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Mason Hayes & Curran LLP

Ireland84 lawyers1 office

About

Mason Hayes & Curran LLP is an Irish business law firm with 124 partners and total staff in excess of 600, providing legal advice across business life cycles and sectors including energy and technology. The firm has offices in Ireland, London, New York and San Francisco and was named ‘Law Firm of the Year: Republic of Ireland’ at The Lawyer European Awards 2025.

Practice areas

Business LawCorporate/CommercialEnergyTechnologyInternational InvestmentCorporate Social Responsibility

Office

Lawyers at this firm

Anne Harkin photo

Anne Harkin

Partner · Corporate / M&A

Anthony O’Hanlon photo

Anthony O’Hanlon

Partner · Investment Funds

Aoiffe Moran photo

Aoiffe Moran

Consulting Partner · Public / Administrative Law

Brian Horkan photo

Brian Horkan

Partner, Head of Health & Prosecutions · Healthcare

Catherine Allen photo

Catherine Allen

Partner, Head of Public, Regulatory and Investigations · Public Law

Catherine O’Flynn photo

Catherine O’Flynn

Partner · Employment & Benefits

Christine O’Donovan photo

Christine O’Donovan

Partner · Financial Services

Ciara Deasy photo

Ciara Deasy

Partner · Healthcare & Life Sciences

Claire Lord photo

Claire Lord

Partner, Head of Corporate Governance · Corporate / M&A

Colin Monaghan photo

Colin Monaghan

Partner · Dispute Resolution

Conall Geraghty photo

Conall Geraghty

Partner · Start-ups & Emerging Companies

Daragh O’Shea photo

Daragh O’Shea

Partner, Head of Debt Capital Markets · Debt Capital Markets

David Gunn photo

David Gunn

Partner · Construction

David Hickey photo

David Hickey

Of Counsel · Healthcare

David McGovern photo

David McGovern

Partner, Head of Aviation & International Asset Finance · Aviation

David O’Donnell photo

David O’Donnell

Partner · Corporate / M&A

Declan Black photo

Declan Black

Partner · Litigation

Deirdre Munnelly photo

Deirdre Munnelly

Partner · Litigation

Deirdre Nagle photo

Deirdre Nagle

Partner, Head of Planning and Environment Law · Planning & Environment

Dermot McGirr photo

Dermot McGirr

Partner · Commercial

Dorit McCann photo

Dorit McCann

Partner, Head of Public Procurement · Competition / Antitrust

Edward Gleeson photo

Edward Gleeson

Consultant · Dispute Resolution

Eimear O’Brien photo

Eimear O’Brien

Of Counsel · Intellectual Property

Elizabeth Ryan photo

Elizabeth Ryan

Partner · Employment

Eoin Cassidy photo

Eoin Cassidy

Partner, Head of Energy · Energy

Frank Flanagan photo

Frank Flanagan

Partner · Dispute Resolution

Ger Connolly photo

Ger Connolly

Partner · Employment

Gerard Kelly photo

Gerard Kelly

Partner, Head of Intellectual Property Law and Co-Head of Dispute Resolution · Intellectual Property

Hannah Devoy photo

Hannah Devoy

Partner · Construction

Hazel McDwyer photo

Hazel McDwyer

Partner · Intellectual Property

James Morrin photo

James Morrin

Partner · Restructuring & Insolvency

Jamie Fitzmaurice photo

Jamie Fitzmaurice

Partner · Real Estate

Jason Harte photo

Jason Harte

Partner, Head of Debt Recovery · Debt Recovery

Jay Sattin photo

Jay Sattin

Partner · Planning & Environment

Jevan Neilan photo

Jevan Neilan

Partner, Head of San Francisco Office · Data & Technology

John Milligan photo

John Milligan

Senior Associate · Intellectual Property

Judith Riordan photo

Judith Riordan

Partner · Insolvency & Restructuring

Justin McKenna photo

Justin McKenna

Consultant · Corporate / M&A

Karol Fox photo

Karol Fox

Partner · Banking & Finance

Katie McAuliffe photo

Katie McAuliffe

Of Counsel · Healthcare

Kevin Mangan photo

Kevin Mangan

Partner, Co-Head of Tax · Tax

Kevin Power photo

Kevin Power

Partner, Head of Medical Law · Medical Law

Laura Durning photo

Laura Durning

Partner · Competition & Antitrust

Liam Brazil photo

Liam Brazil

Of Counsel · Corporate / M&A

Liam Flynn photo

Liam Flynn

Partner, Co-Head of Financial Regulation · Financial Regulation

Liam Guidera photo

Liam Guidera

Partner & Leader of Investigations and White Collar Crime practice · Investigations & White Collar Crime

Lisa Joyce photo

Lisa Joyce

Partner · Public Sector

Luke Murray photo

Luke Murray

Senior Associate · Data Protection & Privacy

Mark Fry photo

Mark Fry

Partner · Technology

Martin Kelleher photo

Martin Kelleher

Partner, Head of Corporate · Corporate / M&A

Maurice Phelan photo

Maurice Phelan

Partner, Co-Head of Dispute Resolution · Dispute Resolution

Melanie Crowley photo

Melanie Crowley

Partner, Head of Employment Law and Benefits · Employment

Michael Doran photo

Michael Doran

Partner, Co-Head of Real Estate · Real Estate

Michael Madden photo

Michael Madden

Partner · Regulatory

Michaela Herron photo

Michaela Herron

Partner, Head of Life Sciences and Head of Product Regulatory · Life Sciences

Micheál Grace photo

Micheál Grace

Partner · Banking & Finance

Neil Campbell photo

Neil Campbell

Partner, Head of Financial Services · Banking & Finance

Niall Michel photo

Niall Michel

Partner · Litigation

Niamh Caffrey photo

Niamh Caffrey

Partner, Co-Head of Tax · Tax

Niamh Callaghan photo

Niamh Callaghan

Partner · Corporate / M&A

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