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There is no single Canadian “business registration” or universal low-cost compliance package for a foreign company. Your obligations depend on whether you operate through a branch or a Canadian subsidiary, where people and assets are located, what you sell, the province involved, and any applicable tax treaty. A foreign corporation can still have to file a Canadian T2 return even when it expects treaty relief, while GST/HST, payroll, withholding and provincial registrations follow separate tests.
This guide maps the main decisions and filings so you can budget and sequence a Canadian launch. It is general information, not a determination of tax residence, permanent establishment or treaty entitlement. For a specific structure or worker arrangement, confirm the facts with the Canada Revenue Agency (CRA) or a Canadian cross-border tax professional.
Start with the operating model: branch or Canadian subsidiary
Your first decision is how the foreign company will conduct Canadian activity. A branch means the existing foreign corporation carries on business in Canada without creating a separately incorporated Canadian legal entity. A subsidiary is a Canadian-incorporated corporation that contracts, employs people and files in its own name. Neither choice automatically eliminates other registrations or taxes.
Foreign corporation operating as a branch
A branch keeps the foreign company as the legal operator. That can avoid incorporating a new entity, but the Canadian tax and filing footprint remains. CRA establishment guidance says a non-resident corporation carrying on business in Canada without a separate Canadian-incorporated entity may face an additional 25% tax on the non-resident corporation, unless a treaty reduces it, in addition to applicable federal and provincial or territorial taxes. Treat 25% as the stated statutory additional tax, not as your final effective rate; the treaty, income type and facts control the result.
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A branch can also expose the foreign corporation directly to Canadian contracts, claims and regulatory obligations. You still need to assess T2 filing, GST/HST, payroll, service-payment withholding, extra-provincial registrations and licences.
Canadian-incorporated subsidiary
A subsidiary is a separate Canadian legal person. It normally has its own corporation income-tax account, books, contracts and returns. Incorporation does not by itself settle tax residency, permanent-establishment, GST/HST, employment, licensing or transfer-pricing questions. The subsidiary may need to register outside its incorporation province when it does business elsewhere.
Decision framework
Compare the structures using the facts that drive compliance rather than an assumed “cheapest” answer:
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| Question | Branch | Canadian subsidiary |
|---|---|---|
| Legal entity and liability | The foreign corporation remains the operator and bears direct Canadian exposure. | A separate Canadian corporation contracts and bears its own entity-level obligations, subject to guarantees and other legal facts. |
| Corporate income-tax filing | A non-resident corporation generally files a T2 when it carried on business in Canada or disposed of taxable Canadian property. Treaty exemption claims do not automatically remove the filing duty. | The Canadian corporation files its own T2 and may have provincial returns or accounts. |
| Additional branch tax | CRA describes a possible additional 25% tax, subject to treaty reduction. | The branch-specific additional tax does not apply merely because the parent owns the subsidiary; other taxes and rules still require analysis. |
| GST/HST and digital supplies | Registration depends on supplies and Canadian business facts, including special digital-economy rules. | The subsidiary analyzes the same GST/HST rules based on its own supplies and activities. |
| Workers and contractors | The foreign corporation may need payroll and withholding accounts when paying workers or non-resident subcontractors for Canadian activity. | The Canadian employer generally handles payroll and information reporting for its workers, while contractor classification remains fact-specific. |
| Registration and ongoing cost | No universal cost advantage is established; provincial registrations, returns and professional work may still be required. | Incorporation, annual corporate maintenance and extra-provincial registrations add work; no universal cost winner can be stated without current province and activity assumptions. |
Model expected revenue, personnel, inventory, contracts, investors, liability preferences, repatriation and treaty residence before choosing. Obtain current incorporation and registry fees directly from the relevant jurisdiction; average prices are not reliable planning figures.
Does a foreign company need to file a Canadian T2?
