
Expert tax dispute resolution services
Over 20 years experience in managing tax disputes and investigations in Scotland and throughout the UK
About Jon Preshaw Tax
Jon is a specialist tax adviser who supports his clients to resolve and manage disputes with HMRC.
Jon has 23 years of experience dealing with tax disputes and started his career in the Inland Revenue leading a team of investigators in HMRC’s Special Compliance Office. He subsequently spent 13 years working at PwC as a Tax Dispute Resolution specialist, leading PwC's teams in the North and Scotland.
Jon has extensive experience working with a broad range of clients directly and alongside other professionals, including large companies, owner-managed businesses, trustees and individuals to successfully resolve tax disputes across all tax types.
Whether you are facing a serious HMRC investigation, involved in a complex technical dispute, or need to tidy up your tax affairs, Jon Preshaw Tax provides a personal and professional service to clients and other professional advisers throughout the UK.


We take the stress and complexity out of dealing with the tax authorities
Our Services

Managing and resolving tax disputes and investigations
We can assist with the full range of HMRC enquiries, interventions and investigations. Based on an extensive knowledge of HMRC's powers, procedures and practices, we can advise on the best way to manage an enquiry to ensure that it is dealt with as efficiently as possible.

Supporting professional
advisers
We can support you to ensure that a tax dispute or investigation is resolved in the best possible way for your client. Our aim in working with other professional advisers is to ensure that issues are resolved in a way which enhances your relationship with your client. We can provide flexible support on technical issues as they arise or manage projects on your behalf.

Managing and resolving
HMRC enquiries
HMRC enquiries under Code of Practice 9 and Code of Practice 8 can be particularly stressful and intrusive. We have extensive experience of managing these enquiries with sensitivity and discretion and reaching a successful resolution.

Acting as an
expert witness
We can provide expert witness services in respect of HMRC processes and procedures, tax risks associated with tax avoidance schemes and claims, investigations and enquiries.
More Information

Jon Preshaw has a huge depth of experience in dealing with complex tax issues and has assisted my firm on many occasions by providing expert tax advisory support on matters we are handling for our clients. He is collaborative and is able to demystify complicated concepts to provide commercial and practical solutions to the benefit of our clients.
SOLICITOR, MANCHESTER