Jonathan is ranked in Chambers and Partners 2019 and the Legal 500 2018 in the fields of POCA Work and Asset Forfeiture and Administrative and Public Law. He is also ranked in the Legal 500 2018 in the field of Police Law. He has a wealth of experience handling unusual, sensitive or controversial matters, in the fields of asset recovery, mutual legal assistance, national security, human rights, confiscation, tax and duties, law enforcement, extradition, inquests and immigration, and wherever criminal law interfaces with public law. Before taking Silk, Jonathan was a grade 4 prosecutor and on the Attorney General’s Civil A Panel.

“A phenomenal counsel.”

Chambers and Partners 2019


“An excellent lawyer and tactician who is highly respected”

Legal 500 2018

In recent years he has acted in high profile cases such as the first Unexplained Wealth Order cases, the ongoing Undercover Policing Inquiry, the recovery of assets stolen by General Abacha, the 7/7 Brecon Beacon and Litvinenko Inquests, civil claims arising out of the shooting of Mark Duggan, and damages claims against the intelligence services.

Jonathan is familiar with the demands of large organisations and the strategic implications of litigation and investigations, and is frequently instructed to advise private clients and public bodies on issues of RIPA, cybercrime and data protection, law enforcement, regulatory crime, national security and on novel and difficult issues of fact and law.


Legal Directories Testimonials

POCA Work and Asset Forfeiture

Jonathan is highly esteemed for his work in civil recovery, and an expert on freezing and disclosure orders. He also advises on domestic and international restraint and receivership in confiscation cases. He has recently been handling work surrounding cryptocurrencies.

“Shows great attention to detail and is very good on his historical legal knowledge. He is fantastic at getting to the bottom of why statutes say what they do.” (Chambers and Partners)

“He is very popular with the authorities at the moment, and deservedly so.” (Legal 500)

Administrative and Public Law

Jonathan is particularly strong in the context of national security and regularly defends the use of ‘no suspicion’ powers under Schedule 7 of the Terrorism Act 2000.

“Incredibly experienced and really trusted with wary clients.” “He’s completely fair and completely on top of his material. His skill is in not saying too much, which is very effective.” “Jonathan is very intelligent, very personable and very conscientious.” (Chambers and Partners)

“He is a true tactician and terrifyingly clever.” (Legal 500)

Police Law

“An excellent lawyer and tactician who is highly respected by the teams he leads.” (Legal 500)

Other Testimonies

Effective as an advocate and good at explaining ideas to the court.

He has a real eye for detail, and is incredibly approachable and friendly as well.

He’s really clever, he writes well and he’s a great advocate.”

A powerful advocate who can see both sides of an argument and really fine-tune his approach.



Recent cases

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  • Lead counsel for the Metropolitan Police Service in the Undercover Police Inquiry (ongoing)
  • National crime Agency v A [2018] EWHC 2534 (Admin) (UK’s first Unexplained Wealth Order)
  • R (on the application of KBR Inc.) v Director of the Serious Fraud Office [2018] EWHC 2368 (Admin) (extraterritorial application of serious fraud powers)
  • R (on the application of AL) v Serious Fraud Office[2017] 2 Cr. App. R. 13 (bribery, deferred prosecution agreements, disclosure, interview records, privilege, self-reporting, Serious Fraud Office, subsidiary companies)
  • Euro Wines (C&C) Ltd v Revenue and Customs Commissioners [2018] 1 WLR 3248; Times, February 16, 2018 (reverse burden in tax legislation)
  • Serra v Paraguay [2017] Lloyd’s Rep, F.C. 537;[2017] A.C.D. 122 (extradition, prison conditions)
  • Grecu v Romania [2017] 4 WLR 139 (extradition, prison conditions)
  • R (on the application of Unaenergy Group Holding Pte Ltd) v Director of the Serious Fraud Office 1 WLR 3302; [2017] 2 Cr. App. R. 11 (judicial review of UK/Monaco Mutual Legal Assistance)
  • National Crime Agency v Khan (QBD) [2017] Lloyd’s Rep. F.C. 153 (civil recovery of organised crime property)
  • R. v Guraj (Lodvik) (Supreme Court)[2017] 1 W.L.R. 22 (postponement of confiscation orders)
  • Beghal v United Kingdom (European Court of Human Rights), ongoing
  • National Crime Agency v Abacha (Court of Appeal), Times, September 29, 2016, [2016] 1 W.L.R. 4375 (disclosure of Letters of Request)
  • MP (Sri Lanka) v Secretary of State for the Home Department (Supreme Court) [2017] 2 All E.R. 155 (reference by Supreme Court to EJC on immigration/EU issue)
  • A v DPP (Court of Appeal Criminal Division), [2016] EWCA Crim 96 (restraint proceedings under POCA against foreign nationals)
  • R (on the application of McKenzie) v Director of the Serious Fraud Office (Divisional Court) [2016] 1 W.L.R. 1308 (protection of LPP material using information technology)
  • B v Chief Constable of Northern Ireland (Divisional Court) [2016] Crim. L.R. 428 (police powers of arrest relating to Bloody Sunday)
  • National Crime Agency v Abacha (Administrative Court), 21 January 2015 [2015] EWHC 357 (Admin); [2015] Lloyd’s Rep. F.C. 411 (new statutory freezing power to recover assets stolen by former Nigerian dictator)
  • Yam v Attorney General (Supreme Court) [2016] A.C. 771 (power to prevent transmission of detail sensitive court proceedings to European Court of Human Rights)
  • Sher v United Kingdom (European Court of Human Rights), App.No. 5201/11, 20 October 2015 (Prevention of terrorism; warrants of detention; search warrants).
  • Beghal v DPP (Supreme Court) [2015] 3 W.L.R. 344 (Investigatory powers; Privilege against self-incrimination; Proportionality; Right to fair trial; Right to liberty and security; Right to respect for private and family life; Terrorism)
  • The Brecon Inquests (deaths of 3 reservists from heat illness), June 2015
  • Amin v DG of MI5 and others (Court of Appeal) [2015] EWCA Civ 653 (strike out; damages complicity in torture)
  • DD v Secretary of State for Home Department (Administrative Court) [2015] EWHC 1681 (Admin) (terror suspect/ Art 3)
  • TN and MA v Secretary of State for Home Department (Supreme Court) [2015] 1 WLR 3083 (asylum claims by Afghan children)
  • National Iranian Tanker Co v Foreign Secretary (QBD) [2015] EWHC 282 (QBD) (injunction in EU sanctions case)
  • Magee and Others v the United Kingdom (European Court of Human Rights), judgment 12 May 2015 (2016) 62 E.H.R.R. 10
  • Armstrong v the United Kingdom (European Court of Human Rights), judgment 9 December 2014 (2003) 36 E.H.R.R. 30


