Marcus Billam and Laura Castex named among the Top 40 ranking of CAC 40 lawyers 2025

Congratulations to Marcus Billam and Laura Castex, who have been distinguished in the prestigious Top 40 Lawyers of the CAC 40, a ranking dedicated to lawyers who distinguish themselves in the business law market with CAC 40 companies

What is said about Marcus:
“A strategist, highly approachable and personable, technically excellent, top-level, creative, a deal maker, reassuring, and pragmatic.”

Marcus specialises in mergers and acquisitions and securities law. He advises primarily listed and unlisted companies, industrial groups, and family-owned businesses on their strategic and cross-border transactions.

What is said about Laura:
“Very strong in antitrust, efficient, pragmatic, with a fine understanding of business challenges and deep technical expertise.”

Laura specialises in French and European competition law, as well as in distribution law (including networks and franchising, commercial contracts, etc.) and consumer law. She advises clients both in contentious and non-contentious matters.

Congratulations also to Alexandre Durand, partner, and Ghizlen Sari-Ali, counsel, who were named among the Top 10 Rising Stars of the ranking.

Alexandre specialises in mergers and acquisitions and securities law. He primarily advises listed and unlisted companies, family-owned groups, and private equity funds on their strategic and cross-border projects.

Ghizlen specialises in mergers and acquisitions, corporate law, and private equity. She acts on both domestic and cross-border acquisitions, the structuring of joint ventures, mergers, and corporate restructurings.

The ranking was published by Forbes and La Lettre des Juristes d’Affaires, and conducted by Florence Henriet (Guide des cabinets d’avocats d’affaires), Ondine Delaunay and Ghislain de Lagrevol (Business & Legal Forums).