Ouiza Silem is a newly qualified Solicitor in the Criminal Defence Department and an Accredited Police Station Representative. She brings years of experience in criminal defence work, with a strong track record of representing clients at police stations and in the Magistrates Court, consistently securing the best possible outcomes.

Ouiza has built a solid reputation for her expertise in litigating a wide range of criminal matters at all stages of the justice process. Her caseload includes serious and complex offences such as sexual offences, money laundering, high-level fraud, violent crimes, human trafficking and large-scale drug conspiracies. She is particularly experienced in defending cases involving multiple defendants and high-net-worth individuals accused of human trafficking and modern slavery.

Known for her hardworking, reliable, and meticulous approach, Ouiza is committed to delivering outstanding service to every client. Her dedication and thorough preparation make her a valued asset in challenging and high-stakes cases.

Notable Cases:

R v J 2020 – Client charged with possession of a prohibited firearm and ammunition after importing the items from the US. Ouiza litigated the case and assisted in drafting representations, leading to the CPS offering no evidence after legal arguments at the Crown Court.

R v G 2023 – Ouiza represented a defendant charged with arranging or facilitating travel in a multi-handed modern slavery case. Following extensive work and a successful modern slavery referral, the CPS offered no evidence on the first day of trial.

R v T 2024 – Represented a defendant arrested for violent disorder at Notting Hill Carnival. The client, charged alongside his brother (convicted of murder), maintained not guilty pleas and proceeded to trial at the Old Bailey.

R v O 2025 – Defendant charged with multiple sexual offences. Ouiza ‘s litigation work and detailed representations highlighting disclosure failures led to a full CPS review. The case was discontinued due to no realistic prospect of conviction.

R v O 2025 – Defendant charged with threats to kill and threatening with a bladed article. Following a five-day trial, the jury found the client not guilty on both counts.

R v A 2025 – Defendant pleaded guilty to conspiracy to supply 5kg of cocaine. Ouiza secured psychiatric and psychological evidence that significantly mitigated the client ‘s sentence to 42 months in custody, compared to a co-defendant who received nine years.