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Sylvain Cailleau



Cailleau Sylvain
Sylvain Cailleau



Sylvain specialises in corporate law and equity capital markets. His practice ranges from corporate transactions (public and private M&A, joint-ventures and corporate restructurings) to equity capital market transactions (IPOs and secondary transactions). 

Sylvain has also been involved in various private equity and energy-related transactions. He joined Allen & Overy in 2018, prior to which he spent 12 years working in the corporate and M&A practice of Clifford Chance in Brussels, Belgium. 

Sources say Sylvain Cailleau is noted for his “very broad and global legal knowledge”
Legal 500

News & insights

Luxembourg Case Law Briefing

Publications: 06 MAY 2021

Luxembourg Case Law Briefing Corporate Law - Highlights

2021 Edition We are very pleased to present our first Luxembourg corporate law focused case law briefing.

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Triangular pattern

Publications: 25 SEPTEMBER 2020

Measures to facilitate holding of meetings in commercial companies extended until 31 December 2020

While the Covid-19 outbreak continues to have an impact on the good governance of companies, the Luxembourg legislator has decided to extend the measures provided for by the law of 20 June 2020.

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Allen & Overy graphic

Publications: 09 APRIL 2020

Covid-19 coronavirus: key considerations from a Luxembourg corporate law perspective

Covid-19 coronavirus has had a very significant impact on businesses across all sectors and many questions have arisen as regards the application of Luxembourg corporate law in this situation. 

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Publications: 05 SEPTEMBER 2019

Second shareholder rights directive: an enhanced framework for shareholder rights in listed companies

In the context of the implementation of the second shareholder rights directive (SRD II), the Luxembourg legislator has amended the law of 24 May 2011 relating to the exercise of certain shareholder…

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Master in Law, Catholic University of Louvain, Belgium, 2000