Timothy F. Carthy - Senior Partner 


Tim has almost 30 years of experience in auditing, accounting and business consulting. Heading up the company’s Corporate Finance division, Tim has expertise in complex lending, private equity financing, accessing public capital markets, commercial disputes, valuations and fraud. He is often called upon to provide expert testimony in court cases. A fluent French speaker, Tim also has extensive international experience.


Tim joined Duignan Carthy O’Neill in 1999 after working with Arthur Andersen in Dublin, France, the United States and Australia. His areas of industry expertise include pension funds, construction, engineering, property, leisure and hospitality, financial services, and Insurance.

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Qualifications and Professional Memberships
  • Fellow of the Institute of Chartered Accountants in Ireland

  • Member of the Institute of Chartered Accountants in Australia

  • Bachelor of Law, Trinity College Dublin

Duignan Carthy O’Neill is registered with the US based Public Company Accounting Oversight Board (PCAOB) which enables the firm to undertake the audit of USA Public Company Subsidiaries located in Ireland and the UK


Authorised by the Institute of Chartered Accountants in Ireland to carry on Audits and Business Activities.

Member of AGN International Ltd an association of independent accounting and financial advisory businesses. AGN International Ltd (and its regional affiliates; together "AGN") is a not-for-profit worldwide membership association of separate and independent accounting and advisory businesses. AGN does not provide services to the clients of its members, which are provided by Members alone. AGN and its Members are not in partnership together, they are neither agents of nor obligate one another, and they are not responsible or liable for each other's services, actions or inactions

© 2015 DUIGNAN CARTHY O'NEILL. Chartered Accountants, Registered Auditors, Dublin, Ireland. All Rights Reserved.