A&L Goodbody LLP is a leading force in M&A and capital markets-related tax matters, transfer pricing (including transfer pricing audits and litigation) and tax disputes; it has an impressive record in tax assessment appeals. The team advises a range of domestic and international corporates, financial institutions and financial sponsors. Paul Fahy heads the tax group and has continued to be prominent in tax disputes and transfer pricing. Amelia O’Beirne provides additional senior-level tax expertise in capital markets offerings, M&A transactions, transfer pricing and disputes. James Somerville has a major focus on financial services and property-related tax. Of counsel Philip McQueston is ‘a consummate all-rounder in Irish tax‘.

Arthur Cox has a sizeable team of tax specialists covering the full range of transactional, advisory and contentious matters. The tax team advises a broad mix of domestic companies, multinationals, financial institutions, private equity houses and government entities. It has worked on a series of headline corporate restructurings, M&A transactions and capital markets deals, along with high-value disputes. Fintan Clancy heads the tax group and leads many of the group’s major engagements, including M&A and capital markets-related tax issues. Ailish Finnerty and David Kilty are also key members of the team. Caroline Devlin retired in July 2023.

Matheson LLP stands out for its large team and its advisory capabilities, coupled with extensive transactional and contentious expertise. Many of the partners are qualified chartered accountants, chartered tax advisers and have experience of working in Big Four accountancy firms. It is widely recognised for its financial services tax practice, which has included recent advice on major corporate restructurings, investments and acquisitions. The firm is also acclaimed for its indirect tax expertise and abilities in tax controversy. Joe Duffy, Turlough Galvin, Shane Hogan, Catherine O’Meara and Gerry Thornton are at the top of the market, with Tomás Bailey and indirect tax specialist Matthew Broadstock also impressing. In early 2024, Olivia Long rejoined the firm as head of tax policy from her previous position with the OECD in Paris.

William Fry LLP is a leading firm in transactional-related matters and tax disputes. It has an extensive record in M&A, private equity, real estate investments and structured finance deals. It has continued to advise on the tax aspects of a number of headline cross-border M&A transactions and investments. It has landed significant roles from clients involved in tax disputes and appeals before the Tax Appeals Commission. The sizeable team features a number of highly reputed partners, especially department head Sonya Manzor. Ted McGrath  leads the financial services tax team, which includes partner Anne Tobin, and Brian Duffy is rated for tax disputes. Rachel Fox left the firm.

Eversheds Sutherland‘s reputation continues to grow in Ireland, showcased by its impressive client base and high level engagements; this includes headline private equity and cross-border M&A-driven matters. The team is also noted for holding company structures, corporate restructurings and its ability to manage projects across multiple jurisdictions; it represents a large number of multinationals and global financial institutions. The tax group remains heavily involved in renewable energy, structured finance, funds and real estate. Dublin managing partner and head of tax, Alan Connell has an outstanding record in inward investment, cross-border M&A transactions and corporate restructurings. Tim Kiely left the firm.

Maples Group has a broad and highly specialised tax practice with an extensive record in investment funds, structured finance, capital markets and asset finance; it is especially well known for private equity and structured finance-related tax matters. The firm has continued to impress in corporate tax, tax litigation and controversy, along with personal tax matters for high net-worth individuals. It has strong connections to investment banks, private equity funds and other asset managers. Andrew Quinn leads the tax group, which includes the highly rated William Fogarty and Lynn Cramer, who is noted for tax planning for international clients.

Mason Hayes & Curran LLP's tax team has extensive experience in corporate and M&A transactions, including transatlantic deals, and has a fine record in the life sciences, technology, built environment, energy and financial services sectors. Corporate reorganisations and aviation financings are fortes too. It is also noted for tax disputes. Niamh Caffrey and Kevin Mangan co-head the tax group, the latter ‘a stand out addition to the team‘ having joined from Google in 2023.

McCann FitzGerald LLP is at the forefront of structured finance, securitisation and aviation finance matters. The tax team has also advised on a series of headline cross-border M&A transactions and private equity investments, along with joint ventures and agreements relating to renewable energy projects. Alan Heuston  is a prominent practitioner in M&A transactions, reorganisations, restructurings and migrations. Eleanor MacDonagh is a leading name in financial services tax, especially international tax planning through Ireland. Deirdre Barnicle was promoted to consultant in 2023 and is head of tax compliance services. The team is building its standing in transfer pricing with senior associate James Quirke to the fore.

Walkers has demonstrated a strong and broad commitment to tax, most notably in relation to finance, debt capital markets, real estate, investment funds, aircraft leasing and corporate transactions. The firm’s substantial debt capital markets and investment funds teams provide a platform for a thriving tax practice. The tax team is especially active in CLO transactions, along with loan origination and receivables platforms, ILS issuances and CMBS transactions. ‘Unrivalled tax practitioner‘, Jonathan Sheehan is Dublin managing partner and head of tax, with Aisling Burke having a fine reputation for CLOs, receivables financings, M&A and real estaterelated matters. Tax consultant Padhraic Mulpeter is a senior and active figure in the team for financial services, including securitisation and structured finance transactions. Counsel Eimear Burbridge is rated for CLOs and securitisations.

ByrneWallace LLP has an established team featuring two partners with a particularly strong record in financial services and property-related tax, along with indirect tax. The team has advised on a series tax matters connected to high-value M&A transactions, venture capital fundraisings, property asset acquisitions and disposals, and loan arrangements. Anthony Smyth heads the team with Lee Squires leading the indirect taxes practice.

RDJ LLP‘s tax team is widely recognised for its experience in cross-border M&A, corporate and private equity transactions. It has further expertise in private client matters. The group advises a range of Irish corporates, including owner-managed businesses, along with a number of multinationals. John Cuddigan is an experienced figure in corporate transactions, financings and projects. Mark Barrett is also noted for cross-border M&A, the establishment of Irish bases for multinationals and Irish businesses moving into overseas jurisdictions. Eoin Tobin specialises in succession planning, probate and trusts.