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A&L Goodbody is a stalwart in the Irish tax market with distinction in the largest M&A transactions. The firm is also known for its activity within the financial sector, including work for investment banks, equity funds, hedge funds, and retail banks. Corporate taxation specialist Paul Fahy leads the tax department, with the support of partner James Somerville and transactions counsel Philip McQueston. Capital markets specialist Amelia O’Beirne is a prominent practitioner ably assisted by senior associate Stephen Egan.
The firm advised Grant Thornton Ireland on the combination of its advisory and tax businesses with Grant Thornton Advisors LLC in a market pioneering file. It also advised K1 Investment Management on its takeover of MariaDB featuring a compulsory acquisition.
Client feedback
‘’High degree of expertise in corporate tax including investment funds and real estate.’’
‘’Very responsive, reliable and forward thinking. Offering solutions/alternate solutions, multi discipline. Talented, professional staff, approachable and friendly.’’
Arthur Cox is a renowned advisor on innovative Irish transactions, structured finance, and real estate portfolio disposals. The Arthur Cox Tax Group focuses on both international and domestic markets, with mandates from multinationals and government bodies. Partner Fintan Clancy is head of tax, supported by fellow partners Ailish Finnerty, David Kilty, and Orlaith Kane.
The firm advised Flutter Entertainment plc on its acquisition of a 56% initial stake in NSX Group and assisted Flutter Entertainment on acquiring Snaitech in a $350 million transaction. It also represented Starwood Capital Group on its strategic investment in Echelon Data Centres, pertaining to a new €900m debt facility.
Senior associate Nicola Cavey arrived from Freshfields Bruckhaus Deringer in January 2025. Associate Simona Prielaidiate departed to the Revenue Commissioner Solicitors in July 2024.
Client feedback
‘’Responsive and client minded.’’
‘’Comprehensive and creative solutions to the main issues of the deal.’’
Deloitte is an internationally reputed tax advisory firm with cross-discipline expertise in M&A, indirect tax, and R&D service lines in cross-border context. Buoyed by an international network, the practice has a vibrant transfer pricing capacity. Applied technology in taxation places the firm at the forefront of innovation across financial services, private equity, e-commerce and the energy sectors. The head of taxation is Lorraine Griffin, assisted by partners Joanne Whelan, Daryl Hanberry, and Matthew Dolan.
Recent highlights include multi-jurisdictional tax diligence, structuring, and post-acquisition integration for an Irish multinational. It also established a branch profit allocation methodology for an insurance firm.
Eversheds Sutherland’s esteemed tax practice is renowned for holding company structures in Ireland and restructuring complex cross-border mergers. The firm is active in finance, real estate, and renewable energy. The full-service Irish law firm offers a multijurisdictional advisory service. Tax planning specialist Alan Connell is managing partner and head of tax, supported by partner Robert Dever and senior associate Andre Vermeulen.
The firm advised GRE in relation to the sale of Westwick and the acquisition of Waterfront. It also advised on dividend withholding tax and asset transference pursuant to a new limited partnership.
Senior associate Andre Vermeulen joined the firm during the research period, with solicitor Pamela Brennan also coming on board. Outbound partner Tim Kiely, senior associate Melissa Daly and solicitor Niall Pilkington all left during that time as well.
Client feedback
“Responsive and clear fee structure.”
“Very knowledgeable, pragmatic, well informed and technically excellent team, who are very supportive of their clients and always ready to assist and advise. Always superbly responsive and solution-focused – the type of people you can readily call up when you have an unusual problem that requires creative thinking without leaving the comfort zone for the executive team.”
“Technically excellent and very well versed in revenue practice. Very responsive, practical and hands on and very accommodating and user-friendly.”
“Extremely knowledge in all aspects of their brief and very efficient and friendly service. Full transparency regarding the work they were doing and associated costs.”
