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 2026

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 newly combined firm brings together more than 3,500 practitioners across 52 offices, with flagship hubs in Seattle, London, Sydney and New York.
Building a transparent culture, prioritising internal promotions and being different from the big four are all key features of A&M Tax’s ambitious plans for India
ITR’s Indirect Tax Forum 2026 showed why harmonisation remains elusive, advisers must raise their game, and ‘everyone’s data is rubbish’
The firm’s board has reportedly asked Kevin Burrowes to continue until 2028 as the KPMG Australia scandal raises expectations of regulatory reform
A former Deloitte partner will lead the firm’s latest geographic expansion; in other news, Baker McKenzie added six tax lawyers to its partnership
The Fair Tax Mark now extends to domestic-only companies with turnover above €1m, with Thai travel operator Tripseed the first to be certified
A technology provider had to be educated on technical requirements by Joseph Ribkoff’s IT team, a tax manager at the company said
But businesses should remain flexible when choosing between internal and external resources to handle added ViDA complexity, ITR’s Indirect Tax forum also heard
Non-compliance from small businesses continues to account for most of the gap, HM Revenue and Customs revealed
The new managing director of R&D tax relief consultancy ForrestBrown tells ITR about his priorities for the business, where he’s focusing his time and what makes tax cool
Gift this article