Kate McKenna is a partner in the Competition and Regulation Group. Prior to joining Matheson, Kate worked at a Magic Circle law firm in London. Kate’s competition practice involves advising clients on merger control, behavioural competition issues (including investigations of alleged collusion and abuse of dominance), State aid, the Foreign Subsidies Regulation, Foreign Investment Screening regimes and public procurement competition issues. Kate’s regulatory practice involves advising clients on compliance with telecommunications, broadcasting, digital markets, Life Sciences and postal regulation. Kate frequently advises clients on challenging decisions by sector regulators.

Kate McKenna is a partner in the Competition and Regulation Group. Prior to joining Matheson, Kate worked at a Magic Circle law firm in London. Kate’s competition practice involves advising clients on merger control, behavioural competition issues (including investigations of alleged collusion and abuse of dominance), State aid, the Foreign Subsidies Regulation, Foreign Investment Screening regimes and public procurement competition issues. Kate’s regulatory practice involves advising clients on compliance with telecommunications, broadcasting, digital markets, Life Sciences and postal regulat...

Publications

Foreign Direct Investment Law Guide

Co-author of the Ireland chapter in the Foreign Direct Investment Law Guide , published 20 October 2026 , alongside Niall Collins , Calum Warren and Simon Shinkwin .

Merger Control Law Guide

Co-author of the Ireland chapter in the Merger Control Law Guide , published 14 July 2026 , alongside Niall Collins , Simon Shinkwin and Calum Warren .