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Self-Employment Tax Guide

12 min readUpdated December 2024

You're the Employee AND Employer

Self-employed individuals pay both portions of CPP (11.9% total) and must manage their own tax payments through installments. The upside: many business expenses are deductible.

Self-Employment Basics

What Is Self-Employment?

  • Running your own business (sole proprietor)
  • Freelancing or consulting
  • Gig economy work (Uber, Airbnb, etc.)
  • Professional practice
  • Commission sales without employer

Employee vs Self-Employed

FactorEmployeeSelf-Employed
Control over howEmployer directsYou decide
Tools/equipmentProvidedYou provide
Financial riskEmployer'sYours
Multiple clientsNoUsually yes

CPP for Self-Employed

Both Portions

  • Employee portion: 5.95%
  • Employer portion: 5.95%
  • Total: 11.9% (2024)
  • On net self-employment income

2024 Limits

  • Maximum pensionable earnings: $68,500
  • Basic exemption: $3,500
  • Maximum CPP: ~$7,735
  • Half is tax deductible

CPP2 (Second Additional)

  • New in 2024: additional 4% on earnings $68,500-$73,200
  • Self-employed pay both portions (8% total)
  • Builds additional CPP benefit

Tax Benefit: Half of CPP (employer portion) is deductible on Line 22200. This reduces your net income and total tax.

Calculating Business Income

Revenue

  • All business income received
  • Cash, cheque, electronic
  • Barter transactions at FMV
  • Work in progress (accrual)

Net Income Formula

Gross Revenue - Business Expenses = Net Business Income

  • Net income goes on Line 13500-13700
  • Complete Form T2125
  • Net income subject to income tax + CPP

Common Business Deductions

Advertising and Promotion

  • Website, social media ads
  • Business cards, brochures
  • Promotional items

Office Supplies

  • Paper, pens, ink
  • Computer supplies
  • Postage

Professional Fees

  • Accounting, legal fees
  • Bookkeeping
  • Business consulting

Business Travel

  • Transportation to client sites
  • Conferences, trade shows
  • Meals while traveling (50%)
  • Accommodation

Vehicle Expenses

  • Gas, maintenance, insurance
  • Business portion only
  • Track kilometers meticulously
  • Keep mileage log

Home Office Deduction

Eligibility

  • Work from home regularly
  • It's your principal place of business, OR
  • Used exclusively for business and meeting clients

Expenses to Claim

  • Rent OR mortgage interest (not principal)
  • Property taxes
  • Utilities (heat, electricity, water)
  • Home insurance
  • Maintenance, repairs (reasonable portion)

Calculation

  • Business-use percentage of home
  • Square footage method usually
  • 100 sq ft office / 1,000 sq ft home = 10%
  • Apply % to eligible expenses

Home Office Limit: Home office expenses can't create or increase a business loss. Unused amounts carry forward to future years.

Capital Cost Allowance (CCA)

What Is CCA?

  • Depreciation for tax purposes
  • Business assets spread over years
  • Different rates by asset class

Common CCA Classes

ClassRateAssets
Class 820%Furniture, equipment
Class 1030%Vehicles
Class 5055%Computers (separate)
Class 12100%Small tools under $500

Immediate Expensing

  • Up to $1.5M can be immediately expensed
  • For Canadian-controlled private businesses
  • Certain property types
  • Available through 2024

GST/HST Obligations

Registration Threshold

  • $30,000 revenue in any 4 consecutive quarters
  • Must register and charge GST/HST
  • Can voluntarily register earlier

Collecting GST/HST

  • Add tax to invoices
  • Track GST/HST collected
  • File returns (annual, quarterly, or monthly)

Input Tax Credits

  • Claim back GST/HST paid on business expenses
  • Reduces amount you remit
  • Keep receipts with GST numbers

Quick Method

  • Simplified GST/HST calculation
  • Keep portion of GST/HST collected
  • Don't claim ITCs on most expenses
  • May save money if few expenses

Tax Installments

Who Must Pay

  • Net tax owing over $3,000 (current and either prior year)
  • Quebec: $1,800 threshold
  • No withholding = must pay quarterly

Due Dates

  • March 15
  • June 15
  • September 15
  • December 15

Calculation Methods

  • Prior year: Base on last year's tax
  • Current year: Estimate this year's tax
  • CRA suggests: Use their installment reminders

Pro Tip: Set aside 25-30% of each payment received for taxes. Transfer to separate savings account. Avoid April surprises.

Filing Requirements

T2125 Statement

  • Complete for each business
  • Attach to personal tax return
  • Report income and expenses
  • Calculate net income

Filing Deadline

  • Self-employed: June 15
  • BUT tax owing due April 30
  • Interest charged from May 1
  • File early to know what you owe

Records to Keep

  • All receipts and invoices
  • Bank statements
  • Vehicle mileage log
  • Home office calculation
  • Keep 6 years

Common Mistakes

Avoid These Errors

  • Not separating personal/business finances
  • Missing deductions
  • Inadequate recordkeeping
  • Forgetting to pay installments
  • Not tracking vehicle kilometers
  • Overstating home office

Sole Proprietor vs Incorporation

Stay Sole Proprietor If

  • Income under $50,000-$75,000
  • Simpler administration
  • No liability concerns
  • Just starting out

Consider Incorporating If

  • Significant liability exposure
  • Income over $100,000+
  • Can leave money in corporation
  • Want to income split

Questions About Self-Employment Tax?

Our AI tax assistant can help answer specific questions about self-employment taxation.

Ask the Tax Assistant

Disclaimer: Self-employment tax situations vary significantly. Consider consulting an accountant, especially as your business grows.