HMRC & Tax Disputes
Expert hmrc & tax disputes articles and analysis from Simon Newsham CTA — a Chartered Tax Adviser with over 30 years' experience advising businesses and high net worth individuals.
COP9 Investigation: A Complete Guide to the Contractual Disclosure Facility
COP9 is HMRC's most serious investigation — suspected tax fraud. This guide explains the Contractual Disclosure Facility, penalties, how to make a full disclosure, and why accepting the CDF is almost always the right choice.
Read more
HMRC Tax Enquiry: What to Do When HMRC Investigates You
Receiving an HMRC enquiry letter can be alarming. This complete guide explains the types of enquiries, your rights, the process, and how to achieve the best outcome — from opening letter to tribunal.
Read more
AMAP Mileage Rates Rise to 55p: What Employees and the Self-Employed Need to Know
The Approved Mileage Allowance Payment (AMAP) rate has increased to 55p per mile from 6 April 2026 — the first change in 15 years. Here is what employees, employers and the self-employed need to know.
Read moreNeed Expert HMRC & Tax Disputes Advice?
Speak with a Chartered Tax Adviser. No obligation, just clear, practical guidance on your tax matter.