
Corporate/M&A
Global Guide 2026 : Ireland
Rankings

Ranked Individuals
Ranked Individuals
About
Provided by Mason Hayes & Curran LLP
Our Corporate team is recognised as leading advisers on all types of domestic and international corporate transactions for public companies, private companies and the public sector, across a broad range of industry sectors. We have acted in some of the biggest, most high-profile, innovative and complex M&A deals in Ireland. As part of our work we also advise across a broad spectrum of corporate transactions including reorganisations and restructuring, strategic alliances, complex joint ventures and demergers.
With extensive experience in all types of corporate transactions, we combine transactional skills with specialist expertise from our multi-disciplinary teams including banking, property, competition, employment and benefits, IP/IT and tax.
A key part of our success as a firm is understanding our clients’ business and needs. We work with organisations at every level from start-up to listed. We pride ourselves on being accessible to clients, working collaboratively across all our practice groups so as to offer a broad range of supporting advice and delivering the right results in a commercially focused manner.
Our corporate law services include:
- Mergers & Acquisitions
- Corporate Reorganisations and Restructuring
- Corporate Advisory
- Private Equity and Venture Capital
- Privatisation and State Transactions
Chambers Review
Provided by Chambers
Work Highlights
Provided by Chambers
Mason Hayes & Curran assisted Descartes Systems Group with its acquisition of Aerospace Software Developments and Thyme-IT.
Strengths
Provided by Chambers
Lawyers in the group are commercially focused and very responsive.
Corporate/M&A respondentGlobalMason Hayes & Curran has a very responsive team that is always available.
Corporate/M&A respondentGlobalMason Hayes has a solution for every problem.
Corporate/M&A respondentGlobalThe team handles very complex transactions in a very easy way.
Corporate/M&A respondentGlobalMason Hayes & Curran is brilliant at dealing with complex matters, helping to understand the implications of problems and quickly find solutions.
Corporate/M&A respondentGlobal
Notable Practitioners
Provided by Chambers
Band 2 
Band 2 
David O'Donnell
David O'Donnell has experience assisting with fund-raisings and multi-jurisdictional transactions. David O'Donnell is a very experienced lawyer.
Corporate/M&A respondentGlobalHe is very responsive.
Corporate/M&A respondentGlobalDavid has really strong relationships across jurisdictions.
Corporate/M&A respondentGlobal
Band 5 
Band 5 
Justin McKenna
Justin McKenna's combined ECM and M&A practice covers a range of mandates, including public takeovers, IPOs and corporate restructurings. Justin McKenna is always easy to deal with, has great technical knowledge and is willing to help and think outside the box.
Corporate/M&A respondentGlobalHe is supremely knowledgeable and experienced.
Corporate/M&A respondentGlobal
Band 4 
Band 4 
Liam Brazil
Liam Brazil handles a broad remit of corporate and M&A topics. He has experience assisting clients with transactions in the energy sector. Band 4 
Band 4 
Martin Kelleher
Martin Kelleher regularly handles cross-border transactions, capital raises and corporate restructurings. He acts for international corporate clients in the tech and life sciences sectors. When the chips are down Martin is a super negotiator and gives excellent advice to get you over the line.
Corporate/M&A respondentGlobalMartin Kelleher is a very seasoned, calm, composed lawyer.
Corporate/M&A respondentGlobalHe offers great client service, and is very practical and knowledgeable.
Corporate/M&A respondentGlobalMartin Kelleher has a cool head and can back up his views with experience.
Corporate/M&A respondentGlobal
Band 4 
Band 4 
Robert Dickson
Robert Dickson assists with cross-border transactions as well as funding rounds. He assists clients with cross-border M&A deals.
Robert Dickson backs up his legal and market knowledge by being very responsive and commercially focused.
Corporate/M&A respondentGlobalRobert is very commercially astute, responsive, solutions oriented and has an ability to be firm but fair when it comes to negotiations.
Corporate/M&A respondentGlobal
Ranked Individuals at Mason Hayes & Curran LLP (6)
Members
Provided by Mason Hayes & Curran LLP

Robert Dickson
View profile of Robert Dickson
David O'Donnell
View profile of David O'Donnell
Justin McKenna
View profile of Justin McKenna
Martin Kelleher
View profile of Martin Kelleher
Liam Brazil
View profile of Liam Brazil
Mason Hayes & Curran LLP has rankings in the following guides
Band 2
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