Three Canadian flags in front of a business building
Three Canadian flags in front of a business building
Three Canadian flags in front of a business building

McMillan’s Tax Group is a leading source of tax advice in Canada, engaging with companies from a range of industries, including the financial, automotive, pharmaceutical, private equity and natural resources sectors. As one of the top tax law firms in Canada our tax lawyers have been recognized as leading advisers by The International Tax Review, The Martindale-Hubbell Legal Directory, The Legal 500 and The Canadian Legal LEXPERT Directory.

With expertise in substantive tax law, tax administration, court procedure and tax policy, our tax team prioritizes understanding the clients’ business objectives to provide effective advisement and minimize the tax risk associated with our clients’ domestic and international business activities.

McMillan’s tax lawyers are recognized leaders in helping clients manage complex sales and commodity tax challenges. We provide clients with pragmatic advice on matters relating to customs duties, harmonized sales tax (HST), goods and services tax (GST), Quebec sales tax, British Columbia provincial sales tax, federal excise tax and duties, provincial land transfer taxes and other provincial taxes, such as those on gasoline, fuel and tobacco.

Our expertise doesn’t stop at the 49th parallel. McMillan’s Tax Group is one of Canada’s leading cross-border taxation practices with extensive experience implementing a full range of cross-border transactions, including mergers and acquisitions, financings, reorganizations and spin-offs.

McMillan provides comprehensive Canadian business tax advice on:

  • International tax law advisement and planning for Canadian enterprises
  • Optimizing the tax efficiency of foreign enterprises’ Canadian operations
  • Guiding the tax structuring of mergers and acquisitions, and commercial reorganizations
  • Transfer pricing matters
  • Tax-efficient structuring of corporate finance and capital markets transactions
  • Sales and commodity taxation matters, including GHT/HST compliance measures and ruling requests, voluntary disclosures, audits, objections and appeals, and advising on specialized tax legislation
  • Advance ruling requests, voluntary disclosures, audits, objections and appeals
  • Federal and provincial payroll taxes.

We also advise clients at every stage of the tax dispute resolution process, from audits through to administrative appeals and court challenges, routinely enjoying great success in resolving tax disputes with Canada’s federal and provincial revenue authorities.

McMillan’s Tax Litigation and Advocacy team combines expertise in tax administration, court procedure, substantive tax law and tax policy to assist with audits, and provide expert advice on administrative appeals and court challenges. Our tax litigators are tireless advocates as well as highly experienced practitioners with broad tax litigation experience gained from appearing before all levels of Canadian courts.

Deals and Cases

Insights (10 Posts)View More

Featured Insight

Budget 2024: Legislative Changes of Note for Investment Funds

In Budget 2024, the Government acknowledges that the restrictions placed on the property that may be held by registered plans have become unduly complex.

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Apr 19, 2024
Featured Insight

Budget 2024: Synthetic Equity Arrangement Restrictions Tightened

Budget 2024 proposes to tighten the “synthetic equity arrangement” anti-avoidance rule by eliminating the no “tax-indifferent investor” exception.

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Apr 19, 2024
Featured Insight

Budget 2024: Increases in the Taxation of Capital Gains

Budget 2024 proposes to significantly change how capital gains are taxed under the Income Tax Act (Canada).

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Apr 19, 2024
Featured Insight

Budget 2024: Expanded Relief for Non-Resident Service Providers

Budget 2024 will expand the circumstances under which relief may be granted from withholdings on payments made to non-residents that render services in Canada.

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Apr 19, 2024
Featured Insight

Budget 2024: Government Audit Powers to be Significantly Enhanced

The Government has proposed to significantly expand the audit powers of the CRA and heighten the consequences of not complying with requests made by the CRA.

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Apr 19, 2024
Featured Insight

Budget 2024: New Measures Addressing Bonus Tax Depreciation and Crypto-Assets

Budget 2024 announced new measures to accelerate tax depreciation as well as certain measures applicable to crypto-asset investments.

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Apr 19, 2024
Featured Insight

Budget 2024: Clean Energy Incentives and Resource Sector Measures

Canada’s transition to a net-zero economy remains a priority of the government, and Budget 2024 contains measures aimed at facilitating that ongoing transition.

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Apr 19, 2024
Featured Insight

Warning For Businesses: Companies Can be Liable for Tort of Bribery Even if They Did Not Intend to Pay or Receive a Bribe

Businesses with a duty to provide impartial advice must take steps to ensure the payments they make or receive are not later interpreted as bribes.

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Apr 12, 2024
Featured Insight

Foreign Investment in the EV Battery Market: Regulatory Framework in North America and Canada’s Strategic Edge

Explore Canada & U.S. electric vehicle battery market growth, incentives, and foreign investment regulations. Strategic insights for Indo-Pacific companies.

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Apr 10, 2024
Featured Insight

Canada’s Luxury Tax on Aircraft: A Primer for Non-Canadian Sellers and Brokers

Outlines potential implications for non-Canadian parties to common aircraft transactions under the Canadian federal Luxury Tax.

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Nov 15, 2023