Europe - Ireland
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Tax

Matheson LLP

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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.

Legal 500 Editorial commentary

Testimonials

Collated independently by Legal 500 research team.

  • ‘The tax team is excellent - technically superb, responsive, collaborative and a pleasure to deal with.’

  • ‘The team's technical excellence, responsiveness, practicality and honesty differentiate them from their competitors. Shane Hogan is simply excellent - forthright, honest, responsive and technically superb. I also hugely value the input of Catherine O'Meara ’

  • ‘Incredibly thoughtful firm - cohesive delivery, consistently excellent.’

  • ‘Gerry Thornton, in particular, stands out for being so caring and so practical.’

  • ‘The Matheson team have a deep knowledge of Irish Tax rules and how they apply to Irish businesses. The team are able to take complex Irish and Foreign tax concepts and help us to implement them within the company.’

  • ‘The Matheson team provide top quality service. They are very timely in replies, and will go the distance to make sure the technical advice provided is well thought out and appropriate. ’

  • ‘Knowledgeable, pragmatic, experienced, well informed, available, very easy to work with.'

  • ‘Tomás Bailey has been an exceptional business partner to my company on tax matters. He is exceptionally knowledgeable and provided advice regarding our options which was invaluable. We were impressed by him, and guided by Matheson throughout, and achieved the best outcome due to their involvement. Cannot recommend highly enough.’

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Key clients

  • AbbVie
  • Advent International
  • Cimpress
  • Circle
  • Fremantle Media Group
  • Horizon Therapeutics
  • Johnson & Johnson
  • JP Morgan
  • Macquarie European Infrastructure Fund
  • MariaDB Corporation Ab
  • ProKidney
  • STERIS plc
  • Trinity Biotech Plc
  • Vermilion Energy Inc
  • Vertex Inc
  • Vertiv

Work highlights

  • Advised Horizon Therapeutics plc on its acquisition by Amgen Inc, valued at approximately $28bn.
  • Advised Waystone on two transformational transactions in 2022.
  • Advised Graham Partners on its acquisition of a majority ownership of Irish company Taoglas.

