US Citizen Owning a Canadian Corporation: IRS Tax Rules

Can a US citizen in Canada own a Canadian-controlled private corporation?

Yes. US citizenship alone does not stop a Canadian corporation from being a Canadian-controlled private corporation (CCPC). The key Canadian question is whether the owner is resident in Canada and whether non-residents, public corporations or certain listed corporations control it. A US citizen who lives in Canada can be a Canadian resident for this purpose; citizenship and residence are different tests. Review all voting rights and indirect ownership, not just the owner's address (CRA: type of corporation).

CCPC status determines access to Canada's small business deduction, but it does not decide the US controlled foreign corporation (CFC) test. A company can be both a CCPC in Canada and a CFC for US tax. See US owners of foreign companies for the ownership tests and Form 5471 categories.

What does the IRS tax when the corporation keeps its profits?

If the Canadian corporation is a CFC and you are a US shareholder under the US rules, the IRS can tax your share of certain corporate income in the year the corporation earns it, even if you receive no cash. The two main current-income rules are Subpart F and net CFC tested income under section 951A, formerly called GILTI (US Code: section 951A). A CFC fiscal year that began before 2026 may still bring prior-law calculations into a 2026 US return. Some IRS forms still use the older GILTI label.

Canadian corporation tax belongs to the corporation. An individual shareholder generally cannot claim the corporation's Canadian tax as a direct personal foreign tax credit. The section 250 deduction of 40% and the section 960 deemed-paid credit of 90% are written for domestic corporations. An individual may access corporate-style treatment through a section 962 election for a tax year; it can also affect later distributions. The owner makes it by attaching a statement to that year's US return (US Code: sections 250 and 960; eCFR: section 1.962-2). See US owners of foreign companies for the detailed inclusion and election rules.

Does Canadian corporate tax qualify for the US high-tax exclusion?

Possibly. A CFC's income item can be left out of the net CFC tested income calculation only if a high-tax election is effective and that item's US-calculated effective foreign tax rate is greater than 18.9%. The rule compares foreign income tax on the item with income computed under US rules; it does not simply read the rate on a Canadian T2 (eCFR: high-tax exclusion).

The election, the corporation's tax base, deductions, credits, branches and any tax later refunded can change the result. Canadian tax that is refundable when a dividend is paid needs separate analysis; an expected refund cannot simply be treated as permanently paid tax (IRS: Publication 514; CRA: refundable dividend tax).

The controlling US shareholders make the high-tax election for the CFC year by filing a statement with a timely original US return. An amended return can make it within 24 months of the original return's unextended due date, subject to the other shareholders' filing and payment requirements. The election covers the CFC's tested income items for that year, and a CFC group may have to elect together (eCFR: section 1.951A-2(c)(7)(viii)).

Why can the small business rate cause a different US result?

The Canadian small business deduction lowers corporate tax on qualifying active business income, which can leave the same income below the US high-tax threshold. General-rate income is more likely to clear it, but only the item's effective rate decides. British Columbia illustrates the difference; other provinces, and Quebec's separate rules, require their own figures (CRA: corporation tax rates; BC: corporate rates).

Paying more Canadian tax solely to reach the US threshold is not automatically beneficial. The Canadian and US effects must be calculated together. For Canadian eligibility and rates, see How corporations are taxed.

Should a US-citizen owner take salary or dividends?

There is no fixed winner. Reasonable salary for work may reduce corporate profit and a current US CFC inclusion, but creates employment income and possible Canadian payroll costs. A dividend does not reduce corporate profit and may follow an earlier US inclusion; Canadian personal tax can arise when paid. Compare both countries' corporate and personal tax, payroll costs and timing (Income Tax Act, section 67; US Code: section 951A). A dividend cannot use the US foreign earned income exclusion (IRS: foreign earned income).

The amount and timing should be set with both returns in view. For the Canadian owner-manager choice, see Salary or dividends. For the US credit versus exclusion on salary, see Americans living in Canada.

How are Canadian dividends taxed on the T1 and Form 1040?

A taxable dividend from a Canadian corporation goes on the Canadian resident's T1, with the applicable gross-up and dividend tax credit. The corporation reports dividends on a T5 when required. The US Form 1040 generally starts with the actual dividend received, not Canada's grossed-up T1 amount. A Canadian corporation's dividend may qualify for reduced US qualified-dividend rates if the corporation and the owner's holding period meet the US conditions; check this rather than assuming it (CRA: dividend reporting; CRA: T5 slip rules; IRS: Publication 550).

If the US already taxed the same earnings under Subpart F or section 951A, a later distribution can be previously taxed earnings and profits (PTEP) and excluded from US gross income. Canada determines the payment's tax treatment separately: a taxable dividend goes on the T1, while a valid capital dividend may be tax-free. US PTEP status alone does not settle that result (CRA: capital dividends). A section 962 election can make some PTEP taxable again when distributed (US Code: sections 959 and 962). Exchange-rate changes can also create separate US ordinary gain or loss on a PTEP distribution (US Code: section 986(c); IRS: Form 5471 instructions).

