Sean is an Associate in our Tax Group.
Sean advises large corporates and multinational corporations on a wide range of Irish corporate and transactional tax matters, particularly with respect to M&A transactions, corporate reorganisations and restructurings, and inward investment into Ireland.
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September 10, 2026
Ireland's New Path Forward: The Roadmap for the Taxation of Retail Investme...
legal updates
September 02, 2026
Irish Revenue updates section 980 guidance following the Cintra decision
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August 06, 2026
Ireland’s Corporation Tax Landscape in 2026: Record Receipts, Global Reform...
Sean has acted on a number of major transactions for both private and public sector clients, including:
- acting for a multinational insurance group in relation to the Irish legal and tax aspects of the acquisition of a number of Irish-based independent insurance brokers
- advising one of the world’s biggest tech companies on a multijurisdictional project, advising on the tax implications of a proposed joint venture with a third-party investor as well as advising on all tax-related considerations of the co-location and data centre leases for this large technology client
- advising an international engineering client on internal restructuring of internal group financing entities
- advising a major Irish retailer on acquisitions of smaller retailers in the Irish market
- advising various prominent companies in the energy sector in respect of Irish tax aspects of recent large scale sales and purchases within the Irish market
- advising on the impact of ATAD, GAAR and other global tax issues on intergroup transactions for a global retailer
- advising on the corporation tax impact of amendment of loan agreements in a global energy group
- supported a global aviation company on the employment tax implications of relocating employees
- advising numerous lenders and borrowers in relation to the Irish tax consideration of both secured and unsecured finance transactions with an Irish nexus
- Team Member – ITR EMEA Tax Law Firm of the Year 2025
- Team Member – ITR Impact Deal of the Year 2025
- Bachelor of Civil Law (BCL), Maynooth University, 2016 - 2019
- Masters of Law (LL.M), Trinity College Dublin, 2019 - 2020