Department profile
Osler, Hoskin & Harcourt LLP

Restructuring/Insolvency

Global Guide 2026 : Canada


Osler, Hoskin & Harcourt LLP

Rankings

About

Provided by Osler, Hoskin & Harcourt LLP

Osler’s Insolvency & Restructuring Group is a leading multi-disciplinary practice offering top-tier legal expertise in all aspects required to resolve the most compelling business challenges. The team-based, multi-disciplinary approach delivers innovative and integrated solutions for complex business-critical matters.

The team is relied upon as tested and trusted advisors to corporations, purchasers of distressed assets and loans, bondholders, directors, senior executives, in-house counsel, credit and investment officers and fund managers, as well as other professional advisors, court-appointed officers and regulators. Osler is the first port-of-call among the top Canadian and US-based traditional lenders, bondholders and for major private equity players and investment funds seeking to protect their interests or make a play for distressed assets. 

Chambers Review

Provided by Chambers

Restructuring/Insolvency - Canada

Band 1

Band 1


What the Team is Known For

Osler, Hoskin & Harcourt operates an outstanding restructuring and insolvency practice that is recognised for its consummate ability to manage a wide variety of complex restructuring and insolvency mandates on behalf of an impressive portfolio of financial advisers, private equity firms and major hedge funds. The group offers strong coverage across Canada, with highly praised restructuring and insolvency lawyers in its Calgary, Montréal, Vancouver and Toronto offices. It also has an impressive track record of acting for debtors and court-appointed monitors on CCAA filings, and is active on both high-end and mid-market transactions. The team has notable experience acting for lenders in high-profile insolvency proceedings, as well as handling bondholder mandates and retail insolvency matters.

Work Highlights

Provided by Chambers

  • Osler, Hoskin & Harcourt continued to represent Imperial Tobacco Canada Limited and Imperial Tobacco Company Limited in CCAA proceedings.

Strengths

Provided by Chambers

  • The team were able to work at the pace and complexity required.

    Restructuring/Insolvency respondentGlobal
  • Their client-first approach made it easy to accurately achieve the objective.

    Restructuring/Insolvency respondentGlobal

Notable Practitioners

Provided by Chambers

  • Band 1Marc Wasserman
    Band 1Marc Wasserman

    Marc Wasserman

    Marc Wasserman is consistently active on high-value and highly significant cross-border restructuring matters. He has acted on mandates arising in industries as diverse as cannabis, manufacturing, transportation and tobacco. Based in Toronto, Wasserman leads the national insolvency and restructuring group at Osler.
    • Mark is very effective.

      Restructuring/Insolvency respondentGlobal
    • Marc is a natural born problem-solver.

      Restructuring/Insolvency respondentGlobal
  • Band 1Tracy Sandler
    Band 1Tracy Sandler

    Tracy Sandler

    Tracy Sandler represents numerous prominent companies in high-profile CCAA proceedings and also acts for receivers. She is based in Toronto.

    • Tracy is a real professional, a seasoned expert and strong negotiator.

      Restructuring/Insolvency respondentGlobal
    • She is one of those minds that has seen every problem.

      Restructuring/Insolvency respondentGlobal
  • Band 2Mary Buttery
    Band 2Mary Buttery

    Mary Buttery

    Mary Buttery KC is based in Vancouver and has a respected practice representing clients in the mining and real estate spaces in CCAA proceedings and advising on receiverships.

    • Mary is an expert across the board.

      Restructuring/Insolvency respondentGlobal
    • Mary is incredibly knowledgeable and always thinks of issues from different angles to ensure the best solutions.

      Restructuring/Insolvency respondentGlobal
  • Band 2Sandra Abitan
    Band 2Sandra Abitan

    Sandra Abitan

    Osler's Montréal managing partner Sandra Abitan is noted for the wealth of her experience in relation to retail insolvency matters. She is widely acknowledged as one of the leading lawyers in this field in Québec.
    • Sandra is a tremendous lawyer.

      Restructuring/Insolvency respondentGlobal
    • She is a very strong professional with the ability to coordinate complex matters.

      Restructuring/Insolvency respondentGlobal
    • Sandra is very fast to come back to you and has a great business sense.

      Restructuring/Insolvency respondentGlobal
  • Band 4Jeremy Dacks
    Band 4Jeremy Dacks

    Jeremy Dacks

    Jeremy Dacks is a respected litigator who often acts in major CCAA proceedings. He is based in Toronto, where he has a wealth of experience assisting with litigation matters up to the Ontario Superior Court and Ontario Court of Appeal.

  • Band 4Michael De Lellis
    Band 4Michael De Lellis

    Michael De Lellis

    Michael De Lellis handles a variety of work which includes acting for distressed companies in CCAA proceedings. He is based in Toronto.
  • Band 6Martino Calvaruso
    Band 6Martino Calvaruso

    Martino Calvaruso

    Martino Calvaruso practises from the Toronto office and acts for clients in both CCAA and Chapter 11 proceedings.

Ranked Individuals at Osler, Hoskin & Harcourt LLP (7)

Canada

Members

Provided by Osler, Hoskin & Harcourt LLP

Osler, Hoskin & Harcourt LLP has rankings in the following guides

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