Our Team

Joanne Finn
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Joanne is a partner in the ByrneWallace Corporate Team and heads the firm's EU, Competition and Regulated Markets Group. She has extensive experience in EU and Irish law and particularly in competition, State aid, procurement and litigation.  She has sector experience in healthcare, construction, energy, telecommunications, agri-food, retail/consumer and aviation.  

Joanne regularly advises on merger control, most recently successfully advising on Panda Waste's Phase 2 acquisition of Greenstar.  She has advised on investigations by and complaints to the Competition and Consumer Protection Commission and the European Commission and has advised Government Departments on successfully obtaining State aid approval.

On the regulatory side, she advises Irish and International clients on regulated markets such as energy and telecommunications including coordinating EU-wide compliance for telecommunications companies and advising on regulatory aspects of transactional and litigation.   

Joanne regularly advises on procurement law and acts both for and against awarding authorities in relation to challenges to contract awards.  She provides ongoing advices to public and private sector clients on the implications of EU and Irish regulation on a wide range of issues.  

Joanne has a particular interest in the challenges presented by specialist litigation in the EU law sphere.  She has most recently acted for an association of 37 Litigants in a challenge against the HSE on State aid, public procurement and competition grounds in Home Care Plus & Ors v HSE.  Joanne also led the EU law team in the Supreme Court in Dellway & Ors. v National Asset Management Agency & Ors. She advised the European Commission in relation to its landmark intervention on crisis cartels in the Irish High Court in The Competition Authority v The Beef Industry Development Society (BIDS).    

Key Experience

  • Advised Panda Waste on competition and merger control during the course of its Phase 2 acquisition of Greenstar.
  • Advised US & international telecommunications network providers on EU telecoms regulation in 19 Member States in conjunction with a network of external Counsel.
  • Advised the EU Commission’s Legal Service in its landmark intervention in the BIDS case.
  • Advised a Trade Association (HCCI) of 37 private Home Care providers in landmark litigation against the HSE, on procurement, State aid and competition grounds.


  • Admitted as a Solicitor in 2005
  • LL.M in European Legal Studies, College of Europe Bruges 1999
  • LL.B in Law & European Law/International Energy Law, University of Nottingham, 1998


  • Dublin Solicitors Bar Association
  • Vice-President & former Chair of Irish Society of European Law (2013 – 2015)
  • Member of the Irish Society for European Law, Chair of sub-committee on Procurement Law Forum


Joanne Finn is a "very smart, knowledgeable and well-rounded partner," - Chambers Europe 2018

"What sets Joanne Finn apart from many of her peers is her ability to build trusted relationships by getting to know and understand her clients and their businesses. She has a reputation for being able to advise strategically on how the competition piece fits into the wider picture of a client's business, rather than looking at competition law issues in isolation." - Chambers Europe 2018

ByrneWallace enters the rankings following the arrival of Joanne Finn and her team. Recent work for the ‘intellectually impressive’ Finn includes merger control, procurement and state aid advice. - Legal 500, 2018

Joanne Finn is ranked as a leading individual in Chambers Europe 2016

Joanne Finn is recommended in Legal 500 EMEA, 2016

“Joanne Finn leads the group on a range of competition cases, with sources saying: 'She is superb - her excellent client care skills always come across. She listens to the client's needs.’” Chambers Europe, 2016

"Joanne Finn is a recognised competition specialist who regularly advises on competition law and merger control for clients in the energy, agrifood and health sectors." Chambers Europe, 2015

“Joanne Finn ‘provides clear and concise advice, which is always complete, logical and covers the full picture.’” Chambers Europe, 2014