Ciarán O' Brien

Partner - Audit and assurance

Ciarán O' Brien

Deloitte Ireland LLP

29 Earlsfort Terrace

Dublin 2


D02 AY28

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Ciarán is a partner in our Audit & Assurance department. He currently serves a portfolio of clients in the consumer business, energy and technology sectors. Ciarán has substantial IFRS experience, having co-ordinated the audit of the transition from US GAAP and/or Irish GAAP to IFRS for a number of companies. He has detailed knowledge of accounting issues relating to areas such as software revenue recognition, business combinations, complex financial instruments and tax accounting.