Ronan joined O’Brien Harnett & Associates in 1999 as a trainee accountant having previously worked in industry. He qualified as a CPA in 2004 and a QFA in 2009.
After he qualified as a CPA he joined Ernst and Young working in their Technology & Security Risk Services department before re-joining O’Brien Harnett as an Audit Manager, subsequently becoming a Partner. Following the merger of O’Brien Harnett & Associates and Sherry McNabola Murray & Co, Ronan is now a partner in Walsh O’Brien Harnett.
Ronan specialises in the provision of Audit & Assurance service to the charity and not for profit sector within the firm, and has over 15 years’ experience in this field, particularly with religious congregations. He is responsible for a sizable portfolio of clients in that sector.