Usually, a non-resident corporation must file a T2 return if it carried on business in Canada or disposed of taxable Canadian property at any time in the tax year. This filing obligation can apply even when the company claims that a tax treaty exempts its Canadian business profits. CRA identifies Schedule 91 for a treaty-based exemption claim and Schedule 97 for information about the non-resident corporation’s Canadian income.
What counts as the filing trigger
- Canadian business activity, interpreted from the facts rather than from a single registration or office test.
- Disposition of taxable Canadian property during the tax year.
- A treaty position that removes or limits Canadian tax; the return is still used to disclose the position and claim the exemption.
Keep contracts, invoices, travel and personnel records, customer locations, asset registers and treaty-residence evidence that support the position. “No Canadian tax payable” and “no Canadian return required” are different conclusions.
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Deadline and payment distinction
The general T2 filing deadline is no later than six months after the end of the corporation’s tax year, which is its fiscal period. That date is a filing rule, not a universal payment date. Instalments, balances owing, withholding credits and information returns can have different due dates. Confirm the corporation’s fiscal period and CRA account instructions rather than applying six months to every Canadian obligation.
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CRA registration is an operational step separate from deciding whether tax is ultimately payable. A business incorporated or located outside Canada can use the CRA Non-Resident Business Registration process to request a business number and relevant program accounts. The available account types can include:
| Account | Typical purpose |
|---|---|
| RT | GST/HST registration and returns. |
| RP | Payroll deductions, remittances and related employer reporting. |
| RZ | Information returns, such as slips and summaries. |
| RC | Corporation income-tax administration, including T2 filing. |
| RU | Underused Housing Tax account for corporations when the rules apply. |
| PT | Global minimum tax account when the rules apply. |
Do not request every account by default. First document what you sell, where customers receive supplies, whether employees or contractors perform work, whether Canadian taxable income or property exists, and whether a special tax applies. CRA’s online registration availability and maintenance hours can change, so use the current Non-Resident Business Registration page when submitting or updating information.
Practical registration sequence
- Describe the legal operator. Record the foreign corporation’s legal name, jurisdiction, directors, fiscal year and Canadian activities. If a subsidiary will operate, keep its incorporation details separate from the parent’s.
- Map obligations. Identify income-tax, GST/HST, payroll, information-return, housing-tax and global-minimum-tax triggers before selecting program accounts.
- Apply for the business number and accounts. Use the current CRA non-resident process and retain confirmation of each account and effective date.
- Assign filing ownership. Name a responsible person or adviser for each return, remittance and CRA correspondence, with access to the records needed to support the filing.
- Revisit after launch. A new employee, warehouse, marketplace channel, Canadian contract or digital supply can change registration requirements.
GST/HST is a separate analysis from income tax
A company can be carrying on business in Canada for GST/HST purposes without reaching the same conclusion for income tax. Conversely, an income-tax analysis does not answer whether GST/HST must be collected. CRA’s non-resident GST/HST guidance describes registration for a non-resident that carries on business in Canada, makes taxable supplies in Canada and is not a small supplier under the normal rules. A non-resident that does not carry on business in Canada may still have to register under simplified digital-economy rules for certain supplies.
Facts CRA considers
- Where employees or agents are located.
- Where delivery and payment occur.
- Where transactions are solicited and contracts are made.
- Where inventory, servers or other business assets are held.
- Whether the company has a branch, office or other presence.
These are indicators, not a mechanical checklist. CRA states that whether a person is carrying on business in Canada is a question of fact requiring consideration of all relevant facts. A permanent establishment is not required in every case for GST/HST purposes.
Digital-economy supplies
Special measures can apply to cross-border digital products and services, short-term accommodation platforms and qualifying goods. The registration regime may be simplified or normal depending on the supply and the supplier’s Canadian activities. CRA’s older non-resident GST/HST guide does not cover every newer digital-economy measure; identify the supply type and follow the current CRA digital-economy guidance before relying on the older guide.
Returns, remittances and nil periods
For registered non-residents, the general CRA guide information is that GST/HST returns and amounts owing are usually due one month after the end of monthly or quarterly reporting periods. Annual filers generally have three months after fiscal year-end, subject to exceptions. A return is required for every reporting period, including a nil period. Use the filing frequency assigned to the account and verify exceptions before setting calendar reminders.
