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London: Dispute resolution

Tax litigation and investigations
Tax litigation and investigations - ranked: tier 1

Joseph Hage Aaronson LLP

Joseph Hage Aaronson LLP is a boutique with core expertise in tax and commercial litigation and international arbitration. It also houses forensic accountants, financial analysts and data scientists, providing clients with a full, multi-disciplinary service. The firm, which is led by Michael Anderson and founding partner Graham Aaronson QC, is instructed on complex domestic and cross-border tax disputes by a variety of multinational taxpayers and individuals across industry sectors. It has a particular niche in corporation tax group litigation orders (GLOs). Associate Shofiqur Miah is another name to note, with experience in a variety of contentious tax matters.

Practice head(s):Graham Aaronson QC; Michael Anderson

Other key lawyers:Simon Whitehead; Paul Farmer; Daniel Margolin QC; Ray McCann; Shofiqur Miah; Steve Bousher; Helen McGhee


'It is the common sense approach and ability to explain the issues which makes them stand out'

'The team is technically very able and is able to explain issues in an understandable manner'

'The team has a depth of knowledge and experience in EU law based tax litigation'

Key Clients

British American Tobacco

Marks & Spencer


Intercontinental Hotels Group


Akzo Nobel



Work highlights

  • Advising British American Tobacco as test case in the Fll Group Litigation. These long-running claims by 25 UK headquartered multinationals challenge the UK's dividend taxation scheme and the imposition of advance corporation tax ('ACT') upon UK groups with  sources of profit abroad.
  • Advising Fidelity on cases concerning Fidelity Funds and NN (L) SICAV, two investment funds with registered offices in the United Kingdom and Luxembourg respectively, and portfolio investments in Denmark, on their claims for the repayment of withholding tax levied on dividends received from Danish companies.
  • Acting for Prudential as test claimant in the CFC and Dividend Group litigation, challenging the lawfulness of the UK's taxation of portfolio dividends and pension fund income as contrary to the EU legal principles of freedom of establishment and free movement of capital
Leading individuals

Graham Aaronson QC - Joseph Hage Aaronson LLP

Rising stars

Shofiqur Miah - Joseph Hage Aaronson LLP

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