Boutique tax firm Joseph Hage Aaronson & Bremen LLP is respected in the market for its ability to handle large tax disputes and group litigation in the First-tier Tribunal, Upper Tribunal, High Court, Court of Appeal, UK Supreme Court and CJEU. The team is spearheaded by Graham Aaronson KC, who is relied on by a full spectrum of taxpayers, from industrial corporations and financial service businesses to entrepreneurs and HNWIs; and Michael Anderson, who has established experience in tax litigation at all levels of the UK’s Tax Tribunals, domestic courts and European Court. Iain MacWhannell enjoys a market leading presence in cases involving HMRC’s investigative powers, tax fraud, tax evasion and tax abuse. Daniel Margolin KC is well versed in HMRC litigation, and Helen McGhee has strong credentials in COP9 investigations. Simon Whitehead retired from the firm in January 2025.
Legal 500 Editorial commentary
Accolades
Client satisfaction: Lawyer & team quality
Client satisfaction: Sector knowledge
Key clients
- British American Tobacco Plc
- Universal Music
Work highlights
Acting as the lead solicitors in the Franked Investment Income (“FII”) GLO.
Lawyers
Hall of Fame
The lawyers at the very top of the profession, widely known and respected by peers and clients for their longstanding involvement in market-leading work.
Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.
Practice head
Graham Aaronson; Michael Anderson
Other key lawyers
Iain MacWhannell; Paul Farmer; Daniel Margolin KC; Helen McGhee