Canada’s 2026 Federal Budget speeds up write-offs and targets tax paperwork for small businesses

Budget 2026, titled Masters of our destiny, sets out the government’s plan to attract private investment, raise productivity and reduce reliance on one market. Finance Minister François-Philippe Champagne tabled it in the House of Commons as the second budget under Prime Minister Mark Carney.

On 2 November, Champagne said the budget would aim to make life easier for small and medium-sized businesses. The government projects the deficit, measured as a share of the economy, will fall from 1.8 per cent in 2026–27 to 1.3 per cent by 2030–31. The measures that affect business owners fall into three areas: write-offs for investment, incentives for innovation and reinvestment, and changes to tax filing and payments.

Immediate write-offs extend to about two-thirds of capital assets

The headline measure is the Productivity Mega Deduction. The government announced it on 15 September 2026, and the budget confirms it. Under the deduction, businesses can write off the full cost of eligible capital assets in the year they buy them, rather than over the life of the asset. Capital assets are long-lived purchases such as equipment, vehicles and software.

The budget says businesses of all sizes “can now deduct the full cost of a new investment immediately.” The government estimates that about two-thirds of capital assets will qualify for immediate write-offs, compared with about 15 per cent previously. Examples range from a local business buying kitchen equipment, tools or office technology to a company investing in mining equipment, software or rail track. Certain long-lived assets, assets subject to regulated rates and assets with a significant personal use component are excluded.

The measure carries an estimated cost of about $36 billion over five years. The government estimates the deduction could raise gross domestic product (GDP) by about $22 billion a year over 10 years and create up to an estimated 80,000 jobs over the long term.

RSM Canada economist Tu Nguyen is less certain the projected gains will follow. In an analysis of the budget, she wrote that “incentives can invite investment, but they cannot compel it.”

Incentives reward innovation and reinvestment in Canada

Beyond equipment, the budget targets the cost of getting new ideas to market. It proposes expanding the scientific research and experimental development tax incentive program to cover certain costs of bringing a new product or process to market. Eligible costs would include regulatory approvals and certifications, plus securing and maintaining intellectual property protection.

The measure would apply to expenses incurred in tax years that begin on or after budget day. The government expects it to provide $930 million over five years, with $235 million in ongoing support. The Canada Revenue Agency (CRA) will also issue sector-specific guidance on which commercialization expenses qualify.

Founders and investors receive a proposed incentive to reinvest in Canada as well. Capital gains are profits from selling an asset, such as shares in a company. The Canada Growth Incentive proposes a tax exemption on up to $15 million in capital gains from successful investments in eligible Canadian companies. It also enhances the small business rollover, which lets owners defer more tax when they reinvest sale proceeds in another Canadian small business.

The government estimates the incentive will provide $715 million in tax relief over four years, starting in 2027–28. The budget uses a founder with a $15 million capital gain as an example. That founder would keep nearly 96 per cent of the value at exit, up from 71 per cent before the budget.

Proposed changes aim to cut tax paperwork for small businesses

The third area is tax administration, where the budget proposes changes to how Canadians file and pay tax. Instalment thresholds have not changed since 2008. The budget proposes raising the threshold from $3,000 to $7,500 and indexing it to inflation.

The change would remove instalment payments for about 185,000 small incorporated businesses and nearly 1.1 million individuals. For self-employed business owners, the budget proposes a single payment of two-thirds of net tax owing by 31 December, a change that would apply from the 2028 taxation year. The government estimates it would also reduce the compliance burden for 190,000 self-employed individuals.

The budget also proposes a single May 15 due date for filing returns and paying taxes owing, including for self-employed individuals, starting with the 2027 taxation year. The government expects it to save Canadians about $230 million in interest and penalties over five years, with $55 million in ongoing annual savings. Other proposals would give most taxpayers one year after a notice of assessment to file an objection, and would allow flat-rate claims for certain deductions so people do not need to keep every receipt.

The budget is still up for debate

Members of Parliament will debate the budget legislation for weeks and could seek amendments. Many of the measures remain proposals until lawmakers pass them, so the final rules may differ from the budget.

Timing varies by measure. The government says the Productivity Mega Deduction already applies to eligible investments acquired on or after 15 September 2026, and the research incentive expansion applies to tax years beginning on or after budget day. The Canada Growth Incentive starts in 2027–28, the single May 15 deadline starts with the 2027 taxation year, and the instalment changes begin in 2028.

The budget also says a second package of tax simplification measures will come in the Spring Economic Update 2027. Business owners planning equipment purchases, research spending or changes to their tax payments will need to confirm how the final rules apply to them.