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John Sorensen is the leader of Gowling WLG Canada's national Tax Group and a member of the firm’s conflicts committee.

He has been ranked by the Best Lawyers in Canada in the area of taxation law and as one of the leading tax controversy professionals in Canada by International Tax Review.A partner based in Gowling WLG's Toronto office, John provides prudent advice and expeditious, cost-effective solutions to tax problems. He is a leading expert on rectification and rescission order applications and voluntary disclosures, with extensive experience resolving income tax and GST/HST disputes at the audit and appeal stages, as well as before the Courts. He also acts on behalf of tax practitioners who are alleged to have provided mistaken tax advice. John is past chair of the Ontario Bar Association Tax Section Executive.

He has spoken and written on tax dispute resolution topics for the Canadian Tax Foundation's national and regional conferences, the Ontario Bar Association, the Canadian Association of Business Economics and the C.D. Howe Institute. He also serves on the editorial boards of Thomson Reuters' Tax Litigation Journal and the Canadian Institute Tax Controversies and Disputes Newsletter.

Location
  • 1 First Canadian Place
    100 King Street West, Suite 1600
    Toronto, ON M5X 1G5
    Canada
Languages
  • English
Bar Admissions
  • Ontario, 2006
Affiliations
  • Advocates' Society - Member
  • Canadian Institute - Tax Controversies and Disputes Journal
  • Canadian Tax Foundation - Member / Writer / Speaker
  • Ontario Bar Association Tax Section - Past Chair
  • Thomson Reuters - Editorial Board - Tax Litigation Journal

Gowling WLG
Headquarters: Toronto, Ontario

289 The Best Lawyers in Canada awards

58 Best Lawyers: Ones to Watch in Canada awards

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Recognized in The Best Lawyers in Canada 2025 for work in:
  • Tax Law
Awards:
  • Best Lawyers in Canada 2016
  • International Tax Review - Tax Controversy Leader 2015
  • International Tax Review - Tax Controversy Leader 2014
  • International Tax Review - Tax Controversy Leader 2013
  • Best Lawyers in Canada 2017

Publications

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