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PLEASE NOTE: For everyone’s safety, Fasken requires anyone on-site at our Canadian offices to provide proof of full vaccination against COVID-19. This applies to lawyers, staff, clients, service providers and other visitors.

Tax Litigation and Dispute Resolution


Tax disputes call for careful assessment of exposure and appropriate negotiation with authorities, regardless of the jurisdictions involved. Many lawyers in the Fasken team have held senior positions at tax authorities in Canada. We’ve also won some of the most important tax rulings on behalf of businesses, setting precedents that clarify technical interpretations and benefit entire industries.


We assist clients at all stages of tax disputes, from audit to administrative appeal to litigation.


If you’re faced with an audit relating to corporate income taxes, GST/VAT or transfer pricing, we’ll advise you and help manage the proper process. If necessary, we can challenge decisions in court, including through judicial review.


We can also facilitate voluntary disclosure, obtain advance tax rulings, clearances and comfort letters that enable our clients to move forward with their business.


Our clients include leaders in the mining, corporate finance, energy and investment fund industries as well as start-ups in high-tech and life-sciences.


Visit our TaxEdInternational blog for analysis of the latest developments in tax law, or contact any of our lawyers with your questions about tax litigation and dispute resolution.

Best Lawyers Publication name with laurels The Best Lawyers in Canada Lists 14 of our Lawyers lists 14 of our lawyers in several related areas of practice, including Tax Law and Trusts and Estates
2016 to 2017 The International Tax Review Recognizes Tax Leaders recognizes two of our lawyers as Tax Controversy Leaders and two of our lawyers as Indirect Tax Leaders
2016 to 2017 Canadian Legal Lexpert Directory 14 Lawyers from our Tax Group Recognized as Leading Lawyers recognizes 14 Tax Group members as leading lawyers for their work in Corporate Tax, Litigation - Corporate Tax, Commodity Tax/Customs, Estate & Personal Tax Planning and Investment Funds & Asset Management (Tax Aspects)
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