"Mark is a top-class barrister and the sort of silk one would want to have on every case. His strategy is brilliant, and the level of preparation that goes into a conference with a lay client is noteworthy. It really is a Rolls Royce level of service."
Legal 500: Crime 2027
"His written advocacy is fantastic. He is the kind of barrister you would want to have with a high-net-worth client. He understands the issues, the client's perspective, and is able to navigate the client through a difficult set of circumstances, bearing in mind not just the criminal issues but also any resultant regulatory and/or reputational concerns."
Legal 500: Crime 2027
"I cannot speak highly enough of Mark. He's a man with an outstanding work ethic who is meticulous in his approach."
Chambers & Partners: Crime 2027
"Mark exhibits a prodigious capacity for grasping complex and detailed factual matrices, analyzing them, and then breaking them down to get to the core of a case in a manner that is comprehensible for the lay client and, most importantly, for the jury. Mark is also very attentive with regard to interlocutory matters, and his directions are always specific and case-oriented."
Legal 500 Fraud 2027
"Mark is very bright and strategic. I couldn't speak highly enough of him."
Chambers & Partners: Financial Crime 2027
"Mark is a pre-eminent silk who takes a meticulous approach to his work."
Chambers & Partners: Financial Crime 2027
"When Mark is instructed in a case he is wholly committed to it. He has excellent strategic skills and an ability to plan out the approach to be taken in each case with due cognisance of potential contingencies that might arise. He has a microscopic attention to detail and nothing is left to chance. Mark is an excellent advocate. His approach is perfectly balanced and nuanced and always effective."
Legal 500 2024
Shortlisted Legal 500 ‘Silk of the Year 2026
Times Lawyer of the Week November 2025
Mark Mulholland K.C. S.C. has developed a unique practice in multi-jurisdictional proceedings, global investigations and bespoke advisory work. He is a seasoned and highly experienced trial counsel spanning 32 years in practice. Mark has worked with many of the leading firms in financial crime in London, Dublin and New York. His caseload has spanned some of the most complex matters across Ireland, the UK, US, UAE, Russia, Greece and the Cayman Islands. He has acted for clients in investigations/prosecutions relating to the NCA, SFO, FCA, DOJ, SEC, HMRC and MI5. His vast trial experience in both jury and non-jury trials in a variety of courts and jurisdictions is matched by few Silks across the British Isles and Ireland.
He has extensive experience as an appellate advocate and has appeared on several occasions in the UK Supreme Court. He also represents clients in cases where UK DV security clearance is required as well as ultra high net worth individuals facing serious criminal allegations with related proceeds of crime or regulatory implications. Mark has also acted in serious criminal and regulatory proceedings for barristers, solicitors and police officers for over 20 years. Mark has also acted for a number of sports personalities including those with backgrounds in international rugby, MMA and professional boxing. Mark is on the PPS Senior Counsel panel and is instructed in serious and complex criminal cases including fraud.
Mark joined Cloth Fair chambers given his expertise in financial crime, fraud and regulatory work and his proven track record in numerous cases at both trial and appellate level in criminal and commercial/civil proceedings.
In 2016 Mark was nominated and admitted into the US International Academy of Trial Lawyers in Washington DC – the selection criteria required an evidence base of appearing in 1000 trials. Over the last 10 years Mark has appeared frequently in the most complex criminal trials and secured Not Guilty verdicts in every case that has gone to verdict. Within the past 12 months Mark has secured acquittals in two of the most high-profile criminal trials to come before the courts in the United Kingdom in recent years.
Mark has advised on the provisions of the Fraud Act 2006 and Bribery Act 2010, the Economic Crime and Corporate Transparncy Act 2023 and the Police Crime & Policing Act 2026. Mark has experience conducting internal investigations and advising on remediation and compliance in several jurisdictions. He has been a guest speaker at events in Cape Town, Hong Kong, Boston, London, Kuala Lumpur, Edinburgh, New Zealand, Vienna and New York amongst other places. He has published articles on the Bribery Act & DPAs, Wrongful Trading and Company Director Disqualification and has been published in the Lloyds Financial Crime Law Reports on asset forfeiture in the UK and Ireland. Mark has previously taught Commercial Law at Queens University Belfast, and has given talks to government agencies and corporate entities on the Proceeds of Crime Act and Company Director Disqualification. Mark is regularly retained to defend corporates and directors in environmental and waste proceedings proceedings and also to advise and represent corporate clients in health and safety related prosecutions.
Bribery & Corruption
Fraud & Investment Fraud
Tax, Duty Evasion & Proceeds of Crime
Regulatory Investigations, Advisory & Compliance
Serious Crime & Other High-Value Matters
Mark has advised on the provisions of the Fraud Act 2006 and Bribery Act 2010 (and published) as well as conducting internal investigations and advising on remediation and compliance in several jurisdictions and spoken at events including IBA , World Bar Conference, IATC and also delivered lectures to governmental agencies and corporate entities on the Proceeds of Crime Act, Company Director Disqualification and Wrongful Trading, Deaths in the Workplace & Corporate Liability.
Select the practice areas that you would like to download or add to the portfolio
| Title | Type | CV |
|---|
Click here to share this shortlist.
(It will expire after 30 days.)
Need more information about the above Barristers and Practice Areas?
Talk to one of our clerks:
