Ms Mona Costelloe > ByrneWallace LLP > Dublin, Ireland > Lawyer Profile

Under the headship of Mark O’Shaughnessy, the media practice at ByrneWallace LLP provides regular assistance to both public and private organisations with reputation management issues, including cyber-attacks, data breaches, reputational damage caused by product recalls and adverse media intrusion. The other key individuals are litigation expert Mona Costelloe and Daniel Holohan, who advises on commercial agreements involving media and broadcast rights.

ByrneWallace LLP handles a mix of transactional, advisory, regulatory and disputes matters in the insurance field. It acts for insurers, commercial clients and public sector bodies. It also continues to advise the Environmental Protection Agency in connection with environmental impairment liability insurance policies. Jon Legorburu heads the litigation and dispute resolution group and leads the insurance team. Mona Costelloe and Louise Holmes provide additional insurance expertise.

ByrneWallace LLP has continued to grow its presence in cyber-crime and data breaches, along with white-collar crime and investigations. It is a leading player in contentious public sector matters, acting for state and public agencies in the health, educational, property and tourism sectors. It also remains active in representing private sector clients before the Commercial Court. Jon Legorburu is head of the litigation and dispute resolution team, and is rated for public sector cases, regulatory investigations and white-collar crime. Mona Costelloe has broad expertise across the disputes arena, including regulatory enforcement. Seán O’Donnell is noted for contentious regulatory matters, and data protection and cyber-crime cases. Mark O’Shaughnessy and Valerie Hourigan are also key partners.