An incorporated consultant who has filed correctly for a decade, claimed the small business deduction each year, and deducted the ordinary costs of running a business, may be carrying an exposure that no line on their return discloses and no filing error would reveal.

Key Takeaway

Subsection 125(7) of the Income Tax Act defines a personal services business as a business of providing services where the individual performing them, or a person related to them, is a specified shareholder, and that individual would reasonably be regarded as an officer or employee of the client but for the existence of the corporation, unless the corporation employs more than five full-time employees throughout the year or is paid by an associated corporation. The consequences are cumulative: no small business deduction, no general rate reduction, an additional five percent tax, and under paragraph 18(1)(p) the denial of essentially all deductions except salary to the incorporated employee and expenses an employee could have claimed. In Ontario the difference between a small business rate of 12.2 percent and a personal services business rate of 44.5 percent is 32.3 percentage points, and both figures check out arithmetically. CRA has been contacting businesses that hire such corporations, which is the payer side rather than the contractor side.

A Note On Currency

Everything here is stated as verified in August 2026 and requires confirmation before reliance. Corporate tax rates in particular change with each federal and provincial budget, and the combined figures below are computed from component rates that a reader should verify for their own year and province.

The statutory definition is quoted from the published consolidation. The rate calculations are our own and we show the components so they can be checked.

One editorial note. This is an area where professional summaries frequently paraphrase the statutory test in ways that shift its meaning, and we identify one such instance below. Readers should work from the provision itself rather than from any summary, including this one.

This is not tax or legal advice. Whether a particular arrangement falls within the definition is a fact-specific question, and the consequences of getting it wrong are large enough that professional advice is warranted before rather than after.

The Arithmetic

The stakes, stated first because they explain why the rest of the article matters.

One professional publication states the position for Ontario: a Canadian-controlled private corporation whose income is eligible for the small business deduction would pay 12.2 percent in combined federal and Ontario corporate tax, while a personal services business would pay 44.5 percent[1].

We computed both figures independently and both are correct on the component rates.

The small business figure is the federal small business rate of 9 percent plus the Ontario small business rate of 3.2 percent, giving 12.2 percent.

The personal services business figure builds up differently. The federal general rate is 38 percent less the 10 percent federal abatement, giving 28 percent. A personal services business does not receive the general rate reduction of 13 percent that an ordinary corporation would apply, so it remains at 28 percent, and the additional 5 percent tax brings the federal component to 33 percent. Adding the Ontario general rate of 11.5 percent gives 44.5 percent.

The gap is 32.3 percentage points, and the personal services business rate is roughly 3.65 times the small business rate. For context, an ordinary corporation earning general active business income in Ontario, receiving the general rate reduction and paying no additional tax, would be at 26.5 percent.

So a personal services business pays materially more than an ordinary corporation on general income, not merely more than a small business. That is the point of the provision: it is designed to remove the advantage of incorporation entirely, and then some.

The Definition, Precisely

The statutory text, because the elements matter individually.

Subsection 125(7) defines a personal services business by reference to a business of providing services carried on by a corporation where either an individual who performs services on behalf of the corporation, referred to in that definition and in paragraph 18(1)(p) as an incorporated employee, or any person related to the incorporated employee, is a specified shareholder of the corporation, and the incorporated employee would reasonably be regarded as an officer or employee of the person or partnership to whom or to which the services were provided but for the existence of the corporation, unless the corporation employs in the business throughout the year more than five full-time employees, or the amount paid or payable to the corporation in the year for the services is received or receivable by it from a corporation with which it was associated in the year[2].

That is one sentence containing five distinct tests, and each of the following sections addresses one.

Note the structure before the detail. The first part describes when the definition applies; the two clauses introduced by unless describe when it does not.

The exceptions are therefore doing a great deal of work, and they are the only reliable route out for a corporation that otherwise meets the description.

One practitioner source characterises the definition as very expansive and difficult to circumvent[3], which is a fair reading of it.

Officer Or Employee

Two words in the central test that many summaries omit.

The statutory test is whether the incorporated employee would reasonably be regarded as an officer or employee of the person or partnership to whom the services were provided, but for the existence of the corporation[2].

Most professional summaries render this as whether the individual would be regarded as an employee, dropping the reference to an officer[1][4].

