Jon Claypole

Partner and National Head of Tax Investigations at Mazars LLP.


He is a former senior HM Inspector of Taxes having also worked at EY prior to joining Mazars LLP in 2008


Jon specialises in supporting clients through all types of disputes with HMRC ranging from ad hoc technical queries through to allegations of fraud and criminal investigations. He acts for corporates, entrepreneurs and high net worth individuals.  Jon also provides support for clients to identify and address their tax risks including their obligations under the Senior Accounting Officer and Corporate Criminal Offence regimes.


Latterly Jon has supported clients to address the challenges of HMRC’s approach to participation in tax avoidance schemes to include acting as an expert witness in claims of professional negligence.


Jon qualified as a Chartered Tax Advisor in November 2003.