EY Ireland has appointed Kilkenny native Karl O'Donnell as an equity partner in its assurance practice, part of a wider partner round that matters because it shows a major professional services firm continuing to invest in senior leadership as client demand grows more complex, a signal accountancy professionals watch for where specialist capacity and career progression are being built next.

EY Ireland is the island-wide arm of the global EY network, employing more than 5,400 people across seven offices in Dublin, Belfast, Cork, Galway, Limerick, Waterford and Derry.

Karl O'Donnell is a chartered accountant with more than 15 years' experience providing assurance services to multinational companies and high-growth private businesses across technology, renewable energy and agribusiness, specialising in international financial reporting standards and internal control frameworks. He has spent three years with EY's Dublin office, having previously worked in Waterford for more than a decade, and continues to support South-East clients.

O'Donnell's appointment lands within a broader wave of new EY Ireland equity partners announced this year, taking the firm's total partner count to 157 as it builds out leadership across every region rather than concentrating appointments in Dublin.

That expansion follows sustained financial performance: EY Ireland reported revenue of 843 million euros for the year to June 2025, up 9.3 per cent, making it the largest professional services firm on the island and giving it scale to keep adding equity partners as headcount approaches 5,400.

O'Donnell's path, more than a decade in Waterford before moving to Dublin while retaining South-East client responsibility, reflects a common structure among the Big Four in Ireland: senior talent trained regionally, then promoted centrally while continuing to serve the client base that shaped their specialism.

That structure matters because O'Donnell's clients sit in sectors with distinct assurance demands: technology and renewable energy clients need work built around evolving reporting standards, while agribusiness clients often carry more complex internal control needs tied to seasonal cash flow.

For the sector, the appointment is a reminder that the South-East's technology, renewable energy and agribusiness base is substantial enough to justify equity-level specialist attention, rather than being served purely as an extension of Dublin-based teams.

Source: Ireland Live / The Irish Times