Skip to main content

T2125 Guide: Self-Employed Business Income in Canada (2026)

Updated

What Is Form T2125?

Form T2125 Statement of Business or Professional Activities reports:

  • Gross business income (what you earned)
  • Business expenses (what you can deduct)
  • Net business income (what’s taxed)
Feature Details
Full name Statement of Business or Professional Activities
Who uses it Sole proprietors, freelancers, contractors
Part of Personal tax return (T1)
Alternatives T2042 (farming), T2121 (fishing)

Who Must File T2125

Situation File T2125?
Freelancer/contractor Yes
Side hustle income Yes
Gig economy (Uber, DoorDash) Yes
Professional practice (lawyer, doctor) Yes
Online business Yes
Rental income No (use T776)
Employee with T4 No T2125, but may need T777

T2125 Section Guide

Part 1: Identification

Field Enter
Name of business Your business name or your name
Business address Where you operate
Fiscal year end Usually December 31
Industry code 6-digit NAICS code
Main product/service Brief description
GST/HST number If registered

Common industry codes:

Business NAICS Code
Freelance writer 711510
IT consultant 541514
Graphic designer 541430
Real estate agent 531210
Rideshare driver 485310
Food delivery 492210

Part 2: Internet Business Activities

Question Describe
Website address Your business website
% of income from internet e.g., 80%
Type of activity E-commerce, services, advertising

Part 3: Business Income

Line Description
8000 Gross sales/commissions/fees
8230 Cost of goods sold (if applicable)
8299 Gross profit

Reporting income:

  • Report all income received or receivable
  • Include cash, cheques, e-transfers, crypto
  • Include GST/HST collected (if registered)

Part 4: Cost of Goods Sold

For businesses that sell products:

Line Description
8300 Opening inventory
8320 Purchases during the year
8400 Direct labour costs
8500 Subcontracts
8518 Closing inventory
8519 Cost of goods sold

Part 5: Expenses

Common deductible expenses on T2125:

Expense Line Deductibility
Advertising 8520 100%
Meals and entertainment 8523 50%
Bad debts 8590 100%
Insurance 8690 100%
Interest 8710 100% of business portion
Professional fees 8860 100%
Office expenses 8811 100%
Supplies 8811 100%
Legal fees 8862 100%
Travel 8960 100%
Telephone/utilities 8220 Business portion
Vehicle 9281 Business portion
Capital cost allowance 9936 By CCA class

Part 6: Business-Use-of-Home Expenses

Line Expense Type
9945 Heat
9945 Electricity
9945 Insurance
9945 Maintenance
9945 Mortgage interest
9945 Property taxes
9945 Rent
9945 Other

Calculation:

Business-use % = Work space sq ft ÷ Total home sq ft
Deduction = Total expenses × Business-use %

Calculating Net Business Income

Line Description
8299 Gross profit
Total expenses
= Net income before adjustments
Capital cost allowance
Business-use-of-home
= Net business income (Line 9946)

This amount is reported on Line 13500 (gross) and Line 13510 (net) of your T1.

Common Business Expenses Explained

Advertising (Line 8520)

Deductible Not Deductible
Online ads (Google, Facebook) Advertising to foreign audiences (limited)
Business cards
Website hosting
SEO services

Meals and Entertainment (Line 8523)

Rule Amount
General meals/entertainment 50% deductible
Long-haul truckers 80% deductible
Meals while traveling overnight 50%

Keep receipts with: date, location, business purpose, attendees.

Vehicle Expenses (Line 9281)

Expense Business Portion Claimable
Gas Yes
Insurance Yes
Maintenance Yes
Lease payments Yes, with limits
CCA (if owned) Yes

Calculate business-use percentage:

Business km ÷ Total km = Business-use %

Keep a mileage log with: date, destination, purpose, km driven.

Capital Cost Allowance (CCA)

Asset CCA Class Rate
Computer equipment Class 50 55%
Office furniture Class 8 20%
Vehicle Class 10 30%
Building Class 1 4%
Software Class 12 100%

CCA is claimed at half-rate in the year of purchase (half-year rule).

Home Office Expenses

Own or Rent Claimable Expenses
Rent Proportional rent
Own Mortgage interest, property taxes, insurance, utilities
Both Maintenance, repairs related to workspace

Cannot claim:

  • Mortgage principal
  • Decorating costs
  • Furniture (use CCA instead)

CPP on Self-Employment Income

Self-employed individuals pay both portions of CPP:

2026 CPP Rate
Employee portion 5.95%
Employer portion 5.95%
Total 11.9%
Max pensionable earnings $74,600
Maximum CPP $8,460.90

Plus CPP2 on earnings $74,600 – $85,000:

  • Rate: 8% (4% × 2)
  • Maximum CPP2: $832

CPP is calculated on Schedule 8.

GST/HST Considerations

Registration Threshold

Situation GST/HST Registration
Income under $30,000 Optional
Income over $30,000 Mandatory
Taxi/rideshare Mandatory from first dollar

If Registered

Action Treatment
GST/HST collected Add to income (or remit separately)
Input tax credits Recover GST/HST on expenses
Filing frequency Annual, quarterly, or monthly

Quick Method

Simplified GST/HST accounting:

  • Keep all GST/HST collected
  • Pay reduced rate (varies by province)
  • No ITCs claimed

Common T2125 Mistakes

Mistake Correction
Missing income Report all, even without invoice
Personal expenses Only business-related are deductible
No mileage log Keep detailed records
Claiming meals at 100% Most meals only 50% deductible
Missing HST on expenses Claim ITCs if registered
No home office calculation Document workspace percentage

Record Keeping Requirements

Record Keep For
Receipts 6 years
Bank statements 6 years
Invoices issued 6 years
Mileage log 6 years
GST/HST returns 6 years

Acceptable formats:

  • Paper originals
  • Scanned copies
  • Digital receipts
  • Accounting software exports

Filing Deadline

Status Tax Deadline Payment Deadline
Self-employed June 15 April 30
Self-employed with balance owing June 15 Interest from May 1

You have until June 15 to file, but interest accrues from May 1 if you owe.

Business Loss

Situation Treatment
Loss this year Can offset other income
Reasonable expectation of profit Required for loss claims
Home office in loss year Cannot create/increase loss
Capital losses Different rules (Schedule 3)

Business losses reduce your taxable income from employment, investments, and other sources.

Example T2125 Calculation

Freelance graphic designer:

Item Amount
Gross income (Line 8000) $85,000
Expenses:
Advertising $2,000
Software subscriptions $1,500
Computer (CCA) $800
Office supplies $500
Professional fees (accountant) $1,200
Internet (60% business) $720
Phone (50% business) $600
Total expenses $7,320
Home office:
Rent ($24,000 × 15%) $3,600
Utilities ($2,400 × 15%) $360
Total home office $3,960
Net business income $73,720

Then pay:

  • Income tax on $73,720
  • CPP of ~$8,460 (on Schedule 8)
  • No EI (unless opted in)

Tips for T2125

  1. Separate bank account — Not required but simplifies tracking
  2. Accounting software — Wave, QuickBooks Self-Employed, FreshBooks
  3. Track mileage — Apps like MileIQ automate this
  4. Quarterly estimates — Avoid interest by making instalments
  5. Professional help — Consider an accountant for complex situations