Jon Preston

Associate Director

  • EMEA
  • Investigation Services
  • Ethics and Compliance Consulting

Jon is a forensic accountant and Associate Director in Control Risks’ forensic investigations practice in Europe, the Middle East and Africa. 

Jon primarily manages complex fraud, misconduct and accounting misstatement investigations. He also has extensive experience in responding to regulatory inquiries and helping businesses manage their fraud risks proactively. 

Recent tasks that Jon has worked on include: 

  •  Accounting misstatement and fraud investigation at a large international food business, focusing on the conduct of 27 individuals and resulting in the uncovering of over GBP 100m of inaccuracies within the Balance Sheet 
  • Supplier fraud investigation into a construction business, uncovering collusion between members of staff and external suppliers and allowing the business to recover a significant proportion of funds 
  • Investigation into large-scale fuel theft in West Africa, including staff interviews, review of systems and processes, and assessment of physical measures in place, ultimately informing a new regional operating procedure for the client 
  • Redesign of a big four bank’s end-to-end investigations process following criticism from their regulator, including interviews with internal stakeholders, a proposal for making improvements, and the drafting of a new guide to conducting investigations at the bank 
  • Review of the accounting practices of a high-street restaurant chain, including conducting interviews with members of the team, establishing misstatements, and calculating true values 

  • Jon has been involved in investigations across the UK, Europe, and Africa, working with regulators, external legal counsel, law enforcement, and internal investigation and compliance teams. Before joining Control Risks, Jon worked in the forensics department of a Big Four firm for over nine years.  

    Jon holds a BA in Mathematics from the University of Nottingham and is a member of the Institute of Chartered Accountants in England & Wales (ICAEW). He is also an Accredited Counter Fraud Specialist (ACFS). 

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