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MF appoints Liam Heylin as antitrust partner
Stephen Holst, Liam Heylin and Laura Treacy, all of McCann FitzGerald

20 Oct 2025 corporate law Print

MF appoints Liam Heylin as antitrust partner

McCann FitzGerald LLP has appointed Liam Heylin as partner in its antitrust and competition practice, effective today (20 October).

Heylin brings deep expertise in Irish and EU competition law – including merger control, foreign-investment screening, antitrust investigations, digital regulation, and state aid.

His experience includes competition litigation before the Irish courts and advising across the full spectrum of behavioural and regulatory issues such as cartels, abuse of dominance, joint ventures, co-operation agreements and matters relating to the intersection of competition law with digital regulation.

He has previously worked in antitrust practices in Dublin, London and Brussels.

Increasing complexity

Managing partner Stephen Holst said: “Liam’s appointment reflects our continued focus on building capability in areas where clients face increasing complexity in competition and regulatory matters.

“His experience across competition law and regulated markets bolsters an already strong team and supports our ambition to grow in areas of strategic importance to our clients.”

Liam Heylin said: “Competition law is changing rapidly, domestically and internationally, and clients value the expertise that can help them interpret developments, manage risk and engage effectively with regulators.

“McCann FitzGerald has a trusted reputation in this space, advising across multiple sectors

Liam’s appointment comes during a wider period of growth for McCann FitzGerald, which has recently expanded its partnership across key practice areas including energy, technology and knowledge management.

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