Denis Herlihy

Denis Herlihy is Managing Partner at BDO Limerick. He is also a Tax Partner.


Denis has 27 years’ experience in the provision of taxation services to a diverse range of clients ranging from agricultural, engineering and food service to high net worth individuals.


Denis has an in-depth knowledge of Revenue audit investigation and advises a significant number of clients annually in this area. He has represented many clients on taxation matters before the Appeal Commissioners, the Circuit Court and the High Court.


Denis holds a Master of Commerce Degree from University College Dublin. He is a Fellow of the Irish Taxation Institute and a former council member. He edits “FINAK”, the Irish Taxation Institutes annual publication that interprets and provides guidance in relation to the Finance Act. He also holds a Diploma in Arbitration from University College Dublin. In October 2011, Denis was appointed by the Chief Justice as Commissioner for Oaths for the city and county of Limerick.

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BDO is a firm of registered auditors and is registered to carry on audit work in Ireland and the UK by the Institute of Chartered Accountants in Ireland. Details about our audit registration can be viewed at under reference number 223876. BDO is also authorised to carry on investment business in the Republic of Ireland by the Institute of Chartered Accountants in Ireland.