What are the EIFEL rules and how will they affect Canadian businesses?
Tax alertWhat are the EIFEL rules and how will they affect Canadian businesses?

When your business operates in more than one country, tax complexity and risk increase significantly. Managing different tax systems, reporting requirements, and evolving global rules can impact your cash flow, profitability, and ability to grow.
Regardless of your size or where you operate, not having a clear international tax strategy can be costly. Whether you're expanding abroad in Canada, restructuring your operations or planning an exit, we can support you. Our team's deep expertise can help you understand how the rules interact as well as how to structure your business to reduce risk, strengthen compliance, manage your global effective tax rate, and protect value.
The international tax environment is changing rapidly, from the global minimum tax rules to treaty developments and understanding legal and administrative requirements for the jurisdictions you’re operating in. We can help you build a tax-efficient strategy that considers these complexities and aligns with your business objectives.
| Are you expanding your Canadian business abroad? (outbound) | Are you growing your international business or investing in Canada? (inbound) |
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If you’re operating or investing outside Canada, understanding how domestic and foreign tax rules interact is critical.
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Establishing or expanding operations in Canada requires careful planning—from determining your tax footprint to structuring investments and managing compliance.
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We can help you:
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We can help you:
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Our teams have helped multinational clients of varying size and industries, including technology, private equity, manufacturing, and more.
Part of the Grant Thornton International Ltd. network, one of the world’s largest tax and advisory networks.
There’s no one-size-fits-all. We get to know your unique challenges so you’re ready to seize opportunities as they come.

Cross-border personal tax
What are the EIFEL rules and how will they affect Canadian businesses?