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Greg Lockhart is a "highly regarded adviser who is super on VAT".

Chambers Global and Europe


Greg Lockhart heads up both the firm's VAT & Customs consultancy practice within the Tax Department at Matheson and the firms Tax Controversy & Tax Litigation Practice.

Greg, a barrister, has extensive experience in advising clients with regard to developing appropriate litigation strategies suitable to a client’s business needs and the particular complexities of tax legislation. He also personally advocates cases on behalf of clients with regard to tax appeals.

Greg is widely sought after for his experience in advising clients with regard to Revenue enquiries both in respect to domestic tax matters and also State aid enquiries with respect to Irish tax.

He is widely recognised both nationally and internationally for his experience and expertise in advising clients in relation to the complexities of international VAT compliance and Irish and international VAT planning opportunities. In addition to advising in relation to VAT issues he is retained as international adviser to a number of entities within the aviation industry in relation to general indirect tax issues including Customs Duty issues that arise within the sector.

Greg has lectured extensively for the Incorporated Law Society of Ireland, the Irish Taxation Institute and the Institute of Chartered Accounts in Ireland.

Experience Highlights
  • Greg has extensive experience in litigating cases before the Irish Tax Appeals Commission and the Irish Courts as well as cases before the European General Court.
  • Greg is highly respected both nationally and internationally with respect to VAT and indirect tax matters in general.

Greg Lockhart is highly regarded for Indirect Tax and Tax Controversy.
World Tax 2019

Greg Lockhart is praised for his "good work in terms of tax litigation and tax controversy".
Tax: Chambers Europe 2019

Recognised for Tax Law.
Best Lawyers Ireland 2019 edition

Recognised for Tax Law.
Best Lawyers Ireland 2018 edition

Corporate Tax Expert.
Who's Who Legal 2017

Tax Controversy Leader, Ireland.
ITR Tax Controversy Leaders 2017

Indirect Tax Leader, Ireland.
ITR Indirect Tax Leaders 2017

Greg is recommended by a number of international legal directories including Chambers GlobalWorld Tax and Best Lawyers.


Institute of Chartered Accountants in Ireland

Irish Taxation Institute

Honourable Society of Kings Inns