New Brunswick 2025 Tax Rates For Businesses. Information for corporations about new brunswick provincial corporation tax (dual tax rate, business limit, credits). New brunswick corporate income tax rates are applied to federally defined new brunswick taxable income.
The budget contains no tax increases for businesses or individuals but makes other changes. For small businesses, new brunswick’s income tax rate (2.5 per cent) is higher than five other canadian provinces including prince edward island and all four western.