Iain MacWhannell
UK Guide 2025
Band 4 : Tax: Contentious
Email address
[email protected]Contact number
02078518888Share profile
About
Provided by Iain MacWhannell
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
UK
Iain MacWhannell advises clients on a broad range of tax disputes but is best known for his work on large-scale group litigation.
Contributions
Latest contributions provided by Iain MacWhannell
Strengths
Provided by Chambers
"Iain is a brilliant and approachable lawyer who always provides a well-measured comment."
"Iain delivers a faultless level of service and is extremely personable while being steadfast in his commitment to achieving the correct result for his clients."
"Words do no justice to the level of knowledge, service and quality Iain brings to the table."
"Iain is very flexible in his approach to working. He is super responsive and emphasises the commerciality of a matter."
"Iain is a brilliant and approachable lawyer who always provides a well-measured comment."
"Iain delivers a faultless level of service and is extremely personable while being steadfast in his commitment to achieving the correct result for his clients."
"Words do no justice to the level of knowledge, service and quality Iain brings to the table."
"Iain is very flexible in his approach to working. He is super responsive and emphasises the commerciality of a matter."