Expert Help When HMRC Comes Calling
Stay protected. Stay in control.
Being under investigation by HMRC can be nerve-racking — especially if you’ve received a letter out of the blue. At SHRM TAX Advisors, we provide calm, expert support to navigate the process from start to finish. Whether it’s a random check or a more serious inquiry, we’re on your side.
Our Success Rate
We’ve successfully defended individuals and businesses through hundreds of HMRC tax investigations — from simple compliance checks to full-blown fraud inquiries.
What We Do
Comprehensive Tax Investigation Support
We specialise in resolving HMRC issues quickly and efficiently, while protecting your rights and minimising disruption.
Services Included
- HMRC correspondence review & interpretation
- Representation during investigations
- Voluntary disclosure support
- Tax enquiry and compliance check defence
- COP8 / COP9 serious investigation handling
- Penalty reduction and settlement negotiation
Who It’s For
- Individuals or businesses facing HMRC scrutiny
- Late filers or those with historical tax issues
- Anyone who’s received a letter from HMRC
- Directors, landlords, crypto traders, side hustlers
- People worried about undeclared income or mistakes
Our Tax Investigation Services Include
HMRC Letter Review
We interpret the jargon and give you a clear breakdown of what HMRC is asking — and why.
Representation & Communication
We handle all correspondence and meetings with HMRC, shielding you from stress and avoiding missteps.
Code of Practice 8 & 9 Defence
If you’ve received a COP8 or COP9 letter, you need serious representation. We provide full support throughout the process.



Clear Steps. Full Support.
Share the HMRC Letter
Upload or send us what you received. We’ll tell you exactly what it means — for free.
Get a Tax Specialist
You’ll be paired with a specialist in HMRC investigations, matched to your situation and industry.
We Defend You
We communicate with HMRC on your behalf, manage deadlines, build your case, and guide you every step.
Book a free call with a tax investigation expert today.
The earlier we act, the better the outcome. Whether it’s a simple check or a complex probe, we’ll protect your rights, minimise penalties, and get you through it.
Common Questions Tax Investigation Support
It could be random or triggered by inconsistencies. We’ll help you understand what prompted it and what they’re looking for.
A compliance check is routine. An investigation suggests HMRC suspects underpayment or irregularities. Either way, we help.
Yes — we’ll manage all communications so you don’t have to speak directly with HMRC.
Absolutely. We’ve helped many clients clean up years of unfiled taxes and avoid harsh penalties.
HMRC often treats honest errors more leniently. We’ll make your case clearly and honestly.