Ireland

International Tax Review is part of Legal Benchmarking Limited, 1-2 Paris Garden, London, SE1 8ND

Copyright © Legal Benchmarking Limited and its affiliated companies 2025

Accessibility | Terms of Use | Privacy Policy | Modern Slavery Statement

Ireland

donnelly.jpg

 

Cliona Donnelly

William Fry Tax Advisors, Taxand Ireland

2 Grand Canal Square

Dublin 2

Ireland

Tel: +353 1 639 5280

Email: cliona.donnelly@williamfry.com

Website: www.williamfry.com

Cliona is a partner with William Fry Tax Advisors, the Irish member firm of Taxand. She is a key member of the firm's Foreign Direct Investment group. She advises multinational and corporate clients on a wide range of issues. She focuses her practice on the establishment of operations in Ireland, cross-border tax planning, mergers and acquisitions, corporate tax compliance and international and domestic reorganisations, and represents a number of the firm's key clients.

Before joining William Fry Tax Advisors, Cliona started her career in KPMG training as a chartered accountant and a chartered tax adviser. Cliona is a member of the Irish Taxation Institute and is a fellow of the Institute of Chartered Accountants in Ireland. She is also a member of Taxand's Global Knowledge Leaders group, ensuring that enhanced services are delivered to multinational clients. She is a frequent contributor to tax publications.

Cliona is ranked in the Chambers Global 2015 as a leading individual on corporate tax matters

william-fry-250.jpg


manzor.jpg

 

Sonya Manzor

William Fry Tax Advisors, Taxand Ireland

2 Grand Canal Square

Dublin 2

Ireland

Tel: +353 1 639 5212

Email: sonya.manzor@williamfry.com

Website: www.williamfry.com

Sonya is a partner with William Fry Tax Advisors, the Irish member firm of Taxand. She has more than 15 years' experience of advising clients across a range of sectors on tax issues including in the areas of inward investment, intellectual property (IP) and international tax structuring, corporate reorganisations, real estate transactions, and mergers and acquisitions. She advises both domestic and multinational corporations on Irish tax matters including corporate tax, VAT and stamp duty. She is a key member of the firm's Foreign Direct Investment group.

Sonya is a member of the Law Society of Ireland and the Irish Tax Institute. She is also a director of the Irish branch of the International Fiscal Association. Sonya is a frequent speaker on tax topics and a contributor to tax publications. She is the co-author of the Irish chapter in the Miller Thompson publication entitled 'Tax Litigation, Jurisdictional Comparisons' (First Edition 2013).

Sonya is ranked in the Chambers Global 2015 as a leading individual on corporate tax matters.

william-fry-250.jpg


Catherine Galvin

Matheson

Lorraine Griffin

Deloitte

Louise Kelly

Deloitte

Susan Kilty

PwC

Joan O'Connor

Deloitte

Catherine O'Meara

Matheson

Deirdre Power

Deloitte

Renata Slobodova

PwC

Joanne Whelan

Deloitte

more across site & shared bottom lb ros

More from across our site

The new guidance is not meant to reflect a substantial change to UK law, but the requirement that tax advice is ‘likely to be correct’ imposes unrealistic expectations
Taylor Wessing, whose most recent UK revenues were at £283.7m, would become part of a £1.23bn firm post combination
China and a clutch of EU nations have voiced dissent after Estonia shot down the US side-by-side deal; in other news, HMRC has awarded companies contracts to help close the tax gap
An EY survey of almost 2,000 tax leaders also found that only 49% of respondents feel ‘highly prepared’ to manage an anticipated surge of disputes
The international tax, audit and assurance firm recorded a 4% year-on-year increase in overall turnover to hit $11bn
Awards
View the official winners of the 2025 Social Impact EMEA Awards
CIT as a proportion of total tax revenue varied considerably across OECD countries, the report also found, with France at 6% and Ireland at 21.5%
Erdem & Erdem’s tax partner tells ITR about female leader inspirations, keeping ahead of the curve, and what makes tax cool
ITR presents the 50 most influential people in tax from 2025, with world leaders, in-house award winners, activists and others making the cut
Cormann is OECD secretary-general
Gift this article