Self-Employed & Sole Proprietors
Being self-employed feels simple at first — invoice, get paid, file a tax return — until you realize the T2125 form has more nuance than most people expect, HST registration sneaks up on you mid-year, and CPP now costs you twice what it did as an employee. None of this means self-employment is a bad structure. It means the details matter more than the “simple” reputation suggests.
The Problems We Solve
- T2125 accuracy. The Statement of Business or Professional Activities is where most sole proprietor tax problems start — mixing personal and business expenses, missing legitimate deductions, or claiming ones that don’t hold up is the single most common audit trigger in this group.
- HST registration threshold. Registration becomes mandatory once your taxable supplies (not total revenue) exceed $30,000 over a single calendar quarter or over four consecutive calendar quarters combined — not per calendar year, which is the detail that catches people who track it the wrong way. If part of your income comes from HST-exempt activities, the threshold calculation isn’t as simple as your top-line revenue.
- CPP — both portions. As a self-employed person, you pay both the employee and employer portion of CPP, a cost that surprises most first-year self-employed filers when they see the number on their return.
- Business-use-of-home calculations. Whether you apportion by square footage or by room count changes your deduction meaningfully, and the method needs to be applied consistently and defensibly.
- Instalment obligations. Once your balance owing exceeds CRA’s threshold two years running, quarterly instalments become mandatory — missing them means instalment interest that’s entirely avoidable with proper planning.
- Incorporation timing. At some income level, deferring tax inside a corporation at the small business rate starts to outperform paying personal tax as you earn it — but this is a specific calculation based on your numbers, not a rule of thumb that applies at some arbitrary income level.
Why Self-Employed Filers Are Taxed Differently
The self-employed have exposure most T4 employees never think about — CPP’s double portion, mandatory instalments, and a much higher audit-trigger rate on expense claims specifically because the line between personal and business spending is blurrier without a formal payroll structure. It’s a structure with real advantages, but the compliance burden is genuinely different from a paycheque job.
Our Expertise
We regularly prepare T2125 filings and full year-end packages for self-employed clients across a range of trades and services, and we’ve walked numerous owners through the incorporation decision with an actual side-by-side tax projection rather than a rule of thumb — because the right answer depends entirely on your specific income level, expenses, and long-term goals.
Common Questions
I made under $30,000 this year — do I still need to register for HST? Not yet, but track your rolling four-quarter total of taxable supplies closely, since it’s easy to cross the threshold mid-year without noticing — and if you have any exempt income mixed in, that portion doesn’t count toward it.
At what income should I incorporate? There’s no single number — it depends on your expenses, your personal tax bracket, whether you need the income personally or can leave it in the corporation, and your long-term plans. This is worth modelling out with actual numbers rather than guessing.
Can I deduct my home internet and phone if I work from home? Yes, generally the business-use portion, calculated consistently — this is one of the most commonly under-claimed deductions for self-employed filers.
Ready When You Are
Self-employed doesn’t mean simple. If your T2125 has never actually been reviewed by someone who does this daily, that’s worth fixing before the next filing deadline, not after a CRA letter arrives.
Why choose Syed CPA
Contact Info
- +1 (647) 977 8977
- admin@syedcpa.ca
