Sébastien Gros

Ranked in 2 Practice Areas

Band 3

Financial Services Regulation

France

3 Years Ranked

Band 4

Insurance

France

1 Years Ranked

Ranked in Guides

FinTech 2026

About

Provided by Sébastien Gros

France

Practice Areas

Sébastien Gros, a partner in the firm's Paris office, leads the Financial Institutions Practice Group within the Corporate & Finance practice. Regarded as one of three leading individuals in the European regulatory and corporate field, he is dedicated to helping financial services and insurance industry clients. Sébastien also has in-house counsel experience, working directly for several clients on a short-term basis, including a leading French banking group.

French and foreign financial institutions rely on Sébastien’s solutions-focused approach to domestic and cross-border mergers and acquisitions (M&A), including share acquisitions and disposals, assets and business transfers, portfolio transfers, joint ventures, and group reorganisations. His clients include banks, e-money and payment institutions, investment services providers, insurers/reinsurers, and other regulated entities across the financial and insurance services industry. His support includes non-transactional financial services and insurance to these same institutions as well, such as the setting up of new businesses, licensing and conduct of business requirements, marketing and distribution of products, and product regulation.

Chambers Review

Provided by Chambers

Chambers France

Financial Services Regulation - France

Band 3

Individual Editorial

Sébastien Gros advises financial institutions on the regulatory aspects of M&A transactions as well as on discussions with the regulators. He additionally assists with licensing and the distribution of fintech products.

Editorial individuel

Sébastien Gros conseille les institutions financières sur les aspects réglementaires des opérations de M&A ainsi que sur les discussions avec les régulateurs. Il aide également sur les autorisation et à la distribution de produits fintech.

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Insurance - France

Band 4

Individual Editorial

Sébastien Gros joins this table due to his experience advising top domestic and international clients. He focuses on highly complex regulatory and corporate mandates including licencing requirements, due diligence, cross-border mergers and acquisitions and reorganisations.

Editorial individuel

Sébastien Gros rejoint le classement en raison de son expérience dans le conseil aux grands clients nationaux et internationaux. Il intervient sur des mandats réglementaires et corporate particulièrement complexes, incluant les exigences en matière d’agréments, les due diligences, les opérations de fusions-acquisitions transfrontalières et les restructurations.

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Strengths

Provided by Chambers

Sebastien and his team have provided us with invaluable advice throughout our collaboration. Their insights have significantly contributed to our decision-making process and overall success.

Financial Services Regulation respondent
Chambers France

Sébastien et son équipe nous ont prodigué de précieux conseils tout au long de notre collaboration. Leurs analyses ont grandement contribué à notre processus de décision et à notre réussite globale.

Financial Services Regulation respondent
Chambers France

He is always available and precise, he knows how to transform sophisticated legal issues into concrete solutions, perfectly aligned with our vision and operational objectives.