T2125 Explained: Reporting Self-Employment Income

T2125 Explained: Reporting Self-Employment Income
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If you earn self-employment income in Canada — freelance, contract, gig, or small business — you report it on Form T2125, filed as part of your personal T1 return. Here is what each part covers and the records the CRA expects.

What T2125 is

T2125, Statement of Business or Professional Activities, calculates your net business income: gross revenue minus eligible expenses. That net figure flows into your T1 and is taxed at your marginal rate. You are taxed on profit, not revenue — which is exactly why tracking expenses matters.

What you report

  • Gross business or professional income, before expenses
  • Eligible business expenses, organized by category
  • Home office (Part 7) and vehicle (Chart A) costs — business-use portion only
  • Your industry code and, for online activity, your business web addresses

Complete a separate T2125 for each distinct business activity.

Common deductible expense categories

CategoryWhat you can deduct
Home office% of rent, utilities, and insurance based on workspace size
Vehicle% of fuel, insurance, and maintenance by business km (logbook required)
Phone & internetBusiness-use portion only
AdvertisingWebsite, online ads, platform fees
Supplies & softwareTools used to deliver your work
Professional feesAccounting and legal for business
Meals & entertainment50% of business-related amounts

Home office and vehicle: where people slip

Both are calculated on a business-use percentage and both need documentation — a workspace measurement for home office, a mileage logbook for vehicle. The CRA disallows vehicle claims without a log.

Keep all records for six years. Contemporaneous records — kept as you go, not reconstructed in April — are your best defence in a review.

Deadlines

Self-employed individuals file by June 15, but any balance owing is still due April 30. Interest starts May 1 on unpaid amounts.

How Count myAccount helps

We map your income and expenses to the right T2125 categories, review for audit risk before filing, and e-file with the CRA.

File your self-employed return →

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