Amaury DUMAS-MARZE

Professional practice

Amaury DUMAS-MARZE is a partner within the «Distressed companies – Restructuring» department.

Amaury assists distressed companies, administrators and judicial representatives, as well as rescuers.

More specifically he works:

  • with distressed companies : facing either preventive (ad hoc mandate, conciliation), or collective insolvency proceedings (safeguard, judicial recovery),
  • with court-appointed receivers and trustees in the context of insolvency proceedings carried out under the mandates entrusted to them,
  • on the occasion of company takeovers (monitoring of the tender procedure, legal, financial and tax structuring of takeover operations).

Amaury is a graduate of the University of Lyon III where he obtained a Master’s degree in Business Law and Corporate Finance and a DESS in Business Law and Corporate Finance.

He began his career in 2002 as a founding partner of Auxigen, a company dedicated to the outdoor hotel industry. He became a member of the Bar in 2006 and joined the Lamy-Lexel the same year. In 2007, he joined Bird & Bird Lyon office, then in 2009 he became a counsel at LexCase and was promoted to partner in 2012. He joined DELSOL Avocats in September 2021.

Amaury DUMAS-MARZE is a member of the restructuring committee of the International Bar Association (IBA), the Institut Français des Praticiens des Procédures Collectives (IFPPC), the Association pour le Retournement des Entreprises (ARE) and Prévention & Retournement (P&R).

He was elected by his peers as one of the Lawyers of the Year 2025 in “Insolvency and Reorganization Law” by Best Lawyers (in partnership with Les Echos).

DELSOL Avocats advised Entrepreneur IM on the Safeguard Plan of Keller Williams France

On 6 August 2025, the Antibes (France) Commercial Court approved the Safeguard Plan of Keller Williams France, the French franchisee

Best Lawyers 2026 ranking

DELSOL Avocats is delighted with the individual ranking of 27 of its lawyers in the The Best Lawyers ™ in

PRESS RELEASE – DELSOL Avocats advised Thuasne on its acquisition of the Mécacentre industrial site

DELSOL Avocats advised Thuasne, a European mid-sized enterprise that manufactures medical devices and is the market leader in France and

DELSOL Avocats advised ABC Companies in the context of Van Hool’s bankruptcy

DELSOL Avocats advised ABC Companies, a leader in motorcoach and transit equipment sales and service in USA and Canada which

DELSOL Avocats advises the Chamber of Commerce and Industry on the takeover of Nextech

Located in the south of France (Avignon), Nextech is a school for apprentices whose aim is to provide industrial companies

Best Lawyers 2025 ranking

DELSOL Avocats is delighted with the individual ranking of 26 of its lawyers in the The Best Lawyers ™ in

DELSOL Avocats advised Boostheat with the acquisition of a stake in HBR Investment Group

DELSOL Avocats advised Boostheat, a manufacturer of innovative heating solutions, with the acquisition of a stake in HBR Investment Group.

PRESS RELEASE – DELSOL Avocats strengthens its « Distressed companies – Restructuring » practice with the addition of Amaury DUMAS-MARZE and his team

With business support now essential ahead of the post-pandemic era, DELSOL Avocats was keen to expand the Distressed companies –