Freelancer Financial Planning in Ottawa: Cash Flow, Instalments and When to Incorporate

Freelance income arrives when clients feel like paying. Tax obligations arrive on fixed dates whether or not that has happened. Almost every freelance financial problem I see is a timing problem dressed up as an income problem.

The fix is not complicated, but it is structural, and it has to be set up before the money starts moving rather than in the week before a filing deadline.

The two dates that matter, and the one people get wrong

A self-employed person, and their spouse or common-law partner, gets until 15 June to file. The balance owing is still due 30 April, and interest runs from 1 May regardless of the extended filing date. The extension is a filing extension, not a payment extension. The CRA sets both out under due dates and payment dates.

Treat 30 April as your deadline and the June date as insurance for a late slip or a missing receipt. Filing in June with an unpaid balance means six weeks of compounding interest you chose to incur.

Instalments: the threshold, not a guess

You are required to pay tax by instalment if your net tax owing exceeds $3,000 in the current year and also in either of the two preceding years. In Quebec the threshold is $1,800. Below that, you settle once a year and instalments are irrelevant.

Individual instalments are due 15 March, 15 June, 15 September and 15 December. The CRA offers three calculation methods, and choosing between them is the actual planning decision:

The important asymmetry: paying the no-calculation amounts shown on the CRA reminder means no instalment interest can be charged even if you end up owing more. Estimating your own lower figure and getting it wrong means interest on the shortfall. So a freelancer having a genuinely bad year should use the current-year method, and one who simply hopes it will be a bad year should not.

On the penalty, the internet is wrong. The instalment penalty is not a percentage of the underpayment. Instalment interest is charged first, and a penalty applies only where that interest exceeds $1,000. Where it does, the CRA takes the greater of $1,000 and 25% of the interest you would have owed had you made no instalments at all, subtracts that from your actual instalment interest, and halves the difference. The result is that a modest shortfall attracts interest and no penalty. The calculation is set out at instalment interest and penalty charges, and the mechanics in tax instalments for individuals.

Instalment interest is charged at the prescribed rate, which is set quarterly. Check the current one at the CRA’s prescribed interest rates rather than assuming.

The reserve, and why a flat percentage fails

The standard advice is to set aside a fixed percentage of every payment. The advice is right; the percentage usually is not, because it ignores three things.

Your rate is marginal, not average. Freelance income stacks on top of any employment income, investment income or a spouse’s transferred amounts. Someone with a $70,000 salary and $25,000 of freelance income is reserving against the rate that applies to the top slice, not the rate on their whole return.

CPP is on top of income tax. A self-employed person pays both the employee and employer halves, calculated on Schedule 8 and payable with the balance. Half of the base contribution is deductible and half is a non-refundable credit, with the enhanced portion fully deductible, but the cash still leaves on 30 April. See line 22200 and self-employed CPP contributions.

HST collected is not revenue. It is the government’s money sitting in your account. Freelancers who spend it are the most common emergency I see.

The practical structure: two separate accounts, not one. HST goes into one the day an invoice is paid. The income tax and CPP reserve goes into another, at a percentage you calculate once against your actual marginal rate and revisit when your income changes materially. Federal and provincial rates change, so build the percentage from the current rates rather than from a number you remember.

GST/HST: the threshold behaves differently than people assume

You must register once you stop being a small supplier: worldwide taxable revenue over $30,000 across four consecutive calendar quarters, counted with any associated persons.

The part that catches people is what happens when you cross it. Exceed $30,000 in a single calendar quarter and you cease to be a small supplier immediately, with the supply that took you over already taxable. Cross it cumulatively over four quarters and you have a short transition before registration is required. The distinction decides whether you owe tax on an invoice you have already sent without it. The rules are at when to register for and charge GST/HST.

In Ontario you charge 13% HST, one combined tax, not 5% GST plus something else. For clients outside Ontario the rate follows place-of-supply rules based on the client’s location, not yours.

Two further points worth knowing:

• Registering voluntarily below the threshold lets you recover input tax credits on your own purchases. For a freelancer with real equipment and software spending, and business clients who simply claim the tax back, it is frequently the better choice. For one selling to individuals, it is a 13% price increase
• The Quick Method can reduce remittances and paperwork for a service business with low input costs. It has an election and eligibility conditions, and it is worth modelling against the regular method rather than assuming

The RRSP timing rule that costs people money

RRSP contributions are deductible if made during the year or in the first 60 days of the following year, which ordinarily means by 1 March. The claim that you have until 30 April, or until June because you are self-employed, is simply wrong: the extended filing date does not extend the contribution window.

Second, the contribution and the deduction are separate decisions. You may contribute now and carry the deduction forward to a higher-income year, which is often the right move for a freelancer whose income swings materially year to year. See line 20800.

Your room is 18% of the prior year’s earned income to an annual dollar maximum, plus carry-forward. Take both from your Notice of Assessment or CRA My Account rather than calculating them, because pension adjustments and past over-contributions change the answer.

For a freelancer with volatile income, the year-by-year decision is roughly:

Is this year's income clearly ABOVE your normal range?
├─ YES ──> contribute and deduct now. This is the year the
│          deduction is worth the most.
└─ NO
   │
   Is this year's income clearly BELOW your normal range?
   ├─ YES ──> fund the TFSA instead, or contribute to the RRSP
   │          and CARRY THE DEDUCTION FORWARD.
   └─ NO ───> contribute steadily, deduct in the year made.

Incorporation: the question is deferral, not rate

The comparison that circulates online sets a corporate rate against a top personal rate and concludes that incorporation obviously wins. It does not, because a corporation is a deferral, not a discount. Money taken out is taxed personally on the way out, and Canada’s integration system is designed so that earning through a corporation and paying it all out produces roughly the same result as earning it personally.

The corporate advantage is real only where money stays in. So the honest test is not what you earn. It is what you can leave behind after paying your household costs.

Three specifics that decide it more often than the rate does:

Business losses. A sole proprietor’s loss offsets other personal income in the same year. A corporation’s loss is trapped in the corporation until it has profit. For an early-stage freelancer this alone argues against incorporating.

One-client work risks the personal services business rules. An incorporated contractor working like an employee for a single payer can be a personal services business, which is denied the small business deduction and nearly all ordinary expense deductions. The result is worse than not incorporating at all. See the personal services business rules.

The lifetime capital gains exemption only exists for shares. If there is any prospect of selling the practice, the exemption on qualified small business corporation shares, currently $1.25 million, requires a corporation, and requires its conditions to have been met for two years before the sale.

The corporate rates and the small business deduction limit change, so model the decision against the current corporate rates and read sole proprietorship versus corporation before committing.

What to set up in your first month

1. A separate business chequing account. Every invoice paid into it, every business expense paid from it
2. Two reserve accounts: one for HST, one for income tax and CPP
3. Bookkeeping that categorises expenses as you go, not in April. What you can deduct is covered in side hustle and gig work tax deductions
4. A note in your calendar for 15 March, 15 June, 15 September and 15 December, whether or not you owe instalments yet
5. Form T2125 read once, before your first year end, so you know which categories you are expected to produce

None of that is sophisticated. It is the difference between a freelance practice that survives a slow quarter and one that does not.

The incorporation question sits above all of it and only has an answer once the figures are on the table, which is why it is usually handled as a single decision in a single sitting.

If you are unsure whether you have crossed the GST/HST threshold, whether you owe instalments this year, or whether incorporating is worth the annual cost in your particular numbers, that is a short and specific review. All three have definite answers once someone has seen the figures.