Canada
Accounting and Tax Compliance in Canada
From ASPE bookkeeping to T2 returns, GST/HST and payroll. Practical support for foreign-owned corporations in the Canadian market.
Contents
- •The CRA and Your Business Number
- •Accounting Standards: ASPE or IFRS
- •Corporate Income Tax: Federal Plus Provincial
- •The Small Business Deduction and the CCPC Question
- •The T2 Return, Deadlines and Instalments
- •GST/HST and the Provincial Sales Taxes
- •Payroll, CPP and Source Deductions
- •Paying Non-Residents: Part XIII and Branch Tax
- •Transfer Pricing, Interest Limits and Foreign Reporting
- •Conclusion
Canada is a federation, and its tax system reflects that at every turn: federal rules administered by the Canada Revenue Agency sit alongside provincial regimes with their own corporate rates and their own sales taxes. For a foreign owner the most consequential fact rarely appears in a brochure - the celebrated Canadian small business rate is reserved for Canadian-Controlled Private Corporations, and a company controlled from abroad is not one.
1.The CRA and Your Business Number
Federal tax is administered by the Canada Revenue Agency (CRA), which collects corporate income tax, GST/HST and payroll deductions for Ottawa and, in most provinces, for the province as well.
Every business is identified by a nine-digit Business Number (BN). The BN alone does nothing: activity runs through program accounts, each written as the BN plus a two-letter identifier and a four-digit reference number.
• RC — corporation income tax, for the T2 return
• RT — GST/HST registration, returns and remittances
• RP — payroll source deductions and T4 slips
• RM — import/export, to clear goods through the CBSA
Two provinces stand apart. Québec administers its own corporate tax through Revenu Québec (return CO-17) and also administers GST within the province alongside QST. Alberta collects its own on the AT1 return. Elsewhere, one federal filing covers both levels. Filings, payments and assessments run through CRA My Business Account.
2.Accounting Standards: ASPE or IFRS
Canadian standards live in the CPA Canada Handbook, and which part applies depends on the entity.
• Part I — IFRS is mandatory for publicly accountable enterprises: companies whose securities trade publicly, and entities holding assets in a fiduciary capacity for outsiders, such as banks, insurers and funds.
• Part II — ASPE (Accounting Standards for Private Enterprises) is open to every other private enterprise and is what the great majority of Canadian private companies use - a complete framework, simply shorter and far cheaper to apply.
• A private enterprise may elect IFRS voluntarily, and often does where a foreign parent consolidates under IFRS.
Records must be kept in Canada or be electronically accessible from Canada, in English or French, and retained six years from the end of the tax year they relate to. Fiscal year-end is freely chosen with the first T2; a tax year cannot exceed 53 weeks.
Audit is not automatic. A CBCA non-distributing corporation may dispense with an auditor by unanimous shareholder resolution, and lenders often accept a review engagement. Assurance work requires a licensed Chartered Professional Accountant (CPA).
3.Corporate Income Tax: Federal Plus Provincial
A Canadian tax bill is always two numbers added together.
Federal. The basic rate is 38%. A 10% federal abatement for income earned in a province brings it to 28%, and the 13% general rate reduction brings the general federal rate to 15% on active business income outside the small business deduction.
Provincial. Each province adds its own general rate on top. As of 2025 these run from roughly 8% in Alberta to 16% in Prince Edward Island, giving combined general rates of roughly 23% to 31% depending on where income is earned. That spread is why no honest adviser quotes a single Canadian corporate rate.
Allocation. A corporation with a permanent establishment in more than one province allocates taxable income by a two-factor formula based on gross revenue and salaries and wages; each province then applies its own rate to its share.
A corporation incorporated in Canada is resident and taxed on worldwide income; a non-resident is taxed on business carried on in Canada and on taxable Canadian property, subject to treaty protection.
4.The Small Business Deduction and the CCPC Question
This is the point that most often surprises foreign investors.
The small business deduction (SBD) cuts the federal rate from 15% to 9% on the first CAD 500,000 of active business income - the *business limit*. Provinces add their own reduced rate, from 0% in Manitoba upward, giving combined small business rates of roughly 9% to 12% against a general combined rate of 23% to 31%.
