Miss Clare Montgomery QC > Matrix Chambers > London, England > Lawyer Profile

Matrix Chambers
Matrix Chambers


Specialist in criminal, regulatory and fraud law.


For the past 20 years Clare has specialised in dealing with the most demanding and difficult legal cases. She has featured in the starred category of QC’s recommended for crime and fraud for the whole of that period. Formerly a member of the Attorney General’s Panel, Clare has also been concerned in a wide range of public law and due process cases both for and against the Government. Clare was named Crime Silk of the Year in 2013 in the inaugural Legal 500 awards and was Crime Silk of the Year in the 2005 and 2011 Chambers & Partners Bar Awards; she has also twice been nominated as the Lawyer’s barrister of the year and features as one of the Stars at the Bar in Chambers & Partners Guide for 2016. She is Best Lawyers’ 2017 Fraud “Lawyer of the Year”.


CBA; ALBA: Justice.


University College London; Inns of Court School of Law.

Lawyer Rankings

London Bar > International crime and extradition

(Leading Silks) Ranked: Tier 1

Clare Montgomery QCMatrix ChambersThe doyen of extradition law, Clare is the go to silk for high profile clients seeking no nonsense practical advice. Her grasp of the law is unrivaled and she inspires confidence in all. It is a delight to listen to her advocacy.

A well known set for extradition work‘, Matrix Chambers‘ ‘strength in depth in this area speaks for itself‘, with ‘a number of excellent silks specialising in extradition law and a growing junior bar‘ following the addition of James Stansfeld and Florence Iveson. In recent work of note, ‘eloquent advocate‘ Mark Summers QC and Iveson are active in the ongoing case concerning the USA’s request for the extradition of Julian Assange for alleged complicity with activist Chelsea Manning in the publication of state secrets in the Assange-founded WikiLeaks site. Meanwhile, ‘the doyenne of extradition law‘ Clare Montgomery QC and ‘industrious‘ rising star Jessica Jones are defending diamantaire Nirav Modi against the government of India’s request for his extradition to face fraud and money laundering charges.

London Bar > Fraud: civil

(Leading Silks) Ranked: Tier 4

Clare Montgomery QCMatrix ChambersClare is the go-to QC for any corporation or individual facing a bribery or corruption investigation. She is frighteningly intelligent and is able to assimilate vast quantities of documents to quickly get to the crux of the matter. As an instructing solicitor, there is no one else you want in court representing your client.

London Bar > Crime

(Leading Silks) Ranked: Tier 1

Clare Montgomery QCMatrix ChambersShe is at the top of the legal pecking order and unrivalled. She is clear, concise, and continues to attract the most complex cases. Brings to this her incredible intellect and eye for detail and strategy in a case. Continues to be incredibly busy, and so hard to instruct at times, but is the absolute go-to counsel for complex, high-profile cases.

Matrix Chambers ‘is an excellent set‘, housing a team of ‘incredibly bright barristers‘. Clare Montgomery QC and protest law specialist Blinne Ní Ghrálaigh are representing all members of the “Stansted 15”, a group of activists who were convicted of an aviation security offence for breaking into Stansted airport and chaining themselves to a Boeing 767 to halt a deportation charter flight; the group were granted permission to appeal their convictions in August 2019. Richard Whittam QC has joined from 2 Bedford Row.

London Bar > Civil liberties and human rights (including actions against the police)

(Leading Silks) Ranked: Tier 3

Clare Montgomery QCMatrix ChambersHighly intelligent, versatile and hugely respected by clients and the judiciary.

London Bar > Business and regulatory crime (including global investigations)

(Leading Silks) Ranked: Tier 1

Clare Montgomery QCMatrix ChambersA silk at the pinnacle; precise, responsive, hugely knowledgeable and a delight to work with.