Table of Contents

What is Form T2125?

Who needs to fill out Form T2125?

What information do you need to complete Form T2125?

How to fill out Form T2125 step by step

Common business expenses reported on Form T2125

Common T2125 mistakes to avoid

How Intuit QuickBooks can help with T2125 preparation

Form T2125 Frequently Asked Questions

If you're self-employed in Canada, Form T2125 is the piece of your tax return where you report what your business made and spent. Most freelancers encounter it for the first time when filing taxes as a self-employed entrepreneur. At that point, it's easy to get stuck on basic questions: What counts as income? What counts as an expense? Do you need more than one form?

This guide covers the basics of what the T2125 form includes and how to fill it out. It also walks through the most common deductions freelancers use, including home office costs.

What is Form T2125?

Form T2125, the Statement of Business or Professional Activities, is the CRA form that self-employed individuals use to report income and expenses from a business or professional activity. It’s one of the key freelancer tax forms that you’ll file as part of your personal T1 return package.

The form combines what used to be two separate forms: T2124 for business activities and T2032 for professional activities. The new form requires you to report gross income, subtract eligible expenses, and arrive at a net income or loss figure that flows onto your T1 and is taxed alongside your other income.

Note: If your income comes from farming or fishing, you'll use a different form: Form T2042 for farming or Form T2121 for fishing.

Who needs to fill out Form T2125?

You need to complete Form T2125 if you earn self-employment income as a sole proprietor, a partner in an unincorporated partnership, or a freelancer or independent contractor. This can include, among others:

• Consultants
• Tradespeople
• Gig workers
• Creative freelancers
• Anyone running an unincorporated side business alongside other income

This list isn't exhaustive, since the form applies based on how you earn and structure your income, not your specific occupation.

If you've incorporated, meaning your business is legally registered as its own corporation separate from you personally, then this form doesn't apply to you. In that case, you're treated as an employee of your corporation, which files its own separate return.

Do you need more than one T2125 form?

Possibly, if you operate more than one business or professional activity. For the CRA, this question comes down to how interconnected the activities are. Factors like shared clients and unified branding often indicate a unified business, but rulings can vary based on circumstances.

In practice, two services often belong on one T2125 if they overlap in clients and run under one business name, such as a freelancer offering both graphic design and web design. Activities with little overlap, like a design practice run alongside an unrelated consulting business, are more likely to need separate forms. If you're unsure, confirm with a tax professional or the CRA directly.

What information do you need to complete Form T2125?

Before you start, make sure you have all of the following available:

• Your business name, industry code, and business address
• Your fiscal period (most sole proprietors use the calendar year)
• Total income for the year, including unpaid invoices if you use the accrual method
• Receipts and records for all expenses you plan to claim
• The square footage of your home office and total home, if claiming business-use-of-home expenses
• A mileage log showing business versus personal kilometres, if claiming vehicle expenses
• Partnership details, including each partner's share of income and expenses, if applicable

How to fill out Form T2125 step by step

Form T2125 is a multi-page tax form with nine parts. For more details about each step, see our guide to T2125 forms for accountants and small business owners. Here are the basics you need to know about each section:

• Part 1 – Identification. Enter your name, SIN, business name, business address, business number (if you have one), main product or service, and industry code.
• Part 2 – Internet business activities. If your business generates income through a website, enter the URL and the percentage of your gross income earned through it. This includes marketplace and auction sites, and income from ad programs like Google AdSense. If you earn income through more than five sites, report the top five.
• Part 3 – Business or professional income. Report gross income in 3A (business income) or 3B (professional income), depending on which applies, including any GST/HST collected. 3C totals your gross income. 3D accounts for cost of goods sold, if your work involves selling physical goods or materials, to arrive at gross profit.
• Part 4 – Expenses. Enter your business expenses by category, such as advertising, meals, or office expenses. This is also where you calculate capital cost allowance on depreciable assets like a computer or vehicle, if you're claiming it.
• Part 5 – Net income before adjustments. Subtract total expenses from gross income to get a preliminary net income or loss figure, before business-use-of-home expenses are applied.
• Part 7 – Business-use-of-home expenses. Calculate your home office deduction here, using your business-use percentage applied to eligible home costs. The result reduces the net income figure from Part 5. (Parts 6, 8, and 9 cover details that are specific to businesses run as partnerships and don't apply if you're filing as a sole proprietor.)
• Final net income or loss. The result after Part 7 is what transfers to your T1 return.

Since several of these parts depend on records kept throughout the year, such as categorized expenses or mileage logs, many freelancers find it easier to pull this information from their bookkeeping software than to reconstruct it from scratch at tax time.

Common business expenses reported on Form T2125

The CRA allows self-employed Canadians to claim a wide range of self-employed tax deductions, including:

• Office supplies and operating expenses: stationery, software subscriptions, and utilities
• Home office expenses: a portion of rent or mortgage interest, utilities, and home insurance, based on business-use percentage
• Vehicle expenses: the business-use portion of fuel, insurance, maintenance, and depreciation, backed by a mileage log
• Travel expenses: transportation, lodging, and related costs for business trips
• Meals and entertainment: generally 50% of the cost when directly related to business
• Advertising and marketing: costs for promoting your business
• Website and software expenses: hosting, design costs, and software subscriptions
• Professional fees and licensing: membership dues, certifications, and courses tied to your work
• Interest and bank charges: interest on business loans and business banking fees, within CRA limits
• Insurance: premiums for business or professional liability insurance tied to operating your business

Tracking and claiming home office expenses. This one works differently than the rest of the list — it's calculated in its own section of the form, with its own eligibility test and limit.

To claim it, your home must be either your principal place of business or a space you use exclusively and regularly to meet clients. The CRA's pandemic-era flat-rate method is no longer available, so you'll need the detailed method: measure your workspace as a percentage of your total home area, then apply that percentage to costs like heat, electricity, insurance, and rent or mortgage interest.

Because this method relies on keeping those costs organized, consistent expense tracking can make the process easier. QuickBooks can help freelancers track expenses throughout the year, leaving more time to find clients and generate revenue.

Keep receipts for anything you claim, and note that the deduction can't create or increase a business loss. Any excess carries forward to a future year.

Common T2125 mistakes to avoid

These are some common errors that a little bit of prep work will help you avoid:

• Claiming personal expenses as business expenses. Only the business-use portion of a mixed-use cost is deductible.
• Skipping the mileage log. Without a mileage log, the CRA has no way to verify a vehicle expense claim. Easily track business mileage with Intuit QuickBooks’ mileage tracker.
• Overestimating home office square footage. A disproportionate business-use percentage can draw scrutiny.
• Letting home office expenses create a loss. Not permitted — track net income before applying this deduction.
• Not keeping receipts. A deduction without documentation can be denied on review.
• Filing one T2125 for clearly separate businesses. Activities with little overlap each need their own form.

How Intuit QuickBooks can help with T2125 preparation

Form T2125 asks for a full year of income and expense detail, so many freelancers use solopreneur bookkeeping software to organize as they go and avoid tax season headaches. QuickBooks Online lets you categorize expenses, track mileage, and capture receipts year-round, so numbers transfer onto the form instead of being reconstructed from scratch. Ready to simplify next tax season? QuickBooks Lite offers the features freelancers need to get started.