Matthew Banham


Matthew Banham


London | 160 Queen Victoria Street, London, UK EC4V 4QQ
+44 20 7184 7687 | +44 20 7184 7001


Matthew Banham is an established practitioner who specialises in financial crime and regulatory enforcement investigations. His rare combination of experience gained from working in-house in the financial service industry, as well as working for the FCA and the SFO ensures clients receive sound strategic advice when navigating the multi-agency landscape.

Mr. Banham is noted by Legal 500 as a lawyer who "absorbs huge quantities of information with a remarkable facility" and "commands the respect of the court and his peers." He is listed in The Legal 500 UK 2020 with clients stating that he "has very good legal analysis skills." 

In November 2019, Matthew Banham was “Highly Commended” by Legal Week in the “White Collar Crime Team of the Year” category for its successful defence of a British executive charged by the UK’s Serious Fraud Office in a lengthy cross-border corruption investigation into a multinational conglomerate.

White Collar Crime and Compliance: Mr Banham advises firms and individuals on complex global investigations and advises on money laundering regulations and anti-corruption compliance. He focuses his practice on multi-agency and cross-border investigations with an emphasis on international investigations. 

Financial Services: Mr Banham provides advice and representation to city professionals and firms. He has extensive experience of external and internal investigations across various asset classes involving Regulators in both the United States and United Kingdom.

Prior to joining Dechert, Mr. Banham served as the senior vice president of Barclays Bank's litigation investigations and enforcement division where he advised and managed external investigations and regulatory risks for the investment bank. When at the Serious Fraud Office he was a Case Controller and he worked and led on the UK’s most complex and landmark cases including; Rolls Royce, LIBOR, and Foreign Exchange benchmarks. Mr. Banham's previous experience also includes working as counsel at the FCA where he routinely advised and managed investigations and prosecutions into allegations of insider trading, other financial crime offences.

Mr. Banham was called to the Bar in 1999.


White Collar Crime and Compliance

  • Advising and coordinating the global strategy and investigation on behalf of the investment arm of a government into complex and sophisticated corruption and financial crime in multiple jurisdictions.
  • Advising and coordinating the defence strategy for a state owned company and its directors facing overseas criminal charges.
  • Representing senior Directors in multiple SFO and multi-agency investigations and prosecutions.
  • Advising financial services firms on money laundering regulations compliance.
  • Providing anti-bribery and corruption training and advice to multi-jurisdictional firms.   

Financial Services 

  • Advising an overseas Regulator in an investigation into complex financial crime.
  • Representing and advising C-suite directors in FCA and cross-border investigations into different assets within the broker market.
  • Representing high frequency trading firm and its directors in an overseas prosecution of events leading to a “flash crash”.
  • Advising regulated firms on their regulatory notification and anti-money laundering obligations.
  • University of Hertfordshire, LLB Honours 2:1, 1997
  • Barrister, England and Wales
  • Honourable Society of the Inner Temple
Speaking Engagements
  • Dechert: Too Early To Tell If Market Manipulation Is Up – Bloomberg Daybreak Europe, London (May 15, 2020)
  • Recent litigation developments in the ever-growing fields of corruption and bribery – 10th World Litigation Forum, Dubai (January 27-28, 2020)
  • Navigating the cooperation demands of the SFO and DOJ in cross-border internal investigations – Lexology Webinar, London (January 9, 2020)
  • Impact of recent U.S. sanctions on Russian oligarchs and top government officials, how to detect corruption and money laundering techniques used by PEPS,  and U.S. and UK investigations on financial institutions – Academy & Finance's Russian PEPS and Oligarchs Seminar, Zurich and Geneva (June 19-20, 2018)
  • SMCR Question Time – London (January 23, 2018)
  • Privilege – Legal Business Commercial Litigation Summit 2017, London (July 3, 2017)
  • The interplay between sentencing, confiscation and forfeiture; including discussion of DPAs – 33 Chancery Lane Business Crime Conference, London (October 20, 2016)