Frequently appearing before the High Court, Circuit Court, Court of Appeal and Supreme Court, the ‘first-rate’ Hayes Solicitors LLP is highly regarded for its involvement in healthcare litigation, particularly clinical defence and catastrophic injury claims. Managing partner Joe O’Malley stands out for his involvement in high-value claims for state, financial institution and corporate clients, frequently deploying ADR methods. Overseeing the healthcare department is Mary Hough, who has a stellar reputation for handling medical negligence claims, product liability and repercussive claims, often representing doctors and allied healthcare professionals. David Phelan is highly regarded for his involvement in the Commercial Court and superior courts, and another key name is Robbie Slattery.
Legal 500 Editorial commentary
Accolades
Client satisfaction: Lawyer & team quality
Client satisfaction: Billing & efficiency
Client satisfaction: NPS ®
Testimonials
Collated independently by Legal 500 research team.
- 'The Hayes DR team is first-rate. They have an exceptional client base which they serve exceptionally well.’
- ‘Joe O'Malley is first-rate, commercial, astute and technically excellent. Robbie Slattery is also excellent,’
- ‘Joe O Malley, Mary Hough and Stephen McGuinness show a very strong ethos of collaboration and a high degree of professionalism in respect of the service provided.’
- ‘Martha Wilson is a thoughtful and incisive litigator.’
- ‘Hayes Solicitors LLP offers a uniquely client-focused Dispute Resolution service, combining deep legal expertise with practical, commercially-minded advice. The team is responsive, collaborative, and consistently delivers clear, strategic guidance.'
- ‘The individuals I’ve worked with at Hayes Solicitors LLP consistently demonstrate professionalism, clarity, and strategic insight. Their ability to remain calm under pressure and deliver commercially sound advice sets them apart from competitors. I’ve particularly valued their responsiveness and collaborative approach.’
Key clients
- State Claims Agency
- Arabic Computer Systems (ACS) and National Technology Group (NTG)
- Van Hool NV
- University of Limerick and Plassey Trust Company Limited
- EFG Bank AG
- Medical Protection Society (Healthcare)
- Dental Protection Limited (Healthcare)
- Entertainment Enterprises Group
- Paddy Power / Flutter Entertainment
Work highlights
Resolved a significant number of complex, sensitive, high-value and high-profile vaccine claims against the State Claims Agency through the use of ADR.
Acting for the liquidator of MUT 103, a special purpose investment vehicles set up for the purpose of Irish investors investing in the Dolphin Trust in a multi-party and multi-jurisdictional claim with a value exceeding €40m.
Acting for Arabic Computer Systems and National Technology Group in defence of a Commercial Court claim by Microsoft Ireland for breach of contract in the liquidated sum of $31m.
Lawyers
Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.
Next Generation Partners
Junior partners with significant recognition from clients and peers in the market and key roles on multiple matters.
Practice head
Mary Hough; Joe O’Malley
Other key lawyers
David Phelan; Stephen McGuinness; Robbie Slattery; Martha Wilson; Jeremy Erwin