LAWYER PROFILE
Iain MacWhannell

Iain MacWhannell

UK 2026

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Ranked in 1 practice area

Contributions and articles

1 In-depth overview

About

Provided by Joseph Hage Aaronson & Bremen LLP

Practice Areas

Contentious Tax, Commercial & Chancery Litigation, Investigations

Career

Before pupillage, Iain worked for HMRC Solicitor’s Office in both Excise and VAT. He has acted as counsel both for and against HMRC in a variety of disputes in the Tax Tribunal, Upper Tax Tribunal, High Court (Admin, ChD and Comm), Court of Appeal (Civil), House of Lords and UK Supreme Court. He became a partner at JHA in 2021 and prior to that had been a tenant at a leading set of Chambers and a Dispute Resolution Partner at a City law firm.

Professional Memberships

Bar of England & Wales

Chambers Review

Provided by Chambers

Chambers Guide to the Legal Profession

Tax: Contentious - UK-wide

Band 3
Band 3

Individual Editorial

Iain MacWhannell advises clients on a broad range of tax disputes and is best known for his work in large-scale group litigation.

Strengths

Provided by Chambers

  • Iain is able to explain complex matters in simple language. He has the ability to take a complex set of circumstances and provide clarity over the route that needs to be adopted.

    Tax: ContentiousChambers Guide to the Legal Profession
  • Iain demonstrates an ability to align recommendations to our situation, placing our interests first. This is a great comfort to our business.

    Tax: ContentiousChambers Guide to the Legal Profession
  • Iain is incredibly energetic and great at getting stuff done in complicated cases.

    Tax: ContentiousChambers Guide to the Legal Profession

Ranked Individuals at Joseph Hage Aaronson & Bremen LLP (7)

UK-wide

All Contributions (1)

Provided by Joseph Hage Aaronson & Bremen LLP

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