Loyens & Loeff

Thomas Chellingsworth

Visitors address

Woluwe Atrium
Neerveldstraat 101-103
B-1200 Brussels

Thomas Chellingsworth

  • Attorney at law
  • Local Partner Loyens & Loeff Belgium

Thomas is a member of Loyens & Loeff’s Corporate and M&A Department in Belgium. He is also head of the Competition & Regulatory and Utilities & Energy Teams. He is a member of the Projects Team and of the Automotive Team.

Thomas’ practice includes all aspects of regulatory law in the liberalised industries, with a particular focus on the energy sector. He assists clients on renewable energy projects, both offshore and onshore, and in that respect advises on underground and submarine cables, subsidy mechanisms for renewable energy production and network access. He drafts and negotiates supply agreements and EPC agreements (engineering, procurement & construction) (often on the basis of FIDIC templates). He also advises on closed distribution systems. He frequently represents utilities in civil and administrative litigation, particularly in respect of network tariffs.

In addition, Thomas has extensive experience of competition law proceedings, including over two dozen merger filings before the European, Dutch and Belgian competition authorities.

He is recognised as a leading lawyer in his field of expertise by Chambers & Partners Europe and Legal 500. He is also recognised as an expert in energy law by the Best Lawyers guide (2017). Loyens & Loeff’s energy practice in Belgium is ranked in band 1 by both Chambers & Partners Europe and Legal 500.

Thomas is the author of numerous publications on energy law and competition law.

He has been registered at the Brussels Bar since 1997.


Thomas holds a Law degree from Universiteit Antwerpen (Belgium, 1996), an LL.M. in European Law from Universiteit Gent (Belgium, 1997) and a diploma in Economics for Competition Law from King’s College London (United Kingdom, 2009).


Dutch, English, French