Control, tools, integration, and economic reality: how the CRA determines your working relationship status in Canada
Whether you're a worker deciding how to structure your relationship with a client, or a business owner engaging contractors, the distinction between employee and independent contractor has enormous tax consequences in Canada. Misclassification can result in CRA reassessments covering years of unpaid CPP, EI premiums, and employer withholding obligations — plus penalties and interest.
The CRA uses a multi-factor analysis drawn from case law (most notably Wiebe Door Services Ltd. v. MNR and the Supreme Court's 671122 Ontario Ltd. v. Sagaz Industries decision) to determine worker status. No single factor is determinative — the CRA looks at the overall relationship. The four primary factors are:
This is often the most important factor. Control asks: who controls how, when, and where the work is done? An employer controls not just the result of the work but the manner in which it is performed.
Who provides the tools, equipment, and workspace needed to do the job? True independent contractors typically invest in their own tools.
Does the worker have a genuine entrepreneurial risk — can they profit from good management or lose money on a contract? Employees receive a fixed wage and bear no financial risk.
Is the worker's activity an integral part of the payer's business, or is the worker running their own independent business? The question is: whose business is it?
| Factor | Employee | Independent Contractor |
|---|---|---|
| Tax withholding | Employer deducts income tax, CPP, EI from each paycheque | Responsible for own taxes, CPP (both shares), no EI |
| CPP | Split 50/50 with employer (~5.95% each) | Pays both shares ~11.9% of net income |
| EI | Both worker and employer pay premiums | Not eligible for EI (cannot contribute or claim) |
| Expenses | Limited deductions (T2200 required) | Full business expense deductions on T2125 |
| GST/HST | Not applicable | Must register and collect once over $30K |
| Benefits | May receive health, dental, pension benefits | Must provide own benefits — cost deductible via PHSP |
| Vacation pay | Entitled under provincial employment standards | Must negotiate into contract pricing |
| Termination | Notice or severance required by law | Contract terms govern; no statutory notice |
| Tax form received | T4 slip | T4A slip (if paid >$500 by a Canadian payer) |
Since the 2009 Supreme Court of Canada case TBT Personnel Services, the parties' mutual intent has become an additional consideration — but it is not determinative on its own. Having a well-drafted independent contractor agreement that both parties sign is important because:
However, a contract calling someone an "independent contractor" does not override the actual facts of the relationship. If in practice the worker is controlled and integrated like an employee, the CRA will look through the label.
If there is genuine uncertainty about the status of a working relationship, either the worker or payer can request a ruling from the CRA by filing Form CPT1 (Request for a Ruling as to the Status of a Worker Under the Canada Pension Plan and/or the Employment Insurance Act). The CRA will review the facts and issue a ruling that is binding. This is useful for new, ongoing relationships where both parties want certainty before tax season.
Note that the CRA classification for tax purposes is separate from provincial employment standards classification. A worker might be an independent contractor for CRA/tax purposes but still be considered a "dependent contractor" entitled to reasonable notice of termination under provincial common law. The Ontario Superior Court, BC courts, and others have found dependent contractor status for long-term, economically dependent workers even where both parties intended an independent contractor relationship.
KOHO's business account helps Canadian contractors keep finances separate, track HST collected, and manage cash flow between contracts.