Marc-Olivier Plante

Marc-Olivier Plante

Tax Law Trusts and Estates
Recognized Since Recognized in Best Lawyers since 2026

About Marc-Olivier

Marc-Olivier Plante is a member of our tax team. His practice encompasses all tax aspects of mergers and acquisitions, corporate financing, business reorganizations and international transactions. He also handles matters relating to estate planning and transfers of family businesses. Mr. Plante also assists a wide array of taxpayers in disputes with the tax authorities, particularly in income tax and consumer tax matters. He also advises taxpayers in connection with voluntary disclosures and tax audits.

Marc-Olivier Plante is a member of our tax team. His practice encompasses all tax aspects of mergers and acquisitions, corporate financing, business reorganizations and international transactions. He also handles matters relating to estate planning and transfers of family businesses. Mr. Plante also assists a wide array of taxpayers in disputes with the tax authorities, particularly in income tax and consumer tax matters. He also advises taxpayers in connection with voluntary disclosures and tax audits.

Office Locations

Reviews

4.5 / 5

0 Reviews

1,005 Profile Views

A

Amara Okonkwo

Jan 04, 2026

Always Available and Kept Me Informed Throughout

When I faced a complex tax audit for my small business, I was overwhelmed. Marc-Olivier Plante was incredibly responsive—he answered my emails within hours and scheduled calls promptly. He explained e...

H

Henrik Johansson

Jan 04, 2026

Deep Tax Knowledge Saved Our Family Business

Our family needed to transfer ownership of our manufacturing company to the next generation while minimizing tax liabilities. Marc-Olivier's expertise in estate planning and business transfers was exc...

Y

Yuki Nakamura

Jan 04, 2026

Negotiated a Favorable Settlement Beyond Expectations

I was involved in a dispute with tax authorities over income tax assessments that threatened my finances. Marc-Olivier Plante skillfully negotiated a settlement that reduced my liability by over 60%....

F

Fatima Al-Rashid

Jan 04, 2026

Compassionate Guidance During a Difficult Time

After my father passed away, I was struggling with estate planning and tax implications. Marc-Olivier showed genuine compassion and patience, listening to my concerns without judgment. He handled the...

D

Diego Alvarez

Jan 04, 2026

Utmost Professionalism in International Transaction

Our company engaged in an international merger with complex tax implications. Marc-Olivier Plante demonstrated impeccable professionalism throughout. His reputation for excellence was evident in his m...