Where does the contractor vs employee question in Ontario actually create liability for a business? Most businesses do not set out to misclassify anyone. They make practical decisions that drift over time, until the label on the agreement no longer matches how the relationship really works.
This article explains how the distinction is decided, how misclassification develops, what it costs, and why the CRA and the courts can reach different answers. It also explains how to review your own contractor relationships before a dispute or audit forces the question.
Key Takeaways
- Whether someone is a contractor or an employee depends on how the relationship actually works, not on the label in the agreement.
- Misclassification usually develops gradually, as a contractor relationship drifts toward employment.
- If a contractor is found to be an employee, the business may owe ESA entitlements, CPP, EI, tax withholdings, WSIB premiums, penalties, and interest.
- Common law reasonable notice can add significant wrongful dismissal exposure on top of statutory amounts.
- The CRA, employment standards, and the courts apply related but different approaches, so the same relationship can be treated differently.
- Ontario courts recognize dependent contractors, who are not employees but may still be entitled to reasonable notice.
- Misclassification can also undermine IP ownership, restrictive covenants, and termination clauses.
Contractor vs Employee in Ontario: How the Distinction Is Decided

In Ontario, whether someone is a contractor or an employee is not decided by the label in their agreement. It is decided by how the relationship works in practice.
The central question, confirmed by the Supreme Court of Canada in 671122 Ontario Ltd. v. Sagaz Industries Canada Inc., is whether the person is performing services as a person in business on their own account.
To answer that question, courts and the CRA look at factors such as control over the work, ownership of tools, chance of profit and risk of loss, and integration into the business. No single factor is decisive. Our article on the CRA's test for contractors in Ontario explains each factor in detail.
The result is that a written contractor agreement can sit alongside what is, in substance, an employment relationship. The paperwork and the reality can point in different directions.
How Contractor Misclassification Develops Over Time
Misclassification rarely starts on day one. It usually develops gradually.
A business brings someone on as a contractor for flexibility, and pays them through invoices rather than payroll. The arrangement continues month after month, and nobody revisits the original terms.
Over time, the contractor works more regularly and their role becomes central to operations. They start taking direction the way employees do, and the business becomes their main source of income. The agreement stays the same, but the relationship has changed.
None of this usually involves a deliberate decision to cut corners. A founder might hire a contractor to help with overflow work, and two years later that person is effectively running a core function of the business while still invoicing monthly. The paperwork simply never caught up.
The Cost of Misclassifying an Employee as a Contractor
If a contractor is found to be an employee, the consequences are imposed based on how the relationship actually worked, for the entire period.

Employment Standards Entitlements
The business may owe unpaid entitlements under the Employment Standards Act, 2000, such as vacation pay, public holiday pay, overtime where it applies, and termination and severance pay.
CPP, EI, Tax, and WSIB
The CRA can assess unpaid Canada Pension Plan contributions, Employment Insurance premiums, and income tax withholdings that should have been deducted and remitted, along with penalties and interest. Once an audit begins, the review can reach back several years. If the business operates in an industry covered by WSIB, premiums may also be owed.
Wrongful Dismissal Exposure
If the relationship ends without proper notice, the worker may claim common law reasonable notice. That is often far greater than the statutory minimums, especially for long relationships. A contractor agreement will rarely contain a termination clause that limits this exposure.
Why the CRA and the Courts Can Reach Different Answers

The same relationship can be assessed in different settings, and the results do not always line up.
The CRA decides status for tax, CPP, and EI purposes. Employment standards officers and the courts decide status for employment law purposes, such as ESA entitlements and wrongful dismissal claims.
The core factors overlap, but employment legislation is generally interpreted broadly to protect workers, and the common law adds a category the CRA's framework does not.
As a result, a relationship can be accepted as a genuine contractor arrangement for tax purposes and still give rise to employment law obligations.
Dependent Contractors in Ontario
Ontario courts recognize a middle category between employee and independent contractor: the dependent contractor. In McKee v. Reid's Heritage Homes Ltd., the Ontario Court of Appeal confirmed that a dependent contractor is entitled to reasonable notice when the relationship ends.
A key sign of dependency is exclusivity. A worker who has worked mainly or exclusively for one business over a long period may be a dependent contractor, even if they are not an employee. This catches many businesses off guard, because they assume a contractor can be let go without notice.
When Misclassification Usually Surfaces
Most businesses discover the issue at a specific moment, rather than through ongoing monitoring.
A contractor relationship ends and the worker makes a claim. The CRA starts a review after an audit or a related filing. A financing round or an acquisition requires the business to confirm how its workers are classified.
At that point, the arrangement is examined against how it actually worked, often for the first time in years. If the two do not match, the exposure is immediate.
How Misclassification Affects IP, Non-Competes, and Termination Clauses
Misclassification spreads into other parts of the relationship too.
It affects who owns the IP when you use a contractor, since ownership rules differ for contractors and employees. It affects non-compete agreements in Ontario, which are generally void for employees signed on or after October 25, 2021. It also affects termination clauses in Ontario employment contracts, since a clause written for a contractor rarely meets the ESA.
A worker who is legally an employee may not be bound by terms that assume an independent relationship, whatever they signed.
How to Review Contractor vs Employee Status in Ontario

