Martin is a leading Junior. He is ranked in the Legal 500 2020 general crime section as follows:
"A walking disclsoure manual whose cross examinations are effective"
In Fraud:crime the same directory reads as follows:
"A thorough practitioner who will fiercely fight his clients corner"
Legal 500 2019 had the following comments:
"He can absorb and understand vast amounts of complex material and explain it to a jury".
He is recognised in the 2019 edition of Chambers & Partners directory in the area of Financial Crime and is the only member of Farringdon Chambers to be included.
"Accomplished Junior with a strong track record of defending in financial crime cases. He is esteemed for his ability in cases of fraud, money laundering and serious organised crime"
"He is brilliant on the law and has a superb cross examination technique"
He is instructed in the most substantial and complex cases of fraud, drugs, corruption, money laundering, People Trafficking and all aspects of organised crime. Martin has extensive experience of Serious Fraud and related Confiscation proceedings. He has advised and appeared in complex contested cases in the Crown Court, the High Court and the Court of Appeal. He is used to working with substantial amounts of paperwork and is computer literate.
Martin is particularly experienced in cases involving experts in cell site, computers, telephone, accountancy and other such evidence.
In the last few years Martin has developed a niche practice in appeals against costs decisions and has been reported in decisions of costs Judges, the High Court and the VHCC appeals committee where he has been unusually successful in taking points of principle. Martin has substantial experience of VHCC cases. Martin is an Independent Costs Adjudicator (formerly known as a member of the LSC VHCC appeals committee). He is a former elected member of the Criminal Bar Association executive. Martin is registered to give lectures to Solicitors and the the Bar in Costs and costs appeals.
R v S - multi-million pound international fraud
Prosecuted by QC and junior. 15 defendants. 3months at Southwark CC
R v S - multi-defendant parcel fraud
4 weeks Blackfriars
R v M - Fraud
leading junior must-defendant mortgage fraud/money laundering
R v M - multi-defendant money laundering
3 weeks Canterbury
R v M - multi-defendant fraud and money laundering
Leading Junior - 2.5 months Southwark
R v S- Fraud
Currently retained to advise in a multi jurisdiction computer phishing fraud
R v M - Fraud
10 week money laundering/fraud
R v W - Money Laundering
Retained to advise at pre charge restraint stage in International fraud and money laundering
R v G - Money Laundering
Currently acting as sole junior in fraud/money laundering likely to last 2 months Kingston CC
R v C - Fraud
Leading junior in a diamond boiler room fraud Southwark CC
R v D - Blackmail
major money lending and blackmail case at Wood Green CC
R v H - Huge courier fraud
R v H - substantial courier fraud
R v D - sole junior organised crime group importing and onward selling Class B
R v P - leading junior Stafford CC - Organised Crime group
Acted for lead defendant
R v M - Sole junior Birmingham CC
Acted for lead defendant in substantial multi defendant Class A organised crime group
R v X - two drugs conspiracies involving in excess of 20 defendants in all
Split trials in Nottingham and Bristol
R v K - Drugs
Currently retained to advise on restraint and act for lead defendant in substantial telephone based drugs investigation involving multiple defendants - Peterborough CC
R v B - Drugs
Currently acting for one of the main defendants in a multi defendant organised crime drugs cas
R v M - People trafficking/Modern Slavery
Leading junior 10 weeks slavery Newcastle CC
R v C - leading junior - People trafficking/Modern Slavery
Case lasted over 4 months Prosecuted by QC and two juniors. Birmingham CC
R v H - People trafficking/Modern Slavery
Leading junior people trafficking.
Lord Chancellor v McCarthy
High Court "friendly appeal" against the costs Judge's decision to categorise a case from an A to a B in graduated fee case resulting in decision being overturned in our favour...
R v Smith (Henry Lee)  Crim.L.R 325
(Archbold 2011 Para 4-40 & 13-29)
Lord Chancellor v Purnell QC & McCarthy 
Costs L.R. 81, QBD
Lord Chancellor v AJ Solicitors & McCarthy 
EWHC 2113 (QB)
Smith v CPS 
EWHC 3506 (Admin)
MO, & Others, R 
EWCA Crim 2854 (8 Dec 2011)
Lord Chancellor v McCarthy 
EWHC 2325 (QB).
Martin has been instructed in a number of serious cases in recent years but as a guide, the following cases reflect the type of work Martin undertakes:
People trafficking/Modern Slavery
- Chambers Director
- Registered pupil supervisor
- Chambers Criminal Bar Association representative
- Former Member of the Executive committee of the Criminal Bar association.
- Criminal Bar Association
- South Eastern Circuit
- Proceeds of Crime Lawyers Association
- Independent Costs Adjudicator for the Legal Aid Agency
- Association of Fraud Lawyers