Maples Group focuses its taxation practice on internationally aligned investment funds and platforms. The firm collaborates with its Luxembourg based team to assist mainland European clients in tandem with offices in Bermuda and the Cayman Islands. The firm comprises head of tax Andrew Quinn, partners William Fogarty, Lynn Cramer, and counsel David Burke.
The firm was Irish tax counsel to Fortress Investment Group LLC for tax structuring advice on Irish investment platforms. It also acted for Apollo and ATLAS SP Partners in a $5 billion strategic financing and capital markets collaboration with BNP Paribas. The practice was sole tax advisor to Marathon Asset Management in a lucrative aviation holding structure deal.
Client feedback
‘’Repeatedly proven to be far superior in the provision of taxation advice for Real Estate leasing & conveyancing questions.’’
‘’Strong tax technical team who understand complex tax issues and processes.’’
Matheson is a full-service tax practice with distinction in cross-border transactions. The firm provides indirect, incentive planning, controversy, and transfer pricing services. Industry expertise covers insurance, energy, fintech and real estate. The head of tax is partner Shane Hogan, supported by fellow partners Joseph Duffy, Aidan Fahy, Turlough Galvin, Catherine O'Meara and colleagues.
The firm advised Horizon Therapeutics on its announced acquisition by Amgen, valued at approximately $28 billion. It also advised Johnson & Johnson on its Consumer Health business separation.
Client feedback
“Strong on US-Irish transactions.”
“Matheson's M&A practice is very strong.”
“Strong tax practice with specialism across a variety of areas.”
“Matheson provided timely accurate advice on how to structure the acquisition, the drafting of supporting documentation, and liaising with the Irish tax authority about the transaction.”
“Proactive, solution-focused approach.”
“Their technical knowledge is excellent. They communicate very clearly and are a pleasure to deal with. They are responsive and supportive. They were able to demonstrate an understanding of the organisation and issues at hand quickly and were able to ensure we received tailored relevant advice.”
“Practical, responsive, technically strong.”
“Very responsive and practical in their advice. Always pragmatic and solution oriented.”
“Matheson are very knowledgeable in tax controversy, both from a technical tax perspective as well as legal basis perspective. They provide sound technical advice for us to advance our cases with tax authorities. In addition, they have a good working relationship with the tax authorities to enable smooth running projects.”
“Execute on feedback provided by client. Technically strong.”
“Excellent understanding of the Irish tax environment, great connection to the relevant stakeholders in the Irish Revenue. Great at understanding our business and from that jointly developing a strategy for the negotiations.”
“Would highly recommend Matheson. They are very pragmatic and responsive and always commercially minded. They have a good understanding of our business and goals.”
“They have broad knowledge and experience in the specific area we were engaging them on, which was tax related. They had walked the same path many times before and it made us feel at ease we were in good hands. Matheson were able to steer the ship and work along with legal advisors in the other jurisdiction to resolve the matter.”
“It is a very personalised advice.”
“They are pragmatic and provide industry-specific advice in a timely manner. They are always available to bounce ideas off.”
Walkers combines a front-end tax advisory practice with transactional tax expertise across financial services, real estate and corporate matters. The practice has esteem in debt capital markets and asset finance work. Walkers is a member firm of the Lex Mundi network, with a large global footprint across 10 offices. Ireland office managing partner Jonathan Sheehan heads the tax practice. Recognised tax specialists Padhraic Mulpeter and partner Eimear Burbridge are fellow practitioners.
The firm acted as local Irish tax counsel for the issuers in an extensive number of CLO transactions, valued at EUR 18 billion. It also served as Irish legal and tax counsel in a USD 300 million senior unsecured and guaranteed bond issuance by ASG Finance DAC, an Irish subsidiary of Avia Solutions Group.
Client feedback
‘’Are solution orientated and made a concerted effort to understand company dynamics when determining tax specifications and advisory recommendations.’’
‘’Receptive to feedback, client-orientated and collaborative on international projects where coordination is paramount.’'
