Do I need to register for GST/HST as a self-employed person?

You must register for a GST/HST account once your taxable sales exceed $30,000 in a single calendar quarter or over four consecutive calendar quarters. This is called the "small supplier" threshold. You can also register voluntarily below $30,000 to claim input tax credits on business expenses. Most self-employed Canadians making over $30,000/year must register within 29 days of exceeding the threshold.

What are the biggest tax deductions for self-employed Canadians?

The largest deductions for the self-employed include: home office expenses (work-space-in-the-home deduction), vehicle expenses (business-use portion), professional fees and subscriptions, advertising and marketing, meals and entertainment (50% deductible), equipment and technology, and CPP contributions on self-employment income. Business-related travel, training, and insurance are also deductible.

How does a self-employed person pay CPP?

Self-employed Canadians must pay both the employee and employer portions of CPP — effectively double the rate of an employed worker. In 2026, the combined rate is 11.9% on net self-employment income between $3,500 and $71,300. This is calculated on Schedule 8 and added to your tax owing. The CPP2 enhancement also applies on earnings between $71,300 and $81,900 at 8%.

When should I incorporate my business?

Incorporation generally makes sense when your business consistently earns more than you need to live on. The main benefit is the small business tax rate (9% federal on active business income up to $500,000) vs the personal rate (up to 53% depending on province). As a rule of thumb, incorporation becomes advantageous when you leave $50,000+ per year inside the company. The decision also depends on liability concerns, professional requirements, and estate planning goals.

Salary vs dividends from my corporation — which is better?

There is no single answer — it depends on your income needs, retirement savings capacity, and province. Salary creates RRSP room and pensionable earnings (CPP), while dividends have no CPP cost but lower the tax refund. Many incorporated business owners use a combination: enough salary to maximize RRSP contributions and the basic personal amount, with additional income as dividends. Use our dividend vs salary calculator to model your situation.

What is a tax instalment for self-employed people?

If you owe more than $3,000 in net tax in the current year AND in either of the two previous years, you must pay quarterly tax instalments. Instalments are due on March 15, June 15, September 15, and December 15. Failing to pay on time incurs interest at the CRA prescribed rate plus 4%.

Self-Employment & Small Business Taxes in Canada: Complete Guide 2026

Self-employment in Canada comes with significant tax advantages — but also significant complexity. You pay more CPP, collect and remit GST/HST, and navigate a system designed for salaried employees. This guide gives you the complete picture: what’s deductible, when to register, whether to incorporate, and how to minimize your tax bill legally.

How self-employment income is taxed

Self-employment income is reported on Schedule T2125 (Statement of Business or Professional Activities). You pay:

Federal and provincial income tax on net self-employment income (after deductions)
CPP contributions — both employee and employer portions (11.9% combined in 2026, on income $3,500–$71,300)
GST/HST — collected from clients and remitted to CRA (minus input tax credits)

Unlike employment income, there is no withholding tax — you must set money aside yourself and pay via quarterly instalments if your tax bill will exceed $3,000.

Effective tax rates for self-employed Canadians (Ontario, 2026):

Net Self-Employment Income	Approx. Combined Tax + CPP Rate
$30,000	~28%
$60,000	~38%
$80,000	~43%
$100,000	~46%
$150,000	~52%

Set aside approximately 25–35% of every payment you receive for tax, depending on your income level.

Key deductions for the self-employed

A business expense is deductible if it is incurred to earn business income and is reasonable in the circumstances. The most impactful deductions:

Self-employed deduction checklist

Deduction area	Typical claim approach	Documentation to keep
Home office	Workspace % of eligible home costs	Lease/mortgage interest, utilities, floor plan
Vehicle	Business km / total km applied to eligible auto costs	Mileage log, fuel/insurance/maintenance receipts
Phone and internet	Business-use percentage	Monthly bills with business allocation notes
Software and tools	100% if business-only, prorated if mixed-use	Invoices and subscription records
Professional fees	Accounting, legal, consulting, memberships	Engagement letters and receipts
Travel and meals	Travel 100%, meals generally 50%	Itineraries, invoices, purpose notes
Subcontractors	Contracted labour for business activity	Contracts, invoices, payment records

Home office

If you work from home, you can deduct a portion of your household expenses proportional to the space used for work:

Rent method: Deduct % of square footage used × annual rent
Ownership method: Deduct % of mortgage interest, property taxes, utilities, maintenance, and home insurance
Note: You cannot create or increase a business loss using the home office deduction

Form: T2200 (if employed) or T2125 (if self-employed)

Vehicle expenses

If you use your personal vehicle for business, you can deduct the business-use percentage of:

Gas, oil, tires
Insurance and registration
Repairs and maintenance
Lease payments (limited) or Capital Cost Allowance on the vehicle

Keep a mileage log — the CRA frequently audits vehicle deductions.

