Mr Justin McKenna > Mason Hayes & Curran LLP > Dublin, Ireland > Lawyer Profile

Mason Hayes & Curran LLP
D04 TR29
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Justin is a partner in MHC’s Corporate team, specialising in corporate finance, mergers & acquisitions and private equity transactions. He has extensive experience in corporate transactions with emphasis on all aspects of offers for, or the acquisition or disposal of, interests in public companies and the regulation of such transactions, public offers of equity securities, private equity transactions and investment and acquisition transactions involving management groups.

Justin has advised bidders, shareholders, financial advisers and other parties involved in many of the public-to-private transactions which have taken place in Ireland involving quoted companies over recent years in addition to many high profile and complex transactions involving the acquisition of or investments in enterprises. Justin will be appointed to the board of the Irish Takeover Panel in April 2021 as nominee of the Law Society of Ireland.

He also advises in relation to the resolution of disputes between shareholders and demergers/separations of interests in complex and sensitive investment and shareholder matters.

International directories have consistently ranked Justin as one of Ireland’s leading corporate lawyers over the last several years – including in the current editions of PLC Which Lawyer and the Chambers Global Guide to the World’s leading lawyers.


Law Society of Ireland.


University College Dublin (BCL) C Dip. AF.

Lawyer Rankings

Ireland > Capital markets

(Leading individuals: Capital markets: Equity)

Justin McKennaMason Hayes & Curran LLP

Mason Hayes & Curran LLP has a strong track record in ECM matters as well as a growing DCM practice, led by Daragh O’Shea, which has substantial experience advising on the establishment of medium-term note programmes and debt issuances. Justin McKenna heads the ECM practice, which acts for a number of Irish-listed companies.

Ireland > Commercial, corporate and M&A

(Leading individuals)

Justin McKennaMason Hayes & Curran LLP

The ‘highly professional and competent‘ team at Mason Hayes & Curran LLP has extensive experience of domestic and cross-border M&A, private equity transactions and group reorganisations. It has particular expertise in the technology, energy, life sciences and charity sectors. In addition, the commercial practice advises on large outsourcings and distribution agreements. David O’Donnell heads up the corporate team, which includes Justin McKenna, who is particularly experienced in public M&A. Martin Kelleher has notable expertise in the life sciences sector, while new partner Conall Geraghty stands out for his advice to fast-growth businesses. Claire Lord leads the corporate governance and compliance team.