If your accountant has mentioned setting up a holding company alongside your professional corporation, and the explanation left you more confused than before you asked — you’re not alone. It’s one of the more commonly recommended structures for incorporated physicians, dentists, and business owners, and one of the least clearly explained.
The short answer
Your professional corporation (often called an “opco,” short for operating company) is where your practice income actually flows in and where you conduct your day-to-day work. A holding company (“holdco”) sits above it, owns shares in the operating company, and exists primarily to receive money moved up from the opco — typically through tax-free intercorporate dividends — where it can be invested and protected separately from the day-to-day risks of running a practice.
Why a holding company exists at all
Creditor protection. This is often the primary reason a holdco gets recommended. If your professional corporation is ever sued or faces a claim tied to your practice, funds retained inside the operating company are at more risk than funds already moved up into a separate holding company. Moving surplus retained earnings out of the opco and into a holdco on a regular basis limits how much is exposed if something goes wrong at the practice level.
Separating investment assets from practice risk. Many incorporated professionals build up significant retained earnings inside their operating company — money not needed for current living expenses that’s sitting there earning investment income. A holdco lets you house that investment portfolio in a structure that’s legally and functionally separate from the practice itself.
Passive income and the small business deduction. Passive investment income earned inside a corporation can, above certain thresholds, start reducing your access to the small business tax rate on active business income. Structuring where investment income sits (and how much accumulates in the opco versus the holdco) is part of managing this, though the mechanics are detailed enough that this is genuinely accountant territory, not a DIY calculation.
Future flexibility. A holdco can make certain future transactions — selling the practice, bringing in a partner, estate planning — cleaner to execute, since the investment assets aren’t tangled up with the operating business being sold or restructured.
What a holding company doesn’t do
It’s worth being clear about the limits, since holdcos are sometimes oversold as a universal fix:
- A holdco doesn’t reduce your current-year tax rate on active business income earned in the operating company.
- It doesn’t eliminate the need for good bookkeeping and separate accounting — if anything, it adds a second set of corporate filings and formalities to maintain properly.
- It isn’t free to set up or maintain. Legal fees for incorporation, plus ongoing accounting for a second corporate entity, are real costs that need to be weighed against the benefit for your specific situation.
When it might not be worth it yet
If your professional corporation isn’t yet retaining significant surplus earnings beyond what you’re drawing out for personal use, a holding company may be solving a problem you don’t have yet. The added complexity and cost make more sense once there’s meaningful retained earnings to protect and invest — for a newer associate or a practice still building up reserves, it’s often reasonable to wait.
Questions worth asking your accountant and financial planner together
- How much surplus is actually accumulating in the operating company each year, and is it enough to justify a second corporate structure?
- What would a holdco actually protect against, given the specific liability profile of your practice?
- How would a holdco affect access to the small business deduction, given your current and projected passive income levels?
- What are the setup and ongoing costs, realistically, and at what point does the benefit outweigh them?
Where this fits into your broader plan
A holding company is a structural decision, not an investment strategy on its own — what you actually do with the assets inside it (how they’re invested, how they support your retirement and estate plan) matters as much as the structure itself. It’s a conversation best had jointly with your accountant, your lawyer, and your financial planner, so the structure and the plan for what sits inside it are built together.
If you’re weighing whether a holding company makes sense for your situation, a free consultation is a good place to start. Book a time here, or read more about financial planning for doctors and incorporated professionals and financial planning for dentists across Canada.
This article is for general educational purposes and does not constitute personalized financial, tax, or legal advice. Whether a holding company structure makes sense depends on your specific circumstances — always consult a qualified accountant and lawyer before setting one up.
Leave A Comment