Tax

Our tax professionals offer services across all tax disciplines to help you thrive in this era of rapid change.

Our globally coordinated tax professionals offer connected services across all tax disciplines to help you thrive in an era of rapid change. We combine our exceptional knowledge and experience with the people and technology platforms that make us an ideal partner for your tax-related needs.

EY has competencies in business tax, international tax, transaction tax and tax-related issues associated with people, compliance and reporting and law. We invite you to leverage our experience, knowledge and business insights to help you succeed.

Featured Thinking

Shaping the Future Beyond Budget 2026 with EY

Graham Reid 07 Oct 2025

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Tax Alerts

Keep up-to-date on significant tax developments in Ireland with EY’s Ireland Tax Alert library.

Explore Tax Services

Container ship in import export and business logistic

EY Financial Services Thought Gallery

Discover more information on EY’s Financial Services Tax offerings in Ireland.

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The team

Aidan Meagher

Co-Head of Geopolitical Strategy. EY Ireland Tax Partner and Life Sciences Tax and Law Lead

Thought leader. Experienced in the Life Sciences and Consumer Goods sectors.

Dublin, Ireland

Deirdre Hogan

EY Ireland Indirect Tax Partner

Passionate about building relationships. Firmly believes people still do business with people. Enjoys working with purpose. Excited about innovation. Loves to run.

Dublin, Ireland

Joe Bollard

EY Ireland Tax Partner and Head of International Tax Services

International Tax practice leader. Experience in designing and implementing innovative international and domestic structures.

Dublin, Ireland

Ian Collins

EY Ireland Tax Partner and Head of Innovation incentives

Strong advocate for health and well-being. Deals with Irish Revenue on matters related to the Irish R&D tax credit regime.

Dublin, Ireland

Seamus Downey

EY Ireland Tax Partner

Qualified professional in domestic and international tax issues.

Dan McSwiney

EY Ireland Tax Partner

Trained economist. Worked on many complex transfer pricing cases.

Dublin, Ireland

Frank O'Neill

EY Ireland Tax Partner and EY Private Sector Leader

Business leader supporting private and entrepreneurial businesses accelerate growth in this transformative age. Rugby enthusiast, dog walker and occasional runner.

Michael Rooney

EY Ireland Tax Partner

Tax professional with extensive experience.

Dublin, Ireland

Cian O'Donovan

EY Ireland Tax Partner and Real Estate Tax Leader

Skilled in tax matters. Advisor to private equity and venture capital firms on tax affairs.

Dublin, Ireland

Robert Henson

EY Ireland Tax Partner

Experienced in cross-border transactions and structuring business in Ireland. Commerical and strategic thinker. Designer, implementer and executioner.

Dublin, Ireland

Sarah Connellan

EY Ireland Chief Operating Officer and Tax Partner

Leading expert in workforce optimisation

Dublin, Ireland

Brian O’Malley

EY Ireland Tax Senior Manager

Dad. Sports enthusiast. Tax strategist. Passionate about political and economic matters. Committed to empowering private clients with innovative solutions.

Waterford, Ireland

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