Ranking tables
Tax: Lawyers | Europe
Ireland
Rankings overview for Lawyers
Ailish Finnerty Arthur Cox11 Years Ranked
Alan Heuston McCann FitzGerald LLP8 Years Ranked- Andrew Quinn Maples Group19 Years Ranked
Gerry Thornton Matheson LLP15 Years Ranked
James Somerville A&L Goodbody20 Years Ranked
Kevin Smith Matheson LLP3 Years Ranked
Martin Phelan Simmons & Simmons LLP20 Years Ranked
Niamh Caffrey Mason Hayes & Curran LLP9 Years Ranked
William Fogarty Maples Group13 Years Ranked
Aidan Fahy Matheson LLP5 Years Ranked
Alan Connell Philip Lee LLP16 Years Ranked
Amelia O'Beirne A&L Goodbody2 Years Ranked
Catherine O'Meara Matheson LLP11 Years Ranked
David Kilty Arthur Cox4 Years Ranked
Eimear Burbridge Walkers4 Years Ranked
John Cuddigan RDJ LLP19 Years Ranked
Kevin Mangan Mason Hayes & Curran LLP2 Years Ranked
Mark O'Sullivan Matheson LLP12 Years Ranked
Maura Dineen DLA Piper8 Years Ranked
All Lawyers profiles
Eminent Practitioners

E Jonathan Sheehan
Walkers | Tax: Lawyers2026 | Eminent Practitioners | 13 Years RankedJonathan Sheehan frequently handles the tax aspects of capital markets and corporate transactions. He is also experienced in matters relating to the establishment of funds and the migration of assets.
Band 1

1 Fintan Clancy
Arthur Cox | Tax: Lawyers2026 | Band 1 | 20 Years RankedFintan Clancy has extensive experience advising on the tax aspects of M&A and capital markets transactions. He also assists with tax disputes.

1 Paul Fahy
A&L Goodbody | Tax: Lawyers2026 | Band 1 | 13 Years RankedPaul Fahy advises on the tax implications of M&A transactions and advanced pricing agreements. He also represents clients in tax assessment appeals and assists with mutual assistance procedures.

1 Shane Hogan
Matheson LLP | Tax: Lawyers2026 | Band 1 | 18 Years RankedShane Hogan assists clients with cross-border APA applications and mutual agreement procedures. He is also well placed to handle tax audits, corporate reorganisation mandates and contentious tax appeals.

1 Sonya ManzorWilliam Fry LLP | Tax: Lawyers2026 | Band 1 | 20 Years RankedSonya Manzor has notable experience in tax structuring for cross-border M&A and restructurings. She is also well placed to handle state aid tax issues.
Band 2

2 Ailish Finnerty
Arthur Cox | Tax: Lawyers2026 | Band 2 | 11 Years RankedAilish Finnerty is experienced in tax considerations connected to M&A and portfolio transactions. She is also knowledgeable in VAT disputes.

2 Alan Heuston
McCann FitzGerald LLP | Tax: Lawyers2026 | Band 2 | 8 Years RankedAlan Heuston acts on tax issues related to cross-border acquisitions, asset sales and investments. He also represents clients in tax disputes.
2 Andrew Quinn
Maples Group | Tax: Lawyers2026 | Band 2 | 19 Years RankedAndrew Quinn assists clients with the tax aspects of investments, refinancing transactions and capital markets mandates.

2 Gerry Thornton
Matheson LLP | Tax: Lawyers2026 | Band 2 | 15 Years RankedGerry Thornton advises clients from the financial services sector on the tax structuring of transactions, along with advising on the tax aspects of establishing new businesses.

2 James Somerville
A&L Goodbody | Tax: Lawyers2026 | Band 2 | 20 Years RankedJames Somerville has experience in mandates pertaining to loan securitisation transactions and the tax aspects of bond issuances, as well as the tax structuring of corporate transactions.

2 Kevin Smith
Matheson LLP | Tax: Lawyers2026 | Band 2 | 3 Years RankedKevin Smith often advises clients such as investment banks, financial institutions and aircraft leasing companies on the tax aspects of Irish financial services.

