John Warrington
UK Bar Guide 2025
Band 4 : Crime
Email address
[email protected]Contact number
0207 332 5400Share profile
Band 4
About
Provided by John Warrington
Practice Areas
John is an experienced criminal practitioner, regularly instructed in complex and document-heavy, multi-handed cases of the utmost gravity for the defence and prosecution. His practice encompasses a broad range of offending, including homicide, serious violence, large-scale drug trafficking, people trafficking, serious organised crime, firearms, public order, dishonesty and sexual offences.
John has defended members of some of the most prolific organised crime groups in the country. In particular, he has extensive experience in white-collar crime, including serious fraud, money laundering, bribery, corruption and all aspects of related restraint and confiscation proceedings. In this regard, John has been retained to advise pre-charge in the course of a number of high-profile investigations and has acted in complex applications for production orders and multi-million-pound confiscation proceedings.
John has been appointed to the CPS serious crime, fraud and proceeds of crime panels and the list of Specialist Regulatory Advocates in health and safety and environmental law.
John has a busy professional disciplinary and regulatory practice, with an emphasis on healthcare, legal services, utilities, haulage, health and safety and the environment. He is often retained by large companies that are liable to seven-figure fines.
John is currently acting as counsel to a high-profile public inquiry. He is direct access qualified and an advocacy tutor with Lincoln’s Inn.
Career
Called to the Bar in 2000 (Lincoln’s Inn).
Law/LLB Honours (Queen Mary & Westfield College, University of London).
Professional Memberships
Association of Regulatory and Disciplinary Lawyers
UK Environmental Law Association
Fraud Lawyers Association
Criminal Bar Association
South Eastern Circuit
Chambers Review
UK Bar
Strengths
Provided by Chambers
"John is a very reassuring member of the team and has very attractive manners in court. He is very hardworking and clients like him."
"John is an incredibly bright and hard-working barrister, who gets up to speed even on late instructions very quickly and works very proactively with the solicitor."
"John is a very reassuring member of the team and has very attractive manners in court. He is very hardworking and clients like him."
"John is an incredibly bright and hard-working barrister, who gets up to speed even on late instructions very quickly and works very proactively with the solicitor."
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