Rachel Barnes KC > Chambers of James Lewis KC & Hugo Keith KC > London, England > Lawyer Profile

Chambers of James Lewis KC & Hugo Keith KC
Three Raymond Buildings


A dual-qualified US attorney and English barrister, Rachel has a niche fraud, corruption and sanctions practice at the juncture of civil and criminal litigation, in both domestic and international cases. Appointed to various government panels of counsel (see below),  Rachel is also known for her strategic approach in dealing with regulators and other third parties. Clients value her US background and knowledge of US sanctions, as well as her wider practice in cross-border criminal and asset restraint investigations, extradition and MLA, public law and commercial cases. She is well versed in issues of jurisdiction and state immunities and human rights. Rachel advises and represents corporations, governments, individuals and NGOs. She prosecutes and defends in all criminal courts and acts in judicial review and civil cases, appearing in the High Court, Court of Appeal and the Supreme Court. Rachel is a co-editor of The Guide to Sanctions (GIR 2020, 2021) and has taught law at the London School of Economics and Cambridge University. She holds a PhD (Cantab) in public international law and an LL.M (Harv. Law School).


Call 2004; Silk 2022

Attorney General’s Public International Law Counsel to the Crown (B Panel); SFO Prosecution Counsel and PoCA Counsel (A Panels); CPS specialist panels of POCA and Extradition Counsel (Grade 4)

Judicial Appointments Commission Advisory Group

Inquiry for the Protection of Children in Armed Conflict, legal panel



The Fair Trials International Legal Experts Advisory Panel.


Cambridge University (MA Hons Law); Harvard (LLM); Cambridge University (PhD International Criminal Law: ‘The UN Al-Qaida/Taliban Sanctions Programme: Addressing Human Rights and Humanitarian Issues’).

Lawyer Rankings

London Bar > Fraud: crime

(2022 Silks)Ranked: Tier 1

Rachel Barnes KC – Three Raymond Buildings ‘Rachel is fiercely intelligent and has a forensic eye for detail. Her advocacy is always impressive and she inspires confidence in clients and solicitors alike.’

London Bar > International crime and extradition

(2022 Silks)Ranked: Tier 1

Rachel Barnes KCThree Raymond Buildings

Three Raymond Buildings‘s James Lewis KC has appeared in 17 appeals in the Supreme Court both for governments and for defendants, and a standout highlight of his from 2021 was representing the CPS, on behalf of the US government, in the Julian Assange extradition proceedings . Rachel Barnes KC, who was appointed silk in 2022, recently appeared in USA v Adeagbo & Ors, an extradition request relating to a series of ‘business email compromise frauds’. Ben Watson KC, who specialises in extradition and is praised for his ‘great judgement‘, acts for requested persons and the CPS in high-profile cases.

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

(2022 Silks)Ranked: Tier 1

Rachel Barnes KCThree Raymond BuildingsRachel knows her area inside out and can draw on a wide experience of dealing with the NCA and other agencies, which is of great comfort to clients. She is a strong technical lawyer. She works very hard and is a pleasure to work with, in what can be extremely challenging circumstances.

(2022 Silks)Ranked: Tier 1

Rachel Barnes KCThree Raymond BuildingsAn amazing ability to digest and analyse complex facts into a clear narrative summary. Rachel is an expert in issues of admissibility of evidence; she keeps her eye on how best to present a large quantity of technical financial evidence to the court.

A set with considerable experience of the full range of business crime cases, particularly bribery and corruption, sanctions, and corporate fraud, Three Raymond Buildings  fields practitioners experienced in in cross-border investigations and criminal proceedings, including those brought by the SFO and international bodies including the US DoJ. Hugo Keith KC is a deeply experienced practitioner within the space, regularly instructed by businesses, individuals, and politically vulnerable figures in high-level cases relating to extradition, international liability, private prosecutions, and regulatory enforcement actions. The ‘ableJames Hines KC is a go-to prosecutor for the SFO, and has led prosecutions in a variety of high-profile cases, including the Chant and Desai case, a bribery and corruption trial concerning allegations of tens of thousands of pounds paid in bribes for a multi-million IT contract. Neil Saunders  is a ‘polished and effective advocate‘ who specialises in serious fraud cases, including standout involvement in a multi-million pound fraud case against a former director at a major contractor, wherein he represented the defendant. Clients hail Rachel Barnes KC as ‘one of the best‘, offering US experience as a dual-qualified practitioner and regularly involved in major asset forfeiture cases, including representing a law firm holding €34m in a client account derived from criminal conduct in Du Toit & Co LLP.

London Bar > Proceeds of crime (POCA) and asset forfeiture

(2022 Silks)Ranked: Tier 1

Rachel Barnes KCThree Raymond BuildingsShe provides very high-level written work and advice on strategy and is extremely hard working and accessible. She has encyclopaedic knowledge of this area, delivers focused cross-examination and has good negotiating skills.