Lawyers

Hall of Fame
The lawyers at the very top of the profession, widely known and respected by peers and clients for their longstanding involvement in market-leading work.
Turlough Galvin
Hall of fameMatheson LLP
Turlough Galvin is the Co-Head of the Finance and Capital Markets Department. Prior to this, Turlough was head of the Tax Department for more than 10 years. He advises international corporations, investment banks and financial institutions doing business in and from Ireland. He specialises in all forms of structured finance, securitisation, financial services tax, fund finance, loan portfolio and debt capital markets advice. He also provides strategic advice to the financial services industry in relation to disputes arising from structured finance arrangements and tax litigation issues. Turlough is recommended as a Tier 1 Capital Markets lawyer and a Tier 1 Tax lawyer by leading legal publications and has been included in the Legal 500 EMEA Hall of Fame. Turlough was involved in modernising the Irish securitisation legislation framework in 2002 and various amendments to Irish tax and capital markets legislation over the past couple of decades. Turlough helped to establish and served as the first chairperson of the Irish Debt Securities Association (IDSA) from 2012 to 2015.  The IDSA is an industry organisation formed to promote and develop Ireland as a location for activities to support the global structured finance, debt securities and specialist securities industries. Turlough was educated at law school in Trinity College Dublin, qualified as a solicitor in Ireland in 1995 and as a solicitor in England and Wales in 1996. Prior to joining Matheson in Dublin in 2000, Turlough worked for Deutsche Bank and Slaughter and May in London. Turlough is a regular speaker and writer on international tax and structured finance issues.
Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.
Joe Duffy
Matheson LLP
Joe is a partner in the Tax Department at Matheson.  Joe has extensive experience in corporate tax law and advises on international restructurings, mergers and acquisitions, tax controversy and transfer pricing. Joe speaks regularly on international tax matters in Ireland and abroad.  He has also written on international tax matters, transfer pricing and tax controversy for publishers including IBFD, Kluwer, Thompson Reuters.  Joe is the Ireland editor of the Bloomberg Double Tax Treaty Series.  Joe has been an active participant in the American Chamber of Commerce tax working group for many years. Joe is a qualified solicitor, chartered accountant and tax advisor in Ireland and has qualified as an attorney in New York.  Joe has previously worked in a Big 4 accountancy practice and as in-house tax counsel for a US multinational.
Shane Hogan
Matheson LLP
Shane Hogan is a partner in the firm's Tax Department and is a member of the firm's International Business Group and US Business Group. Shane advises international corporations doing business in and from Ireland on all aspects of corporate tax. His main focus is in inward investment projects, cross border tax planning and corporate restructurings as well as mergers and acquisitions on an international and national level. Shane also advises on Irish stamp duty matters particularly in the context of global reorganisations. Shane frequently publishes articles in leading tax journals and is co-author of the Irish Chapter of the IBFD's publication on Transfer Pricing. Shane was Chairman of the Irish branch of the International Fiscal Association from 2006 to 2010 and remains an active Committee member. Shane is both a qualified solicitor and chartered accountant and is a member of the Law Society of Ireland, the International Bar Association, the Irish Taxation Institute and the Institute of Chartered Accountants in Ireland.
Gerry Thornton
Matheson LLP
Gerry Thornton is a partner in the Tax practice of Matheson. Gerry advises on all aspects of corporate tax. His main focus is the financial sector, including asset management, finance and asset finance, banking and investment banking, leasing, derivatives and insurance. Gerry frequently advises on mergers and acquisitions, tax litigation and tax disputes. Gerry takes an active industry role in developing Ireland’s financial sector.  He is a member of the tax steering committee of Irish Funds, the representative body for the international investment fund community in Ireland, and is chair of Irish Funds' international tax working group. Gerry has been closely involved in financial sector consultations on Finance Bill amendments to Irish tax legislation for many years, including the 2011 and 2016 amendments to the Irish securitisation regime and the 2016 and 2019 amendments to the Irish real estate funds regime. In 2014, Gerry was closely involved in the introduction of the ICAV. Gerry is the author of the Irish chapter of the International Bureau of Fiscal Documentation's publication on permanent establishments. Gerry lectures frequently on financial services tax matters. Gerry is a qualified solicitor and a qualified tax consultant and is a member of the Law Society of Ireland and the Irish Taxation Institute.  Gerry has previously worked in the group tax department of an investment bank in the City of London.
Next Generation Partners
Junior partners with significant recognition from clients and peers in the market and key roles on multiple matters.
Tomás Bailey
Matheson LLP
Tomás advises Irish and international corporations doing business in and from Ireland on all aspects of corporate taxation.  Tomás primarily advises on corporate acquisitions, reorganisations, tax structuring for inbound and outbound investment, and tax controversy.  Tomás frequently advises on Irish stamp duty matters particularly in the context of global corporate transactions. Tomás regularly publishes articles and chapters in leading tax publications on international and domestic tax matters. Tomás is a qualified solicitor and Chartered Tax Adviser (CTA).
Matthew Broadstock
Matheson LLP
Matthew Broadstock is a partner in the Tax practice of Matheson specialising in Indirect Taxes. Matthew advises in relation to Value Added Tax (both at an Irish and EU level), Customs and Excise queries and Relevant Contracts Tax.  Matthew advises a broad spectrum of Irish and international clients across various industries on contentious and non-contentious issues. Matthew provides detailed advice on VAT and RCT as it applies to property transactions in Ireland.  Matthew also provides detailed advice regarding the application of VAT to clients in the exempt banking and insurance industries.  Matthew is a member of the Indirect Tax committee of Irish Funds, the Funds industry representative body in Ireland and advises many clients in the industry. Matthew also has a lot of experience advising a large number of significant clients in the technology and pharmaceutical industries.  He has recently advised clients regarding VAT on electronic supplied services in the EU and the implementation of MOSS throughout the EU.  Matthew also has significant experience advising upon the VAT treatment of multi-jurisdictional supply chains.  In this regard Matthew has also coordinated a number of large cross-jurisdictional projects regarding indirect taxes. Matthew is a qualified solicitor and a member of the Law Society of Ireland as well as being a non-practicing member of the Bar Council of England and Wales and a member of the Honourable Society of Lincoln’s Inn and a qualified solicitor in England and Wales.

Practice head

The lawyer(s) leading their teams.

Shane Hogan

Other key lawyers

Turlough Galvin, Catherine O’Meara, Gerry Thornton, Joe Duffy, Aidan Fahy, Tomás Bailey, Matthew Broadstock, Caroline Austin, Brian Doohan, Vahan Tchrakian, Philip Tully, Barry McGettrick, Olivia Long

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