Small Business Accounting

Incorporated vs Self-Employed in Canada: Which Should You Choose?

Published 2025-05-12 · Updated 2025-10-25 · By BOMCAS Canada Editorial Team

The basic choice

Every self-employed Canadian eventually asks: should I incorporate? Operating as a sole proprietor means your business income flows through your personal T1 return on Form T2125, with all profits taxed at your personal marginal rate. Incorporating creates a separate legal entity (a Canadian-controlled private corporation, or CCPC) that files its own T2 return and pays the corporate tax rate.

The small business deduction

The single biggest tax reason to incorporate is the small business deduction (SBD). The SBD reduces the combined federal-provincial corporate tax rate to between 9% and 12.2% on the first $500,000 of active business income, depending on the province. Sole proprietors pay the personal marginal tax rate on the same income — which is over 47% in most provinces at higher income levels. The differential creates tax deferral that can fund growth, savings, or retirement.

The breakeven point

Incorporation makes financial sense when you can leave money inside the corporation. If you spend every dollar your business earns to live, incorporation provides limited tax benefit because you pay yourself out and end up at roughly the same personal tax level. The general rule of thumb: incorporation starts to make sense when your business consistently earns at least $30,000 to $50,000 more than you personally need to live, allowing you to retain earnings inside the corporation.

Liability protection

A corporation is a separate legal person. Properly maintained, the corporate veil protects your personal assets from most business liabilities. Sole proprietors are personally liable for all business debts and lawsuits. For high-liability businesses (contractors, food services, professional services), this alone justifies incorporation regardless of tax considerations.

Costs of incorporation

Incorporation has real costs: legal fees for the actual incorporation, annual corporate filings, corporate accounting and T2 preparation (significantly more than T2125), separate corporate banking, more complex bookkeeping, and ongoing minute book maintenance. A reasonable estimate is $2,500 to $5,000 in additional annual professional fees compared to a sole proprietorship.

Other considerations

Income splitting opportunities with a spouse who owns shares (subject to TOSI), the ability to defer tax, capital gains exemption on a future sale of qualifying shares (the Lifetime Capital Gains Exemption is $1.25M in 2024 indexed annually), insurance planning through the corporation, and access to specific corporate-only tax credits all favour incorporation. Personal Services Business risk, the cost of unwinding a corporation, and the complexity of corporate compliance all push against it.

How this issue connects to broader Canadian tax planning

Like every Canadian tax topic, the answer for any given individual or business depends on facts and timing. The most common reason Canadian taxpayers overpay is not that they file the wrong return — it's that they make structural decisions (incorporation, ownership of real estate, family compensation, retirement drawdown sequencing) without modelling the multi-year consequences. By the time the consequences show up on a tax return, they are usually impossible to reverse cost-effectively.

BOMCAS Canada works with Canadian individuals and businesses on the full spectrum of tax planning and tax compliance. The compliance work — preparing returns, filing GST/HST, running payroll, issuing T4s, responding to CRA — is the visible part of the engagement. The less-visible part is the planning work that happens throughout the year: modelling decisions before they are made, identifying tax opportunities while they are still actionable, and coordinating with legal, banking, and insurance advisors when a tax decision intersects with their domains.

Other Canadian tax topics that may interest you

Canadian tax is interconnected. The salary-vs-dividend decision interacts with RRSP planning, which interacts with CPP entitlement, which interacts with retirement income drawdown, which interacts with OAS clawback. The corporate small business deduction interacts with passive investment income, which interacts with insurance planning. Real estate ownership decisions interact with the Underused Housing Tax, the principal residence exemption, the anti-flipping rules, and provincial property surcharges. Cross-border situations interact with treaty positions, FBAR/FATCA compliance, and departure tax. A good Canadian accountant maps the connections for each client based on their specific facts.

If you would like to discuss how this article applies to your specific situation — whether you're an individual evaluating personal tax planning, a small business owner thinking about incorporation, a real estate investor considering ownership structure, or a professional planning practice transition — call us at 780-667-5250 or submit the contact form. The initial conversation is free, takes 15 to 30 minutes, and there is no obligation. If we are not a fit for your situation, we are happy to suggest other Canadian professionals who might be.

Canadian tax filing deadlines you should know

  • April 30: T1 personal tax return deadline for most Canadians. Balance owing is due by this date even if the filing deadline is extended.
  • June 15: T1 deadline for self-employed individuals and their spouses (any balance owing still due April 30).
  • March 1 or March 2: RRSP, FHSA, and similar registered plan contribution deadline for the prior tax year.
  • January 31: T4, T4A, and T5018 information returns due.
  • February 28: T5 investment income slips due.
  • Six months after corporate year-end: T2 corporate income tax return filing deadline.
  • Two or three months after corporate year-end: T2 balance owing payment deadline.
  • Quarterly (March 15, June 15, September 15, December 15): Personal tax instalment due dates.

How BOMCAS Canada serves clients across Canada

BOMCAS Canada is headquartered in Edmonton, Alberta and serves clients in every Canadian province and territory virtually. Through an encrypted client portal, video meetings, e-signature workflow, and direct CRA representation under written authorization, we deliver the same complete service to a client in a small town in northern Manitoba that we deliver to a downtown Toronto corporation. Most clients find the virtual model both faster and more cost-effective than commuting to a downtown accounting office.

Our fees are fixed by engagement letter — no surprise hourly invoices. Our response standard is one business day for routine client communications. Same accountant year over year — no transferring you to a junior every year. Canadian-only tax focus — we don't do US-only or UK tax in isolation. Industry depth across trucking, real estate, medical professionals, contractors, restaurants, e-commerce, farms, nonprofits, and many other Canadian industries.

Frequently asked questions

How do I work with BOMCAS Canada if I don't live in Edmonton?
Almost identically to how an Edmonton client works with us. We meet by video or phone. Documents go through the encrypted client portal. Engagement letters, CRA authorizations, and tax returns are e-signed. CRA representation works under written authorization regardless of where you live in Canada.
What does an engagement cost?
Depends on the engagement type and complexity. Personal tax engagements are typically a fixed annual fee. Small business engagements are typically a fixed monthly fee. We provide a written fixed-fee quote after a 15–30 minute discovery conversation, signed before any work begins.
Can BOMCAS Canada represent me with CRA?
Yes. With your signed RC59 (business) or AUT-01 (individual), BOMCAS Canada can communicate with CRA on your behalf, respond to review letters, represent you in audits, file Notices of Objection, and coordinate with tax counsel for Tax Court of Canada appeals where required.
What software do you support?
QuickBooks Online, Xero, Sage, Wave, FreshBooks, and several industry-specific platforms (PCLaw, Clio for law; Dext, Hubdoc for receipt capture; Float, Fathom for forecasting). We migrate from one platform to another as part of new client onboarding when needed.

Need help applying this to your situation?

Speak with a Canadian accountant at BOMCAS Canada about your specific tax or accounting situation. We respond within one business day.

Call 780-667-5250 Request Consultation