We take the stress and complexity out of dealing with the tax authorities.
Jon Preshaw Tax Ltd is a boutique practice of former HMRC and Big 4 tax experts.
Managing HMRC Investigations
Making Disclosures to HMRC
Resolving Disputes with HMRC
Services for Professional Advisers
Proactively Managing Tax Risk
Advising on HMRC Powers and Procedures
Our people leverage their extensive expertise to help clients efficiently manage interactions with HMRC.
Latest updates and insights from our experts in tax dispute resolution.
Tax Disputes and Investigations – December 2025
This newsletter picks up a number of issues which arose from the November budget which will be of particular interest to those involved in tax disputes. Additionally, we have focussed on some new ‘Guidelines for Compliance’ issued by HMRC which has interesting...
Tax Disputes and Investigations – July 2025
HMRC reactivates enquiries into unallowable purpose Ben Proctor HMRC has been writing to taxpayers with open enquiries involving the unallowable purpose rule at Section 441 CTA 2009. The letters invite taxpayers to reconsider their position in light of three Court of...
Tax Disputes and Investigations – November 2024
The Autumn Budget contained several high-profile measures which have obviously been the subject of considerable debate since. In this month’s newsletter, we have looked at some of the immediate announcements which may be specifically relevant for those dealing...
Tax Disputes and Investigations -October 2024
Alternative Dispute Resolution (‘ADR’) By Jon Preshaw ADR is an increasingly important part of the toolkit available to practitioners and HMRC to resolve disputes. Our recent experience is that HMRC are keen to engage through ADR in most circumstances. In...