Antoine Messent

Antoine Messent


Antoine mainly specialises in public and private M&A transactions, joint ventures and corporate matters.
Antoine focuses on advising French and foreign corporates, private-equity funds and financial institutions in connection with their corporate transactions, including national and cross-border mergers and acquisitions, disposals and group reorganizations, as well as on general corporate matters and corporate governance.


Representative matters

Samsung Life Insurance in relation to its 20% equity acquisition of the French infrastructure investment and management company Meridiam, one of Europe’s leading private equity firm focused on infrastructure investment.

Pathé and IDG Capital in relation to the sale of Olympique Lyonnais Group to Eagle Football Holdings LLC, a holding company of interests in world-class football clubs, followed by a simplified mandatory tender offer.

A multinational financial institution on the sale to Amundi of its asset management activities operated by Lyxor, one of the key players in the ETF market in Europe, for a total consideration of EUR825 million.

Ivanhoe Cambridge in the creation of an investment platform focused on the development and acquisition of residences for students and young professionals in the Paris region, alongside BouwInvest and Greystar, with a total investment capacity of EUR1 billion.



Admitted to the Paris Bar, 2019


Master/LL.M, International Law and Management, HEC Paris, 2017-2018 

Master Degree, International Corporate and Tax Operations, University of Paris I Pantheon-Sorbonne, Paris, 2016-2017

Graduate Degree, Chinese Business and Management, Shanghai Normal University, Shanghai, 2015-2016


French, English
A&O Shearman was formed on May 1, 2024 by the combination of Shearman & Sterling LLP and Allen & Overy LLP and their respective affiliates (the legacy firms). Any matters referred to above may include matters undertaken by one or more of the legacy firms rather than A&O Shearman.