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  • Queen’s Counsel (2014)
  • Recorder of the Crown Court


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University of Oxford, BA (Hons), English Language and Literature


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  • French (Advanced)

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Notable cases

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Duggan v Metropolitan Police

Acting for the Metropolitan Police in civil clams arising from the shooting of Mark Duggan.

Armstrong v United Kingdom

European Court of Human Rights, judgment 9 December 2014.

NCA v Surin

Civil recovery claim against notorious criminal.

Magee and Others v United Kingdom

European Court of Human Rights, judgment 12 May 2015

TN and MA v Secretary of State for the Home Department

Supreme Court matter concerning asylum claims by Afghan children.

Amin v DG of MI5 and Others

Concerning strike out and damages complicity in torture.

The Brecon Inquests

Inquest into the deaths of three reservists from heat illness.

Sher v United Kingdom

Concerning prevention of terrorism, warrants of detention and search warrants.

National Crime Agency v Abacha

Concerning a new statutory freezing power to recover assets stolen by a former Nigerian dictator.

Undercover Policing Inquiry

The Inquiry into undercover police operations conducted by English and Welsh police forces in England and Wales since 1968, chaired by Lord Justice Christopher Pitchford.

DD v Secretary of State for the Home Department

Whether the imposition of a terrorism measure on person suffering mental illness contravenes Art.3 ECHR

Yam v Attorney General

Whether an order preventing publication of material heard in private in a murder trial, for national security reasons, extended to an application by the offender to the European Court of Human Rights...

Martin-Artajo v Financial Conduct Authority

Representing a former banker in a claim arising out of the “London Whale” JP Morgan trades (Upper Tribunal, 2014)

Beghal v Director of Public Prosecutions

The leading domestic case on the compatibility of detention and questioning at airports under the Terrorism Act 2000 with Articles 5, 6 and 8 of the Convention (Concerned investigatory powers,...

Related news

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4 October

First Unexplained Wealth Order Upheld

On 3 October 2018, Supperstone J dismissed an application to discharge the first Unexplained Wealth Order. Jonathan Hall QC appeared for the NCA. More details can be found here.

17 October


In the first case of its kind, on 12 October 2017, the Crown Court at Southwark granted a novel remedy to Surrey Police to convert the equivalent of £1million in seized BitCoins to sterling using an...

17 February

Top 10 set for Supreme Court appearances in 2016

We are delighted to have been recognised by The Lawyer Magazine as one of the top 10 sets in the country in terms of frequency of appearances before the Supreme Court in 2016. Seven of our members...

10 March

New Cybercrime Group

The Cybercrime Practitioners Association held its launch last week at Portcullis House. Jonathan Hall QC spoke at the launch, and is quoted in today's Times Law Section on some of the key...

7 December

Court of Appeal hears asset recovery challenge

In a judgment handed down on 3 December 2015 in Satnam v National Crime Agency, the Court of Appeal (the Chancellor, Patten and Christopher Clarke LJJ) rejected a challenge brought by the (innocent)...

14 July

The Brecon Inquests

Jonathan Hall QC and Ben Lloyd appeared for the Ministry of Defence in the inquest into the death of three army reservists from heat illness during a march across the Brecon Beacons. The inquest...

18 May

6KBW College Hill Cybercrime Seminar

On 14 May 2015, Chambers hosted a seminar focusing on Cybercrime. The panel discussion was chaired by Jonathan Hall QC and the Q&A was chaired Law Commissioner, Professor David Ormerod QC....

8 May

Will Hays appointed to Attorney General's C-Panel

Will Hays appointed to Attorney General's C-Panel Chambers is pleased to announce that the Attorney General has appointed Will Hays to the C-Panel for civil and EU work. Four members of chambers...