That omission is usually harmless and occasionally is not, and this is our own analysis.

A person can hold an office without being an employee in the ordinary sense. Directors, and holders of positions created by statute or by a corporation's constating documents, occupy offices.

So an arrangement in which an individual provides services through a corporation to a client whose board or officer positions that individual also occupies raises a question that an employee-only reading of the test would not surface.

We would not overstate the frequency of that fact pattern. The point is narrower: a taxpayer whose advisor has assessed the arrangement solely against the employee tests has assessed it against part of the provision.

The Specified Shareholder Element

The ownership test, which is a threshold rather than a control question.

Sources describe a specified shareholder as a person who holds at least 10 percent of the issued shares of any class of the capital stock of the corporation[4][1].

We report that description as given by professional sources and note we did not verify the full statutory definition of the term, which sits elsewhere in the Act and contains its own attribution rules.

Two features are worth drawing out for an incorporated contractor.

Ten percent is low. This is not a test that catches only sole shareholders; a minority participant in a professional corporation can meet it comfortably.

And the test refers to any class. A person holding a small number of shares of a separate class, perhaps created for a dividend-sprinkling purpose in an earlier era, may be a specified shareholder in respect of that class even though their economic participation is modest.

Anyone who has restructured share capital over the years should have the current register checked against this threshold rather than assuming the position is what it was at incorporation.

Putting Shares In A Spouse's Name

The planning idea that does not work, and the reason is in the drafting.

One practitioner source makes the point directly: an incorporated employee provides services on behalf of the corporation, and there is no requirement of share ownership by that individual. If an incorporated employee provides services, even where the shares are owned by another person related to them, the corporation is still within the definition. So even if the shares are owned by, for example, a spouse, while the services are performed by the incorporated employee, the corporation is a personal services business[3].

That reading follows from the statutory language, which contemplates that either the individual performing the services or any person related to that individual is a specified shareholder[2].

The provision was evidently drafted with this avoidance route in mind, and closed it at the outset.

The practical implication is that separating the service provider from the shareholder does not assist where the two are related, and a structure designed on that basis provides no protection.

It also means the analysis cannot stop at the shareholder register. Identifying who performs the services, and their relationship to the shareholders, is the necessary first step.

More Than Five, Not Five Or More

The exception most commonly relied on, and the precision it requires.

The statute excepts a corporation that employs in the business throughout the year more than five full-time employees[2].

More than five means six. A corporation with exactly five full-time employees does not meet the exception and remains within the definition if the other elements are present.

That distinction is not pedantry. It is the difference between a 12.2 percent rate and a 44.5 percent rate for a corporation sitting at the boundary, and the boundary is exactly where a growing consultancy will find itself.

Sources describing the exception consistently use the statutory formulation of more than five[1][5][6][4], and a reader should treat any summary using different wording with caution for the reason set out in the next section.

A Common Misstatement Worth Correcting

An instance of paraphrase changing meaning, offered without criticism of the source but with a clear correction.

One professional publication lists among the criteria that "the corporation employs less than 5 employees"[7].

Read literally against the statute, that is not the test, and the difference matters at the margin.

The provision excepts a corporation employing more than five. A corporation is therefore within the definition where it employs five or fewer, which includes a corporation employing exactly five.

A summary stating that the definition applies where the corporation employs fewer than five would imply that a corporation with exactly five falls outside it, which is the opposite of the statutory result.

We note this not to fault a publication that is otherwise sound and that states the surrounding law correctly, but to illustrate a general point that applies to this article as much as any other: in a provision where a single number carries a 32-point rate difference, the paraphrase is not safe and the text is.

The same caution applies to the omission of full-time. The exception counts full-time employees, and a headcount including part-time staff is not the same measure, subject to the point immediately below.

Five Plus One

An interpretation of the threshold that appears in the case law and is worth knowing.

One law firm publication states that the more than five criterion is satisfied by five full-time employees plus a part-time employee, citing a Tax Court decision[1].

We report that as stated. The citation given is to a commercial reporter service rather than a neutral citation, we have not read the decision, and a taxpayer intending to rely on this proposition should have counsel review the authority and confirm it remains good law.

If accurate, the interpretation is significant for a corporation near the boundary, because it means the sixth person need not be full-time.

We would nonetheless counsel against building a structure to sit precisely on that line, and this is our own view.

