Commitment to you

We are now living through extraordinary and very difficult times with Covid-19. 


Our partners and staff are still working as normal and are contactable through the regular phone and email channels. 


Please do not hesitate to contact us directly - and above all stay safe as we all work through this trying period.

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.

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