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  • Bryan McCarthy



    Bryan’s core areas of practice are corporate, commercial and finance. He has broad experience of advising across a number of jurisdictions on mergers and acquisitions, equity investments, restructurings, secured and unsecured financings and refinancings, and data protection.

    Bryan also leads Ronan Daly Jermyn’s Cyber and Data Protection Group, representing organisations on a broad range of data management issues including GDPR, data security breaches, data subject rights, international data transfers, employee data, due diligence in sales of corporate assets and compliance training.

    Prior to joining the firm, Bryan was Chief Legal Officer of IBRC. He was recognised by Legal Business as a Rising Star on its GC Power List and described as “very experienced and practical, with a truly in–depth knowledge of banking law and a good appreciation of the need for clear and prompt instructions”. Bryan was also endorsed as “proving himself robust in steering IBRC through a very difficult period of change and uncertainty” and that “one of his resounding achievements has been his management of internal matters at the bank following the special liquidation of IBRC in February 2013.”

    Bryan joined Ronan Daly Jermyn as a partner in January 2015. In addition to his in-house experience, he was formerly with Maples and Calder in the Cayman Islands. Before that he worked for King & Wood Mallesons in London, Dentons in Australia  and a large Irish corporate law firm.


    — Self-regulation versus legislative intervention | Irish Examiner | 18 September, 2018

    — Watchdog may make example in new data law | Irish Examiner | 11 May, 2018

    — Amateurs hack computers. Professionals hack humans | | 29 May, 2017

    — When it comes to the law, ignorance is no excuse | The Irish Times | 27 April, 2017

    — The European Union is watching you | European Business Magazine | 18 April, 2017


    — “GDPR for advertisers”, IAB Ireland, April 2018, Facebook Ireland

    — Sheriffs’ Association of Ireland, April 2018, Dublin

    —“GDPR – a further frontier?”, Nexus Innovation Centre, April 2018, University of Limerick

    — “GDPR CTA Masterclass”, Irish Tax Institute, April 2018

    — “GDPR Masterclass”, National Recruitment Federation, September 2017, Dublin Chamber of Commerce

    — “Get to Grips with Data Protection”, Enterprise Europe Network, Cork Chamber, it@cork, September 2017, Cork

    — “GDPR – what are your legal requirements? Key changes and impact on SMEs”, Enterprise Ireland, July 2017, EI Dublin

    — “GDPR - 25th May 2018 is the Start  … not the End”, TechConnect Live, May 2017, RDS Dublin

    — “Data Breaches and Crisis Management”, Irish Computer Society, May 2017, ICS Dublin

    — “Key Changes and Impact of GDPR for Data Subject Access Requests”, Irish Computer Society, May 2017, ICS Dublin

    — “Cyber Threat and the Board Response: Culpable or Capable?”, Berkeley Research Group, March 2017, London

    — “Data Protection and the Law”, Zero Day Conference – keynote speaker, March 2017, National Convention Centre Dublin


    University College Dublin (BCL) (Diploma in Business Studies)
    Practitioner Certificate in Data Protection


    Admitted as a solicitor in Ireland
    Also admitted as a solicitor in England, Wales and New South Wales, Australia (non-practicing)
    Attorney-at-law in the Cayman Islands (non-practising)
    Qualified Data Protection Practitioner (PDP - Practitioner Certificate in Data Protection)


    Bryan has been recognised as a leading lawyer by The Legal 500 for his work in multiple practice areas, including; Banking and Finance, Corporate and M&A, Commercial Law and Information Technology. 

    In the 2018 edition of The Legal 500, clients recognise Bryan as “experienced and proactive” and an “exceptionally talented lawyer”.





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