
Managing Passive Income Rules in Your Dental Professional Corporation
Dentist Insights | SG Wealth Management
Protect your small business deduction and optimize corporate wealth extraction.
What is the passive income limit for a dental corporation in Canada?
The passive income limit for a dental professional corporation in Canada is $50,000 peryear.
The passive income limit for a dental professional corporation in Canada is $50,000 peryear. Once your corporation′'s passive investment income exceeds this threshold, your access to the small business deduction(S 5 for every 1 of passive income over the limit. At $150,000 of passive income, the SBD is completely eliminated, and your active business income is taxed at the higher general corporate rate.
How does passive income affect the small business deduction?
Passive income affects the small business deduction by reducing the amount of active business income that can be taxed at the lower small business rate (typically around 12%, depending on the province).
Passive income affects the small business deduction by reducing the amount of active business income that can be taxed at the lower small business rate (typically around 12%, depending on the province). The reduction begins at $50,000 of passive income and scales linearly until the SBD is fully ground down at $150,000 of passive income. This can result in a significant increase in the corporate tax paid on your dental practice earnings.
What types of income count toward the passive income threshold?
Income that counts toward the passive income threshold includes interest, taxable capital gains, rental income, and portfolio dividends earned within the corporation.
Income that counts toward the passive income threshold includes interest, taxable capital gains, rental income, and portfolio dividends earned within the corporation. It is important to note that only the taxable portion of capital gains is included in this calculation. Active business income from your dental practice and dividends received from connected corporations do not count toward the passive income limit.
Can an Individual Pension Plan (IPP) help manage passive income?
Yes, an Individual Pension Plan (IPP) can be highly effective in managing passive income. Contributions made by your dental corporation to the IPP are tax-deductible, and the investments within the plan grow tax-deferred.
Yes, an Individual Pension Plan (IPP) can be highly effective in managing passive income. Contributions made by your dental corporation to the IPP are tax-deductible, and the investments within the plan grow tax-deferred. Because the assets are held within the pension trust rather than the corporation, the income generated does not count toward the $50,000 passive income threshold, helping to protect your small business deduction.
How does corporate-owned life insurance reduce passive income?
Corporate-owned life insurance reduces passive income because the cash value growth within an exempt life insurance policy is not considered taxable investment income.
Corporate-owned life insurance reduces passive income because the cash value growth within an exempt life insurance policy is not considered taxable investment income. Therefore, it does not count toward the $50,000 passive income threshold. This allows dentists to invest corporate surplus in a tax-sheltered environment, protecting their small business deduction while building a tax-efficient asset for retirement or estate planning.
Coordinate Tax Strategy With Long-Term Planning
Tax decisions inside a dental professional corporation don't happen in isolation. The choices you make about this area ripple into retirement timing, insurance design, and the eventual sale or transition of the practice.
SG Wealth Management works with incorporated dentists across Canada to coordinate tax, investment, and succession decisions inside a single integrated plan tailored to your career stage and province.