A corporation relying on the exception must satisfy it throughout the year, as discussed next. An arrangement whose compliance depends on one part-time employee remaining employed continuously is fragile in a way that a corporation with eight staff is not.

And an arrangement adopted visibly for the purpose of clearing a statutory threshold invites scrutiny of whether the additional employees are genuinely employed in the business.

Throughout The Year

Two words that convert a headcount into a continuity requirement.

The exception applies where the corporation employs in the business throughout the year more than five full-time employees[2].

That is not an average, a year-end count, or a majority of the year. On its face it requires the condition to hold for the whole taxation year.

The practical consequences are our own analysis and they are unforgiving.

A corporation with six full-time employees that loses one in March and replaces them in May has a gap. Whether that gap defeats the exception for the entire year is a question a taxpayer would rather not be arguing.

A corporation formed part way through a year, or one whose staffing built up over its first months, has a period at the start during which the condition was not met.

And seasonal patterns, common in several of the sectors where these rules bite, sit awkwardly with a continuity test.

The management implication is that a corporation relying on this exception should monitor the position continuously rather than establishing it once, and should keep payroll records capable of demonstrating the count on any given day of the year rather than at period ends.

The Associated Corporation Exception

The second route out, which is narrower than it first appears.

The definition does not apply where the amount paid or payable to the corporation in the year for the services is received or receivable by it from a corporation with which it was associated in the year[2].

The exception addresses intra-group service arrangements. Where a corporation provides services to an associated corporation, the arrangement is not the mischief the provision targets, because there is no third-party client in respect of whom an employment relationship could be posited.

Two limits are worth noting and are our own reading.

The exception attaches to the amount received from the associated corporation. A corporation earning fees from both an associated corporation and an unrelated client is not wholly protected by this clause in respect of the unrelated fees.

And association is a defined concept with its own extensive rules, which one source describes as complex and subject to numerous interpretative cases[8]. Whether two corporations are associated is not a matter of impression.

A taxpayer relying on this exception should have the association tested formally rather than assumed from common ownership.

The Deduction Denial

The consequence that frequently exceeds the rate difference, and which taxpayers discover late.

Sources describe the effect of paragraph 18(1)(p) as restricting a personal services business to deducting the salary and wages paid to the incorporated employee, together with expenses that the worker would have been allowed to deduct on their personal return had they been an employee under a standard employment contract, with other expenses incurred by the business denied even if they were necessary to earn income[1].

Another source lists what falls away: office supplies, automobile costs, advertising and the like[5]. A third states simply that corporations with such income cannot deduct all the expenses otherwise allowed to a Canadian-controlled private corporation[3].

The phrase to sit with is even if they were necessary to earn income, and this is our own emphasis.

The ordinary architecture of business taxation permits deduction of expenses incurred to earn income. This provision suspends that principle for a defined category of corporation, which is why the outcome is punitive rather than merely unfavourable.

The measure of what remains deductible is instructive too. It is the employee's deduction entitlement, which in Canadian tax is famously narrow. A corporation reduced to that measure is being taxed approximately as though the incorporation had not occurred, but at corporate rates without the corporate deductions.

For a consultant whose corporation carries real operating costs, home office, equipment, professional development, insurance, subcontracted help, the denial can produce a larger adjustment than the rate change does.

The Payroll Layer

A third consequence that sits outside the income tax calculation.

One law firm publication lists among the consequences the imposition of Canada Pension Plan and Employment Insurance withholding and payment obligations on the remuneration paid to the incorporated employee[1].

We report that as stated by that source and note the underlying obligations arise under the Canada Pension Plan and the Employment Insurance Act rather than the Income Tax Act, so their application should be confirmed separately.

The point for a reader is that the exposure is not confined to one statute or one assessment, which is a theme running through every article in this series.

An arrangement recharacterised for income tax purposes frequently attracts consequences under the source deduction regime as well, and those carry their own penalties, their own interest, and in some circumstances director liability.

This publication treats director liability for source deductions separately, and the connection to note here is simply that a personal services business finding is unlikely to arrive alone.

CRA Is Contacting The Payers

The current enforcement posture, and the most immediately actionable item in this article.

A professional publication dated May 2026 reports that CRA recently began contacting companies that might be hiring personal services businesses[1].

