TL;DR
Deciding between a contractor and an employee is not just a cost calculation. CRA looks at the substance of the working relationship, not the contract title, and misclassifying an employee as a contractor can trigger significant tax exposure.
You need more capacity. Someone is going to join the team. And now you are wondering whether to bring them on as a contractor or an employee. Most business owners turn this into a cost question. The right way to think about it starts with a different question: what kind of work is this, and how much control do you need over how it gets done?
The cost comparison matters, but it is downstream of a more fundamental decision. And getting it wrong has real consequences, both with CRA and in how the working relationship actually functions.
What Owners Get Wrong and Why It Costs Money
The most common mistake is classifying someone as a contractor primarily to avoid payroll costs. Employer payroll burdens in Canada include CPP contributions, EI premiums, vacation pay, and sometimes benefits. These add roughly 10 to 20 percent to the cost of an employee on top of gross wages. The appeal of the contractor model is obvious.
The problem is that CRA does not care what you call the arrangement. They look at the substance of the relationship. If the person works exclusively for you, follows your schedule, uses your equipment, and does not take financial risk in the engagement, CRA is likely to view them as an employee regardless of the contract title. This is the worker classification risk, and it gets employers into expensive trouble.
If CRA reassesses a contractor relationship as employment, you owe the employer CPP and EI contributions you should have been remitting, potentially for multiple years, plus interest and penalties. These assessments can be significant and they come as a surprise because the business owner believed they were compliant.
The second mistake is treating this purely as a financial decision without thinking about what the role actually requires. Some work is genuinely better structured as a contractor engagement. Some work is genuinely employee work. The classification should follow the work, not the preferred cost structure.
The CFO Perspective
When I work through this decision with a client, I ask four questions before anything about cost comes up.
First, does this person set their own schedule and method, or do you direct when and how the work happens? Contractors control their own process. Employees are directed by the employer.
Second, is this person working for other clients at the same time? A genuine contractor usually has multiple clients. Exclusivity signals an employment relationship.
Third, does this person supply their own tools and equipment, or are they using yours? Contractors typically invest in their own tools and bear the cost of their own infrastructure.
Fourth, does this person take financial risk? A contractor can lose money on a project if it runs over. An employee is paid regardless.
If the answers point toward employee on all four questions, hiring a contractor is a compliance risk, not a cost savings. A trades business I worked with had been paying a full-time site supervisor as a contractor for two years. He worked exclusively for them, used their equipment, and worked their schedule. CRA assessed the owner for uncollected payroll remittances on an audit. The tax exposure was five figures. The cost savings they thought they were getting had been illusory the whole time.
When a Contractor Structure Makes Sense
Contractor arrangements work well for project-based work with a defined deliverable and timeline. A marketing agency hired for a launch campaign. A developer brought in to build a specific feature. A bookkeeper engaged for monthly close work who also has other clients.
They work well when the person brings a specialized skill you need occasionally but not continuously. They work well when the person genuinely controls their own process and you care about output, not schedule or method.
They work well for short-term capacity needs where you are not sure whether the volume justifies a permanent hire. Starting as a contractor engagement gives you a real look at the work and the person before committing to employment.
When an Employee Structure Makes Sense
If the role is ongoing, integrated into your operations, requires training and direction, and would realistically be filled by someone working primarily or exclusively for you, it is employee work.
Ongoing customer-facing roles, administrative roles, and roles where you need consistent availability and the ability to redirect the person's priorities day to day are employee roles. Trying to structure these as contractor arrangements creates compliance risk and often creates a worse working relationship because the person is not protected the way an employee is.
What to Do About It
- Before making the classification decision, use CRA's worker classification criteria. CRA has published guidance on distinguishing employees from self-employed contractors. The key factors are control, ownership of tools, chance of profit and risk of loss, and integration into the business. Score your proposed arrangement honestly against these criteria.
- If the relationship is genuinely ambiguous, consider whether the person operates through their own corporation. If they invoice your company as a business-to-business arrangement, the employment risk is generally lower. This does not eliminate all risk, but it changes the analysis. Ask your accountant.
- Do not rely on the contract alone to define the relationship. A contract that says "contractor" does not make the person a contractor. The actual working relationship defines the classification. Make sure the way the work happens in practice reflects the structure on paper.
- Compare the true all-in cost, not just base wages. For a contractor, the true cost is the hourly or project rate. For an employee, add CPP, EI, vacation pay, and any benefits. The gap is often smaller than expected, and the risk-adjusted cost of misclassification makes the employee option more attractive in many cases.
- If you are genuinely unsure, ask your accountant before you make the hire. A worker classification question is straightforward to get right before the relationship starts. It is expensive to fix after CRA has reviewed your payroll records.
The contractor-versus-employee question is not just a cost calculation. It is a compliance decision that carries real risk if you get it wrong. Make it based on the nature of the work, not the preferred invoice format. If you want help thinking through a specific hiring decision, book a free call at peterxiacpa.com/book.
Next step: run your numbers through the free CFO scorecard.
Frequently Asked Questions
- What are the penalties if CRA reassesses a contractor as an employee?
- If CRA determines a contractor was actually an employee, the employer owes the employer's share of CPP and EI contributions that should have been remitted, plus interest. Penalties may also apply. The assessment can cover multiple years if the relationship has been ongoing.
- Can I start someone as a contractor and convert them to an employee later?
- Yes, and this is a common and reasonable approach for new roles. Starting as a project-based contractor lets you assess the work and the person before committing to employment. Just make sure the initial contractor period reflects genuine contractor characteristics, not ongoing directed work.
- What is the Employer Health Tax and does it affect this decision?
- In Ontario and some other provinces, the Employer Health Tax applies to payroll above a certain threshold. It adds another layer to the total cost of employment beyond CPP and EI. The threshold and rate vary by province. This is one reason some employers underestimate the true cost of employees compared to contractors. Your accountant can calculate the full employer burden for your province.
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