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Anne-Sophie Villeneuve

Associate, Tax Litigation, Montreal

Professional experience
Anne-Sophie is a lawyer in the Tax Controversy and Litigation practice of Deloitte Legal Canada LLP. Anne-Sophie practices tax law with a focus on tax litigation and controversy, from the audit and objection stages to tax appeals and judicial reviews before the courts. She regularly assists clients in resolving tax disputes, both in and out of Court, and in managing complex tax audits.

Anne-Sophie has represented clients in a wide variety of industries in domestic and international disputes involving federal and provincial tax authorities. She has acted in matters before the Tax Court of Canada, the Federal Court, the Federal Court of Appeal, the Court of Québec and the Québec Court of Appeal.

Prior to joining Deloitte Legal, Anne-Sophie practiced tax litigation and controversy at a major national law firm.

Anne-Sophie is an active speaker and presenter at various conferences including for the Association de planification fiscale et financière and the Canadian Tax Foundation.

Education:

  • In-Depth Tax Course, CPA Canada (2020)
  • Called to the Barreau du Québec (2016)
  • McGill University Faculty of Law, BCL/LLB (2015)

Recognitions

  • Maxwell Cohen Award (2015), McGill University Faculty of Law
  • Prix Wilson & Lafleur (2013), McGill University Faculty of Law
  • Dean’s Honour List (2013), McGill University Faculty of Law

Professional Affiliations

  • Barreau du Québec
  • Canadian Tax Foundation (CTF)
  • Association de planification fiscale et financière (APFF)

Professional Involvement

  • President of the APFF Young Practitioners Committee
  • Member of the APFF Board of Directors

Publications and Speaking Engagements

  • CTF, “Objection! Ou comment assurer une preuve légale” [“Objection! Or How to Ensure the Presentation of Legal Evidence”] (October 17, 2024)
  • APFF, “Règles particulières anti-évitement” [“Specific Anti-Avoidance Rules”] (September 24, 2024)
  • APFF, 2022 Annual Convention, “Traitement fiscal des paiements incitatifs à la location” [“Tax Treatment of Tenant Inducement Payments”] (October 5, 2022)
  • APFF, 2021 Annual Convention, “Gestion d’attributs fiscaux et mesures d’aide gouvernementale: stratégies pour éviter les pièges et apprivoiser les nouvelles règles” [“Managing Tax Attributes and Government Assistance Measures: Strategies to Avoid Pitfalls and Master New Rules”] (October 8, 2021)
  • “Entrée en vigueur de la Directive CTF-2008 de Revenu Québec sur les transactions : meilleures protections pour les contribuables et nouvelles exigences” [“Entry into Force of the Revenu Québec CTF-2008 Directive on Settlements: Better Protections for Taxpayers and New Requirements”], Stratège APFF (2021), Volume 26, no 4.
  • “La pénalité de l’article 160.01 L.I.R. : quel impact sur les planifications de protection d’actifs?” [“The Section 160.01 ITA Penalty: What Impact on Asset Protection Planning?”], Stratège APFF (2025), Volume 30, no 1.