We report that as stated by a professional accounting firm and could not locate a corresponding CRA publication describing the project, so a reader should treat the characterisation as a practitioner observation rather than an announced programme.

If accurate, the direction of travel is the notable part. The provision assesses the contractor's corporation, but the Agency is approaching the client.

Another source records the same trend from the other end, observing that scrutiny of these rules is becoming a focus point for CRA as more individuals use corporations to carry on consulting-type businesses, and noting that the client sometimes prefers to contract with a company rather than directly with the consultant[7].

That last observation matters, because it identifies the client as a party with its own reasons for wanting the corporate structure, and therefore as a party with knowledge of why the arrangement exists.

Why The Payer Side Changes Everything

The mechanism, and our own analysis of why contacting clients is an efficient strategy.

A client business engaging incorporated contractors holds, in the ordinary course, exactly the evidence the statutory test requires.

It holds the contracts, which describe control, exclusivity, term and termination. It holds records of where the work was performed, on whose equipment, under whose supervision, and on what schedule. It holds the internal documents that describe the role, which frequently read as job descriptions because that is what they are. And it holds the organisation charts.

The test asks whether the individual would reasonably be regarded as an officer or employee of the client but for the corporation[2]. That question is answered substantially by the client's own records, not the contractor's.

There is also an efficiency point. One client engaging thirty incorporated contractors is a single point of contact yielding thirty files, with the relationships documented consistently because one organisation created the documents.

The contractor, by contrast, holds their own invoices and little else bearing on the question.

The practical consequence for an incorporated contractor is uncomfortable and worth stating plainly. The most important evidence about your tax position is held by someone else, was created for their purposes, and you have never seen it.

And the client has no particular incentive to characterise the arrangement in the contractor's favour, especially where the client faces its own exposure on worker status.

The Sectors On The Radar

Where the rules bite hardest, per practitioner observation.

One source states that the transportation industry, and long-haul trucking in particular, seems to be full of incorporated employees, describing arrangements in which transportation businesses push drivers to incorporate rather than hiring them, with motivations including avoiding payroll contributions, overtime, meal and vacation pay. It states that this industry is very much on CRA's radar, and identifies the information technology sector as another with a tendency to hire contractors as corporations rather than employees[3].

We report those characterisations as one practitioner's observations rather than as CRA statements.

The motivations listed are worth noting because they cut against the arrangement, and this is our own analysis.

Where a client's reason for requiring incorporation is to avoid obligations that attach to employment, the client has documented a view that the relationship would otherwise be employment. That is close to an admission on the very question the statutory test poses.

The driver who was told to incorporate as a condition of getting work is in a particularly difficult position: they did not choose the structure, they bear its tax consequences, and the party that imposed it holds the evidence.

The same shape appears across sectors this series will address later, including staffing, courier and delivery work, and professional services.

The Test Underneath

The relationship between these rules and the ordinary worker status analysis.

The statutory question is whether the incorporated employee would reasonably be regarded as an officer or employee of the client but for the existence of the corporation[2]. Answering it requires applying the ordinary tests that distinguish employment from independent contracting.

This publication treats those tests separately and we do not restate them here.

Two observations about the interaction belong in this article, and both are our own.

First, the corporation is instructed to be ignored. The test proceeds but for the existence of the corporation, so the fact that a corporation exists, invoices, and holds insurance is expressly removed from the analysis. Arguments resting on the formality of the corporate arrangement therefore do not engage the test at all.

Second, this creates an asymmetry with the ordinary status analysis that taxpayers find counterintuitive. In a direct engagement, the parties' intention and the formal arrangement carry weight. Here, one of the principal formal features is legislatively disregarded.

What remains is the substance: who controls the work, who supplies the tools, whether the worker can profit or lose, whether they can subcontract, whether they work for others, and how integrated they are into the client's organisation.

A contractor with one client, working that client's hours on that client's premises with that client's equipment for several years, is in difficulty on those factors regardless of what any agreement says.

The Retroactivity Problem

Why this exposure behaves differently from most, and our own analysis of its shape.

Nothing about a personal services business finding is prospective in the way a change of practice would be. The determination applies to the years under examination.

That produces a compounding structure a taxpayer should understand before it arrives.

