Minute Books for Professional Corporations in Canada (Dental, Medical, Legal)

A professional corporation (PC) in Canada must maintain a complete, up-to-date minute book under the same statutory rules that govern every other incorporated business — but with one critical difference: who is legally permitted to hold voting shares is tightly controlled by professional licensing legislation, and getting that wrong can cost you your licence. This guide walks through what makes a professional corporation structurally distinct, the specific minute book documents you need, the most common compliance mistakes, and how to handle the holding company structures that most professionals use.

What Is a Professional Corporation?

A professional corporation is a corporation formed under provincial business corporations legislation — most commonly Ontario's Business Corporations Act (OBCA) — by a regulated professional such as a dentist, physician, lawyer, accountant, engineer, or architect. The professional corporation is authorised by the relevant regulatory body (the College, the Law Society, the professional association) and typically operates as the vehicle through which the professional delivers services and retains earnings.

Professional corporations exist in every province, but Ontario is by far the largest market. In Ontario, a professional corporation is incorporated under the OBCA and then receives a Certificate of Authorization from the relevant regulatory college or association. Federal professional corporations can be incorporated under the Canada Business Corporations Act (CBCA), though Ontario-registered practices most commonly use the OBCA route.

Which Professions Can Incorporate?

In Ontario, legislation authorises professional corporations for:

• Dentists — under the Regulated Health Professions Act, 1991 (RHPA) and the Dentistry Act
• Physicians — under the RHPA and the Medicine Act
• Lawyers and paralegals — under the Law Society Act
• Accountants (CPA) — under the Chartered Professional Accountants of Ontario Act, 2017
• Engineers — under the Professional Engineers Act
• Architects, optometrists, chiropractors, pharmacists, nurses, and numerous other regulated health professions under the RHPA umbrella

Each profession has its own enabling legislation and its own regulatory body that sets additional conditions on top of the OBCA's baseline requirements. The minute book must reflect and document compliance with both layers.

The Voting Share Restriction: The Most Important Thing to Understand

The defining characteristic of a professional corporation — the feature that distinguishes it from every other Ontario corporation — is the voting share restriction.

Under the OBCA and each profession's enabling legislation, voting shares of a professional corporation may only be held by members in good standing of the relevant regulated profession. This is not a corporate law technicality you can paper around. It is a hard statutory rule enforced by both the OBCA and the regulatory college, and a breach can result in revocation of the Certificate of Authorization (i.e., the corporation loses its right to practise).

What this means practically:

• A dentist's PC can only have voting shares held by a dentist registered with the Royal College of Dental Surgeons of Ontario
• A physician's PC can only have voting shares held by a member of the College of Physicians and Surgeons of Ontario
• A law corporation can only have voting shares held by a lawyer licensed by the Law Society of Ontario
• A spouse, parent, child, or business partner who is not a member of that same regulated profession cannot hold voting shares

This rule applies regardless of how many shares are issued, what the shareholders' agreement says, or what any accountant or financial planner has suggested for estate planning purposes. The restriction is embedded in statute and is non-negotiable.

Non-Voting Shares: The Holdco Opportunity

While voting shares are restricted to qualifying professionals, non-voting shares of a professional corporation can generally be held by anyone — including family members, holding companies, and trusts. This is the cornerstone of almost every professional tax planning structure in Canada.

The typical arrangement works as follows:

1. The professional holds all voting shares of the PC personally (as required by law)
2. A family holding company (holdco) holds non-voting shares (often preferred shares structured for income splitting or capital gains planning)
3. The PC pays dividends on the non-voting preferred shares to the holdco
4. The holdco can then distribute dividends to family members who are shareholders of the holdco, invest retained earnings, or otherwise manage family wealth

This structure is legitimate and widely used, but it requires careful minute book management at two levels: the PC's records must accurately reflect who holds which class of shares, and the holdco's minute book must be maintained as a separate, complete corporate record. Both corporations must have their own registers, resolutions, and annual filings.

If your minute book lumps holdco and PC records together, or fails to distinguish between voting and non-voting share classes clearly, you have a compliance problem.

Minute Book Requirements for a Professional Corporation

The core minute book requirements for an Ontario professional corporation are identical to those of any OBCA corporation. The Business Corporations Act requires every corporation to maintain records containing:

• Certificate and Articles of Incorporation (with any amendments)
• By-laws (the governing rules of the corporation)
• Unanimous Shareholder Agreement, if one exists
• Minutes of all shareholder meetings and directors' meetings
• Written resolutions in lieu of meetings
• Registers of directors — names, addresses, dates of election and resignation
• Registers of officers — names, titles, dates of appointment
• Securities register (share register) — every class of shares, every shareholder, every transfer

For a professional corporation, the share register must go further. It must clearly distinguish:

• The class and number of voting shares held, and confirm the holder is a qualified member of the profession
• The class and number of non-voting shares held, and identify each non-voting shareholder (which may include a holdco, family trust, or family members)

The Initial Organisational Resolutions

When a professional corporation is first incorporated, the foundational documents must be drafted to reflect the professional's unique structure. This includes:

• Adopting by-laws that reference the professional licensing restrictions
• Issuing voting shares only to the qualified professional(s)
• Establishing non-voting share classes in the Articles if family planning is intended
• Recording the first directors and officers (who must meet the profession's eligibility rules — most regulatory colleges require that directors and officers also be members of the profession, or impose limits on non-member involvement)

If your organisational resolutions were prepared by a generalist online incorporation service and do not address any of this, the minute book is almost certainly deficient from day one.

