
Mason Hayes & Curran LLP’s team is experienced in managing a broad range of white-collar crime matters, with a strong track record of representing state agencies and regulators in inquiries and prosecutions. The team routinely advises public and private sector clients on internal risk management and investigations involving allegations of fraud, corporate wrongdoing, and cyberattacks. Liam Guidera heads the practice and is well-versed in handling fraud and corporate misconduct matters and investigations. Conor O’Leary has notable expertise in fraud-related issues and proceedings.
L’éditorial du Legal 500
Témoignages
Collectés indépendamment par l'équipe de recherche du Legal 500.
- ‘Well reasoned and experienced team.’
- ‘Shane Reynolds is an exceptionally experienced and capable solicitor.’
- ‘Liam Guidera is one of the most experienced solicitors in the market, with a wealth of experience. He can draw on the commercial litigation expertise of stars such as Colin Monaghan and Peter Johnston.’
- ‘The firm is extremely adept and client-focused. The partners and all solicitors are very responsive and conscientious.’
- ‘Liam Guidera is a unique asset, as he possesses expertise in several specialist areas. He is extremely dedicated to clients and can explain complicated legal concepts and procedures understandably. He is level-headed and a great strategic thinker.’
- ‘I have worked with Liam Guidera, who is very able.’
- ‘Expert knowledge of the subject matter. Pragmatic legal advice.’
- ‘Receptive and collaborative. Liam Guidera is a leading expert in his field.’
Clients clés
- Irish Life Assurance Plc
- Meta Platforms Ireland Limited
- TikTok Technology Limited
- WhatsApp Ireland Limited
- Yahoo EMEA Limited
- Indigo Telecom Group Limited
- BNP Paribas
- Portakabin
- Trinity College Dublin
- Aramark Plc
Points forts
- Represented IT giants such as Meta, TikTok, WhatsApp and Yahoo in unique and complex investigations and litigation in the Irish courts and the EU General Court.
- Represented clients’ interests in sensitive corporate reputational controversies involving appearances before parliamentary committees, regulators and media inquiries.
Avocats
Les grands avocats du marché
Avocats associés reconnus parmi les leaders du marché par leurs pairs et leurs clients, régulièrement présents dans les grands dossiers dans lesquels ils sont au premier plan.

Meilleurs collaborateurs
Jeunes avocats collaborateurs ou counsels qui se distinguent régulièrement par leur présence dans des dossiers importants du marché, et qui sont identifiés par le marché comme de jeunes talents à suivre.
Conor O’Leary
Responsable de la pratique
Liam Guidera
Autres avocats clés
Colin Monaghan; Peter Johnston; Shane Reynolds; Conor O’Leary