Guide
Incorporating and running a medical practice in BC.
For most physicians the big decisions come in the first few years of practice: how to handle your first year of billing, whether to incorporate, and how to pay yourself once you do.
Your first year of billing
Whether you're paid fee-for-service through MSP, under the Longitudinal Family Physician (LFP) payment model, or through sessional and contract payments, no tax is withheld on most of it. That makes the first year the riskiest.
- Set aside roughly a third of your billings for tax until your first return is filed
- Keep receipts for practice costs: overhead splits, CMPA fees, licences, dues and continuing education
- Expect CRA instalment reminders once you owe more than $3,000 in tax
- Medical services are GST exempt, so most physicians don't register for GST
Should you incorporate?
A medical corporation, permitted by the College of Physicians and Surgeons of BC, lets income you don't need to live on be taxed at the small business rate instead of your personal rate. The benefit comes from deferral: the more you can leave in the corporation, the more it's worth.
If you need nearly all of your income to live on, incorporating adds cost without much benefit. If you can leave a meaningful amount in the corporation each year, it usually pays for itself. We run the numbers on your actual billings before you decide.
Paying yourself once incorporated
Salary creates RRSP room and CPP pensionable earnings. Dividends avoid payroll and CPP. Many physicians use a mix and revisit it each year as their income and goals change.
Family members and TOSI
The tax on split income rules mean dividends paid to a spouse or children from a medical corporation are usually taxed at the top rate. The main exception: once you turn 65, dividends to your spouse are generally excluded. Paying a family member a reasonable salary for real work is still allowed.
Investing inside your corporation
Surplus left in the corporation can be invested, but passive investment income above $50,000 a year starts to reduce the small business deduction, and it's eliminated at $150,000. Choosing investments with this in mind, or using a holding company, can protect the lower rate.
Key dates for physicians
- April 30: personal tax payment deadline
- June 15: personal filing deadline for self-employed physicians
- Quarterly instalments: March, June, September and December 15
- Six months after your corporation's year-end: T2 return due
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