Code of Practice 9 (COP9) Investigations

Solve your tax problems by contacting our tax specialists, with ex-senior HMRC inspectors here to help.

It's free to call us from a landline or mobile on 0800 0016 878, or email

(Non-UK callers may need to call +44 207 101 3845 if you cannot connect to our 0800 number)

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The Tax Faculty Guides: HMRC Enquires & Disputes

Comprehensive Guide to Code of Practice 9 Investigations by HMRC

Do you need to know more about an investigation being conducted under Code of Practice 9?

Read more in our Comprehensive Guide to Code of Practice 9 Investigations by HMRC.

Code of Practice 9 (COP9) - An Overview

Investigations conducted under COP9 are the highest level of non-criminal investigations that HMRC conduct. These investigations are often intrusive & can be catastrophic if not dealt with correctly by specialist advisors with the relevant experience & training.

Whatever your needs, The Tax Faculty can provide the experts you need to successfully keep these checks from spiralling out of control.

All initial consultations are free of charge and should you choose to engage our tax experts, you will receive an award winning service at prices that are affordable to you.