The rate difference applies to each reassessed year. The deduction denial applies to each reassessed year, against expenses long since incurred and frequently no longer documented to the standard a contested assessment demands. Interest runs from the original balance due dates. And the arrangement, if unchanged, continues to accrue exposure while the matter is argued.

The last point is the one within the taxpayer's control and the one most often missed. A contractor who becomes aware of a real risk faces a decision about the current year that is separate from the dispute about prior years.

There is a further asymmetry. The corporation was taxed at small business rates and the shareholder took dividends on that basis. A reassessment increases the corporate tax without automatically unwinding the personal treatment, so the integration that the rate structure assumes does not hold, and the combined burden can exceed what a straightforward employment arrangement would have produced.

We would not attempt to quantify that here because it depends on the distribution history, and it is the question to put to an advisor.

What The Auditor Actually Examines

The enquiry in practice. This section is our own analysis, structured by the statutory elements rather than drawn from a single source.

The client list. How many clients, over what period, and the concentration. A single client for an extended period is the strongest indicator, and the number of clients is the first question because it is answerable from the corporation's own revenue records.

The contract. Term, notice, exclusivity, restrictions on working for others, whether a named individual must perform the work, and whether substitution is permitted. A right of substitution that has never been exercised is weaker evidence than one that has.

The working arrangement in fact. Premises, equipment, hours, supervision, reporting lines, and whether the individual appears in the client's directories, systems and organisation charts.

The share register. Who holds what, in which classes, and their relationships, tested against the specified shareholder threshold.

Payroll records. Full-time headcount, tested for continuity throughout each year rather than at year end.

The expense claims. Both because they are denied if the finding is made, and because their character is evidence. A corporation deducting the costs of genuinely independent operation looks different from one whose only real expense is remuneration to its owner.

That last point is worth dwelling on, because it runs in the taxpayer's favour. Real business infrastructure, staff, premises, marketing, other clients, is evidence of a business rather than an employment relationship, and it is the kind of evidence that accumulates naturally when the business is genuine.

What Records Survive

The documentation position for an incorporated contractor, and it differs from the other sectors in this series because the question is the nature of a relationship.

Evidence of multiple clients, retained deliberately. Proposals sent and lost, engagement letters that did not proceed, marketing activity. These evidence a business open to the market and are routinely discarded because they produced no revenue.

The corporation's own business infrastructure. Insurance in the corporation's name, a business bank account, professional memberships, a website, equipment purchases, and any staff or subcontractors.

Contracts that reflect reality. An agreement describing autonomy the parties do not observe is worse than no agreement, because it invites a finding that the documents were arranged rather than descriptive.

Records of financial risk actually borne. Fixed-price work, rework performed at the corporation's cost, bad debts, and periods without engagement. Risk of loss is among the strongest indicators of independence and is provable only if recorded.

Payroll continuity records where the more than five exception is relied on, capable of showing the count throughout the year.

A copy of the client-side documentation you can obtain. Statements of work, purchase orders and vendor onboarding materials. Given that the client holds the decisive evidence, holding your own copy of what you can is prudent.

The Advance Ruling Option

A route worth knowing about, with its limits.

One practitioner source advises that where a taxpayer is dealing with this area alone, it is better to seek an advance income tax ruling from CRA[3].

We report that recommendation and would qualify it, and this is our own view.

An advance ruling provides certainty in a matter where the consequences of being wrong are severe and where the test is evaluative rather than mechanical, which is a strong argument in its favour.

Against that, the process has costs and timelines that may not suit a small consulting corporation, rulings are given on stated facts so the protection extends only as far as the facts as presented remain accurate, and a ruling application requires disclosing the arrangement in detail.

For most incorporated contractors the proportionate step is a considered opinion from their own advisor on the specific facts, obtained before the structure is entrenched, with a ruling reserved for arrangements where the amounts justify it.

The general principle we would leave a reader with is that this is not a matter to resolve by reading, including by reading this article. The test is applied to facts by people who will not have been told your version of them first.

What To Do

Count your clients honestly. A single client over an extended period is the central risk factor and it is visible in your own revenue records before anyone asks.

Work from the statutory text, not a summary. One number in this provision carries a 32-point rate difference, and published paraphrases vary in ways that change the test.

Know that more than five means six. A corporation with exactly five full-time employees does not meet the exception.

