial Lease Assignments

Most dermatology clinics operate out of leased commercial spaces, often heavily customized with specific electrical and plumbing requirements for medical equipment. A critical rule of selling a clinic involves the legal transfer of the commercial lease.

Almost all commercial leases contain an "assignment and subletting" clause. This legal rule dictates that a tenant cannot transfer the lease to a buyer without the landlord's explicit, written consent. Landlords will typically require the buyer to undergo a financial background check.

Landlords may attempt to use the assignment request as an opportunity to renegotiate the lease terms, increase rent, or demand a personal guarantee from the new owner. It is vital to review your lease agreement with legal counsel early in the process to ensure the lease can be transferred smoothly and to determine if the selling physician will remain a guarantor on the lease post-sale.

7. Restrictive Covenants and Non-Compete Agreements

When a buyer purchases a dermatology clinic, they are paying for the existing patient base and the goodwill associated with the practice. To protect this investment, buyers will legally require the selling physician to sign restrictive covenants.

These typically include:

Non-Solicitation Clauses: Preventing the seller from contacting former patients or poaching clinic staff for a specified period.
Non-Competition Clauses: Legally barring the selling physician from opening a competing dermatology practice within a certain geographic radius for a specific number of years.

Under Canadian common law, restrictive covenants are viewed as restraints on trade and are strictly scrutinized by courts. To be legally enforceable, a non-compete clause must be reasonable in its geographic scope, duration, and the specific activities it restricts. A clause that bans a dermatologist from practicing medicine anywhere in the province for ten years would almost certainly be struck down by a judge.

Legal counsel is essential to draft or review these covenants to ensure they protect the buyer without unlawfully hindering the seller's ability to practice medicine elsewhere or eventually transition to partial retirement.

8. Valuing Specialized Dermatology Equipment and Inventory

Dermatology clinics frequently house highly expensive, specialized medical and aesthetic equipment, such as fractional lasers, IPL machines, and specialized diagnostic tools. The legal agreement must clearly itemize every piece of equipment included in the sale and verify that the MPC holds clear legal title to them.

If any equipment is currently financed or leased, the rules dictate that these liens must be discharged, or the financing agreements officially assumed by the buyer. Additionally, the sale agreement must account for consumable inventory (like injectables, skincare products, and medical supplies), stipulating how these will be valued on the day of closing, as this inventory fluctuates daily.

Ensure a Smooth Transition with Expert Legal Guidance

Successfully selling an MPC is not a task for a general practitioner of law. It requires an integrated understanding of how standard corporate transactions apply to the highly regulated medical field.

Handling this intersection successfully means acknowledging that a holistic approach to the business of health, corporate, and commercial law for Canadian healthcare enterprises is critical for maximizing the value of your life’s work while minimizing exposure to regulatory and financial risk.

If you are considering selling your Medical Professional Corporation, contact Health Law Firm today at (416) 640-0508 to secure a seamless, compliant, and profitable transition of your practice.

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Selling a Dermatology Clinic in Canada: What Are the Key Legal Rules for Medical Professional Corporations?