Chambers Review
Provided by Chambers
Chambers High Net Worth
Private Wealth Law - Canada
Individual Editorial
Héléna Gagné is a partner in the tax team at Osler, Hoskin & Harcourt. Gagné advises wealthy clients on international tax planning.

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Provided by Héléna Gagné
With close to 15 years of exclusive focus on private wealth law, Héléna is a trusted advisor to high net-worth individuals, multigenerational families, and institutional trustees. She brings particular strength in estate planning for owner-managed businesses and cross-border structures. Héléna is widely recognized for her technical depth, client service, and leadership within the profession. She serves on the executive of STEP Montréal and the organizing committees for both STEP Canada and the Canadian Tax Foundation conferences on estates and trusts, and on the board of directors of the Association de planification fiscale et financière, a Quebec based association for professionals with taxation, and trust and estate expertise.
Also, Héléna was selected to moderate the keynote speaker session at this 2025 STEP Canada National Conference and continues to speak annually at the Canadian Tax Foundation and the Association de planification fiscale et financière trust and estate conferences.
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Provided by Chambers
Héléna Gagné is a partner in the tax team at Osler, Hoskin & Harcourt. Gagné advises wealthy clients on international tax planning.
Provided by Chambers
Héléna is a specialist in trusts, estate planning and international tax.
Héléna is incredibly knowledgeable, very engaging and is a good source of information. She is practical and goal-oriented.
Héléna is an excellent adviser to ultra high net worth families.
Héléna is a specialist in trusts, estate planning and international tax.
Héléna is incredibly knowledgeable, very engaging and is a good source of information. She is practical and goal-oriented.
Héléna is an excellent adviser to ultra high net worth families.