Old Square Tax Chambers includes multiple members with a specific focus on indirect tax, supplemented by a broader offering of general tax practitioners equipped to offer both advisory and advocacy services. Philip Simpson KC maintains a practice which covers both contentious and non-contentious matters, with an emphasis on VAT in litigation. Rory Mullan KC is active for both domestic and international clients, and covers a range of indirect taxes, including SDLT and import duty. Etienne Wong, who previously led the international VAT unit at Clifford Chance LLP , advises numerous prominent clients in VAT concerns in the UK and internationally.

Legal 500 Editorial commentary

Testimonials

Collated independently by Legal 500 research team.

  • 'The clerking is good.'
  • 'This is a strong chambers in this specialism.'
  • 'Professional, courteous and efficient.'
  • 'The clerks are very good, efficient and helpful.'
  • 'The clerks are excellent.'
  • 'The clerks are very helpful.'

Silks

Leading Silks
KCs at the very top of their field, with a long-established record of market-defining cases, and widespread endorsement from clients and peers. All silks appointed in the last two rounds are listed further below.
Rory Mullan KC
Rory Mullan KC
Old Square Tax Chambers
'Very user-friendly and response. Very practical and knowledgeable. Advocacy was clear and concise and very persuasive.'
Philip Simpson KC
Old Square Tax Chambers
'Philip is frighteningly intelligent. He is calm and collected in court, and handles the most intense judicial scrutiny with a self-assured authority.'

Juniors

Leading Juniors
Leading juniors are those with significant experience of key cases, strong market recognition from both peers and clients, and are seen as future candidates for silk.
Etienne Wong
Etienne Wong
Old Square Tax Chambers
‘Good with clients and is able to convey technical issues in an understandable way. Friendly and approachable. Good detailed knowledge of VAT legislation and case law.’