Deloitte Ireland provides audit, consulting, tax, and related services. The firm is one of the Big Four accounting firms, and Deloitte's global parent organization reports revenue of US$70.5 billion and 470,000 employees worldwide. In Ireland, Deloitte has approximately 3,000 people providing audit, tax, consulting, and financial advisory services to public and private clients spanning multiple industries.
Deloitte Ireland reported a turnover of €558,433,000 for the financial year ending May 31 2025, representing 8% growth on the prior year. The firm operates four business units: Audit & Assurance, Technology & Transformation, Strategy Risk & Transaction - Advisory, and Tax & Legal, with growth across all four units. Key growth drivers include digital transformation, ESG metrics support, and financing and capital management services.
Recent Operations
Deloitte has signed a lease for a new Dublin headquarters at Adelaide Road, a 10-storey property offering approximately 160,000 square feet of space to consolidate its operations.
Recent Leadership News
- Graham Healy appointed regional leader for Cork, October 2026.
Facts compiled by Executive Moves from publicly available news and press releases on 30 September 2026. Spotted an inaccuracy? Email us and we'll review within 1 business day.
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