Quebec has an additional administration point: Revenu Québec generally administers GST/HST for businesses physically located there, subject to exceptions. A company serving Quebec should confirm which authority receives each return and payment.
Provincial and extra-provincial registration
Canada does not have one national registration that substitutes for provincial compliance. The broad corporate sequence is to incorporate federally or in a province or territory, obtain a federal business number and corporation income-tax account, register extra-provincially in other jurisdictions where the company plans to do business, and obtain applicable permits and licences. Some jurisdictions streamline parts of this sequence, but not all do.
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Quebec and Alberta administer their own corporate income-tax systems. A corporation earning income in either province generally deals with that province as well as the federal system. CRA administers corporate income tax for the other provinces and territories. The exact return package, allocation method and filing account depend on the entity and where it earns income.
Extra-provincial registration triggers
A foreign corporation or a Canadian corporation may need an extra-provincial registration where it maintains a physical location, employs people, regularly solicits business, holds inventory or otherwise carries on business. Each jurisdiction can set its own definitions, forms, registered-office or agent rules, annual returns, fees and deadlines. No single national checklist or fee can safely be substituted for the current registry instructions.
Permits and licences
Industry and municipal requirements can sit outside tax registration. Check federal, provincial, territorial and municipal permit systems for regulated products, professional services, transport, food, privacy, employment and premises. A tax account does not authorize a regulated activity.
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Services performed in Canada: withholding and payroll
Canadian service work creates a separate cash-flow and reporting issue. CRA guidance states that payments for services provided in Canada are subject to 15% withholding, remitted by the payer as an amount on account of the corporation’s potential Canadian tax liability. The 15% is not the corporation’s final effective income-tax rate. The corporation files its T2 to determine the actual balance or any refund after allowable credits and deductions.
When a payroll account may be needed
A corporation may need a payroll deductions account when, while carrying on business in Canada, it pays a resident or non-resident employee or a non-resident subcontractor. Assess each arrangement by looking at:
- Whether the worker is an employee or an independent contractor under the actual relationship.
- Where the individual physically performs services.
- Who directs the work, supplies tools and bears financial risk.
- Whether amounts are subject to withholding, information slips or remittances.
- Whether a treaty, waiver or special CRA procedure could affect the result.
For non-resident service providers, review the CRA T4A-NR guidance. For employees, use the current employer guidance for payroll deductions and remittances. Do not assume a contractor invoice removes Canadian withholding or payroll duties.
Operational controls
- Collect residency, address, contract, work-location and tax-status information before the first payment.
- Separate invoices for services physically performed in Canada from work performed elsewhere.
- Calculate and remit required withholding on schedule; retain proof of remittance.
- Track employee and contractor payments by person and calendar year for information returns.
- Reassess status when the worker’s location, duties, supervision or contract changes.
Building an affordable compliance budget
“Affordable tax” is not a fixed Canadian package. Your cost is the sum of government fees, tax remittances, accounting work, payroll administration, legal advice, registered-office or agent services, licences and the internal time needed to maintain records. The available official guidance does not establish a universal incorporation price, average accounting fee or cost winner between a branch and subsidiary.
Budget by obligation, not by entity label
| Budget line | What changes the amount | How to control it |
|---|---|---|
| Entity and provincial registration | Jurisdiction, entity type, extra-provincial locations, registered-office or agent requirements and annual returns. | Obtain current fee schedules and list every jurisdiction before launch. |
| Corporate income tax | Canadian activity, taxable property, branch treatment, treaty position, income allocation and filing complexity. | Maintain contemporaneous records and have a cross-border professional review the position. |
| GST/HST | Taxable supplies, customer and delivery locations, small-supplier status, digital-economy rules and reporting frequency. | Map each supply type and reconcile tax collected to returns every period. |
| Payroll and withholding | Worker status, work location, payment type, number of workers and remittance frequency. | Use a pre-payment checklist and calendarize remittances and slips. |
| Professional services | Number of provinces, treaty analysis, returns, bookkeeping quality and changes during the year. | Request a written scope covering filings, advice, correspondence and out-of-scope rates. |
Records that reduce avoidable work
- Board decisions and contracts identifying the operating entity.
