Sonya Manzor

Tax Partner

Sonya is Head of William Fry Tax Advisors.

Sonya advises both domestic and multi-national corporations across a range of sectors on Irish tax matters including corporate tax, VAT and stamp duty. She is a key member of the firm’s Inward Investment group.

Her extensive experience includes advising on inward investment, IP and international tax structuring, reorganisations, real estate transactions and mergers and acquisitions.

Sonya is a member of the Law Society of Ireland and the Irish Tax Institute. She is a member of the Law Society Taxation Committee.

2026 Legal 500 EMEA

"A defining strength of the practice is the leadership of Sonya Manzor, who is an outstanding practitioner. She combines deep technical expertise with a clear understanding of business drivers, enabling her to provide advice that is both legally rigorous and strategically valuable." "Sonya Manzor is a standout adviser. She is excellent at handling complex transactions and we particularly value her expertise on international tax planning. We can always trust her to find solutions and give advice in context."

2026 Chambers Europe

"She is very patient, thoughtful and meticulous." "She is an excellent tax professional who provides clear advice." "Sonya stands out for her deep understanding of our business and her ability to provide clear, actionable advice even in complex situations." "Sonya is excellent. She has good technical knowledge and a good commercial approach. She is very responsive and has great experience."

2025 Legal 500 EMEA

"Sonya Manzor is a standout advisor and a leader in complex international tax planning matters." "Sonya Manzor is one of the leading tax advisors in Europe and is our go-to tax advisor in Ireland. She leads complex international tax advisory projects, along with sophisticated high value transactions and can always be trusted to deliver. She adds value on every project and has a depth and breadth of knowledge that is unmatched in the Irish market."

2025 Chambers Europe

"Sonya is one of the leading tax advisers in Europe, adding value to every project with a depth and breadth of knowledge that is unmatched in the market." "Sonya Manzor is excellent in terms of her technical knowledge and dedication to her clients." "She is super practical and a great communicator." "Sonya is a strong negotiator and her advice takes into account commercial issues."

Practice Areas

Tax Litigation & Disputes

Tax

Tax Depreciation

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Article and Insights

22Sep 2026

William Fry Tax Advisors Named Ireland’s Indirect Tax Firm of the Year 2026

William Fry Tax Advisors has been awarded Ireland's Indirect Tax Firm of the Year at the International Tax Review (ITR) EMEA Tax Awards 2026.

Tax Partner

Sonya Manzor

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Article and Insights

7Oct 2025

Budget 2026

The first Budget of this Government's term is described by the Minister as an investment in our future while securing the jobs, prosperity and stab...

Tax Partner

Sonya Manzor

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Press Release

24Apr 2025

William Fry advises on the sale of DCC Healthcare

William Fry advises DCC plc on its proposed sale of its healthcare division to HealthCo Investment Limited.

Partner

Mark Talbot

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Article and Insights

1Oct 2024

Budget 2025

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Tax Partner

Sonya Manzor

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Article and Insights

11Sep 2024

William Fry Hires New Tax Partner

William Fry is delighted to announce that Sean Murray has joined as a Partner in William Fry Tax Advisors.

Tax Partner

Sonya Manzor

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Article and Insights

4Dec 2023

William Fry Hires New Tax Partner

William Fry is delighted to announce that Colin Bolger has joined as a Partner in the firm's tax department.

Tax Partner

Colin Bolger

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Article and Insights

10Oct 2023

Budget 2024

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Tax Partner

Sonya Manzor

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Article and Insights

10May 2023

Digital Gaming Credit

A new tax credit for digital games development has come into effect on 16 November 2022.

Tax Partner

Sonya Manzor

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Article and Insights

1Oct 2022

Budget 2023

Budget 2023 was announced on 27 September 2022

Tax Partner

Sonya Manzor

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Article and Insights

27May 2022

Revenue’s Annual Report 2021

In May 2022, Revenue published its annual report for 2021. The Report reviews how Revenue is performing against the backdrop of a changing trading ...

Tax Partner

Sonya Manzor

Sonya Manzor

Ranking & Recommendations

Practice Areas

William Fry Tax Advisors Named Ireland’s Indirect Tax Firm of the Year 2026

Budget 2026

William Fry advises on the sale of DCC Healthcare

Budget 2025

William Fry Hires New Tax Partner

William Fry Hires New Tax Partner

Budget 2024

Digital Gaming Credit

Budget 2023

Revenue’s Annual Report 2021