Gareth Munday prosecutes and defends in cases of complex fraud, serious sexual offending, violence and firearms.

He is a Grade 4 counsel on the general, sexual offences and fraud CPS lists.

Gareth specialises in prosecuting complex fraud cases leading other junior counsel often against QC’s.

Gareth’s work often finds him calling and cross examining expert witnesses in banking, forensic accounting, sales and valuation of commodities, computers, phones and cell site.  Due to the nature of his work Gareth is used to presenting cases with I-pad jury bundles and through electronic presentation.

In conjunction with his criminal practice Gareth regularly advises Police Forces on matters of sensitive disclosure and preventative orders, Local Authorities regarding family proceedings and linked criminal proceedings, and investigative agencies and companies relating to contemplated criminal proceedings for fraud.

Gareth regularly prosecutes serious sexual and violent offending, where vulnerable witnesses are called for the prosecution. He is experienced in presenting expert evidence on GSR, DNA, cell site, and medical evidence including psychologists and psychiatrists.

Gareth’s work often includes matters of a sensitive nature, be that personal vulnerability of witnesses or involving disclosure issues.

Gareth is instructed to both prosecute and defend in serious road traffic offences, where serious injury and death have resulted; instructed by the CPS and Solicitors acting through legal aid or through Insurers

Gareth is currently instructed on a number of the Operation Venetic cases.

Notable Crime cases

  • R v B

    Prosecuting a campaign of historic sexual abuse of a family member resulting in conviction and sentences of 18 years imprisonment

  • R v SA

    Case involving human trafficking of young girls into being used in the Defendants drugs enterprise, complicated by ongoing vulnerability of the victims’ and attempts to prevent them from giving evidence

  • R v O’B, MB, GN, MW, JL, GM, LW

    Prosecution of two linked groups across two court centres, involving drugs supply of 100’s of kilo’s of class A drugs.

  • R v H and M

    Gang associated shooting in North London [Trident], involving GSR, cell site, enhanced CCTV and DNA

  • R v NO and MK

    Gang associated shooting in North London [Trident]

  • R v CO AS

    Prosecution of participants in fight that led to the death of one of their number, and subsequent attempt to prevent the murderer from being apprehended, involves anonymous witnesses

Gareth’s practice has focussed over the last 10 years on prosecuting multi handed, complex, data heavy frauds; be they white collar, boiler room, banking or frauds against HMRC and DWP.

Gareth’s cases often require an understanding of technical IT issues.

Gareth also advises pre-charge for both investigative and prosecutorial agencies as well as companies relating to contemplated criminal proceedings for fraud.

Gareth prosecutes as a junior alone or leading other junior counsel.

Notable Fraud cases

  • R v Hollinshead

    Prosecuting high profile case of a man and his solicitor who claimed to have persuaded the Saudi Royal Family to fund his efforts to purchase London Welsh Rugby Football Club, as a result of which he fraudulently purchased the club for £1.

  • R v Shipley

    Prosecuting a high profile figure involved in the funding of the movement for Brexit, for fraud relating to his personal employment and setting up of businesses

  • R v KT

    Prosecuting the CFO of a listed dotcom for fraudulently obtaining funding from listed foreign exchange companies, resulting in many tens of millions of pounds of direct losses and to their share values

  • Op Studley

    Defending card skimming and payment fraud targeting Tesco Petrol stations nationwide.

  • R v OO and others

    Prosecuting an international organised crime group who obtained in excess of £15 million through diversion fraud and money laundering through UK, US, Canadian, Nigerian European and Chinese banks

  • Operation Vomerine

    Prosecution of 7 individuals working for LAs who abused their position of trust to steal housing benefit, all convicted. Subsequent complex confiscation proceedings involving property disputes over ownership of land, with linked High Court proceedings.

  • Operation Duffers

    Prosecuting 25 defendants over the course of 4 trials for organised fraud against the DWP, involving 100’s of bank accounts, over 1000 false identities and over £1 million in lost funds. All Defendants bar one convicted.

  • Op Lilacbox

    £8 million self assessment tax fraud committed by an organised crime group based in Eastern Europe and London. Advising on cross jurisdictional matters and subsequent prosecution.

  • R v OA and TO

    Prosecuting diversion fraud and COVID bounceback loan fraud

  • R v M, and others

    7 handed prosecution, first UK prosecution concerning abuse of Apple I-pay system

  • R v MB and CB

    Boiler room fraud concerning the sales of rare earth metals, diamonds and carbon credits

  • R v P, T, W and D

    Advising pre-charge on widespread bribery within government backed contracts for building works.

Gareth advises various police forces and the CPS on discrete disclosure issues and appears for the MPS and CPS on matters of judicial review arising primarily from issues linked to matters he has prosecuted.

Gareth also represents police forces in applications for preventative orders from sexual risk orders to gang injunctions.

Notable Regulatory, Police and Public law cases

  • AN [2014] EWHC 3810 (Admin)

    Judicial Review proceedings regarding the release of information to the GMC by the Met Police allowing them to perform their statutory duty in investigating Doctor’s proper behaviour.

  • DPP v AJ (Admin)

    Judicial Review proceedings seeking leave to challenge delay in making a charging decision.

  • R v CC, AF

    Advising police on disclosure matters relating to high profile investigation and prosecution of an international cricketer and barrister.


“A very capable prosecutor, who is robust in cross-examination. In the case he had to juggle a lot of unexpected applications and all sorts of arguments coming from different angles. His ability to manage everything was admirable. He never lost focus on what the issues were and he remained courteous and professional at all times.”

Chambers & Partners 2024

“Gareth is highly accomplished at prosecuting the most complex and high-volume cases. He demonstrates a thorough understanding of the interplay between different defence cases and is a powerful cross-examiner.”

Legal 500 2024

“He has attention to detail and is a very robust advocate. He also had great client care skill.”

Chambers & Partners 2023

“Gareth’s particular strength is his ability to remain calm and collaborative when prosecuting.”

Legal 500 2023

“He is fantastic with lay clients who have no experience of the process and robust when dealing with his opponents. He argues his corner very politely even in the face of real provocation.”

Chambers UK 2021

“Really calm, very smooth and unflappable.”

Chambers UK 2021

“A fantastic advocate. An excellent lawyer who knows the law and how to apply it to the facts of a case. Always decisive and a team player in large fraud cases.”

Legal 500, 2020

Regulated by the Bar Standards Board (BSB)

Regulated by the Bar Standards Board (BSB) and holds a current practising certificate.

Regulated by the Bar Standards Board (BSB)

Regulated by the Bar Standards Board (BSB) and holds a current practising certificate.

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Deka Chambers: 5 Norwich Street, London EC4A 1DR

© Deka Chambers 2024


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