LAWYER PROFILE
Sylvain Cailleau

Sylvain Cailleau

Europe 2026

Chambers ranking badge
Chambers ranking badge

Ranked in 1 practice area

About

Provided by A&O Shearman Luxembourg

Europe

Practice Areas

Sylvain specialises in company law and mergers and acquisitions.

His work ranges from corporate transactions (public and private M&A, joint-ventures / co-investments and corporate restructurings) to advice on governance and directors’ liability. Sylvain also works for a number of alternative investment managers to develop and expand their platform in Luxembourg, with a particular sub-focus on infra funds.

He joined the firm in Luxembourg in 2018 from the corporate and M&A practice of an international law firm in Brussels, Belgium.

Chambers Review

Provided by Chambers

Chambers European Guide

Corporate/M&A - Luxembourg

Band 4
Band 4

Individual Editorial

Sylvain Cailleau demonstrates strong experience acting for asset management firms, financial institutions and multinational corporates on a variety of transactional matters, such as acquisitions, joint venture agreements and business divestments.

Strengths

Provided by Chambers

  • Sylvain Cailleau is a trusted adviser who can take a step back in transactions. He also goes the extra mile to be a trusted partner overall.

    Corporate/M&AChambers European Guide
  • Sylvain Cailleau is a very experienced lawyer who is able to handle complicated matters and adapt to different situations.

    Corporate/M&AChambers European Guide
  • His background in corporate law and litigation brings valuable insights into the reflections and negotiations.

    Corporate/M&AChambers European Guide
  • Sylvain brings a strategic mindset to every transaction.

    Corporate/M&AChambers European Guide

Ranked Individuals at A&O Shearman Luxembourg (229)

Belgium

What success is built on

Chambers is the leading data and intelligence partner for the legal sector.

Explore thought leadership