LAWYER PROFILE
Astrid Mignon Colombet

Astrid Mignon Colombet

France 2026

Chambers ranking badge
Chambers ranking badge

Ranked in 2 practice areas

About

Provided by August Debouzy

France

Practice Areas

As a member of the Paris Bar since 2003, with a PhD in Law from the Panthéon-Sorbonne University and as an active member of the International Bar Association (IBA), Astrid Mignon Colombet is a highly regarded lawyer specializing in white-collar crime defense and internal investigations.

Formerly a partner at the boutique criminal law firm Soulez Larivière, Astrid joined August Debouzy in 2020.

With over two decades of experience, Astrid has been involved in landmark cases of economic and political criminal defense, including the Concorde crash, the Erika oil spill, the AZF factory explosion, the Penelope Fillon appeal trial, as well as transnational negotiated justice agreements (CJIP). She also advises clients on high-stakes matters such as crisis management, internal investigations, negotiation of settlements with enforcement authorities (notably the French National Financial Prosecutor’s Office), and developing and implementing innovative compliance and governance strategies.

Recognized for her expertise, Astrid is a highly regarded lecturer at Sciences Po Paris, where she teaches economic criminal law. She actively contributes to academia by regularly publishing articles in leading French and European law journals and contributing to think tanks such as the Club des Juristes.

Astrid has been individually ranked and recognized in the categories “White-Collar Crime” and “Corporate Compliance & Investigations” by the prestigious and leading independent professional legal research firms Chambers and Partners France 2025 and Legal 500 EMEA 2025.

Chambers Review

Provided by Chambers

Chambers France

Corporate Compliance & Investigations - France

Band 3
Band 3

Individual Editorial

Astrid Mignon Colombet is an expert in anti-corruption, anti-bribery and international sanctions issues. She assists clients hailing from the energy and financial services sectors.

Editorial individuel

Astrid Mignon Colombet est une experte de la lutte contre la corruption et des sanctions internationales. Elle assiste des clients issus des secteurs de l’énergie et des services financiers.

White-Collar Crime - France

Band 3
Band 3

Individual Editorial

Astrid Mignon Colombet is a well-reputed criminal lawyer known for her expertise in fraud, corruption and money laundering cases.

Editorial individuel

Astrid Mignon Colombet est une avocate pénaliste réputée, connue pour son expertise dans les affaires de fraude, de corruption et de blanchiment d’argent.

Strengths

Provided by Chambers

  • Astrid is a rockstar. She is knowledgeable, savvy and she is completely unflappable. She is truly a pleasure to work with.

    White-Collar CrimeChambers France
  • Astrid is extremely good, she gives sound advice, she is a pleasure to work with and is very available. She has been incredibly helpful and gained our trust fully.

    White-Collar CrimeChambers France
  • She provides excellent service on a very complex case.

    White-Collar CrimeChambers France
  • Astrid is an excellent professional with strong responsiveness and great ability to advise on complex cases.

    White-Collar CrimeChambers France
  • Astrid Mignon Colombet is great.

    White-Collar CrimeChambers France
  • Astrid est une véritable star. Elle est compétente, perspicace et d'un calme impérial. C'est un vrai plaisir de travailler avec elle.

    White-Collar CrimeChambers France

Ranked Individuals at August Debouzy (30)

France

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