Amongst other cases, Jonathan has advised companies and individuals in connection with the Saudi Arabia Al Yamamah, Iraq Oil for Food, NHS drug cartel and Worthington Nicholls investigations. He has also advised in many civil fraud cases, including two recent cases where high profile business figures were considering the institution of civil proceedings to recover their losses.

In addition to his advisory work and civl claims which have been settled, Jonathan has been involved in the following recent fraud (other than tax fraud) cases which have come into the criminal courts:

• SEC v Manterfield ([2010] 1 WLR 172, Lydia Capital hedge fund, alleged fraud, freezing order)
• Wise (2009, MEP expenses fraud)
• Brook & ors (2007-8, Imperial Consolidated Group investor fraud investigation)
• Mea Corporation (2006, fraudulent trading investigation, shadow directors)
• Smith & ors (2005, banking fraud involving $101 Canadian dollar)
• Rosser & Blee (2001-03, malt whisky and millennium champagne investor fraud)