2 Martin Phelan
Simmons & Simmons LLP | Tax: Lawyers2026 | Band 2 | 20 Years RankedMartin Phelan of Simmons & Simmons assists with M&A-related tax work, as well as the tax aspects of securitisation and financing transactions. He is a chartered tax adviser and practising barrister.

2 Niamh Caffrey
Mason Hayes & Curran LLP | Tax: Lawyers2026 | Band 2 | 9 Years RankedNiamh Caffrey often advises funds and financial institutions on the tax aspects of financing matters, as well as on corporate and real estate transactions and investments. She also assists clients with securitisations.

2 William Fogarty
Maples Group | Tax: Lawyers2026 | Band 2 | 13 Years RankedWilliam Fogarty advises investment funds, asset management companies and technology sector clients on a variety of tax mandates, including tax disputes and the tax aspects of loan obligations, acquisition financing and capital markets transactions.
Band 3

3 Aidan Fahy
Matheson LLP | Tax: Lawyers2026 | Band 3 | 5 Years RankedAidan Fahy is well admired by the market and is able to provide advice on the tax aspects of M&A transactions.

3 Alan Connell
Philip Lee LLP | Tax: Lawyers2026 | Band 3 | 16 Years RankedAlan Connell of Philip Lee assists a broad roster of clients with the tax aspects of corporate transactions and commercial real estate projects.

3 Amelia O'Beirne
A&L Goodbody | Tax: Lawyers2026 | Band 3 | 2 Years RankedAmelia O'Beirne is recognised for her diverse tax practice. She advises on transfer pricing agreements, VAT and restructuring questions.

3 Catherine O'Meara
Matheson LLP | Tax: Lawyers2026 | Band 3 | 11 Years RankedCatherine O'Meara handles the tax aspects of APA applications and restructurings, as well as transfer pricing matters.

3 David Kilty
Arthur Cox | Tax: Lawyers2026 | Band 3 | 4 Years RankedDavid Kilty assists with the tax structuring of corporate and M&A transactions. He further advises on the tax aspects of financial transactions.

3 Eimear Burbridge
Walkers | Tax: Lawyers2026 | Band 3 | 4 Years RankedEimear Burbridge is well placed to advise clients on the tax structuring of financial transactions and investments, including securitisation mandates.

3 John Cuddigan
RDJ LLP | Tax: Lawyers2026 | Band 3 | 19 Years RankedJohn Cuddigan advises on the tax implications of investments, corporate mandates and real estate transactions.

3 Kevin Mangan
Mason Hayes & Curran LLP | Tax: Lawyers2026 | Band 3 | 2 Years RankedKevin Mangan is instructed to advise on restructurings, transfer pricing agreements and VAT rules. He has a focus on financing matters and M&A transactions.

3 Mark O'Sullivan
Matheson LLP | Tax: Lawyers2026 | Band 3 | 12 Years RankedMark O'Sullivan has extensive experience advising clients on transfer pricing matters and tax questions pertaining to post-merger integration of assets. He additionally represents clients in appeals to tax authorities.

3 Maura Dineen
DLA Piper | Tax: Lawyers2026 | Band 3 | 8 Years RankedMaura Dineen advises clients on a wide range of mandates, including the tax aspects of corporate transactions and restructurings. She is also well placed to assist with tax appeals.
Up and Coming
U Colin BolgerWilliam Fry LLP | Tax: Lawyers2026 | Up and Coming | 1 Years RankedColin Bolger acts on the tax aspects of cross-border transactions and investments. He also supports clients with tax appeals and VAT matters.
U Lynn Cramer
Maples Group | Tax: Lawyers2026 | Up and Coming | 2 Years RankedLynn Cramer advises financial services firms on the tax aspects of capital markets transactions. She has extensive experience in securitisation transactions and restructurings.

U Philip Tully
Matheson LLP | Tax: Lawyers2026 | Up and Coming | 2 Years RankedPhilip Tully advises corporate clients on the tax aspects of cross-border M&A transactions, as well as assisting with transfer pricing agreements and mutual agreement procedures.