But the SBD is available only to a Canadian-Controlled Private Corporation (CCPC) - a private corporation resident in Canada that is not controlled, directly or indirectly in any manner whatever, by non-residents, by public corporations, or any combination of the two.
The consequence is direct: a Canadian subsidiary of a foreign parent, or a company whose controlling shareholder is a non-resident individual, is not a CCPC. It pays the full general rate from the first dollar. Nominee arrangements do not solve it - the test reaches de facto control.
CCPC status also gates the enhanced 35% refundable SR&ED credit. Even for genuine CCPCs the business limit is ground down by taxable capital above CAD 10 million and passive investment income above CAD 50,000, and associated corporations share one limit.
5.The T2 Return, Deadlines and Instalments
Every corporation resident in Canada files a T2 corporation income tax return for every tax year - including a year with no activity and no tax payable. There is no dormant exemption. A non-resident corporation that carried on business in Canada also files, attaching Schedule 91 where a treaty exempts its profits.
Two different dates, and confusing them is expensive:
1. Filing - six months after the fiscal year-end. A 31 December year-end means a 30 June filing date.
2. Payment - two months after year-end, or three months for a CCPC claiming the SBD. A foreign-owned corporation, not being a CCPC, gets the shorter two-month window.
Interest runs from the payment date at the prescribed rate, compounded daily, and is not deductible. The late-filing penalty is 5% of unpaid tax plus 1% per complete month outstanding, up to twelve months, and far more for a repeat failure.
Instalments are monthly, or quarterly for eligible small CCPCs. None are required where total federal and provincial tax payable is CAD 3,000 or less in the current or preceding year. Most corporations must file electronically.
6.GST/HST and the Provincial Sales Taxes
Canada has a true value-added tax with input credits - but the rate depends on the province of supply.
GST and HST. The federal GST is 5%. In the participating provinces it is blended into a single Harmonised Sales Tax administered by the CRA. As of 2025: Ontario 13%; New Brunswick, Newfoundland and Labrador and Prince Edward Island 15%; Nova Scotia 14% after its April 2025 reduction. In Alberta and the territories only the 5% GST applies.
Separate provincial regimes sit on top of GST and are not recoverable - a real cost, not a flow-through:
• British Columbia — PST at 7%
• Saskatchewan — PST at 6%
• Manitoba — RST at 7%
• Québec — QST at 9.975%, administered by Revenu Québec
Registration becomes mandatory once taxable supplies exceed CAD 30,000 over four consecutive calendar quarters. Voluntary registration below that threshold is usually worthwhile, because only a registrant claims input tax credits (ITCs) on GST/HST paid on business inputs.
Filing frequency follows revenue: annual to CAD 1.5 million, quarterly to CAD 6 million, monthly above. Place-of-supply rules decide which rate to charge on interprovincial sales.
7.Payroll, CPP and Source Deductions
Hiring means opening an RP program account and withholding from the first pay run.
Off every paycheque:
• Income tax, federal and provincial, based on the TD1 forms completed on hiring
• Canada Pension Plan (CPP) — 5.95% employee and a matching 5.95% employer (2025) on pensionable earnings above the CAD 3,500 exemption up to the annual ceiling, plus CPP2 at 4% on a band above that ceiling
• Employment Insurance (EI) — an employee premium set annually, with the employer paying 1.4 times the employee amount
In Québec the Québec Pension Plan (QPP) replaces CPP at a higher rate and is administered by Revenu Québec, alongside the parental insurance plan and the Health Services Fund - two payroll filings, not one.
Remittance depends on average monthly withholdings: quarterly for the smallest employers, monthly by the 15th for most, accelerated up to four times monthly for large ones. T4 slips to employees and the T4 Summary to the CRA are due by the last day of February.
Several provinces levy employer health taxes - Ontario's and British Columbia's EHT, Manitoba's levy, Québec's Health Services Fund - plus workers' compensation (WSIB, CNESST).
