Taxes23 sept. 2026·6 min

How to Fill Out the T2125 as a Canadian Freelancer: A Plain-English Guide

How a Canadian freelancer fills out the T2125 form for business income and expenses

How do you fill out the T2125? The T2125, officially the Statement of Business or Professional Activities, is the form where you report what your freelance business earned and what it spent, and it attaches to your regular personal tax return. You fill in your business details, your gross income, your expenses by category, and the form works out your net income, the profit that then gets added to the rest of your income on your T1. If you are a sole proprietor in Canada, this one form is most of your self-employment tax filing.

It looks intimidating because it is a government form with a lot of boxes. The actual logic underneath it is short: money in, money out, what is left is what you are taxed on. Once you see it that way, the boxes stop being scary.

What is the T2125 and who has to file it?

The T2125 is a supporting form for your T1 personal income tax return. If you earned self-employment income as a sole proprietor or an unincorporated freelancer, this is where that income gets reported. You do not file it on its own; it rides along with your personal return and feeds a net income figure into it.

You need one if you freelanced for money, whether that was a full-time business or a side income on top of a job. Incorporated businesses file differently, through a corporate return, so the T2125 is specifically the sole-proprietor and unincorporated path. If you are weighing whether to incorporate at all, that is a separate decision with its own tradeoffs.

What is the difference between business and professional income?

The form splits income into two types, and you only fill in the one that applies to you. Business income covers most freelance work: design, development, consulting, trades, writing, and the like. Professional income is for members of certain regulated professions who carry work in progress, such as accountants, lawyers, and some medical practitioners.

For most freelancers, the answer is business income, and you leave the professional section blank. If you genuinely have both kinds, the CRA asks you to fill out a separate T2125 for each. When in doubt, most independent contractors are reporting business income, and a quick check with an accountant settles the rare edge cases.

How do you report your income on the T2125?

You start with gross income, the total of everything you billed and collected for your work before any expenses come out. Add up every invoice you were paid across the year and that total is your starting number. This is exactly why keeping your invoices in one place matters: at tax time, your gross income should be a number you can read off, rather than a weekend of digging through email and bank statements.

If you charged GST/HST, that tax is not part of your business income, because it was never your money to keep. You collected it on the government's behalf and it gets handled separately. Your income on the T2125 is what you earned for the work itself.

Where do your expenses and write-offs go?

The middle of the form is a list of expense categories, and this is where your write-offs live. Advertising, meals and entertainment, office supplies, business-use-of-home, motor vehicle costs, software and subscriptions, professional fees, and so on each have their place. You enter what you spent in each category, following the usual rules: only the business share of anything mixed, and only reasonable amounts incurred to earn income.

Bigger, lasting equipment gets its own treatment in the capital cost allowance section rather than the ordinary expense lines. Instead of deducting a laptop or a camera in full the year you buy it, you claim it gradually over several years, and the form has a dedicated area to work that out. Everything you deduct here comes straight from the same expenses you should have been tracking all year, which is the entire argument for logging them as you go instead of reconstructing them in April.

What number comes out the other end, and what do you do with it?

Once your expenses come off your gross income, the form gives you your net income, your actual profit. That is the number that matters, because your income tax and your CPP contributions are both calculated on net income, the profit, rather than on everything a client ever paid you. A freelancer who tracks every legitimate expense reports a lower net income than one who does not, and pays tax accordingly.

That net figure then flows onto your T1 and gets added to any other income you had for the year. If you set money aside for taxes as you went, this is the moment it pays off. If you did not, this is the moment it hurts. The form is just the accounting; the habit of tracking income and expenses all year is what makes filling it in a twenty-minute job instead of a dreaded one.

How Loot helps

Loot will not file your T2125 for you, and it is honest about that. What it does is make the two numbers the form runs on, your gross income and your expenses, things you can read off instead of reconstruct. Every invoice you send and every expense you log sits in one place with a running total, so when it is time to fill in the form, gross income is a figure you already have and your expenses are already sorted by category. Canadian, built for freelancers, free to start. When tax season comes, the work is already done.

Frequently asked questions

Do I file the T2125 separately from my tax return? No. The T2125 is a supporting form that attaches to your T1 personal income tax return. It calculates your net business income, and that figure gets carried onto your main return. You file them together.

Do I report business or professional income on the T2125? Most freelancers report business income, which covers design, development, consulting, trades, writing, and similar work. Professional income is a separate category for certain regulated professions that carry work in progress. If you have both kinds, you fill out a separate T2125 for each.

Is the GST/HST I collected part of my income on the T2125? No. GST/HST you collected was never your money to keep; you collected it for the government and it is handled separately. Your income on the T2125 is what you earned for the work itself, before that tax.

Where do my write-offs go on the T2125? In the expense categories in the middle of the form: advertising, meals, office supplies, business-use-of-home, motor vehicle, software, and more. Larger lasting equipment goes in the capital cost allowance section instead, where you deduct it gradually over several years.

What does the T2125 actually calculate? Your net income. It takes your gross income, subtracts your allowable expenses, and produces the profit figure that your income tax and CPP contributions are based on. That net number then flows onto your T1 return.

This is general information for context, and it isn't tax advice. Everyone's situation is different, and a CRA rule can apply to you in a way a blog post cannot predict. For your own return, check the current CRA guidance or talk to an accountant. For more on the tax side of freelancing, our guides walk through GST/HST and registration.