
The tax controversy practice at Skadden, Arps, Slate, Meagher & Flom (UK) LLP is well versed in an array on cross-border tax controversies, including transfer pricing and CA matters, as well as in disputes arising from global and regional business transactions. The practice is jointly headed by James Anderson, who is an expert in the energy sector, and Patrick O’Gara, who was welcomed to the firm in November 2024 from Baker McKenzie LLP. Kate Davies KC is also a key name in the team and is lauded for her arbitration expertise.
Legal 500 Editorial commentary
Accolades
Client satisfaction
Testimonials
Collated independently by Legal 500 research team.
‘It is the people, rather than the practice, in my opinion.'
‘James Anderson (partner) - encyclopedic knowledge of tax legislation and case law, freakish responsiveness, unambiguous and succinct advice that gets to the heart of the matter expeditiously. James is an industry icon, unsurpassed in his field.'
'Excellent tax team.'
'Patrick O'Gara always provides more value add than anyone else in the room.'
Work highlights
Advising a global diversified alternative asset management firm in MAP and APA applications resulting from HMRC enquiries across a range of UK tax issues.
Advising a biopharmaceutical company on matters relating to the progression of its High Risk Corporate Programme, which involved a long-running enquiry by HMRC into various IP and supply chain transactions worth over a combined $10 billion.
Advising this client on potential claims under a tax indemnity. These claims relate to the potential imposition of Saudi taxes on previously-executed corporate transactions.
Lawyers
Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.

Practice head
James Anderson; Patrick O’Gara
Other key lawyers
Kate Davies KC