Ciarán Medlar, Partner


Ciarán is the Partner in charge of Taxation Services in BDO Ireland. Ciarán has 30 years experience advising many of Ireland’s leading companies and entrepreneurs on taxation matters.



Ciarán advises a number of corporate and personal clients, Irish and multi-national, on their tax planning strategies from both a domestic and international perspective. This includes advice on transfer pricing strategies, research and development tax credits and intellectual property structures.

Ciarán also leads the BDO Sports Advisory Unit. BDO is the first and only Irish professional services firm to have a dedicated sports unit which advises sports professionals, clubs and National Governing Bodies. Within this role, Ciarán advises on all aspects of their financial and commercial planning. He also advises a number of high net worth entertainers and musicians on their Irish and global tax affairs.

Ciarán advises many international corporate groups including Google, America Online and Bertelsmann on corporate and personal tax issues.

Ciarán has contributed numerous articles on tax issues to the Irish Tax Review and other professional publications. He worked with the Irish Revenue Commissioners from 1985 until 1990 when he moved to private practice. Ciarán has extensive experience in advising on all aspects of Revenue relationships and audits.

Ciarán is a member of the Irish Taxation Institute and serves on a Revenue Liaison Committee.