Siobhan Grey QC

year of call :


year of silk :




cv & downloads

Since taking Silk, Siobhan Grey's practice has focused on Homicide, Fraud, Rape and Sexual Offences. She regularly engages in pre-charge advice, as well as appearing in court, for corporations and individuals relating to Export Control for Military and Dual Use Goods.

Siobhan Grey leaves no stone unturned when it comes to the preparation of her cases and the pursuit of disclosure and unused material which can result in Not Guilty Verdicts and the Crown offering No Evidence even before cases get to trial.

Siobhan Grey is building a particular expertise in criminal cases with a medical emphasis and the cross-examination of expert witnesses. She regularly lectures on expert evidence in Homicide cases. Her recent cases have involved:

(i) Forensic and neuro-psychiatry involving Alcohol Dependency Syndrome, the effects of prescribed and non prescribed drugs on the brain, psychosis, Post Traumatic Stress Disorders and Epilepsy.

(ii) Forensic, Neurological and orthopaedic pathology,

(iii) Toxicology and Pharmacology

(iv) Heptology and diabetes.

{v} DNA.

In white collar crime, she has defended in high profile cases brought by the Financial Conduct Authority, Serious Fraud Office and HM Revenue and Customs. She has extensive experience of dealing with cases involving insider dealing, pension fraud, MTIC fraud, Investment fraud and money laundering offences.

What the Directories say

"Very, very good and not afraid to ruffle feathers in court - she fought tooth and nail for the client but was very charming with it. I was very impressed with her commitment, which was extraordinary." Chambers and Partners 2017

"Takes every proper point and fights the whole way." Legal 500 2016, ranked Tier 1 Business and regulatory crime (including global investigations).

"An unbeatable combination of great intelligence, great insight and really hard work." Chambers & Partners 2014

"A polished advocate." Chambers & Partners


Interview on 'Investment Fraud'. To read the interview please see here pages 54-55.

Two chapters on Regulatory offences and Insider dealing in Fraud: Law, Practice and Procedure

The Journal of Media law "The World Wide Web: Life Blood for the Public or Poison for the Jury".

Article Exposed: Surveillance, Privacy and Censorship.

Co-wrote JUSTICE’s Manual on “Appealing criminal cases to the Court of Appeal.”

The articles are reproduced with the permission of Counsel Magazine, the monthly journal of the Bar of England and Wales.

Hear more from Siobhan:

As part of the lead-up to a seminar Siobhan hosted on 22nd June 2017, Expert Witnesses in Homicide Cases (click here for details) she interviewed Professor Michael Kopelman on the circumstances where a neuro-psychiatrist may be of more value to a client than a forensic psychiatrist.

Click above to see Siobhan giving a presentation at our event on 22nd June 2017 on Expert Witnesses in Homicide Cases (click here for details).


Bencher at Gray’s Inn
Grade A Advocacy Trainer

Member of the Criminal Bar Association Member of the South Eastern Circuit (SEC)