Independent Contractor Agreement in Ontario: What You Need to Know

An independent contractor agreement Ontario businesses rely on can save money, add flexibility, and open access to specialized talent — but only if the relationship is structured correctly. Use the wrong label, skip the right clauses, or blur the line between contractor and employee, and you can find yourself on the wrong end of a CRA audit, an Employment Standards Act claim, or a human rights complaint. This article walks through what should be in a contractor agreement, how Ontario law distinguishes contractors from employees, why misclassification is so costly, and how to set your business up properly.

Contractor vs Employee: Why the Label Isn't Enough

Many business owners believe that signing an agreement calling someone a "contractor" settles the matter. It does not. Ontario courts and administrative bodies look at the substance of the relationship, not its title. Both the Canada Revenue Agency and the Ontario Labour Relations Board apply multi-factor tests, and a piece of paper saying "contractor" will not protect you if the reality of the arrangement looks like employment.

The Legal Tests Ontario Applies

No single factor is decisive. Courts and tribunals weigh several together:

Control test. Who decides how, when, and where the work is done? An employee typically follows the employer's direction on the manner of work. A true contractor controls their own methods and schedule.

Integration test. Is the person's work integral to your business operations, or are they providing a service that sits outside your core function? A full-time in-house graphic designer who attends all staff meetings looks integrated. A designer who takes your brief, works from their own studio, and invoices you per project does not.

Economic dependence. Does the person work exclusively or almost exclusively for you? Can they profit from their own efficiencies, or do they only receive a fixed rate? True contractors typically take on multiple clients and bear their own business risk.

Tools and equipment. Who supplies the laptop, software licences, vehicle, or workspace? Employees generally use employer-provided tools; contractors supply their own.

Chance of profit / risk of loss. A contractor bids jobs, absorbs overruns, and keeps the upside when they work efficiently. An employee earns a set wage regardless of project cost.

Ontario courts have also developed the "entrepreneurial test": does the person present themselves to the market as an independent business? A worker with their own registered business name, a separate client list, and professional liability insurance is more credibly a contractor.

What an Independent Contractor Agreement Should Include

Even where the relationship genuinely qualifies as an independent contractor arrangement, a well-drafted agreement reduces disputes and provides evidence of the parties' intentions.

Core Clauses

Scope of services. Define deliverables precisely. Vague scope leads to scope creep and disagreements about who bears the cost of extra work.

Payment terms. Specify the fee structure (hourly, fixed-project, retainer), invoicing schedule, and what expenses, if any, you will reimburse. Require the contractor to invoice you — employees don't send invoices.

Term and termination. Unlike employees, contractors generally have no right to reasonable notice under the Employment Standards Act if the contract is silent. Spell out notice periods for both parties, or structure the engagement around project completion milestones.

No exclusivity (if that's the intent). If the contractor can work for others, say so. If you want exclusivity during the engagement, say that too — but recognize that exclusivity pushes the relationship toward employment.

Confidentiality. Contractors often see sensitive business information. A clear confidentiality obligation — with a reasonable duration after the engagement ends — protects your trade secrets.

IP ownership. This is critical and is addressed in our companion article on IP assignment clauses. The default rule under Canadian copyright law does not automatically give you ownership of work a contractor creates. You need an express assignment clause.

Independent contractor declaration. Include a clause confirming the contractor is responsible for their own taxes, CPP contributions, and any required business licences. This is not conclusive, but it is useful evidence.

Governing law. Specify Ontario law and, if you prefer, a dispute resolution mechanism.

The Risks of Misclassification

Misclassifying an employee as a contractor creates liability across multiple fronts simultaneously.

CRA payroll audit. The CRA can reassess years of payroll. You may owe unremitted CPP contributions (employer and employee share), EI premiums, and income tax withholdings — plus interest and penalties. The numbers add up quickly.

Employment Standards Act claims. If a court or the Ministry of Labour finds the person was an employee, they become entitled to minimum wage, overtime pay, vacation pay, public holiday pay, and termination notice or pay in lieu. These entitlements cannot be contracted out of.

Human Rights Code. Employees are protected from discrimination; independent contractors are not covered to the same extent. Misclassification can expose you to claims you thought were off the table.

Common-law reasonable notice. Even beyond the ESA, a long-term contractor who is found to be an employee may claim common-law reasonable notice, which can be substantial for senior workers with years of service.

HST Obligations for Ontario Contractors

If a contractor's revenue from taxable supplies exceeds the small-supplier threshold (as of writing — verify current amounts with the CRA), they are required to register for HST, charge it on their invoices, and remit it. As the business engaging the contractor, you should confirm they are HST-registered and get their Business Number. Paying an invoice that should have included HST, and failing to get it corrected, can create complications on your input tax credit claims.

Employees, by contrast, do not charge HST on wages. An invoice with no HST from a worker who should be a contractor may signal that the contractor is not complying — or that they are, in substance, an employee.

Structuring the Relationship Properly

The most effective protection is making the relationship genuinely contractor-like from the start:

• Let the contractor set their hours and work location wherever possible.
• Do not require them to attend internal staff meetings as a condition of payment.
• Avoid providing company email addresses or business cards.
• Require them to use their own equipment and pay for their own software licences.
• Allow them to take on other clients.
• Pay on invoice, not on a payroll cycle.
• Review the arrangement periodically — a relationship that starts as a true contractor arrangement can drift into employment over time.

Frequently asked questions