Bastien Masson

Aurelien Chardeau‘s practice focuses on business litigation (including liability issues in industrial risks), criminal law and compliance (anti-corruption and anti-money laundering). He advises major players in the banking and financial sectors (banks, investment service providers, etc.), Life Sciences (health, pharmaceuticals, biotechnology, etc.) and industrial (notably railways). He assists both French and foreign companies (European, Anglo-Saxon and Asian).

Emmanuel graduated from Université Paris V René Descartes with a post-graduate diploma in Business Law (DESS), from Université Paris II Panthéon-Assas with a diploma in Comparative Law and from Université Paris I-Sorbonne with a post-graduate diploma in African Studies – Legal Anthropology. He carried out several internships at companies active in financial management (Thorp), accounting (Guyot Varona & Associés) and audiovisual production (...

Member of the UGGC Avocats’ Restructuring team for more than 15 years, Marine Simonnot joined the firm as a trainee lawyer before becoming an associate, consultant and then partner in 2020. She advises clients on all aspects of insolvency law, from the prevention of difficulties to their treatment in the context of collective proceedings, both as counsel and in litigation. Marine supports companies of all sizes, their managers and/or shareholders, investment funds, creditors, legal repr...

Caroline Camière is a lawyer recognized by Best Lawyers in the practice area of Public Law. Caroline practices law in Lyon, France Best Lawyers has recognized Caroline Camière since 2027. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Caroline Camière is held by other lawyers.

Known for his expertise in international taxation and transfer pricing, Cyril Maucour advises and represents a French and international client base comprising entrepreneurs, growing companies, startups, SMEs and large groups operating in various sectors such as industry, technology, fashion, pharmaceuticals, and renewable energy. He provides guidance and support to French companies in their international expansion, offering specific expertise on foreign tax regimes. He assists foreign groups ...

Stéphanie Guedes da Costa focuses particularly on relations with employee representative bodies, professional elections, collective bargaining, as well as restructuring operations (including employee transfers, voluntary departure plans, and employment protection plans). She advises both French and international companies, providing support in both advisory and litigation matters (covering individual and collective issues). For many years, she has also assisted entities with mixed-stat...

Magalie Dejoux is a lawyer recognized by Best Lawyers in the practice area of Energy Law. Magalie practices law in Paris, France Best Lawyers has recognized Magalie Dejoux since 2027. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Magalie Dejoux is held by other lawyers.

Alexis Marchand is a lawyer recognized by Best Lawyers in the practice areas of Corporate Law, Mergers and Acquisitions Law and Private Equity Law. Alexis practices law in Paris, France Best Lawyers has recognized Alexis Marchand since 2022. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Alexis Marchand is held by other lawyers.

Pauline Ducoin is a lawyer recognized by Best Lawyers in the practice areas of Information Technology Law and Privacy and Data Security Law. Pauline practices law in Lyon, France Best Lawyers has recognized Pauline Ducoin since 2025. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Pauline Ducoin is held by other lawyers.

Partner Cyprien Pialoux advises companies on daily management of industrial relations. He also represents companies and their management teams before civil and criminal courts. He focuses on individual and collective litigation related to restructuring operations, discrimination, professional inequality or disputes arising with employee representative bodies.Cyprien holds a master’s certificate in business law from Paris XI University (2000) and a master’s degree in business law f...