- Customer, supplier and worker locations, with dates of Canadian activity.
- Invoices separating Canadian services, foreign services and taxable supplies.
- Travel, inventory, asset, office and agent records.
- GST/HST calculations, payroll registers, withholding remittances and filed returns.
- Treaty-residence certificates and analysis supporting any exemption claim.
Good records do not remove tax; they make the filing position explainable and reduce repeated reconstruction by advisers.
A launch checklist for a foreign company
- Define the facts. List customers, people, contractors, inventory, offices, agents, contracts, digital channels and expected Canadian revenue by province.
- Choose the legal operator. Compare branch and subsidiary consequences for liability, investors, repatriation, treaty exposure and filings; do not choose solely on an assumed tax rate.
- Test T2 exposure. Determine whether the foreign corporation carried on business or disposed of taxable Canadian property, and plan Schedule 91 or Schedule 97 where relevant.
- Set the fiscal period. Record the year-end and the six-month general T2 filing deadline, then separately calendar payment and instalment dates.
- Map GST/HST. Analyze taxable supplies, small-supplier status, Canadian business indicators and digital-economy rules independently from income tax.
- Register CRA accounts. Request only the business number and RT, RP, RZ, RC, RU or PT accounts that the documented activities require.
- Register provincially. Complete incorporation or extra-provincial registrations and confirm annual returns, registered-office or agent requirements and licences in every operating jurisdiction.
- Set up worker controls. Classify employees and contractors, identify services performed in Canada, arrange 15% service-payment withholding where applicable and establish payroll remittance procedures.
- Build the evidence file. Store contracts, location data, invoices, tax calculations, remittance confirmations and treaty documents in a retrievable system.
- Review after changes. Recheck registration and filing duties when adding staff, inventory, an office, a marketplace, a new province or a new digital supply.
Common mistakes and how to correct them
“The treaty means we do not file a T2.”
Incorrect. A treaty may limit tax, but CRA can still require the T2 and supporting schedules. File the required return and state the treaty position in the appropriate schedule.
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“A business number means every tax is covered.”
Incorrect. The business number identifies the CRA relationship; RT, RP, RZ, RC, RU and PT accounts address different programs. Register and file according to the activities that actually occur.
“GST/HST follows the income-tax answer.”
Incorrect. GST/HST has its own carrying-on-business and supply tests, including digital-economy rules. Perform a separate analysis and monitor nil-return obligations.
“A contractor invoice is never subject to withholding.”
Incorrect. Services performed in Canada can trigger 15% withholding, and a non-resident subcontractor can create payroll-account obligations. Review location and worker status before payment.
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“Federal incorporation covers every province.”
Incorrect. A corporation can need extra-provincial registrations and provincial permits where it operates. Quebec and Alberta also have distinct corporate income-tax administration.
“The 15% withholding is our tax rate.”
Incorrect. It is a payment on account of potential Canadian corporate tax. The T2 determines the final balance or refund.
When to obtain Canadian professional advice
Get a cross-border Canadian CPA or tax lawyer involved before signing Canadian contracts when the company expects recurring services, employees, inventory, an office, an agent with contracting authority, substantial digital sales, a treaty exemption or activity in multiple provinces. Ask for a written scope covering branch or subsidiary analysis, T2 and treaty schedules, GST/HST, payroll and withholding, provincial registrations, records and CRA correspondence. Verify current credentials, province coverage and experience with non-resident corporations rather than relying on a generic bookkeeping package.
Reconfirm the position whenever facts change and check current CRA and provincial guidance before filing. Rates, forms, thresholds, digital-economy regimes and registration procedures can change.
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