Robert O’Sullivan QC

1988 (QC 2012)

"fluent advocate in court; authoritative and very impressive. An outstanding all-rounder"

- Instructing Solicitor


Robert O’Sullivan is a specialist trial advocate in the prosecution and defence of serious and complex fraud cases. He advises on the law and case strategy pre-charge. He has considerable experience in direct and indirect tax fraud. He has prosecuted many multi-handed MTIC VAT frauds and recently successfully prosecuted an HMRC investigation into a £98 million marketed income tax avoidance scheme in the film industry.

He prosecutes and defends murder and manslaughter cases, including defending a baby-shaking fatality, and health and safety criminal litigation.

He is experienced in court-martial trials in the UK and overseas, having defended in the Camp Bread Basket prisoner abuse trial arising out of the second Iraq war; also medicines and medicinal products prosecutions (including advising the MHRA in the Seroxat investigation) and trading standards cases.

He is a member of the Serious Fraud Office Panel of Queen’s Counsel. As junior counsel he was on the Attorney-General’s A List of specialist advocates and a Grade 4 CPS prosecutor.

He is a member of the Bar Council’s Law Reform Committee, with a particular interest in IPA, RIPA, DRIPA and the associated Codes of Practice and the tension between state surveillance and legal professional privilege and confidential journalistic sources. He is involved in the Bar’s responses to consultations on, amongst other areas, strict liability tax reporting offences, official secrets and the new Sentencing Code.

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Robert O’Sullivan QC
Robert O’Sullivan QC

Specialist Areas

  • Customs and Excise Offences
  • Murder and Manslaughter
  • Corporate Crime
  • Business Crime & Financial Services
  • General Crime
  • Health & Safety
  • Professional Discipline & Regulatory



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Recent news

Matthew Moseley jailed for murder he tried to blame on 14-year-old son
09 May 2018

£98 million film investment tax evasion scheme defendants convicted
01 August 2016

State surveillance powers and confidentiality
21 May 2015

Overriding lawyer-client & confidential communications is incompatible with the rule of law
04 March 2015

RIPA/DRIPA and Covert State Surveillance
03 February 2015