1) Self-employed vs. Incorporation — the logic

Remaining self-employed is often optimal if you withdraw almost all of your income to cover your cost of living and do not need legal protection.
Incorporating becomes attractive when you can leave a significant portion of profits in the company (corporate savings), when you want limited liability, when you hire staff (and aim for the small business deduction in Québec), or when you prepare for a future sale (shares eligible for the Lifetime Capital Gains Exemption).

On the first $500,000 of active business income, corporate tax rates vary in Québec:

• With SBD (federal + Québec): about 12.2%

• Without Québec SBD (federal SBD only): about 20.5%

• General corporate rate: about 26.5%

At the federal level, the small business rate is 9% on the first $500,000 of active business income.

On the personal side, the top marginal tax rate in Québec in 2025 is around 53.31%. Integration usually makes the strategy neutral if you pay out everything as dividends, so the real advantage comes from deferral — the ability to leave profits inside the company and pay much less tax up-front.

Bonus: on a sale, the Lifetime Capital Gains Exemption (LCGE) is $1.25M per person for dispositions after June 24, 2024. A new Entrepreneur Credit also reduces the taxable portion of a gain to 1/3 up to $2M lifetime, phased in between 2025–2029.

2) Numerical examples (Québec, 2025)

Example A — You withdraw everything to live

• Net income: $150,000

• Self-employed: taxed personally according to brackets.

• Incorporated (all paid as salary): corporate tax = $0 (salary deductible), but you add employer payroll contributions:

  • QPP (employer portion): ~6.4% (max around $4,339)

  • QPIP (parental insurance): ~0.69% (max $678)

  • Health Services Fund: 1.65% (if payroll ≤ $1M)

  • Labour standards: 0.06%

  • CNESST: varies by industry

Conclusion: if you withdraw everything as salary, the total cost is similar to being self-employed, with more administration and employer charges.

Example B — You earn $200,000, need $120,000 to live, and leave $80,000 inside the company

1. With SBD (12.2%)

   • Corporate tax on $80,000: $9,760

   • Net left in company: $70,240

   • If self-employed: immediate tax ~$42,648

   • Deferral advantage: ≈ $32,888

2. Without Québec SBD (20.5%)

   • Corporate tax: $16,400

   • Deferral advantage: ≈ $26,248

3. At the general rate (26.5%)

   • Corporate tax: $21,200

   • Deferral advantage: ≈ $21,448

Reading: Incorporation is advantageous as soon as you retain profits, and even more if you qualify for the SBD.

Example C — Eventual sale

• Sale of eligible shares in a Canadian-controlled private corporation: $1.25M exemption per shareholder (e.g., $2.5M for a couple), plus the new Entrepreneur Credit (1/3 inclusion up to $2M).

3) The 5,500-hour rule (Québec SBD)

To access the Québec Small Business Deduction (SBD) on the first $500,000, service companies must have at least 5,500 paid hours in Québec during the year (maximum of 40 hours per week per employee).

• Between 5,000 and 5,500 hours: partial deduction (linear reduction).

• Below 5,000 hours: no deduction.

• Manufacturing and primary sectors are exempt from this test.

• Only paid employment hours count (reported on T4/RL-1). Dividends do not count.

• Hours of subcontractors do not count (they count for their own company).

• Shareholders can count up to 40 hours per week if they are paid as employees.

In practice, you need about three full-time employees plus yourself as a salaried employee to exceed 5,500 hours.

4) When to incorporate in practice

It’s usually a good signal to incorporate when at least one of these is true:

1. You regularly leave more than $50–100k per year in the business.

2. You hire employees and can reach 5,500 hours (to benefit from the 12.2% rate).

3. You want limited liability.

4. You plan for a future sale (LCGE + Entrepreneur Credit).

5. You want to pay family members a reasonable salary (income splitting).

Caution: if you are deemed a personal services business (essentially an “incorporated employee”), you lose the SBD and face punitive tax treatment.

5) Typical employer payroll charges (Québec, 2025)

• QPP (employer): 6.4% up to maximum ($71,300 MPE)

• QPIP: 0.69% (max $678)

• Health Services Fund: 1.65% (if payroll ≤ $1M; progressive up to 4.26%)

• Labour standards: 0.06%

• CNESST: rate depends on your industry

In summary

• If you withdraw all of your income to live, incorporation saves little (and adds payroll charges).

• If you leave profits inside the company, incorporation is very advantageous, especially if you meet the 5,500-hour test for the 12.2% rate.

• Incorporation also provides access to the $1.25M LCGE per shareholder on a future sale.

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