Old Square Tax Chambers’ heavy private client focus extends to areas of expertise ranging across inheritance tax, non-resident and non-domicile tax as well as estate and tax planning both domestically and offshore. James Kessler KC is recognised for his work offshore private client tax matters, recently leading Rebecca Sheldon before the Court of Appeal in A Taxpayer v HMRC, a novel case on the statutory resident test. Robert Venables KC handles matters ranging across offshore tax planning, residence and domicile issues and employee remuneration. Rory Mullan KC has recently acted before the Privy Council in Imperium Trustees (Jersey) Ltd v Jersey Competent Authority regarding documents sought for a withholding tax enquiry - the case involved issues of a statute which prohibited Imperium Trustees, which was successful on the substantive issue before the Jersey courts, from recovering its costs back from the Jersey government. Harriet Brown, also a qualified Jersey advocate, international tax and trust matters related to non-UK residents, non-UK domiciles, complex cross-border planning.
Legal 500 Editorial commentary

Testimonials

Collated independently by Legal 500 research team.

  • 'Clerks' room is strong and well run by Cliff Holland. They are as active as the client requires without being intrusive.'
  • 'Cliff Holland is a pleasure to deal with.  Straight-forward and efficient.'
  • 'The clerking team are a very proactive bunch. Communications are first-rate.'
  • 'Great set. Great range of juniors and KCs.'
  • 'Without doubt one of the leading tax chambers.'

Lawyers

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.

1
James Kessler KC
‘James is exceptional. He has a phenomenal grasp of tax and trust law, prepares meticulously to ensure he really grasps the issues at hand and presents his findings in a clear, concise and pragmatic way.  He is both solicitor-friendly and lay-client friendly in his approach and is the go-to for high value, complex personal UK tax structuring matters, both UK-centric and international.'
2
Rory Mullan KC
‘Rory is practical and pragmatic, which he overlays with extremely strong technical ability. A real star who gets better each year.'
3
Robert Venables KC

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.

2
Harriet Brown
‘She has an easy charm but remains rigorous. Clients find her easily accessible but technically robust. She has the highest standards of professionalism but without the stuffiness one encounters at the bar so often.'
3
Ross Birkbeck
3
Patrick Boch