Sheena Cassidy

Sheena Cassidy

Call 2001

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Sheena Cassidy is recognised for her expertise in several practice areas by the Chambers & Partners UK Bar Directory 2017.

Family/Matrimonial - London (Bar) - Band 3

Deputy head of chambers and a matrimonial finance practitioner specialising in complex cases involving issues of tax and trust structures. She is noted for her experience in cases involving non-disclosure and fraud. 
Strengths: "She's so measured, thorough, committed and unflappable."

Chambers & Partners UK Bar Directory 2016.

Family/Matrimonial - London (Bar) - Band 4

A highly specialised practitioner who practises in the niche area of asset forfeiture and its crossover with family law. She is also experienced at dealing with more traditional matrimonial finance issues. 

Strengths: "A very impressive advocate who is very knowledgeable and very well prepared."

Chambers & Partners UK Bar Directory 2015.

Family/Matrimonial – London Bar

Sheena Cassidy frequently undertakes complex matrimonial finance proceedings and cohabitation disputes on behalf of high net worth clients.
Expertise: "Great at negotiation and not pompous in her approach."

Chambers and Partners UK Bar Directory 2014.

Family: Matrimonial Finance – London Bar

Sheena Cassidy of 3PB Barristers, excels in ancillary relief cases and when handling disputes between cohabitants. She is also regularly instructed to draft prenuptial agreements.

Expertise: “Extremely able, dependable, conscientious and a pleasure to work with. Her understanding of confiscation and restraint proceedings makes her especially valuable in those ancillary relief proceedings where such aspects arise.”

The Legal 500 - The Clients Guide to Law Firms

Sheena Cassidy is recommended by the Legal 500 Bar Directory 2016 for her expertise in the London Bar.
Family law (including divorce and financial remedy) – Leading juniors
Sheena Cassidy - Not afraid of standing up to the other side and clients love her.

Sheena Cassidy is recommended by the Legal 500 Bar Directory 2015 for her expertise in the London Bar.
Family law (including divorce and financial remedy) – Leading juniors
Sheena Cassidy - She has no equal on the interplay between family and criminal fraud proceedings - she is the go-to expert on such matters

Sheena Cassidy is recommended by the Legal 500 UK Directory 2014 for her expertise at the London Bar.
3PB’s Sheena Cassidy - “A silk of the future.”

FRAUD - 3PB’s Sheena Cassidy - “A fantastic, astute barrister with an eye for the detail and a great approach to clients.”

Sheena Cassidy is recommended by the Legal 500 UK Directory 2013/14 for her expertise at the London Bar for her Family law (including divorce and ancillary relief) and also Fraud: crime (including money laundering and asset forfeiture) expertise. "3PB’s Sheena Cassidy, who is ‘great with difficult opponents’."


Sheena specialises in financial remedy cases and disputes between cohabitants. She has particular expertise in cases in which third party, trust or corporate interests arise. Her work ranges from the drafting of prenuptial agreements to dealing with enforcement and appeals. Her experience in property and insolvency work gives her the advantage of having familiarity with the relevant principles in cases where these issues arise.

She has a particular specialism in ancillary relief cases in which the Crown is involved due to ongoing criminal restraint and/or confiscation proceedings. This work has involved working with receivers, dealing with third party interests, arguments on living expenses and the relationship between the relevant criminal legislation and the Matrimonial Causes Act 1973.

She has experience in applications under the Trusts of Land and Appointment of Trustees Act 1996, and in particular applications relating to express, resulting and constructive trusts and proprietary estoppel, with such ancillary issues as equitable accounting and/or payments pursuant to s.15 of TLATA. She also deals with probate matters, including applications under the Inheritance (Provision for Family and Dependants) Act 1975, disputes regarding the administration of estates and the validity of wills.

She acts in private law proceedings under the Children Act 1989, in particular applications under Schedule 1 of that Act.

Recent Cases

Gohil v Gohil [2015] UKSC 61 – Supreme Court hearing of Mrs Gohil’s appeal in relation to an order setting aside of a consent order where there was evidence of material non-disclosure. Sheena was instructed to advise on aspects of the case involving the Proceeds of Crime Act 2002.

W v W [2012] EWHC 2469 – case involving a claim for a financial remedy by a wife after a confiscation of over £2M was made against her husband. Considered the circumstances in which payment of tainted funds towards property could lead to an equitable account of those funds being taken.


April 15 2016:

Michael Parroy QC represents SFO in Tom Hayes confiscation hearing more

November 10 2015:

Oliver Powell & Sheena Cassidy invited to give FCA Seminar more

October 26 2015:

3PB elects new Head and Deputy Head of Chambers more

... more news

Academic Qualifications

MA (Hons) (Cantab)

Professional Bodies

  • Family Law Bar Association
  • Proceeds of Crime Lawyers' Association