Ben Tonner

Ben Tonner


Ben Tonner QC leads the Litigation practice at McGrath Tonner, Cayman Islands. Mr. Tonner has practiced litigation in the Cayman Islands for over 17 years and has extensive knowledge of both the criminal and civil divisions.


Between 2005- 2012, Mr. Tonner’s practice was focused primarily on the criminal division where he defended individual and corporate clients charged with serious criminal offences including fraud, money laundering and offences contrary to the Anti-Corruption Act. In more recent times, Mr. Tonner’s practice has grown to embrace the civil and financial services divisions (where he acts as counsel in a broad range of commercial disputes concerning insolvency and restructuring, asset-tracing, regulatory enforcement, and judicial review proceedings).  Mr. Tonner remains committed to accepting instructions in publicly funded (legally aided) work and honoring the cab-rank rule.


Mr. Tonner regularly appears as leading counsel in the Grand Court and Court of Appeal of the Cayman Islands. He has also acted as Cayman counsel in respect of appeals to the Judicial Committee of the Privy Council. Mr. Tonner is also a fellow of INSOL International.   


Mr. Tonner was appointed as a Member of the Anti-Corruption Commission 15 March 2022  for a three-year term.  Mr. Tonner resigned effective 20 May 2022.