Full practice

360-Degree Perspective on Business Law 

Alerion brings together a complete range of expertise required to meet the needs of today’s business world.

Full service

From Issues to Solutions

Alerion can mobilize the legal professionnals needed to identify the key issues facing companies, their executives and shareholders, and provide the most relevant solutions.

Full coverage

International Expertise

Since Alerion was founded, the firm has cultivated an international mindset and provides advisory and litigation support to both French and worldwide clients.

Alerion Climate

Litigation Observatory

Alerion offers a legal watch, written by its lawyers and entirely dedicated to the emergence of climate litigation.

Serving clients
since 2003

Alerion is an independent law firm focused on business law. Our multidisciplinary teams of lawyers constantly combine their talents to deliver comprehensive and practical solutions for their clients.

+70 Lawyers
19 Partners
03 Desks


Since the firm was founded, Alerion has extended its expertise beyond borders and has the capability to support clients internationally with the same level of commitment.

Serving Companies

Alerion brings together a full range of legal expertise tailored to corporate entities, executives and shareholders. Our pledge: provide legal services that are unique, intelligible and transparent.