Big news for Ontario entrepreneurs: starting July 1, 2026, the provincial small business corporate tax rate is dropping from 3.2% to 2.2%. That’s a permanent cut that puts more money directly back into your business. Here’s what you need to know, and how to make the most of it.
What Exactly Changed?
In the 2026 Ontario Budget (A Plan to Protect Ontario), Finance Minister Peter Bethlenfalvy announced a 1% reduction to Ontario’s small business corporate income tax (CIT) rate, from 3.2% down to 2.2%, effective July 1, 2026.
Combined with the federal small business rate of 9%, that brings the all-in corporate tax rate on your first $500,000 of active business income down to 11.2%. Previously it sat at 12.2%.
Over 375,000 Ontario businesses are expected to benefit.
What Does That Actually Save You?
On the full $500,000 business limit, a 1% rate reduction equals up to $5,000 in annual tax savings once the new rate is fully in effect for the 2027 tax year and beyond.
For most small business owners, that’s a new piece of equipment, a few months of software costs, or a meaningful contribution to your retained earnings.
Watch Out for the Blended Rate in 2026
Because the cut kicks in on July 1, not January 1, your 2026 savings depend on your fiscal year.
If your corporation has a December 31 year-end, the CRA requires you to prorate across both periods: the old 3.2% provincial rate applies to the first half of the year, and the new 2.2% applies to the second half. The result is a combined federal and Ontario rate of approximately 11.7% for the 2026 calendar year, settling at the full 11.2% from January 1, 2027 onward.
Do You Qualify?
To access the Small Business Deduction and take advantage of this lower rate, your corporation generally needs to:
- Be a Canadian-Controlled Private Corporation (CCPC)
- Earn active business income (not passive investment income)
- Stay within the $500,000 active income limit
- Keep your taxable capital under $10 million (the deduction phases out between $10M and $50M, disappearing entirely at $50M)
One notable advantage for Ontario businesses: unlike the federal rules, Ontario does not reduce the provincial Small Business Deduction based on passive investment income. So even if your CCPC earns significant investment income inside the corporation, you can still access the provincial reduced rate, a meaningful edge worth knowing about.
One More Thing: The Dividend Tax Credit Is Also Changing
Because dividends are paid from after-tax corporate earnings, shareholders receive a dividend tax credit to offset the tax already paid at the corporate level. With the corporate rate dropping, that credit needs to realign.
Effective January 1, 2027, Ontario’s non-eligible dividend tax credit rate will decrease from 2.9863% to 1.9863%. In practical terms, this means that non-eligible dividends paid to shareholders will carry a slightly higher personal tax cost starting next year.
The takeaway: if it makes sense for your situation, there may be a planning opportunity to accelerate non-eligible dividend payments in 2026, before the credit rate drops. This is worth a conversation with your accountant before year-end.
What You Should Be Doing Right Now
With these changes on the horizon, it’s a good time to revisit your tax strategy:
- Review your salary vs. dividend mix. The upcoming shift in the dividend tax credit makes 2026 a key year to revisit how you’re compensating yourself as a shareholder.
- Consider timing of income and expenses. If you have flexibility, deferring income into the second half of 2026 means more of it gets taxed at the lower 2.2% provincial rate.
- Check your fiscal year-end. Corporations whose year-end straddles July 1 will need to carefully track income across both periods for CRA purposes.
- Talk to your accountant. This is exactly the kind of change that looks simple on the surface but has layers when you factor in your specific situation.
The Bottom Line
This is genuinely good news for Ontario small business owners. A lower corporate tax rate means more capital stays in your business, and that capital can go toward hiring, growth, or simply building a more resilient operation.
At The TaxForce, we’re already working with clients to plan around these changes. If you want to make sure you’re positioned to capture the full savings and avoid any surprises around the blended 2026 rate or the upcoming dividend credit shift, reach out to us. We’re happy to take a look at your numbers.
Questions about how the 2026 Ontario tax changes affect your business? Get in touch with The TaxForce, we’re here to help.
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