Your Canadian personal tax on a dividend may be creditable against US tax on the same income, subject to US foreign tax credit limits. The treaty generally preserves US tax on its citizens under Article XXIX(2), while Article XXIV sets credit ordering and can re-source income to relieve double tax. Canadian corporate tax is a different taxpayer's tax. If Canada taxes a PTEP dividend that the US excludes, the owner may claim credit for qualifying Canadian personal tax on Form 1116, subject to US credit limits. For PTEP from a section 951A inclusion after June 28, 2025, section 960(d)(4) disallows 10% of the related foreign tax. Track PTEP and taxes by inclusion year and category (IRS: Form 1116 instructions; US Code: section 960(d)(4); Canada–US treaty).

How do the T2, T1 and Form 1040 line up?

The Canadian corporation and its owner have separate tax years and separate income. The T2 uses the corporation's Canadian tax year; the owner's T1 and Form 1040 generally use calendar years. For US tax, section 898 generally makes a CFC controlled by a calendar-year US shareholder use a calendar year, even if its T2 has another year-end. The former one-month deferral was repealed for specified foreign corporation years beginning after November 30, 2025, and the transition may create a short US year. Bridge each US CFC period to the relevant T2 periods (US Code: section 898). For CFC years beginning after 2025, an inclusion follows the owner's US year containing the last day they owned stock during the CFC year; an earlier-starting year follows the prior timing rule. Salary and dividends generally follow the year received (CRA: T2 filing year; US Code: section 951).

Keep the T2, financial statements, ownership records, payroll and T5 slips, Canadian tax assessments, prior Form 5471 schedules and PTEP accounts, and both personal returns. Translate US reportable amounts using the applicable IRS currency rules, not one convenient rate for every line (IRS: Form 5471 instructions).

What if the corporation keeps investment income?

Retained interest, portfolio dividends, rents and many investment gains can trigger a Subpart F inclusion for a US owner of a CFC before any dividend. Subpart F has a separate high-tax election made by the controlling US shareholders with an original or amended return; certain US-source portfolio interest cannot qualify. The net CFC tested income election does not by itself resolve investment income (US Code: section 954; eCFR: section 1.954-1(d)).

Canada also taxes a CCPC's investment income under rules that can create refundable dividend tax balances and reduce its future small business limit. That makes the eventual dividend and refund relevant to the US tax analysis (CRA: refundable dividend tax; CRA: T2 guide). For a holding company or retained-earnings investment plan, see Holding and investment corporations. If the corporation holds Canadian mutual funds or ETFs, a US owner may also have indirect PFIC reporting (IRS: Form 8621 instructions); see Funds bought outside the US.

Which returns and forms are due each year?

A Canadian-resident corporation normally files a T2 even in a no-tax year. The US-citizen owner generally files a Canadian T1 and US Form 1040 when filing requirements apply, and may need Form 5471 even if the corporation pays no dividend. Match the corporate year-end to the owner's US return before filing (CRA: T2 filing requirement; IRS: Form 5471 instructions).

If earlier Form 5471 filings may be missing, see Catching up on missed US returns for the reporting options.

Example

Illustrative only. All amounts are Canadian dollars; no US tax is computed. A US citizen resident in British Columbia owns all shares of a Canadian corporation. The company earns C$100,000 of active business profit before owner pay and keeps it. Assume the same profit is taxable in both countries, no other deductions or credits, and no investment income.

If the income qualifies for the Canadian small business rates, federal and BC tax total C$11,000, leaving C$89,000 in the company. That headline tax rate is 11%, below the US high-tax threshold of 18.9%. The owner may have a current US section 951A inclusion without taking a dividend. If the income instead bears the general rates, federal and BC tax total C$27,000, a headline rate of 27%. That may support a high-tax exclusion, but only after the US item-level calculation and election. Neither Canadian amount is automatically the owner's personal US credit.

In the small-business-rate case, if the US actually taxes at least C$40,000 of those earnings to the owner and the corporation later pays a C$40,000 taxable dividend from them, Canada reports it on the T1. The US may exclude it as PTEP, but a section 962 election or currency gain can change the US result. Records must identify which year's earnings funded it.

Different for you?

• You are deciding whether to form or restructure the corporation: compare Canadian tax, US inclusions and owner pay before changing shares or elections. See Cross-border tax.
• You want the detailed CFC, Form 5471 or section 962 rules: see US owners of foreign companies.
• Your corporation has US business activity: it may need Form 1120-F even if a treaty exempts its US business profits (IRS: Form 1120-F instructions). See Canadian corporation US tax return.
• You have missed US returns or Form 5471: see Catching up on missed US returns.
• You may report the corporation's bank accounts or shares: see Foreign account reporting.
• The corporation holds funds or you plan to invest retained profits: see Funds bought outside the US and Holding and investment corporations.
• You may sell the corporation's shares: Canada's capital gains deduction for qualifying shares does not itself exclude the gain from US worldwide income (CRA: qualifying shares; IRS: Publication 54). Have both countries reviewed before a sale through Cross-border tax.