Other major deductions

Professional fees: Accounting, legal, consulting
Advertising and marketing: Website, Google Ads, business cards
Office supplies and equipment: Computer, phone (business-use %), software
Meals and entertainment: 50% of business-related meals
Travel: Airfare, hotel, car rental for business travel (100% if business purpose is clear)
Salaries paid to employees or subcontractors
Professional memberships and subscriptions
Bad debts written off

See full list: Self-Employed Tax Deductions in Canada

GST/HST for the self-employed

Once you exceed $30,000 in taxable sales:

Register for a GST/HST account with the CRA
Charge GST/HST on your invoices (5% federally; 13% in ON; 15% in Atlantic; 14.975% in QC)
Collect the tax from clients
Claim Input Tax Credits (ITCs) on GST/HST you paid on business expenses
Remit the difference (collected minus ITCs) to CRA on your filing schedule

Quick method: Small suppliers under $400,000 in taxable sales may opt into the Quick Method, remitting a flat percentage of sales instead of tracking ITCs individually. Often saves time and sometimes money.

See: How to Register for GST/HST | GST/HST Quick Method vs Regular | GST/HST for Freelance Income

Should I incorporate?

Incorporation makes sense when:

Your business earns significantly more than your personal living expenses
You want to defer personal income tax by leaving money in the corporation
You need liability protection
You’re in a regulated profession that requires a professional corporation

Key tax advantage: The small business deduction lets a Canadian-Controlled Private Corporation (CCPC) pay only 9% federal tax on active business income up to $500,000. At a personal income of $150,000, you’d pay ~52% instead. The deferred tax savings compound significantly.

Caution: Incorporation adds complexity and costs (corporate tax return, legal setup, ongoing bookkeeping). If you withdraw most of your earnings each year, the benefit is minimal and the costs outweigh the savings.

See: Should I Incorporate My Side Hustle? | Business Structures in Canada | CCPC Tax Planning Guide

Decision framework: sole proprietor vs incorporation

Situation	Usually best structure	Why
Under ~$80k net income and you withdraw most earnings	Sole proprietorship	Lower admin cost and simpler compliance
~$80k-$150k and income is growing	Case-by-case	Incorporation can help if profits stay in company
You consistently leave $50k+ inside the business annually	Corporation	Tax deferral and reinvestment advantage
Liability exposure is meaningful (staff, contracts, risk)	Corporation	Better legal separation than sole prop
You need the simplest setup while validating business model	Sole proprietorship	Fast start, low fixed costs

Salary vs dividends from a corporation

If incorporated, you must decide how to take money out:

Factor	Salary	Dividends
RRSP room created	Yes	No
CPP contributions	Yes (employer + employee)	No
Personal tax rate	Higher (marginal)	Lower (dividend tax credit)
Payroll remittances	Required	No
Best for	High earners wanting RRSP room	Those with ample RRSP room

Use our Dividend vs Salary Calculator and read: Salary vs Dividends from a Corporation

Self-employment tax articles

Basics

Deductions & expenses

GST/HST

Incorporation & business structures

CPP & instalments

Retirement for self-employed

Tax Deductions & Credits — All personal and business deductions
Tax Filing in Canada — Filing your T1 and T2 returns
Government Benefits — EI for self-employed, disability
Side Hustles & Extra Income — Starting a side hustle in Canada
Alternative Mortgages — Self-employed, non-traditional, and complex borrower options
Salary & Compensation — Paying yourself fairly

Decision framework

A strong hub helps readers choose a path quickly instead of reading every article linearly. Start by mapping your situation, time horizon, and risk tolerance, then pick the relevant subtopic branch.

Decision input	What to clarify first
Time horizon	Immediate action, this year, or long-term planning
Financial impact	High-stakes decision or low-stakes optimization
Complexity level	Simple setup, moderate comparison, or advanced strategy
Evidence needed	Rule-of-thumb decision or data-backed model

When the decision has tax, legal, or debt implications, prioritize the framework articles first and then move into specific calculators and implementation guides.

Implementation checklist

Use this checklist to translate research into execution:

Define the exact outcome you are trying to achieve.
Collect baseline numbers before changing strategy.
Compare at least two practical options using the same assumptions.
Document your final decision and next review date.
Revisit after any major income, family, rate, or policy change.

Most mistakes come from skipping the baseline and jumping directly to action. A documented process improves decision quality and reduces costly reversals.

Common mistakes and how to avoid them

Common mistake	Better approach
Chasing one metric in isolation	Evaluate full cash-flow, tax, and risk impact
Using generic assumptions	Adapt inputs to your province, income, and timeline
Delaying implementation too long	Start with a conservative version and refine quarterly
Ignoring downside scenarios	Test best case, base case, and stress case

A hub page should function like a control panel: clear sequencing, practical ranges, and explicit trade-offs for real-world decisions.

Tracking metrics that matter

Track a small set of indicators so you can adjust early:

Net monthly cash-flow impact n- Effective tax rate or fee drag where relevant
Debt and savings progress against target timeline
Risk exposure (rate sensitivity, concentration, liquidity)
Decision review cadence (monthly, quarterly, annually)

If the chosen strategy underperforms for two consecutive review periods, reassess assumptions before adding complexity.