Holly Sims
Call 2021
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Overview
Holly specialises in criminal law, defending and prosecuting across a wide range of cases.
She is known to be both personable and approachable, as well as being committed to achieving the best results for her clients. Holly often represents vulnerable clients with complex needs and is able to adapt and tailor her advice and approach accordingly.
Holly defends in a wide range of criminal matters and she has accepted recent instructions that include serious violence, large scale drug conspiracies and sexual offences.
She is also a CPS Level 2 prosecutor and having previously completed her pupillage with the CPS, this has provided her with additional Prosecution experience above her year of call.
Holly has recently appeared in the Court of Appeal as a Prosecution led junior, successfully appealing a Judge’s terminatory ruling. Read the published judgment (not subject to reporting restrictions) here – PBN & Ors, R. v [2025] EWCA Crim 1442 (12 November 2025).
Specialist Profiles
Holly has experience both Prosecuting and Defending in the Court of Appeal, Crown Court, Youth Court and Magistrates court.
She represents clients at all stages of proceedings, from PTPH to trial. Holly has been instructed in matters that involve offences of serious violence, drugs and sexual offences, being exposed to cases beyond her year of call. Holly has a calm and approachable manner when dealing with criminal clients.
Recent Cases
Operation Thaw – Prosecuting as a led junior in a multi count historic familial sexual abuse case against 7 complainants.
R v JJ – Defending in a multi-week multi-handed attempted murder and armed robbery trial.
R v AM – Prosecuting a trial in relation to sexual offences involving a significant breach of trust.
R v WL – Defending in a trial for offences of keeping a brothel used for prostitution.
Operation Navette – Defending multiple Defendants involved in the Tamworth riots.
R v DB – Defending in a case involving attempting to manufacture a component for a prohibited weapon.
R v GN – Defending in 3 week multi-handed armed robbery trial of commercial premises of over £200,000 of goods.
R v DG – Defending in a case of intentional strangulation and child cruelty where the Complainant was non-verbal. Successfully opposed introduction of hearsay evidence in complex legal argument.
R v KH – Defending in a trial of sexual assault of a child.
R v TC – Defending. Sentence of community order for offences of voyeurism.
R v CH – Defending a vulnerable Defendant for domestic violence offences including serious allegations of controlling and co-ercive behaviour.
R v FL – Defending. Sentence for conspiracy to control prostitution and conspiracy to facilitate travel for exploitation.
R v HM – Prosecuting in a trial of Class A drug supply.
R v MH, MH and AH – Defending in a 4 week conspiracy to supply Class A drug trial
R v TS – Defending. Sentence of suspended imprisonment imposed for blackmail and harassment offences.
Holly prosecutes and defends in a variety of regulatory cases in both the Magistrates’ Court and Crown Courts. She has represented companies, the Police, the RSPCA and individuals.
CPS Panel, Level 2
First-Class Honours, LLB Law, University of Birmingham, 2019
Very Competent, Bar Professional Training Course, Nottingham Trent University, 2021
Headridge Scholarship, Gray’s Inn, 2020
BTC Dean’s Scholarship for Academic Excellence, Nottingham Law School, 2020
Prize for the highest achievement in the Advocacy module, University of Birmingham, 2019
Finalist, 1 High Pavement Plea in Mitigation Competition, 2021
Runner Up, Ropewalk Mooting Competition, 2021
Winner, Instalaw Prison Law Mooting Competition, 2020
Runner Up, Quadrant Chambers Speed Mooting Competition, 2020
National Finalist, BPP’s Advocate of the Year Competition, 2019
Criminal Bar Association
Midland Circuit
Gray’s Inn