Guillaume Guérin is a counsel in the firm’s Paris office. His practice focuses on advising publicly listed and non-listed companies and their managers, investment funds, and financial institutions on a wide range of regulatory and compliance issues, investigations, and corporate transactions.
Guillaume has significant experience in investigation, control, and sanction proceedings before the French financial markets authority (AMF) and the Banking Authority (ACPR), as well as with matters requiring international cooperation with foreign regulators including the Securities and Exchange Commission (SEC) and with any subsequent judicial proceedings.
He also has extensive experience advising investors, publicly listed companies, and their managers on financial markets transactions and regulations, including public mergers and acquisitions, tender offers, initial public offerings (IPOs), the securities issuances, initial coin offerings (ICOs) as well as on corporate governance and financial communications matters.
Guillaume has been recognized by The Legal 500 in its Stock Market Litigation and Compliance categories in France.
Prior to joining the firm, Guillaume was a senior associate in DLA Piper’s Paris office and an associate at Dentons (formerly Salans). Before that, he spent five years at the AMF in the Investigations department and the Legal Affairs department.
Guillaume holds an LL.M. from the University of Virginia School of Law and a Master of Laws (DJCE-DESS) in business law and taxation from the University Jean Moulin Lyon III.
Guillaume is fluent in French and English.
Guillaume Guérin is a counsel in the firm’s Paris office. His practice focuses on advising publicly listed and non-listed companies and their managers, investment…
University of Virginia School of Law (LL.M. 2001); Université Jean Moulin Lyon III (DJCE-DESS 2000)
Paris, New York State
Activities and Affiliations
Member, French Securities Lawyers Association (ADB)
Lecturer, University Paris Dauphine
Guillaume Guérin was featured in an article by Agefi-Dow Jones in which he discusses Vallourec’s (a multinational manufacturing company) contemplated share capital reduction and consolidation of shares.
C&G has been shortlisted for the International Financial Law Review’s (IFLR) 2018 Europe Awards M&A Deal of the Year for its representation of Berendsen plc, a European textile, hygiene, and safety solutions business, in its takeover by a French laundry services group, Elis. C&G advised Berendsen on aspects of the transaction relating to the French stock market.
Dalenys, a fintech company based in France, was recently sold to Natixis for 160 million EUR. Cohen & Gresser's Paris team advised Dalenys throughout the transaction. The following French news outlets covered the story:
In this C&G client alert, Muriel Goldberg-Darmon, Guillaume Guérin, and Pierre Wolman discuss the implications of two recent French rules that are meant to strengthen France’s control over foreign investment.