BC corporate income tax is charged at 2% on the first $500,000 of active business income for qualifying Canadian-controlled private corporations and 12% on income above that threshold or on income earned by corporations that don’t qualify for the small business rate. Once federal corporate tax is added, the combined rate runs from roughly 11% for a small business up to 27% for a larger corporation. British Columbia sets its own rules and rates, but the Canada Revenue Agency collects the tax for the province under a federal-provincial collection agreement, so there is no separate BC filing.
1Province of British Columbia. Corporate Income Tax Rates and Business Limits2Canada Revenue Agency. Corporation Tax Rates
Which Corporations Owe BC Tax
Any corporation with a permanent establishment in British Columbia owes provincial corporate income tax on the portion of its income attributable to the province. Under the federal Income Tax Regulations, a permanent establishment is a fixed place of business such as an office, branch, factory, or warehouse, and it also includes places where the corporation uses substantial machinery or has an employee or agent with authority to sign contracts or fill orders from local inventory.
3Government of Canada. Income Tax Regulations (C.R.C., c. 945)A corporation based outside Canada is not exempt from these rules. It must file a T2 return if it carried on business in Canada, realized a taxable capital gain, or disposed of taxable Canadian property during the year, even where a tax treaty would exempt the profits from Canadian tax. If that non-resident corporation has a permanent establishment in BC, provincial tax applies to the income allocated to it.
4Government of Canada. T2 Corporation Income Tax Guide – Before You StartThe Two Rates and What Each One Covers
BC uses a two-tier rate structure. The small business rate of 2% applies to the first $500,000 of active business income earned in the year by an eligible Canadian-controlled private corporation. Income above that threshold, and income earned by corporations that don’t qualify for the small business deduction, is taxed at the general rate of 12%.
1Province of British Columbia. Corporate Income Tax Rates and Business LimitsThe federal government layers on its own tax at a net rate of 9% for small business income and 15% for general income. That produces a combined federal-provincial rate of about 11% on the first $500,000 and 27% on income above it.
2Canada Revenue Agency. Corporation Tax RatesOne trap catches some owners off guard. Income from passive investments or rental activities generally does not count as active business income, so it does not qualify for the 2% small business rate even inside an otherwise-eligible CCPC.
1Province of British Columbia. Corporate Income Tax Rates and Business LimitsAllocating Income When You Operate in More Than One Province
A corporation that operates only in British Columbia pays BC tax on all of its taxable income. When there are permanent establishments in more than one province or territory, the Income Tax Regulations set out a two-factor formula. Half the allocation is based on the share of gross revenue reasonably attributable to the BC establishment, and half is based on the share of total salaries and wages paid to employees at that establishment.
5Government of Canada. Income Tax Regulations (C.R.C., c. 945) – Section 402If gross revenue is zero for the year, the whole allocation runs on salaries and wages. If no salaries or wages were paid, it runs entirely on gross revenue. Getting the split wrong is one of the faster routes to an audit adjustment, because the allocation controls how much tax each province can collect.
Credits That Reduce the Bill
BC offers more than a dozen provincial credits that can cut a corporation’s tax. The most widely used ones cover research, workforce training, and digital media, and each has its own eligibility rules, claim deadlines, and caps.
6Canada Revenue Agency. British Columbia – Provincial Corporation TaxScientific Research and Experimental Development
Corporations conducting eligible research in BC can claim a provincial SR&ED credit of 10% on qualified expenditures. Canadian-controlled private corporations and eligible Canadian partnerships can claim it as a refundable credit on expenditures up to the federal expenditure limit, which increased to $6 million for tax years beginning on or after December 16, 2024. Spending above the cap, and all spending by non-CCPCs, qualifies for a 10% non-refundable credit instead. Claims must be filed within 18 months of the end of the tax year in which the eligible spending occurred.
7Government of British Columbia. Scientific Research and Experimental Development Tax CreditInteractive Digital Media
The Interactive Digital Media Tax Credit supports companies making interactive products that educate, inform, or entertain. For eligible salary and wages incurred after August 31, 2025, the rate is 25%. The product has to combine digital application and data files, present information in at least two of text, sound, or images, and be developed in British Columbia. Real-currency gambling products, blogs, slide shows, and social media platforms are excluded. Claims are due within 18 months of the tax year-end.
8Government of British Columbia. Interactive Digital Media Tax CreditTraining Tax Credit
Corporations that hire apprentices registered in a prescribed program through SkilledTradesBC can claim a refundable training credit. The basic credit is 20% of salary and wages paid during the first 24 months of an apprenticeship, up to $4,000 per employee per year. Completion credits of 15% apply when an employee finishes level three (capped at $2,500) or level four (capped at $3,000). Enhanced rates are available for employees registered under the Indian Act or qualifying for the disability tax credit. The credit applies to salaries paid before January 1, 2028, with a claim deadline of 36 months after the end of the relevant tax year.