For a broader introduction to what a minute book must contain, see our guide to what is a minute book, and for step-by-step setup guidance, see how to create a corporate minute book in Canada.

Annual Resolutions: The Six-Month Deadline

Like every Ontario corporation, a professional corporation must pass annual resolutions (or hold an annual general meeting) within six months of the end of each fiscal year. The annual resolutions must:

• Confirm the directors and officers for the coming year
• Acknowledge review of the financial statements
• Deal with any other routine annual business (appointment of auditor or waiver of audit, etc.)

For a professional corporation, the annual resolutions are also an opportunity to confirm that the voting shareholder(s) remain in good standing with the regulatory college. While this confirmation is not typically written into the statutory form of annual resolutions, prudent advisors include a representation to that effect or at minimum ensure the lawyers and accountants are tracking the professional's licence status annually.

Missing the six-month deadline is a compliance failure. If your fiscal year ends December 31, annual resolutions must be signed by June 30. If it ends March 31, the deadline is September 30. Many professionals — particularly those running busy practices — miss this deadline every year without realising it. The corporate record then falls into arrears, which creates problems during due diligence on a practice sale, a bank financing review, or a regulatory audit.

Use the MinuteKeep compliance deadline calculator to confirm your upcoming deadline.

The Insider Share Certificate (ISC) Requirement

Ontario corporations are required to maintain proper share certificates or written evidence of share ownership. For a professional corporation, there is an additional practical dimension: the regulatory college may require proof of the share structure when the Certificate of Authorization is being renewed or when the college conducts a practice review.

If the share register is disorganised, unsigned, or inconsistent with the Articles, the college has grounds to question whether the corporation is being operated in compliance with its authorising legislation. This is not a hypothetical risk — regulatory colleges do conduct audits of professional corporation structures, particularly in dentistry and medicine, where multi-shareholder or multi-location practices are common.

Common Mistakes in Professional Corporation Minute Books

1. Treating Voting Shares Like Regular Shares

The most serious mistake is issuing or transferring voting shares to someone who is not a registered member of the profession. This sometimes happens when a spouse is listed as a co-shareholder on advice that was appropriate for a regular holding company but is not appropriate for a PC. Correcting this after the fact requires legal remediation and notification to the regulatory college.

2. Incomplete or Inaccurate Share Registers

Many professional corporations — especially those set up through generic online incorporation services — have share registers that do not identify share classes, or that fail to record subsequent share issuances to family holdcos. An inaccurate share register is not just a paperwork problem: it can create a dispute about ownership, complicate a practice sale, and expose the professional to regulatory liability.

3. Missing or Stale Annual Resolutions

As noted above, many professionals are behind on annual resolutions. It is not unusual for a practice to have a five-year gap in its minute book. Catching up requires backdating resolutions to the correct fiscal year-end dates — a process that must be handled carefully to avoid creating misleading corporate records.

4. Failing to Maintain the Holdco Separately

When a holding company owns non-voting shares of the PC, the holdco is a separate corporation with its own minute book obligations. Many professionals maintain the PC's records (imperfectly) but have never seen the holdco's minute book. Both must be complete and current.

5. By-laws That Do Not Reflect the Professional Structure

Generic by-laws adopted from a standard precedent may not address the professional licensing restrictions on share transfers, the eligibility requirements for directors and officers under the enabling legislation, or the transfer restrictions required to prevent non-qualified persons from acquiring voting shares. If your by-laws are silent on these points, they should be reviewed.

How MinuteKeep Handles Professional Corporation Structures

MinuteKeep is built specifically for Canadian corporate compliance, and its document generation engine is designed to handle the structural complexity of Ontario professional corporations.

When you set up a professional corporation in MinuteKeep, the platform:

• Prompts you to identify the professional share class structure — distinguishing voting shares (held by the qualifying professional) from non-voting shares (held by holdco, family trust, or family members)
• Generates a share register that correctly reflects each class and shareholder, with the fields required to demonstrate compliance with the voting share restrictions
• Produces annual resolutions pre-populated with your corporation's details and tied to your fiscal year-end deadline, so you receive reminders before the six-month window closes
• Supports multi-corporation structures — if you have a PC and a holdco, you can manage both minute books in a single MinuteKeep account, keeping the records clearly separated but administratively connected

MinuteKeep does not replace legal advice on the structuring of a professional corporation. If you are setting up a new PC, restructuring your practice, or dealing with a compliance gap, you should work with a lawyer who understands regulated profession law. But once the structure is established and confirmed, MinuteKeep provides the ongoing compliance infrastructure to keep your minute book current, complete, and audit-ready — without relying on a law firm to manage routine annual resolutions every year.

