Simon Whitehead > Joseph Hage Aaronson LLP > London, England > Lawyer Profile

Joseph Hage Aaronson LLP

Work Department

Consultant; Tax Disputes


Simon Whitehead has more than 30 years of litigation experience with over 20 years in tax litigation.  He represents high net worth individuals, the largest multinationals and household names in complex tax disputes in all areas of direct and indirect tax in the UK and Europe.  He has represented clients at all court levels including 9 times in each of the Supreme Court and CJEU.  8 times he has been appointed lead and test case solicitor for the most complex multi-party tax claims in the UK courts and tribunals.  His cases include the Marks & Spencer (group relief), Prudential (dividend taxation, the ROSIIP (pension transfers) and Autologic (jurisdiction of tax courts) cases.  He has been top ranked in all leading legal directories for well over a decade.


Publications include Tax Journal, EC Tax Review, Taxation, International Tax Review & others.  Editor The Tax Disputes and Litigation Review (8 Eds).


Simon was a founding partner of the firm in 2013. Previously he was Partner in Charge International at Dorsey & Whitney (10 years) and before that a partner at PwC Legal.


Solicitor admitted in England and Wales and Australian Courts


PhD (Sydney University 1993)

Lawyer Rankings

London > Dispute resolution > Tax litigation and investigations

Dispute resolution boutique Joseph Hage Aaronson LLP specialises in tax litigation, commercial litigation and international arbitration. The team, which is ‘totally solution-focused‘ and is ‘second to none‘, primarily represents multinational companies in complex and cross-border tax disputes. It notably distinguishes itself in relation to corporate tax group litigation orders. Graham Aaronson KC co-heads the practice with fellow founding partner Michael Anderson, with the latter practitioner having extensive tax litigation experience at all levels of the UK’s tax tribunals. Simon Whitehead, who has an exclusive contentious tax disputes practice, focuses on direct and corporate tax. European tax law expert Paul Farmer, Emma Chamberlain and Shofiq Miah  are also noted. Key changes to the team included the arrival of Iain MacWhannell from Memery Crystal LLP in February 2021.

Comparative Guides

United Kingdom: Tax September 2021 This country-specific Q&A provides an overview to Tax laws and regulations that may occur in United Kingdom.