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Background

Siobhan Collins

Call: 2005

Siobhan Collins is a very experienced senior junior, who specialises in prosecuting and defending the most serious of criminal offences.

Her practice primarily involves being instructed as a leading junior in cases concerning serious violence, and conspiracies involving organised crime. In particular, Siobhan has prosecuted a large number of Operation Venetic (EncroChat) trials.

She is also regularly led in homicide cases.

Siobhan is a Grade 4 prosecutor and an active member of the RASSO panel.

Siobhan is known for her robust cross-examinations and as a creative and determined barrister who never underperforms.

She is a talented and able jury advocate with extensive experience in preparing and litigating difficult and multi-handed cases and excels in cases requiring knowledge of technical legal issues.

Siobhan has appeared for both the Crown and defence in the Court of Appeal and accordingly has prepared and responded to complex legal submissions before contested hearings.

She has dealt with cases involving issues of multiple jurisdictions and overlaps with the Family and High Courts.

Expertise

Crime

Homicide

  • Op H: Prosecution of a 4-handed murder (Leading Junior) in a domestic context.
  • Op A: Prosecution of a 2-handed murder (Led Junior) where all parties had known vulnerabilities.
  • Op L: Prosecution of a 4-handed murder (Led Junior) where all parties were youths with suspected gang connections.
  • Op T: Prosecution of a 5-handed murder (Led Junior) again, involving the killing of a child in gang-related circumstances.
  • R v JL: Defence of a vulnerable male accused of murder.
  • Op W: Prosecution of a 2-handed attempted murder (Leading Junior) in a gang-related encounter.
  • Op I: Further prosecution of a 2-handed attempted murder in a gang-related encounter.

Organised Crime: Encro

Venetic Cases

  • Op I: Prosecution of a 5-Defendant conspiracy to supply Class A drugs (Leading Junior).
  • Op L2: Prosecution of a 7-Defendant conspiracy to supply Class A drugs (Leading Junior).
  • OP In: Prosecution of a 3-Defendant conspiracy to supply Class A drugs (Leading Junior).
  • Op E: Prosecution of a 3-Defendant conspiracy to supply Class A drugs (Leading Junior).

Organised Crime: Other

  • Op M, Op B, Op C: Prosecution of over 20 Defendants (Leading Junior) in relation to coordinated car thefts.
  • Op M: Prosecution of 10 Defendants (Leading Junior) in a separate case linked involving targeted car thefts.
  • Op C: Prosecution of 10 Defendants (Leading Junior) in a large-scale county lines operation.
  • Op H: Prosecution of 12 Defendants in a four-area county-line case.

Other Notable Cases

  • R v PS: Prosecution of a Defendant accused of international child abduction.
  • R v CO: Prosecution of a Defendant with severe mental health issues accused of false imprisonment and rape.
  • R v XX: Prosecution of a Defendant accused of repeatedly raping his younger siblings.
  • R v XY: Prosecution of a Defendant accused of raping and sexually abusing his younger relatives.

Related News, Resources and Events

Uncategorised


Operation Dynamite: 11 found Guilty of conspiracy to burgle and conspiracy to steal

Siobhan Collins leading Chloe Ashley successfully prosecuted 11 Defendants, obtaining convictions against all of them for conspiracy to burgle and conspiracy to steal. The group…

Uncategorised


10 convicted of offences involving burglaries of 47 homes

No5’s Siobhan Collins and Chloe Ashley were successful in prosecuting the group for conspiring to burgle and conspiring to steal.  ‘Operation Dynamite’ involved the prosecution of ten males for…

View all related news

  • Inner Temple Exhibition Scholar
  • Inner Temple Advanced International Advocacy Scholar
  • LLB (Hons), First Class
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Related News, Resources and Events

Uncategorised


Operation Dynamite: 11 found Guilty of conspiracy to burgle and conspiracy to steal

Siobhan Collins leading Chloe Ashley successfully prosecuted 11 Defendants, obtaining convictions against all of them for conspiracy to burgle and conspiracy to steal. The group…

Uncategorised


10 convicted of offences involving burglaries of 47 homes

No5’s Siobhan Collins and Chloe Ashley were successful in prosecuting the group for conspiring to burgle and conspiring to steal.  ‘Operation Dynamite’ involved the prosecution of ten males for…

View all related news

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