Federal Professional Corporations

Some professionals — particularly those with national practices or specific tax planning objectives — incorporate under the Canada Business Corporations Act (CBCA) rather than the OBCA. A federal professional corporation is subject to the same voting share restrictions imposed by the relevant provincial professional legislation (since professional licensing is a provincial matter), but the corporate maintenance obligations follow the CBCA rather than the OBCA.

Key differences to be aware of:

• Federal corporations must maintain their records at their registered office or another location in Canada as permitted by the CBCA
• Annual return filings are made with Corporations Canada (federal) rather than ServiceOntario
• The by-laws and articles must comply with the CBCA, though the professional restrictions in the share structure are still imposed by provincial law

For most Ontario-based professionals, the OBCA route is simpler and more straightforward. Federal incorporation is typically chosen when there is a specific reason — national name protection, cross-provincial practice, or particular investor requirements.

Practice Sale Considerations

The state of your minute book becomes acutely important when you sell your practice. Buyers and their lawyers will conduct due diligence on the PC's corporate records. Specifically, they will want to verify:

• That voting shares have been held only by qualified professionals throughout the corporation's history
• That the share register accurately reflects all issuances, transfers, and current ownership
• That annual resolutions are complete and up to date through the current year
• That the Certificate of Authorization from the regulatory college is current and in good standing
• That there are no outstanding shareholder disputes or undisclosed resolutions

A minute book that is incomplete, disorganised, or shows historical compliance failures will slow down or complicate a practice sale, and can affect the purchase price. Buyers will discount for the risk or require a holdback pending remediation. Getting your minute book in order well before a sale — ideally, maintaining it properly throughout the life of the practice — avoids all of this friction.

Summary: What a Complete Professional Corporation Minute Book Requires

Keep Your Professional Corporation Compliant

A professional corporation carries more regulatory complexity than a standard business corporation, but the core compliance obligation is the same: maintain a complete, accurate, current minute book. The difference is that the stakes are higher — a compliance failure in a professional corporation can affect not just the company's legal standing but the professional's licence and their right to practise.

MinuteKeep makes it straightforward to maintain a professional corporation minute book that is always current. The platform understands the Ontario PC share structure, generates properly classified share registers and annual resolutions, and keeps you ahead of your compliance deadlines.

Try MinuteKeep free at minutekeep.ca — no lawyer required for the routine annual work, and no more scrambling at tax time to find out when you last signed resolutions.

FAQ

What makes a professional corporation minute book different from a regular corporation?

The core documents are the same — organizational resolutions, by-laws, share certificates, registers, ISC register, and annual resolutions. The difference is in the share structure: professional corporations restrict share ownership to licensed members of the regulated profession and their permitted family members. This restriction must be reflected in the articles, by-laws, share certificates, and register of shareholders. Generic templates that ignore these restrictions produce non-compliant documents.

Do Ontario dental professional corporations have unique minute book requirements?

Yes. Ontario dental PCs are governed by the Regulated Health Professions Act and the Royal College of Dental Surgeons of Ontario (RCDSO) regulations. Voting shares may only be held by a dentist licensed in Ontario; non-voting shares may be held by certain family members (spouse, children, parents). These ownership restrictions must appear in the articles of incorporation and be reflected in the share certificates and register of shareholders. The RCDSO also requires the PC to hold a Certificate of Authorization, which should be kept in the minute book.

Can family members own shares in a professional corporation in Ontario?

Certain non-voting shares can generally be held by family members (the exact definition varies by profession and regulator). A spouse, child, or parent can often hold non-voting shares to enable income splitting. Voting shares, which carry control, must be held only by the licensed professional. The articles of incorporation must expressly restrict voting share ownership to the licensed professional, and this restriction is permanent — it cannot be changed without regulatory approval.

How often must a professional corporation file annual resolutions?

The same as any other Ontario corporation: annual resolutions of directors and shareholders must be signed within six months of the fiscal year-end. For professional corporations used primarily to earn professional income, the fiscal year-end is typically December 31 (or the date set when the PC was incorporated). Missing even one year of annual resolutions creates a gap in the corporate record that must be corrected retroactively before a sale or bank financing.

Does a professional corporation need to maintain an ISC register?

Yes. The ISC register requirement under the Ontario Business Corporations Act applies equally to professional corporations as of January 1, 2023. However, for most professional corporations where the voting shares are held entirely by the licensed professional and the structure is straightforward, completing the ISC register is simple — the professional is typically the only individual with significant control. MinuteKeep generates the ISC register automatically.