Welcome to Mavin & Co

Specialists in Tax Investigations and Disputes involving VAT, Excise Duty and Customs Duty

Mavin & Co is a niche tax litigation firm specialising in tax disputes, investigations and litigation - principally involving VAT, excise duty and customs duty but also extending to related tax matters and confiscation proceedings. We have over 25 years’ experience in the tax profession, with previous specialist experience in the investigative arm of HM Customs & Excise.

Our wealth of experience in this specialised field of taxation enables us to provide an in-depth focused approach to the issues at hand, and to take proactive measures to safeguard and promote the interests of our clients.

We can offer an extensive range of services to businesses, organisations and individuals, including :

• acting on behalf of clients in any investigation or dispute involving HMRC
• challenging VAT and duty assessments and penalties
• undertaking supply chain investigations
• resolving disputes on the duty classification of imported goods
• conducting appeals to the Tax Tribunals
• advising on technical issues involving excise duties on alcohol, tobacco and hydrocarbon oils
• challenging the detention and seizure of dutiable goods
• challenging benefit and realisable asset presumptions in confiscation proceedings

We also provide expert litigation support and assistance to professional advisers in both civil and criminal proceedings.