Competition Law

The European and Competition Law team at Hayes solicitors helps clients with both a wide range of advisory and transactional matters and with competition authority criminal investigations.

Advisory services

We act on behalf of a number blue-chip clients, SMEs and industry bodies across a number of highly regulated sectors and provide a comprehensive advisory service. Our clients include Unilever, the Royal Institute of Architects of Ireland, and the Society of the Irish Motor Industry.

Merger notifications

The team assists clients in notifying mergers to the Irish Competition Authority.


We have represented clients in major cases with far-reaching implications for competition within various sectors, including the pharmaceutical and grocery sectors.

Criminal prosecutions

We have acted for a number of defendants in relation to competition law criminal prosecutions in the Central Criminal Court, including the landmark case of DPP-v-PG Duffy & Sons Limited and Patrick Duffy

What clients say: Competition Law