Barbara Bertholet

With a post-graduate diploma in business law and taxation from the University of Clermont-Ferrand, Pierre GUIGNAND has been a member of the Lyon bar since 2006.A lawyer with Ratheaux from 2006 to 2009, he joined Lamy & Associés in 2009 and became a partner in 2015.Pierre GUIGNAND also works in all areas of corporate law, particularly in domestic and international mergers and acquisitions, private equity and investment operations.

Brice BRIEL is a partner and co-head of the Employment law – Social welfare law department. He has developed particular expertise in : collective bargaining (conclusion of collective agreements, working time, mandatory annual negotiations, incentives and profit-sharing, etc.), workforce management (employment contracts, legal monitoring for updating collective agreements, variable pay, disciplinary proceedings, terminations, mobility, etc.), social welfare, individual and collective gri...

Frédéric SUBRA is co-head of the LYON office’s "Wealth law & taxation" and "Corporate taxation" Departments. Alongside standard services in tax law (repeat advisory work and litigation management), he has developed recognized expertise in : taxation linked to mergers and acquisitions and more generally to company restructurings and transfers taxation of groups of companies, tax consolidation, global consolidation tax audits during closures of accounts or acquisitions, ...

Marie-Laurence Boulanger is a top attorney recognized by Best Lawyers in the practice area(s) of Labor and Employment Law. Marie-Laurence, who practices law in Lyon, France, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Marie-Laurence is held by other top lawyers in the same geographic and legal practice area.

Alban Pousset-Bougère is a top attorney recognized by Best Lawyers in the practice area(s) of Criminal Defense and Litigation. Alban, who practices law in Lyon, France, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Alban is held by other top lawyers in the same geographic and legal practice area.

Pierre Jakob is a top attorney recognized by Best Lawyers in the practice area(s) of Government Relations Practice and Public Law. Pierre, who practices law in Lyon, France, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Pierre is held by other top lawyers in the same geographic and legal practice area.

Alexis CHABERT is co-head of the LYON office’s Business litigation Department. A specialist in legal proceedings applied to commercial litigation, he has developed solid experience in conflicts between partners, liability of company directors, unfair competition, compliant delivery, defective equipment, etc. He has also developed particular expertise in criminal business law to assist company directors who are victims of crime (fraud, breach of trust, forgery and use of forgeries, etc.)...

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 ...

Maud Perilli is a top attorney recognized by Best Lawyers in the practice area(s) of Insolvency and Reorganization Law and Labor and Employment Law. Maud, who practices law in Lyon, France, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Maud is held by other top lawyers in the same geographic and legal practice area.

Laurent BUTSTRAËN is co-head of the Non-Profit Organizations Department. He has developed recognized expertise in : legal and tax aspects of the incorporation and operation of associations and non-profit organizations (legal audits, tax, incorporation of structures relating to the implementation of complex projects, etc.) contractual undertakings (drafting of contracts, transactions, etc.) due diligence legal and tax audits, design and implementation of the reorganization and restructuri...