CRA Personal Services Business (PSB) Reclassification: How to Defend

A personal services business (PSB) reclassification is one of the most expensive things the CRA can do to a small corporation. The CRA examines how the incorporated individual works for their clients and concludes that, without the corporation, the individual would be an employee of the client. The corporation is then treated as a PSB under ITA 125(7), which strips the small business deduction, denies most expense deductions, and applies a combined federal-provincial tax rate that can exceed 44%. The difference between the small business rate (~12%) and the PSB rate (~44%) on $200,000 of income is roughly $64,000 per year. When the CRA reassesses multiple years, the total hit (plus penalties and interest) can be devastating. This page covers what PSB means, how the CRA makes its determination, and how to defend against it.

What makes a corporation a personal services business?

Under ITA 125(7), a PSB exists when:

1. The incorporated individual (or a related person) is a “specified shareholder” of the corporation (owns 10% or more of any class of shares).
2. The incorporated individual provides services to an entity (the “client”) through the corporation.
3. The incorporated individual would reasonably be regarded as an officer or employee of the client, if not for the existence of the corporation.

The third element is the battleground. The CRA applies the same factors that courts use for the employee-vs-contractor distinction, drawn from the Supreme Court of Canada’s framework in 671122 Ontario Ltd v. Sagaz Industries Canada Inc. (2001 SCC 59) and the Federal Court of Appeal’s tax-specific analysis in Wiebe Door Services Ltd v. MNR (1986 FCA).

There is one statutory exception: the corporation is not a PSB if it employs more than five full-time employees throughout the year. If your corporation has six or more full-time staff, the PSB rules do not apply regardless of the working relationship.

What factors does the CRA evaluate?

The CRA examines the same factors that distinguish an employee from an independent contractor:

Control. Does the client control how, when, and where the work is done? An employee is told what to do and how to do it. An independent contractor is told what result is needed and decides how to deliver it. If the client sets your hours, assigns your workspace, requires attendance at meetings, and supervises your methods, the relationship looks like employment.

Ownership of tools and equipment. Does the incorporated individual provide their own tools, equipment, software, and workspace? An employee uses the employer’s equipment. An independent contractor provides their own. If you use the client’s office, the client’s computer, the client’s software licenses, and the client’s email address, the relationship looks like employment.

Chance of profit and risk of loss. Can the incorporated individual earn more by working efficiently or managing costs, and can they lose money on a project? An employee earns a fixed salary regardless of efficiency. An independent contractor can profit from efficiency and bears the risk of cost overruns, bad debts, or project failure. A fixed hourly rate paid for hours worked, with no project-based risk, looks like employment.

Integration. Is the work an integral part of the client’s business, or is it an external service? If the incorporated individual performs work that is central to the client’s operations (a software developer at a software company, a consultant delivering the consulting firm’s projects), the integration factor favors employment. If the work is peripheral (an IT consultant maintaining the office network at a law firm), it favors contractor status.

Intent. What did the parties intend? A written contract stating the relationship is a contractor engagement is relevant but not determinative. The CRA looks at what actually happens, not just what the contract says. A contract that says “independent contractor” but describes an employment relationship will not save you.

Exclusivity. Does the incorporated individual work for only one client? Exclusivity strongly suggests employment. An independent contractor typically has (or is free to have) multiple clients simultaneously. Working for a single client for years, full-time, with no other clients, is one of the strongest indicators of a PSB.

No single factor is decisive. The CRA and the courts weigh all factors together and make a judgment about the overall nature of the relationship.

What is the tax hit of PSB classification?

The PSB tax consequences are severe:

Loss of the small business deduction. The small business deduction reduces the federal corporate tax rate on active business income to 9% (combined with provincial rates, typically 11-12.5% total). A PSB is explicitly excluded from the small business deduction. The corporation pays federal tax at 28% plus a 5% additional tax under ITA 123.5, totaling 33% federal. With provincial tax, the combined rate is typically 44-45%.

Restricted expense deductions. Under ITA 18(1)(p), a PSB can only deduct: salary, wages, and benefits paid to the incorporated employee; and expenses incurred for selling property or negotiating contracts on behalf of the client. Normal business deductions (rent, vehicle, insurance, professional development, phone, internet, travel, office supplies) are denied. This means the full gross revenue is taxed at the elevated rate, with only the salary paid to the owner as a deduction.

