Who we are . . .

Donal W O’Reilly and Co are team of Accountants, Taxation and Business consultants providing a wide range of services to small and medium businesses in Leinster.  We take a very personal and focused approach to our business. Our aim is to offer our clients a high quality, professional and friendly service that is based on the specific needs of our individual clients.

Our team have a broad range of commercial and practical experience enabling us to design and deliver solutions to any challenges that you may face while giving you the support in the running of your business.

Donal O'Reilly

FCCA, CTA, B.A. Econ & Fin

Donal O’Reilly is a member of the Association of Chartered Certified Accountants in Ireland & the United Kingdom and also the Irish Tax Institute.


Donal has been working in practice for in excess of 20 years and has extensive experience in all aspects of general practice. 


Donal specialises in financial statements, taxation and insolvency. 

Breda Mahony

FCA, MAcc, B.Sc. Acc & Fin

Breda Mahony is a member of the Institute of Chartered Accountants in Ireland.


After qualifying as a Chartered Accountant in 2003 from a big four firm,  Breda worked as an Accountant in Industry (Banking, Technology and Healthcare sectors) for 12 years.  Breda felt that the services provided within a practice environment could be enhanced by this commercial experience and joined the practice as a Director in 2017.


Breda has a keen interest in the great outdoors and enjoys running, cycling and travelling. 

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