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Dave O'Brien

Dave O'Brien

Tax Director


Dave joined Quintas in 2012 where he became Manager in the tax department before being appointed to the position of Tax Director.

Dave leads the Tax consultancy department, both from a corporate and personal perspective. This department offers extensive tax planning services concentrating mainly on company reorganisations, mergers and acquisitions and succession planning. The department also corresponds with Revenue dealing with audits and aspect queries for clients. From a VAT perspective Dave has extensive knowledge on VAT on property and VAT for international clients doing business in Ireland.



Dave has significant experience in tax roles, both in EY and in Quintas. Dave’s clients come from all sectors of business life in Ireland ranging from multinationals to sole traders and everything in between.


Qualifications & Previous Roles

Dave is a graduate of UCC where he received first class honours in Finance. Dave is a Chartered Tax Advisor (CTA) and is a member of the Irish Tax Institute.

Prior to joining the firm, Dave worked for EY in various tax roles within that organisation.


Expertise Covers

Mergers & Acquisitions, VAT, Succession Planning, Company Reorganisations, Revenue Audits