Test the exception throughout the year, not at year end. The statute requires continuity, and a staffing gap is a gap.

Do not rely on putting shares in a relative's name. The definition expressly contemplates a related person being the specified shareholder.

Check the share register against ten percent of any class. Historic reorganisations create positions people have forgotten.

Understand that the corporation is disregarded by the test. Arguments resting on corporate formality do not engage a provision that reads but for the existence of the corporation.

Build and keep evidence of genuine business risk. Fixed-price work, rework at your cost, bad debts, unsuccessful proposals. It is the strongest evidence and the least likely to be retained.

Remember who holds the decisive records. Your client's contracts, org charts and systems answer the statutory question, and CRA has reportedly been approaching that side.

Address the current year separately from any dispute about past ones. Exposure continues to accrue while a prior-year position is argued.

The Limits Of This Analysis

Several caveats matter. This is not tax or legal advice; whether an arrangement falls within the definition is fact-specific and the consequences warrant professional advice in advance. The statutory definition is quoted from the published consolidation as verified in August 2026 and provisions are amended. The rate calculations are our own from component federal and provincial rates for Ontario; rates change with each budget and differ by province, and readers should verify for their own year and jurisdiction. We did not verify the full statutory definition of specified shareholder, which contains its own attribution rules, and have reported the ten percent threshold as professional sources describe it. The reported Tax Court interpretation that five full-time employees plus a part-time employee satisfies the threshold is cited to a commercial reporter rather than a neutral citation, we have not read the decision, and it should be confirmed as good law before reliance. The description of paragraph 18(1)(p) is drawn from professional summaries rather than from the provision itself. The payroll consequences are reported as one source describes them and arise under separate statutes whose application should be confirmed. The report that CRA has begun contacting businesses hiring such corporations comes from a professional publication and we could not locate a corresponding CRA publication; it should be treated as a practitioner observation. Sector characterisations are one practitioner's observations, not CRA statements. The analysis of why the payer side is an efficient enforcement route, the retroactivity and integration observations, the audit examination structure, the records analysis and the qualifications on advance rulings are our own. This article does not address the detailed worker status tests, provincial employment standards, workers compensation, or the treatment of dividends already paid, several of which this publication treats separately.

Frequently Asked Questions

How much does a personal services business finding actually cost?
In Ontario, a source states the comparison as 12.2 percent for a corporation eligible for the small business deduction against 44.5 percent for a personal services business, and both figures check out arithmetically. That is a 32.3 point gap. On top of the rate, paragraph 18(1)(p) denies essentially all deductions other than salary to the incorporated employee.
Does having five employees protect me?
No. The statute excepts a corporation employing more than five full-time employees throughout the year, so the threshold is six. A corporation with exactly five remains within the definition. Some published summaries render this as fewer than five, which reverses the result at the boundary.
Can I avoid this by putting the shares in my spouse's name?
No. The definition applies where the individual performing the services or any person related to them is a specified shareholder. A practitioner source makes the point directly: where the shares are owned by a spouse while services are performed by the incorporated employee, the corporation is still within the definition. The drafting anticipated this.
Why would CRA contact my client rather than me?
Because the client holds the evidence. The test asks whether you would be regarded as an officer or employee of the client but for the corporation, and the contracts, organisation charts, systems records and role descriptions that answer that question are the client's. One client engaging thirty contractors is also a single contact yielding thirty files.
Does my written contract protect me?
Less than you would expect. The test proceeds but for the existence of the corporation, so the corporate arrangement itself is legislatively disregarded. And an agreement describing autonomy that the parties do not actually observe can be worse than none, because it suggests the documents were arranged rather than descriptive.
What is the single strongest evidence of independence?
Genuine financial risk borne by the corporation: fixed-price work, rework performed at your own cost, bad debts, and periods without engagement. It is among the strongest indicators and among the least likely to be documented, because nobody records a loss expecting to need it as evidence years later.
IB

About The Insight Bureau Research Desk

The Insight Bureau is GSH Financial's research publication, written for Canadian business owners and the students who will eventually advise them. This article computes and verifies the rate figures it quotes, and corrects a paraphrase of the employee threshold that reverses the statutory result at the margin. See References below.

