Judith Seddon > Dechert LLP > London, England > Lawyer Profile

Dechert LLP
25 Cannon Street
Judith Seddon photo

Work Department

White Collar, Compliance and Investigations




Judith Seddon is a leading white collar lawyer, representing clients in matters relating to fraud, money laundering, corruption and regulatory and criminal investigations and prosecutions. Ms. Seddon advises corporate clients, including senior executives and leading financial institutions, in some of the most significant and complex investigations mounted by the SFO and FCA in the UK and by prosecuting authorities across the globe, acting as a trusted advisor in navigating the myriad of unexpected challenges involved in managing cross-border investigations. She has conducted numerous internal investigations for clients involving highly sensitive matters and successfully defended clients against threatened actions by the SFO and FCA and other government agencies, including the Competition and Markets Authority.

Following a highly successful academic career, Ms. Seddon established herself at a leading boutique criminal law firm in central London. She regularly appeared as a defense advocate in court and led the preparation of the defense in high profile prosecutions, including the prosecution of police officers from the Metropolitan Police’s Flying Squad at the Central Criminal Court. She later joined an international law firm where she was responsible for managing the growth of the white collar investigations and prosecutions practice.

Ms. Seddon is a regular speaker, panel member and chair at conferences throughout the UK and internationally. She co-edits GlR’s The Practitioner’s Guide to Global Investigations.


  • English
  • German


  • Fraud Lawyers’ Association
  • Women in White Collar Defense Association
  • American Bar Association


  • King’s College London, LL.B. (with German Law), 1991
  • Yale Law School, LL.M., 1992
  • University of Oxford, New College, BCL, 1995

Lawyer Rankings

London > Crime, fraud and licensing > Fraud: white-collar crime (advice to individuals)

(Hall of Fame)

Judith Seddon  –Dechert LLP

The ‘powerhouse white-collar team’ at Dechert LLP represents individual clients from across the world, providing vast expertise on market manipulation, serious fraud, and bribery claims. With an extensive client roster of senior directors, c-suite executives, and ultra-high-net-worth individuals, the practice regularly handles domestic investigations brought by the SFO and FCA, as well as international proceedings involving the US Department of Justice (DOJ) and SEC. Practice co-chair Judith Seddon – ‘respected, sophisticated and hugely experienced‘ – specialises in complex money laundering and criminal investigations, while fellow co-head Roger Burlingame draws on his experience as a DOJ prosecutor to deal with cross-border white-collar criminal defence proceedings. Matthew Mazur is well versed in internal investigations, while Tim Bowden frequently manages cases involving international fraud. Other names to note include Matthew Banham, who concentrates on financial crime issues, and Evan Flowers, an expert in anti-bribery compliance and AML sanctions.

London > Risk advisory > Regulatory investigations and corporate crime (advice to corporates)

(Hall of Fame)

Judith Seddon  –Dechert LLP

The ’seriously impressive’ Dechert LLP white-collar practice provides dedicated expertise on both traditional financial crime and investigations work, along with handling newer areas, such as sanctions, ESG, and cryptocurrencies. The firm has in-depth experience managing cross-border, multi-agency DPAs and corporate settlements with domestic and international authorities- ranging from the SFO to the US DOJ.  US qualified co-head Roger Burlingame is an expert on multijurisdictional white-collar criminal defence proceedings, while Judith Seddon shows ‘pure excellence’ when advising on fraud, money laundering, and corruption investigations. Matthew Banham and Tim Bowden both handle financial and general criminal law matters while Matthew Mazur guides companies through US government investigations. Evan Flowers and John Bedford are also recommended. Partner Caroline Black left in February 2023.