Refundable tax consequences. A PSB does not generate refundable dividend tax on hand (RDTOH) in the way that investment income does, but the interaction between the high corporate rate and the personal tax on dividends can create effective double taxation rates that exceed what the individual would pay if they had simply earned the income personally without a corporation.

The combined effect: incorporating was supposed to save tax. With PSB classification, it costs more tax than if the individual had been employed directly by the client without any corporation.

How do I defend against reclassification?

The defense is entirely fact-based. You need to demonstrate that the working relationship has enough contractor characteristics to defeat the PSB finding.

Document the relationship from the start. A well-drafted services agreement that reflects the actual working arrangement is the foundation. The contract should specify: deliverables (not hours), the right to subcontract, the ability to work from any location, the contractor’s responsibility for tools and equipment, the ability to serve other clients, and the absence of client direction over methods.

Have multiple clients. This is the single strongest factor. If your corporation has invoiced three or more clients in a year, the PSB argument is much harder for the CRA to sustain. Even having one secondary client (10-20% of revenue) materially weakens the CRA’s case.

Provide your own tools. Use your own computer, your own software licenses, your own office space. If you work at the client’s site, use your own equipment there. Document the ownership (receipts, license keys, asset list).

Control your own schedule. Set your own hours, decline meetings that do not serve the project, work from locations of your choosing. If you work 9-5 at the client’s office every day, that looks like employment regardless of what the contract says.

Take project-based risk. Fixed-fee projects (where you profit from efficiency and lose from cost overruns) are stronger evidence of contractor status than hourly billing. If you bill hourly, at minimum ensure the corporation bears the risk of unbillable time, rework, and warranty obligations.

Exercise the right to subcontract. If the contract allows subcontracting and you actually subcontract some work, that demonstrates you are operating as a business, not as an employee.

What if the CRA has already reassessed?

If you receive a reassessment reclassifying your corporation as a PSB:

1. Check the limitation period. The CRA can reassess within the normal reassessment period (three years from the original assessment for most corporations, four years if the corporation claimed SR&ED or investment tax credits). If the CRA alleges misrepresentation, it can reassess beyond the normal period.

2. File a notice of objection. The 90-day deadline applies. File the objection immediately to preserve your rights and suspend collection on the disputed amount.

3. Gather evidence of the contractor relationship. Contracts, invoices from multiple clients, proof of tool ownership, correspondence showing you controlled the work methods, evidence of subcontracting, anything showing project-based risk. The defense is won or lost on contemporaneous documentation.

4. Consider whether the five-employee exception applies. If the corporation employed five or more full-time employees during any relevant year, the PSB rules do not apply for that year.

5. Prepare for Tax Court if the objection fails. PSB reclassifications are frequently litigated, and the Tax Court has overturned CRA determinations in cases where the facts supported contractor status. The CRA’s position is not automatically upheld.

How does this affect cross-border structures?

For US residents who are directors or shareholders of Canadian corporations providing services to Canadian clients, the PSB risk has a cross-border dimension:

US-resident consultants. A US resident who incorporates in Canada and provides consulting services to a single Canadian company faces the same PSB analysis. The fact that the individual lives in the US does not change the Canadian tax treatment of the corporation’s income.

Treaty considerations. If the PSB reclassification means the individual is treated as an employee of the Canadian client for tax purposes, the treaty’s employment income provisions (Article XV) may affect whether Canada can tax the income. If the individual performs the work from the US, Article XV may limit Canada’s taxing right, but this interacts with the corporate structure in complex ways.

Director’s liability. If the PSB corporation fails to pay the additional tax resulting from reclassification, the directors (including any US-resident director) face personal liability under section 227.1 for unremitted source deductions, and general tax debt collection can proceed against the directors through treaty collection mechanisms.

What should I do next?

If you operate through a corporation and provide services primarily to one client: evaluate the working relationship against the five factors. If the relationship looks like employment (client controls your work, you use their tools, you have no other clients, you bill hourly with no project risk), the PSB risk is real. Consider restructuring the relationship before the CRA audits. If the CRA has already reassessed, file the notice of objection within 90 days and prepare the factual defense.

This guide is general information, not tax advice for your specific situation. Which points apply, and how, depends on your facts.