References

  1. McCay Duff LLP. (2026, May 7). Does CRA's Personal Services Business Project Impact Your Company?, on CRA recently beginning to contact companies that might be hiring personal services businesses, the criteria including the ten percent share ownership threshold and the more than five full-time employees test, the restriction of deductions to expenses a worker could deduct as an employee with other expenses denied even if necessary to earn income, ineligibility for the small business deduction and general rate reduction, the additional five percent tax, and the Ontario comparison of 12.2 percent against 44.5 percent. Also McInnes Cooper, Tax Implications of Personal Services Businesses, on the subsection 125(7) definition, the imposition of Canada Pension Plan and Employment Insurance obligations on remuneration paid to the incorporated employee, and the reported Tax Court interpretation that the more than five criterion is satisfied by five full-time employees plus a part-time employee. Note: professional accounting and law firm publications; we could not locate a CRA publication describing the project, and the cited case is given by a commercial reporter citation which we did not read. mccayduff.com · mcinnescooper.com
  2. Department of Justice Canada. Income Tax Act, RSC 1985, c. 1 (5th Supp.), section 125, consolidated text, for the subsection 125(7) definition of personal services business, including the reference to an individual who performs services on behalf of the corporation as an incorporated employee for the purposes of that definition and paragraph 18(1)(p); the alternative that any person related to the incorporated employee is a specified shareholder; the test of whether the incorporated employee would reasonably be regarded as an officer or employee of the person or partnership to whom the services were provided but for the existence of the corporation; and the exceptions where the corporation employs in the business throughout the year more than five full-time employees, or the amount is received or receivable from a corporation with which it was associated in the year. Note: primary legislation. laws-lois.justice.gc.ca — ITA s.125
  3. Maroof HS CPA. Personal Services Business (Incorporated Employee), on the definition being very expansive and difficult to circumvent, on there being no requirement of share ownership by the incorporated employee so that a corporation whose shares are held by a related person such as a spouse is still within the definition, on the denial of deductions otherwise allowed to a Canadian-controlled private corporation, on the recommendation to seek an advance income tax ruling, and on the observation that long-haul trucking is very much on CRA's radar with transportation businesses pushing drivers to incorporate to avoid payroll contributions, overtime, meals and vacation pay, and that the information technology sector shows the same tendency. Note: a professional accounting publication; sector characterisations are the author's observations. maroofhs.com
  4. Rosen & Associates Tax Law. Personal Services Business: CRA Rules, on the definition appearing in subsections 248(1) and 125(7), the description of the incorporated employee concept, the specified shareholder threshold of ten percent of issued shares, the more than five full-time employees test, the associated corporation exclusion, the denial of the small business deduction, and the location of the disallowed expense rules in paragraph 18(1)(p). Note: a Canadian tax law firm publication. rosentaxlaw.com
  5. Truong Accounting. Personal Services Business, on the elements of the definition including the specified shareholder alternative and the more than five full-time employees exclusion, and on the denial of deductions for expenses such as office supplies, automobile costs and advertising. Note: a professional accounting publication. truongaccounting.ca
  6. Kwantlen Polytechnic University, Intermediate Canadian Tax, open textbook, on personal services business income being taxed at the full corporate rate plus an additional five percent, and on such income being ineligible for both the small business deduction and the general rate reduction. Note: an academic teaching resource. kpu.pressbooks.pub
  7. Welch LLP. Personal Services Businesses: Understanding What They Are and the Implications, on the growing use of corporations for consulting-type businesses and the reasons including tax savings, liability protection and client preference for contracting with a company; on scrutiny of these rules becoming a focus point for CRA; and for its statement of the criteria, one of which renders the employee threshold in a form that differs from the statutory test as discussed in the article. Note: a professional accounting publication whose surrounding treatment is otherwise consistent with other sources. welchllp.com
  8. Mondaq. Small Business Deduction: Section 125 of Canada's Income Tax Act, A Canadian Tax Lawyer's Analysis, on the rules governing associated corporations being complex and subject to numerous interpretative tax cases, and on the small business deduction context in which the personal services business definition sits. Note: a syndicated law firm publication. mondaq.com

This article is provided for general informational purposes and is not tax or legal advice. Whether a corporation falls within the personal services business definition is a fact-specific determination. Combined tax rates are computed by the authors from component federal and Ontario rates verified in August 2026; rates change and differ by province. No reader should act on this article without professional advice on their own arrangement.