Alerion Avocats Ranked in Chambers France 2026

We would like to thank our clients for their continued trust, as well as our teams for their constant commitment and dedication.

The 2026 edition of Chambers France recognises this collective effort and the high quality of the support we provide.

Individual ranking:

  • Gilles Podeur – Restructuring / Insolvency – Band 5

Practice rankings:

  • Corporate / Commercial Litigation – Band 3
  • Corporate / M&A: Mid-Market – Band 3

Congratulations to Gilles Podeur, Jacques Bouyssou, Sibylle Mareau, Pierre-Olivier Brouard, Christophe Gerschel, Vincent Poirier, Antoine Rousseau, Karine Khau-Castelle, as well as to all our teams, for their daily commitment in serving our clients.

Learn more: https://chambers.com/law-firm/alerion-avocats-france-121:231950

Alerion Avocats wishes you happy holidays

The entire team at Alerion Avocats wishes you a wonderful holiday season with your loved ones and our best wishes for health and happiness in 2026, which we hope will be full of discoveries, opportunities, and success!

During this festive season, we would like to express our deep gratitude to our clients, partners, and colleagues for the trust and exchanges that have marked this year. Thank you for being part of this wonderful human and professional adventure. We look forward to continuing to support you and to taking on the challenges of the new year together.

Happy holidays to all!

Looking back at an insightful global discussion on Private Equity trends!

We were proud to have Karine Khau Castelle and Vincent Poirier, Partners at Alerion Avocats in the Corporate department, as speakers at the webinar “Global Trends in Private Equity”, organized by Ally Law.

The event, held on November 18, 2025, brought together experts from New York, Milan, and Paris to share insights on market developments, SPACs, deal structures, and legal challenges in cross-border transactions.

👏 Thank you to Ally Law (Sandra Powell and David Moore) and all participants for making this discussion so valuable!

Special thanks to Barry Grossman (Ellenoff Grossman & Schole LLP) and Giacomo Pansolli (Gitti and Partners) for their contributions.

The law firm Alerion advised Stellantis & You, a subsidiary of Stellantis, on its acquisition of 4 Peugeot dealerships held by the Courtois group.

The law firm Alerion (Pierre-Olivier Brouard, partner and Ani Yavasheva as associate on the corporate aspects, and Catherine Robin, partner in charge of the competition law aspects) advised Stellantis & You, a subsidiary of Stellantis, on its acquisition of 4 Peugeot dealerships (located in the west of Paris) held by the Courtois group.

Alerion Avocats is recognised in 3 categories in Décideurs Magazine’s “Energy, environment, public players & companies 2023”!Alerion Avocats is proud to be ranked among the top law firms in the 2023 edition of the “Energy, Environment, Public Actors & Companies 2023” guide.

-Strong reputation in Administrative Contracts & related litigation.
-Strong reputation in land management.
-Highly experienced in urban planning and development.
-Extensive experience in ICPE, Polluted Sites & Soils and Brownfields.

👏 Well done to Fahima GASMI & Philippe Mathurin and each member of the team for their work and commitment to excellence and a big thank you to our clients for their unwavering trust. 🤝

Summary of our privacy policy

This version was uploaded January 2020

As data controller, Alerion is strongly committed to protecting your personal data (hereinafter referred to as "Personal Data" or "Data"), as defined by the General Data Protection Regulation (EU) 2016/679 and by the amended French Act No. 78-17 of 6 January 1978 on Information Technology, Data Files and Civil Liberties (hereinafter collectively referred to as "Regulations").

This Privacy Policy transparently outlines the manner in which Alerion collects, stores, uses and discloses your Personal Data when you visit the Website, accessible on https://www.alerionavocats.com/ (the "Website") and/or when you request services or information offered on the Website (in the “Services" section).

When appropriate, this Policy is supplemented by our General Terms and Conditions of Services, which are attached to Alerion's engagement letter, as well as by the required information provided in our Data Collection Forms.

By using the Website, you accept this Privacy Policy.

More information here