The right question is not how the relationship was set up at the start. It is whether the way it works today still supports that structure.
Look at the Day-to-Day Reality
Review who sets the hours and methods, whose equipment is used, who carries the financial risk, and how integrated the person is into your team. Emails, schedules, and invoices are better evidence than the original agreement.
Check for Exclusivity and Length of Service
A long, exclusive relationship increases the risk of employee or dependent contractor status, and with it, notice exposure.
Update the Documents or the Relationship
If the relationship still supports contractor status, make sure the agreement reflects it accurately, including an IP assignment. If it does not, consider converting the contractor to an employee, keeping in mind that conversion does not erase past exposure.
Reviewing how contractor relationships are documented from the start, as part of a broader review of your commercial contracts, is often the best way to catch this drift early.
When to Involve a Lawyer
The best time to involve a lawyer is before engaging a contractor, so the agreement and the working arrangement are set up to support genuine contractor status.
It is also worth getting advice when a contractor relationship has lasted several years or become exclusive, before ending a long-term contractor relationship, or when the CRA, a buyer, or an investor starts asking questions about classification.
The Bottom Line on Contractor vs Employee in Ontario
The contractor vs employee question in Ontario is decided by how the relationship actually works, not by what the agreement says. Most misclassification develops gradually, as relationships drift away from their original terms.
When it surfaces, the cost can include ESA entitlements, CPP, EI, tax, WSIB, penalties, interest, and reasonable notice. It can also undermine IP ownership, restrictive covenants, and termination clauses.
If your business relies on contractors, our team at Levine Law can help. We can review how those relationships actually work, assess your exposure, and update your agreements or structure before a claim, audit, or transaction forces the question.
Frequently Asked Questions
What is the difference between a contractor and an employee in Ontario?
The key question is whether the person is in business on their own account. Courts and the CRA look at how the relationship works in practice, including control over the work, ownership of tools, chance of profit and risk of loss, and integration into the business. The label in the agreement is not decisive. Our article on the CRA's test for contractors in Ontario explains each factor.
What happens if a business misclassifies an employee as a contractor?
The business may owe unpaid ESA entitlements, such as vacation pay, public holiday pay, and termination pay. The CRA can assess unpaid CPP, EI, and income tax withholdings, with penalties and interest, and WSIB premiums may also apply. If the relationship ends, the worker may claim common law reasonable notice, which is often much greater than the statutory minimums.
What is a dependent contractor in Ontario?
A dependent contractor is a worker who is not an employee but is economically dependent on one business, often because they have worked mainly or exclusively for it over a long period. In McKee v. Reid's Heritage Homes Ltd., the Ontario Court of Appeal confirmed that dependent contractors are entitled to reasonable notice when the relationship ends.
Can a worker be a contractor for the CRA but an employee in court?
Yes. The CRA decides status for tax, CPP, and EI purposes, while employment standards officers and courts decide status for employment law purposes. The factors overlap, but employment legislation is interpreted broadly to protect workers, and courts also recognize dependent contractors. A relationship accepted as a genuine contractor arrangement for tax purposes can still create notice or other employment obligations.
How can a business reduce its misclassification risk?
Review each contractor relationship against how it actually works, not just the original agreement. Look at control, equipment, financial risk, integration, exclusivity, and length of service. Where the relationship still supports contractor status, keep the agreement accurate and include an IP assignment. Where it does not, consider converting the contractor to an employee and getting advice on any past exposure.
