Navigate HMRC Tax
Investigations
With Confidence
GSC Tax Consultancy provides expert, confidential representation for individuals and businesses facing HMRC enquiries, alongside strategic tax planning and inheritance tax advice.
Expert HMRC Specialists
Decades of experience dealing directly with HMRC at every level
Confidential & Discreet
Complete confidentiality guaranteed throughout every engagement
Proven Results
Track record of achieving the best possible outcomes for clients
Specialist Tax Services
We offer two core areas of expertise, each delivered with the highest level of professionalism and discretion.
HMRC Tax Enquiries
Expert defence and representation for all types of HMRC investigations — from routine compliance checks to serious fraud investigations under COP9.
- Compliance checks & aspect enquiries
- Full tax investigations
- COP8 & COP9 specialist defence
- HMRC correspondence management
- Settlement negotiation
Tax Planning & IHT
Strategic tax planning and inheritance tax advice to protect and preserve your wealth for future generations.
- Estate planning & IHT mitigation
- Trust structures & administration
- Lifetime gifting strategies
- Wills & succession planning
- Business property relief
Latest Articles
HMRC Compliance Checks and Tax Enquiries: Frequently Asked Questions
Received an HMRC compliance check or tax enquiry letter? Our frequently asked questions explain why HMRC may have selected you, what information it can request,...
Inheritance Tax Planning Guide 2026–27
Inheritance Tax Planning: A Guide for Families and Business Owners Inheritance Tax (IHT) planning is becoming increasingly important for families, property owners and business owners....
HMRC Nudge Letters and OTM Campaigns | What to Do
HMRC Nudge Letters and One to Many Campaigns: What Should You Do? HM Revenue and Customs (HMRC) increasingly uses information from banks, online platforms, overseas...