Read more Notable cases
Sean is a calm and focused barrister who both prosecutes and defends allegations of serious crime –and has acted across a wide range of cases.
Background and expertise
In more than a decade of experience, Sean has handled serious allegations such as murder, rape, historic sexual abuse, drugs conspiracies and firearms offences.
He has experience of dealing with multi-defendant cases, and those involving heavy amounts of material and complex issues of law. He is also experienced in appeal work – having appeared for clients before the Supreme Court, Court of Appeal and Divisional Court.
He aims to manage cases proactively – giving strategic advice at an early stage. He is skilled in case preparation and both oral and written advocacy.
He is adept at winning the confidence of clients – and is known for his hard work and tenaciousness in court, even in the trickiest of cases.
Charged with murder, Smith was the only one of five defendants to be acquitted after a five-week trial. Sean’s cross-examination of the prosecution’s cell site expert helped undermine the case. Earlier, in the divisional court, Sean had successfully challenged a decision to refuse bail.
PROFILE: Sean Sullivan
"His easy-going manner belies the quality of his advocacy, both oral and written."
Legal 500, 2017
Confiscation / POCA
Fraud, Bribery & Corruption
Regulatory / Disciplinary
Financial and Corporate law
020 7489 2727
BA in jurisprudence, University of Oxford (St Edmund Hall)
CPS level 3 prosecutor
Accredited pupil supervisor
Accredited to accept direct public access instructions
Accredited to deal with vulnerable witnesses