Tim joined chambers in 2015 and was made a tenant in 2016. Before this, he worked for a number of criminal defence firms, as well as for the Financial Reporting Council. He has developed a solely criminal practice which sees him prosecute and defend trials in the Crown Court, and represent appellants in the Court of Appeal. Trials have included a broad range of offences including fraud, money laundering, s.18 assault, armed robbery, firearms offences, drugs supply and people-trafficking, as well as consequent confiscation proceedings.
Recent Cases of Note
- R v A  EWCA Crim 1801: secured an acquittal in the Court of Appeal after the deadline for arraignment for retrial passed: https://www.2drj.com/post/court-of-appeal-gives-guidance-on-late-arraignments-prior-to-retrial. Case appears in Archbold 2021 at 7-114;
- R v A  EWCA Crim 440: Court of Appeal quashed a conviction for possession of a firearm. The Crown’s case relied heavily on a confession obtained from the defendant in interview when no appropriate adult was present;
- R v P, Southwark Crown Court (2020): prosecuted a defendant who committed a six-figure fraud. After a five-day trial, the defendant pleaded guilty after being cross-examined;
- R v TI, Luton Crown Court (2019): secured an acquittal after successfully excluding DNA evidence on the basis that the scientific technique used did not produce sufficiently reliable results;
- R v AH, Inner London Crown Court (2019): prosecuted protracted confiscation proceedings with a value over £1M involving complexities such as whether assets were held on trust by beneficiaries abroad.
“Tim Sleigh Johnson did a sterling job and I would have no hesitation in using his services again. Both Client and his family spoke very highly of him” - defence solicitors after Tim secured an acquittal at the Crown Court.
An OIC described Tim’s cross-examination as “deeply impressive.”
The Court of Appeal described his submissions which led to a successful appeal against conviction as “clear and well-presented.”
LLM (Commendation), City Law School (dissertation on admissibility of scientific evidence)
BVC (Very Competent), City Law School
GDL, College of Law
CPS Advocates Panel - Grade 2
Chambers’ Pupillage Committee