Do I need to file US taxes if my Canadian corporation sells to US customers?

It depends on whether you have a 'Permanent Establishment' (PE) or 'nexus' in the US. Even without a PE, you may need to file a protective US corporate tax return (Form 1120-F) to claim treaty benefits and avoid potential penalties.

What is the Canada-US Tax Treaty?

The treaty prevents double taxation for individuals and corporations operating in both countries. It allows you to claim foreign tax credits in Canada for taxes paid in the US, and vice versa.

Should I set up a US subsidiary (C-Corp or LLC)?

LLCs are often problematic for Canadian residents due to double taxation issues, as the CRA views LLCs as corporations while the IRS views them as flow-through entities. A C-Corp is typically the preferred structure for Canadian businesses expanding into the US.

What are the withholding tax rules on dividends paid to Canada?

Under the Canada-US Tax Treaty, the standard 30% US withholding tax on dividends paid to a Canadian resident is generally reduced to 15%, and can be further reduced to 5% if the Canadian parent company owns at least 10% of the voting stock of the US subsidiary.

Cross-Border Tax Advisory

Seamless
Cross-Border Expansion.

Expanding into the U.S. brings immense opportunity, but also complex tax liabilities. We structure your cross-border operations to minimize double taxation and ensure strict IRS and CRA compliance.

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Prevent double taxation with treaty benefits.

Navigating Two Tax Systems

Operating across the border means dealing with two distinct tax codes, state/provincial laws, and international treaties. A single mistake can lead to massive penalties.

Entity Structuring

Should you operate as a Canadian branch, or set up a US C-Corp? We analyze your specific operations to determine the most tax-efficient corporate structure.

Transfer Pricing

If your Canadian and US entities transact with each other, those transactions must be at 'arm's length'. We help establish and document compliant transfer pricing policies.

Treaty Compliance

We leverage the Canada-US Tax Treaty to prevent double taxation, manage withholding taxes on dividends/royalties, and file necessary protective returns.

The Danger of the LLC Trap

Many Canadian entrepreneurs make the critical mistake of opening a US Limited Liability Company (LLC) because they read online that it's the easiest and cheapest option. While true for US residents, an LLC is a tax disaster for a Canadian resident.

The IRS views an LLC as a "flow-through" entity, meaning the income flows directly to your personal tax return. However, the CRA views a US LLC as a foreign corporation. This mismatch means you will be taxed personally in the US, and then your LLC will be taxed as a corporation in Canada, and you will not be able to claim proper Foreign Tax Credits. You end up being double-taxed on the exact same income.

The Solution: C-Corps and Limited Partnerships

At Teixeira Accounting, we guide you away from these traps. Depending on your business model (e-commerce, SaaS, real estate, or consulting), we typically structure your US expansion using a US C-Corporation as a subsidiary of your Canadian operating company, or utilize specific Limited Partnership structures. This ensures profits can be repatriated to Canada efficiently under the Canada-US Tax Treaty.

Protective Treaty Returns (Form 1120-F)

Even if you don't have a physical office in the US, if you are doing significant business there, the IRS might argue you have a Permanent Establishment (PE). We file protective 1120-F returns. This tells the IRS: "We are doing business here, but under the Treaty, we don't owe you tax." If you fail to file this, the IRS can deny your treaty benefits and tax your gross revenue.

Canada-US Tax Treaty Savings Estimator

See the financial impact of proper treaty compliance and Foreign Tax Credits (FTC) to avoid double taxation.

U.S. Sourced Net Income (CAD)$250,000

Apply Canada-US Tax Treaty (FTC)

Failing to file proper treaty-based returns (like Form 1120-F) can result in the denial of treaty benefits, leading to severe double taxation.

U.S. Tax Paid (IRS)$52,500

Canadian Tax (CRA)$13,750

Total Tax Burden (Optimized)$66,250

You saved $52,500 by properly claiming Foreign Tax Credits.

This tool is for general information only and does not replace professional tax or accounting advice.

Why Teixeira Accounting for Cross-Border?

Cross-border tax is highly specialized. A standard domestic accountant will miss the nuances of foreign affiliate reporting (T1134), foreign property reporting (T1135), and state-level economic nexus laws.

We have deep expertise in the Canada-US Tax Treaty. We don't just file the forms; we proactively architect your corporate structure to ensure that as your US revenues scale, your global effective tax rate remains as low as legally possible.

The Teixeira Advantage

Holistic View

We look at both sides of the border simultaneously to prevent double taxation and maximize Foreign Tax Credits.

State Nexus Monitoring

We track your US sales to ensure you comply with state-level sales tax (Wayfair decision) even if you don't owe federal tax.

Transfer Pricing Defense

We establish defensible management fees and cost-sharing agreements between your Canadian and US entities.

Cross-Border Tax FAQs

Expand With Confidence.

Don't let cross-border tax complexities slow your growth. Partner with our experts to structure your US expansion correctly.

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Seamless Cross-Border Expansion.