William Fry is the only independent, non-audit, multi-disciplinary global tax practice in Ireland. The full-service firm provides complex structuring advice on leading transactions, along with compliance and due diligence services. The firm advises the pharmaceutical, retail and technology sectors. Partner Sonya Manzor is head of tax and works with head of financial services tax, Ted McGrath. Fellow partners Brian Duffy and Anne Tobin comprise the senior leadership.
The firm acted for Amgen on its proposed acquisition of Horizon Therapeutics, valued at $28.3 billion. It also advised the government on a state aid case.
Associates Dorothea Turley and Rachel Gaffey joined the practice. Outgoing partner Declan Lavelle departed to DLA Piper during the research period.
Client feedback
“They are very dedicated and technical and nice to work with.”
“The partners we work with are commercial and responsive. They excellent at explaining detailed, technical tax concepts in a clear and concise manner. They have a deep understanding of international tax structuring matters which we find incredibly beneficial, along with access to world class tax advisory firms through the Taxand network.”
“Strength in depth, clear tax advice, delivery to budget and in a timely fashion.”
Our Tax Group is one of the leading tax law practices in Ireland. We provide fully comprehensive and commercial tax advice to a broad range of domestic and international clients operating in all sectors of the Irish economy. We provide high value advice on important transactions and challenging situations. Our team is an integrated part of the firm’s wider legal practice for clients but also provides stand-alone tax advice.
The Group takes the lead on advisory, transactional and contentious matters or works on an integrated basis with other practice groups in the firm such as corporate, finance, capital markets, real estate and litigation. Our clients include large multinational public companies, many of the world’s leading financial institutions, government bodies and many of Ireland’s leading companies.
The Tax Group is involved in the development of Irish tax policy and Ireland’s response to international tax reform. The tax team has engaged extensively with the Irish Department of Finance, the EU Commission and OECD on new legislative proposals, responding to public consultations, legislative feedback statements and engaging with the Irish Department of Finance and European Commission on specific matters of concern for clients. Acting on our own and also as part of various collective efforts, we have been involved in efforts to strengthen the Irish tax system and to make Ireland a leading jurisdiction for international business.
The Maples Group, through its international law firm, Maples and Calder, advises global financial, institutional, business and private clients on the laws of the British Virgin Islands, the Cayman Islands, Ireland, Jersey and Luxembourg.
The Maples Group's Tax team advises international companies, financial institutions, investment firms and significant family offices. Our Tax team is made up of senior and experienced tax lawyers and prides itself on its technical excellence and transactional capabilities.
We work closely with counsel in the world's leading financial centres and with lawyers across our firm to develop innovative solutions for our clients.
We advise investors on the structuring of their international investments through Irish special purpose companies and Irish funds. We also advise businesses establishing a presence in Ireland.
We are also closely involved in OECD, EU and Irish tax policy matters and help our clients navigate the significant changes currently affecting international tax. Andrew Quinn is Chairman of the Irish Debt Securities Association (IDSA), the industry group representing Irish special purpose and debt issuing companies, and through IDSA liaises at a senior level with Irish and EU government authorities.
As we are also a leading provider of fiduciary and fund services, we provide a "one stop" service in establishing and servicing structures for our clients, including the provision of independent directors, Irish tax compliance and FATCA/CRS reporting.
Our Tax team is described by leading directories as a "partner led service" and "a pragmatic and responsive team that understands the practical, commercial issues". Clients also praise the team for their "ability to bring multiple disciplines together to find a comprehensive but client-focused solution."
Five time winner of the International Tax Review European Tax Award for Ireland, A&L Goodbody's Tax Group provides Irish taxation advisory and transactional services to many of the world's largest corporate and financial institutions. We maintain close links with leading tax lawyers in all the major jurisdictions in order to provide a co-ordinated tax service in multi-jurisdictional transactions. This ideally positions us to advise on cross border transactions with a seamless service from negotiation to implementation.
