Martyn has been a member of 6KBW since 1984 and offers 34 years experience at the Criminal Bar in the full range of criminal and quasi-criminal work, both as Junior and Leading Junior at Crown Court and Appellate levels.

He regularly appears at the Central Criminal Court and at other Crown Court centres across the South East and in The Midlands.

He is always prepared to “go the extra mile”.

He has frequently conducted cases in the Court of Appeal (Criminal Division), the Administrative Court and has appeared in the House of Lords (now the Supreme Court) twice. He also has appeared in a number of Courts Martial.

Martyn has always sought to maintain a balanced practice incorporating both prosecution and defence work.

He has previously been monitored for Treasury Counsel and is currently a Grade 4 prosecutor on both the CPS General and Serious and Organised Crime lists.

In addition he has prosecuted cases on behalf of the Office of the Immigration Services Commissioner and the Services Prosecution Authority.




Leading Junior

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Martyn has appeared in cases as a Leading Junior involving:

  • Manslaughter
  • Rape
  • Kidnap
  • Blackmail
  • False Imprisonment
  • Human Trafficking
  • Importation of Drugs
  • Firearms
  • Car ringing
  • Fraud
  • Riot and Violent Disorder

Junior Alone

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As Junior alone, Martyn has extensive experience of cases involving:

  • Serious Sexual Offences
  • Causing Death by Dangerous Driving
  • Cruelty to Children
  • Serious violence against the person
  • Possession of Firearms
  • Supply of drugs
  • Cases involving defendants with mental health issues
  • Money laundering and confiscation
  • Environmental Law
  • Trading Standards

He has been instructed as Junior Counsel in numerous murder cases including a number of high profile gang related offences.

Notable Recent Cases

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  • Defended, as Leading Junior, a former Mayor of Glastonbury charged with fraudulent trading and false accounting in connection with a £20 million foreign currency fraud.
  • Defended a dentist accused of making a fraudulent insurance claim and money laundering offences.
  • Defended a man accused of possessing firearms with intent to endanger life, money laundering and being concerned in the supply of significant quantities of cannabis.
  • Defended an Iranian asylum seeker charged with obstructing the railway when he attempted to enter the UK by walking through the Channel Tunnel.
  • Prosecuted, as junior counsel, a murder where the defendant, a UK National, had shot and killed a member of his estranged wife’s family in Pakistan.


  • Prosecuted a series of trials resulting from the arrest of 23 individuals involved in the supply of Class A drugs in and around Ilford Railway station.
  • Prosecuted a conspiracy to supply Class A drugs in Wolverhampton following a six month covert surveillance operation.
  • Defended a 17 year old accused of falsely imprisoning an assaulting a 14 year old youth with severe learning difficulties. This case was a ‘pilot’ for the Vulnerable Witness provisions.
  • Defended a primary school teacher of 23 years experience accused of assaulting a 5 year old autistic pupil.
  • Defended a man accused of a “GI Scam” accused of falsely obtaining money by impersonating a US soldier.
  • Prosecuted a conspiracy to transfer firearms to suspected drug dealers in the West Midlands area.
  • Prosecuted a US ‘YouTube’ blogger for harassment causing fear of violence to the families of children falsely accused of being involved in a Satanic cult.
  • Represented the CPS in the Divisional Court in an appeal by way of Case Stated over the applicability of the defence of insanity to cases of harassment.


  • Prosecuted a Violent Disorder/ s18 involving firearms, knives and a Samurai sword heard at the Central Criminal Court.
  • Prosecuted, as Leading Junior, a multi-handed conspiracy to smuggle mobile telephones and drugs into the Prison Estate.
  • Currently instructed, as Leading Junior to prosecute a multi-handed conspiracy to import blank firing handguns from the Continent and to convert them into lethal weapons.


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Martyn  considers excellent team-work to be crucial in any criminal trial and has consistently received repeat instructions from the full range of professional clients as a result of his approachable and professional style.

Martyn is computer literate and has developed a particular interest in the use of mobile telephone technology and social media in the detection and subsequent prosecution of serious crime.

He places great store upon engaging with both Professional and Lay Clients at the earliest possible stage in the criminal justice process and wherever possible seeks to appear at all pre-trial hearings and have early conferences when instructed to do so.


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  • University of Cambridge, LLB (Hons) Law
  • Inns of Court School of Law

Other Interests

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Martyn has a keen interest in history, politics, current affairs and sport. He is also an avid fan of music of all genres, film and contemporary literature.

Martyn Bowyer has earned the reputation of being able to engage with people of all backgrounds and from many different cultures. He has demonstrated particular empathy with those suffering from addiction and other mental health issues.

He is considered to be diligent, hard-working, trustworthy and highly professional by those who have instructed him.

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