LAWYER PROFILE
Thomas Janssens

Thomas Janssens

Global 2026

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Ranked in 1 practice area

About

Provided by Freshfields

Practice Areas

Thomas is a partner in Freshfields’ antitrust, competition and trade practice group, which up until recently he led globally for six years. He now combines his dynamic and broad client practice with a new global role working closely with the firm’s leadership team on Freshfields’ growth agenda.

In client mandates, Thomas immerses himself in the business of his clients in order to provide innovative, tailored solutions to global antitrust issues. In leading our antitrust practice, he works with colleagues across the firm to apply our energy, thought leadership and values to stay on top of our game.

He advises on EU and international antitrust law, covering transactional and conduct matters as well as related litigation. Clients turn to Thomas for complex EU and international mandates, especially those requiring strategic management of cross-border challenges and parallel proceedings before several authorities. He brings international experience and perspective across all areas of antitrust risk and compliance in a wide range of industries, including the fast-moving digital economy. The nature of his work also involves leading teams of Freshfields lawyers and local counsel around the world.

Thomas speaks English, Dutch and French.

Professional Memberships

Brussels Bar.

International Bar Association: Co-Chair of the Antitrust Section

Personal

Educated at the University of Leuven and Columbia Law School.

Chambers Review

Provided by Chambers

Chambers Global Guide

Competition: EU - Belgium

Band 1
Band 1

Individual Editorial

Thomas Janssens is credited with handling several of the firm's most sophisticated EU-level matters, including merger clearances and anti-competitive investigations in the technology sector. He is also a central figure in the firm's domestic Belgian competition law offering, representing clients in BCA investigations, as well as merger clearance and FDI filings.

Strengths

Provided by Chambers

  • Thomas Janssens is very responsive, available and he is also hands-on and able to synthesise complex elements into a comprehensive manner for business.

    Competition: EUChambers Global Guide
  • Thomas Janssens a very client and detail-oriented lawyer who is able to understand all of the relevant issues.

    Competition: EUChambers Global Guide

Ranked Individuals at Freshfields (268)

Africa-wide

Austria

Bahrain

Belgium

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