Atty. Mark Fennessy

Atty. Mark Fennessy

Mark Fennessy is the co-head of the London Finance, Restructuring and Special Situations Group. He focuses his practice on contentious and non-contentious restructuring and insolvency matters.

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Profile Summary

About Mark Fennessy at a glance

Mark Fennessy is a bankruptcy attorney, practicing at McDermott Will & Schulte. Recognitions include Best Lawyers in America — Insolvency and Restructuring Law (2025). Serands clients in London and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Mark Fennessy is the co-head of the London Finance, Restructuring and Special Situations Group
  • He focuses his practice on contentious and non-contentious restructuring and insolvency matters
  • He has particular experience in multifaceted group collapses and global insolvency issues
  • He has been involved in a number of high-profile assignments for banks, funds and various strategic parties
  • Mark leads a team with unrivalled expertise in special situations, including in relation to assets facing significant and complex governance and financial challenges
  • Mark has advised on a number of complex cross border matters for creditors (including direct lenders and distressed debt funds) and sponsors and is highly skilled in the restructuring of complex structures
  • He has also actively led a number of complex litigation matters and has significant experience in the investigation of complex fraud cases, multijurisdictional disputes, anti-avoidance/antecedent transaction advice, corporate investigation and analysis, asset tracing, international enforcement and the development of litigation strategies
  • Additionally, Mark is a Licensed Insolvency Practitioner and an Authorised Fixed Charge Receiver (Non-appointment taking)

Practice Areas Explained

Mark Fennessy's Areas of Practice

Each practice area below reflects the types of cases Mark Fennessy handles, with a brief overview of what that area of law covers.

Bankruptcy & Debt

A bankruptcy attorney can help you eliminate debt, stop creditor harassment, and protect your home through Chapter 7 or Chapter 13.

Mark Fennessy is one of 105,321 bankruptcy attorneys indexed nationally. Browse bankruptcy attorneys →

Frequently Asked

Common questions about Mark Fennessy

Where is Mark Fennessy's law office located?
Mark Fennessy's law practice is located in London. The firm is McDermott Will & Schulte. You can contact the office directly through this profile page.
What practice areas does Mark Fennessy handle?
Mark Fennessy focuses on bankruptcy. Each practice area listed reflects experience handling cases of that type in their licensed jurisdictions.
How can I contact Mark Fennessy for a consultation?
You can contact Mark Fennessy directly through this profile page. Click "Ask the Attorney" to submit a question, or "Schedule a Consultation" to book a meeting. Most claimed-profile attorneys respond within one business day.
What awards or recognition has Mark Fennessy received?
Mark Fennessy's notable recognition includes: Best Lawyers in America — Insolvency and Restructuring Law.

Awards

Best Lawyers in America — Insolvency and Restructuring Law
- 2025

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