8.Paying Non-Residents: Part XIII and Branch Tax
When a Canadian company sends money abroad, Part XIII applies a flat 25% withholding tax to dividends, rents, royalties, management fees and non-arm's-length interest paid to a non-resident. The payer, not the recipient, is liable.
A genuine Canadian advantage: ordinary interest paid to an arm's-length non-resident is exempt from Part XIII, other than participating debt interest, so third-party financing leaves Canada without leakage.
Treaty relief. Dividends are commonly reduced to 5% where a corporate shareholder holds a specified minimum interest and 15% otherwise; royalties are frequently 10% or nil for certain categories. Relief requires beneficial ownership, must survive the MLI principal purpose test, and must be documented before payment rather than reclaimed after.
Withheld tax is remitted by the 15th of the following month; NR4 slips and Summary are due 31 March. Regulation 105 adds a 15% withholding on fees for services physically rendered in Canada by a non-resident, recoverable only by filing a Canadian return unless a waiver is obtained in advance.
Branch versus subsidiary. A non-resident operating through a Canadian branch pays normal corporate tax on its permanent establishment profits, then branch tax under Part XIV at 25% on after-tax profits not reinvested in Canada - mirroring the dividend withholding a subsidiary would bear. Treaties typically cut it to 5% and often exempt the first CAD 500,000.
9.Transfer Pricing, Interest Limits and Foreign Reporting
Cross-border groups face three constraints, and they apply cumulatively.
Transfer pricing. Section 247 requires non-arm's-length cross-border transactions to be priced at arm's length. Contemporaneous documentation must exist by the T2 due date - six months after year-end - and be produced within three months of a written CRA request. Without it, a penalty of 10% of the adjustment applies where net adjustments exceed the lesser of CAD 5 million and 10% of gross revenue. It is charged on the adjustment, not the tax, so it bites even in a loss year.
Interest deductibility, two tests:
1. Thin capitalisation — interest on debt owed to specified non-residents is deductible only to a 1.5:1 debt-to-equity ratio; disallowed interest becomes a deemed dividend subject to Part XIII.
2. EIFEL — the excessive interest and financing expenses limitation, in force for tax years beginning on or after 1 October 2023, caps net interest and financing expenses at 30% of adjusted taxable income, with a de minimis exclusion and a group ratio election.
Information returns: T106 for non-arm's-length transactions with non-residents above CAD 1 million; T1134 for each foreign affiliate, due ten months after year-end; T1135 where specified foreign property cost more than CAD 100,000. Each carries penalties assessed per return, whether or not tax was owing.
Canada rewards companies that settle their structure before they incorporate. The gap between a CCPC and a foreign-controlled corporation is worth double-digit percentage points of tax on the first half-million dollars of profit, and a GST/HST registration discovered two years late is uncollected tax paid out of your own margin. Astropel provides ASPE bookkeeping, T2 and provincial corporate returns, GST/HST and QST filing, payroll administration, and the non-resident withholding, NR4 and transfer pricing documentation that foreign-owned Canadian structures require.
A G7 economy built on trade. Canada has a gross domestic product of roughly CAD 3 trillion and about 41 million people, the fastest-growing population in the G7 thanks to immigration. Its defining asset is market access: through CUSMA, CETA with the European Union and the CPTPP, a company based in Canada reaches most of the developed world on preferential terms.
Where the activity is. Ontario and Québec together produce close to two-thirds of national output, with Toronto as the financial centre and Montréal a hub for artificial intelligence and aerospace. Alberta anchors energy and, at an 8% provincial rate, carries the lightest corporate tax burden in the country; British Columbia is the Pacific gateway.
Stable, predictable, not cheap. Canadian banking came through the financial crisis intact, and the country ranks near the top globally on rule of law and contract enforcement. Corporate tax is competitive within the G7 and SR&ED remains a generous R&D incentive - but wages, rents and energy in the major cities are firmly first-world.
What it means for a foreign investor. Incorporation is fast, federally under the CBCA or provincially, with no minimum capital. The real decisions are tax-driven: which province hosts the permanent establishment, subsidiary or branch, and how to plan around the fact that foreign control puts the small business deduction permanently out of reach.