AI agents for business finance: what they can and can't do
What AI agents can do in bookkeeping, close, collections and compliance today, where a person must stay in charge, and how to judge a product.
The short answer
If your corporation provides services to one client and you would reasonably be regarded as that client's employee but for the corporation, the income can be a personal services business under s.125(7) of the Income Tax Act. That income gets neither the small business deduction nor the general rate reduction, and s.123.5 adds a further 5%, which works out at a 33% federal rate before provincial tax. The test turns on the real working relationship, not on how many clients you have, though one client makes it harder to pass.
What the law says
Section 125(7) of the Income Tax Act defines a personal services business as a business of providing services where an individual who performs the services for the corporation (the "incorporated employee"), or a person related to them, is a specified shareholder, and the incorporated employee "would reasonably be regarded as an officer or employee" of the client "but for the existence of the corporation". There are two exceptions: the corporation employs more than five full-time employees in the business throughout the year, or the payment comes from a corporation associated with yours.
Nothing in the definition mentions the client's country. A Lagos fintech, an Abuja consultancy or a Toronto bank can all be the client in a personal services business. What matters is whether, without your company in the middle, you would look like their employee.
What it costs
- No small business deduction. The low rate applies to active business income; personal services business income is outside it (s.125).
- No general rate reduction. Section 123.4 excludes personal services business income from "full rate taxable income", so the 13% general reduction does not apply.
- An extra 5%. Section 123.5 adds 5% of taxable income from a personal services business.
- Restricted expenses. The definition is tied to s.18(1)(p), which limits what the corporation can deduct against this income.
The CRA explains that the 38% basic federal rate falls to 28% after the federal abatement. Add the 5% and personal services business income is taxed federally at 33%, before provincial tax. In Ontario the higher provincial rate is 11.5%, making 44.5%.
Worked example (example figures, Ontario, after 1 July 2026)
| $100,000 profit from one client | Small business rate | Personal services business |
|---|---|---|
| Federal | 9% = $9,000 | 33% = $33,000 |
| Ontario | 2.2% = $2,200 | 11.5% = $11,500 |
| Total corporate tax | $11,200 | $44,500 |
The difference of $33,300 on $100,000 is why accountants ask about this before you incorporate. Personal tax on dividends still applies when you take the money out.
How "would be an employee" is judged
The CRA's guide RC4110 sets out how it decides whether someone is an employee or self-employed outside Quebec: first the intention of the parties, then the factors of control, tools and equipment, subcontracting or hiring helpers, financial risk, investment and management, and the opportunity for profit. Applied to a single Nigerian client, warning signs include:
- You work set hours that the client decides and report to a manager there.
- You use the client's laptop, email address and systems, and appear on its staff page.
- You are paid a fixed monthly amount regardless of output, with paid leave.
- You cannot send someone else to do the work or hire help.
- You have no other clients and no marketing, and the engagement has run for years.
What a review might look at
If the CRA examines whether your corporation carries on a personal services business, expect questions about how the work is done day to day, not just what the contract says. Have ready:
- The contract or statement of work, and any purchase orders or change requests.
- Invoices from your corporation, showing milestones or deliverables rather than a flat monthly salary.
- Evidence of your own tools and costs: software licences, equipment, insurance, a business phone.
- Correspondence showing you decide how and when the work is done.
- Proof of other clients, proposals you have sent and marketing you pay for.
- Any subcontractors or helpers your corporation has paid.
Relationships with Nigerian companies are often informal, built on WhatsApp messages and verbal agreements. That makes paperwork more important, not less: a short written scope for each piece of work goes a long way.
Reducing the risk
- Write the contract as a contract for services: deliverables, your own tools, your right to substitute or subcontract, invoices per milestone.
- Make it true in practice. The CRA looks at how the relationship works, not just the paper.
- Build other clients where you can, and keep evidence of business activity: a website, proposals, other invoices.
- If you in fact work as an employee, consider whether being paid as one, or as a sole proprietor, is cleaner than a corporation.
- Ask an accountant to review before your first T2, not after a CRA review.
See employee or contractor for a Nigerian firm and when incorporating pays for the wider decision.
Where Pryme fits
Clear records of separate clients, invoices and payments help show a real business. A Pryme Business Account keeps each client's payments in its own currency, and invoicing keeps a dated trail of milestones billed and paid.
Questions people ask
What is a personal services business in Canada?
Under s.125(7) of the Income Tax Act, it is a corporation providing services where the person doing the work would reasonably be regarded as the client's employee but for the corporation, unless it has more than five full-time employees.
What tax rate applies to a personal services business?
Federally 33% (the 28% rate after abatement plus the 5% in s.123.5), plus the provincial higher rate, which is 11.5% in Ontario.
Does having only one client make my company a PSB?
Not automatically. The test is whether you would be the client's employee without the corporation. One client makes that more likely but the working relationship decides it.
Does it matter that my client is in Nigeria?
No. The definition does not depend on where the client is based.
Sources
- Justice Laws: Income Tax Act s.125, including the definition of personal services business (current to 30 Sep 2026) · accessed Oct 2026
- Justice Laws: Income Tax Act s.123.4, general rate reduction and full rate taxable income (current to 30 Sep 2026) · accessed Oct 2026
- Justice Laws: Income Tax Act s.123.5, additional tax on personal services business income (current to 30 Sep 2026) · accessed Oct 2026
- CRA: Corporation tax rates (modified 21 Oct 2026) · accessed Oct 2026
- CRA RC4110, Employee or self-employed? (modified 6 Oct 2023) · accessed Oct 2026
This article is general information, not financial, legal or tax advice. Products described are provided under the terms on this site and are subject to regulation and eligibility.