9Canada Revenue Agency. British Columbia Training Tax CreditOther Available Credits
BC also offers credits for film and television production, production services, book publishing, mining exploration, clean buildings, shipbuilding and ship repair, logging, farmers’ food donations, and qualifying environmental trusts. Each has its own eligibility criteria and is claimed on its own dedicated schedule alongside the T2.
6Canada Revenue Agency. British Columbia – Provincial Corporation TaxFiling the T2 Return
Every corporation with a BC tax obligation files a T2 Corporation Income Tax Return through the CRA. There is no separate provincial filing, because the CRA collects both federal and provincial corporate tax under the collection agreement with the BC government.
10BC Laws. British Columbia Code – Income Tax ActYou’ll need your nine-digit Business Number, assigned by the CRA at initial registration, and complete financial statements for the fiscal year, including a balance sheet and income statement, to populate the various schedules.
11Canada Revenue Agency. Business Number and CRA Program AccountsTwo schedules matter most for BC tax. Schedule 5 (Tax Calculation Supplementary — Corporations) is required when a corporation has permanent establishments in more than one jurisdiction and is used to allocate income among provinces.
12Canada Revenue Agency. If You Have to Complete Schedule 5 Schedule 427 (British Columbia Corporation Tax Calculation) is a worksheet for calculating BC tax before credits. The CRA notes you don’t have to file Schedule 427 with the return itself, but using it helps confirm the provincial figures are right.
6Canada Revenue Agency. British Columbia – Provincial Corporation TaxMost corporations file electronically through the CRA’s My Business Account portal, though paper returns can be mailed to designated tax centres. The filing deadline is six months after the end of the corporation’s fiscal year.
13Canada Revenue Agency. When to File Your Corporation Income Tax ReturnPaying the Balance and Instalments
The deadline to pay is shorter than the deadline to file. For most corporations, the balance-due day falls two months after the end of the tax year. Canadian-controlled private corporations that claimed the small business deduction and whose taxable income (including associated corporations) stayed within the business limit for the previous year get an extra month, putting the balance due three months after year-end.
14Canada Revenue Agency. Balance-Due DayIf total tax payable exceeded $3,000 in either the current or previous tax year, you must make instalment payments during the year rather than paying all at once.
15Canada Revenue Agency. Who Has to Pay in Instalments Most corporations pay monthly, with the first instalment due one month less a day after the start of the tax year and subsequent payments on the same day of each following month. Qualifying CCPCs with a perfect compliance history, taxable income of $500,000 or less, and taxable capital employed in Canada of $10 million or less can pay quarterly.
16Canada Revenue Agency. Corporate Income Tax Payments – Due Dates for PaymentsOnce the CRA processes the return, it issues a Notice of Assessment confirming the final figures and any remaining balance or refund.
What Late Filing or Payment Costs
Missing the filing deadline triggers an automatic penalty of 5% of the tax unpaid when the return was due, plus 1% for each complete month the return stays unfiled, up to 12 months. That makes the maximum first-time penalty 17% of the unpaid balance. If the CRA previously demanded a return and assessed a late-filing penalty in any of the three preceding tax years, the penalty rises to 10% of the unpaid tax plus 2% per complete month, up to 20 months, for a maximum of 50%.
17Justice Laws Website. Income Tax Act RSC 1985 c 1 (5th Supp) – Section 162Interest compounds daily on any unpaid balance from the balance-due day forward. The CRA sets the prescribed rate quarterly; for the first quarter of 2026, the rate on overdue corporate taxes is 7%.
18Canada Revenue Agency. Interest Rates for the First Calendar Quarter 2026Missed or insufficient instalment payments accumulate interest too. When instalment interest for the year exceeds $1,000, the CRA can add a separate instalment penalty equal to half the difference between the instalment interest charged and the greater of $1,000 or 25% of the interest that would have been charged had no instalments been made at all.
19Canada Revenue Agency. Avoiding PenaltiesHow Long to Keep Records
Corporations must keep all books, records, and supporting documents for six years from the end of the last tax year they relate to. If a return was filed late, the six-year clock starts from the filing date. Records tied to long-term property acquisitions, share registries, or other historical information that could affect a future sale or wind-up have to be kept indefinitely. If a corporation has filed a notice of objection or an appeal, all relevant records must be preserved until the objection or appeal is resolved, the deadline for further appeal has passed, or the standard six-year period has expired, whichever comes latest.
20Canada Revenue Agency. Where to Keep Your Records, for How Long and How to Request the Permission to Destroy Them Early