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    • HOME
    • FOR BUSINESSES
      • CORPORATION TAX
      • TAX INVESTIGATION
      • VAT RETURNS
      • BOOKKEEPING
      • R&D TAX CREDITS
      • PAYROLL SERVICES
      • BUSINESS ADVICE
    • FOR INDIVIDUALS
      • SELF-ASSESSMENT
      • WILL & PROBATE SUPPORT
      • ESTATE & INHERITANCE TAX
      • PERSONAL TAX PLANNING
      • CAPITAL GAINS TAX
    • WHO WE HELP
      • OVERVIEW
      • CIS CONTRACTOR
      • PARTNERSHIPS
      • LANDLORDS
      • STARTING A BUSINESS
      • SOLE TRADERS
      • LIMITED COMPANIES
    • ABOUT US
      • ABOUT IIA ACCOUNTANTS
      • SWITCHING ACCOUNTANTS
      • FIND THE RIGHT ACCOUNTANT
      • WHAT OUR CLIENTS SAY
      • CONTACT US
    • RESOURCES
IIA Accountants
  • HOME
  • FOR BUSINESSES
    • CORPORATION TAX
    • TAX INVESTIGATION
    • VAT RETURNS
    • BOOKKEEPING
    • R&D TAX CREDITS
    • PAYROLL SERVICES
    • BUSINESS ADVICE
  • FOR INDIVIDUALS
    • SELF-ASSESSMENT
    • WILL & PROBATE SUPPORT
    • ESTATE & INHERITANCE TAX
    • PERSONAL TAX PLANNING
    • CAPITAL GAINS TAX
  • WHO WE HELP
    • OVERVIEW
    • CIS CONTRACTOR
    • PARTNERSHIPS
    • LANDLORDS
    • STARTING A BUSINESS
    • SOLE TRADERS
    • LIMITED COMPANIES
  • ABOUT US
    • ABOUT IIA ACCOUNTANTS
    • SWITCHING ACCOUNTANTS
    • FIND THE RIGHT ACCOUNTANT
    • WHAT OUR CLIENTS SAY
    • CONTACT US
  • RESOURCES

TAX INVESTIGATION

HMRC tax investigations can be triggered by errors, inconsistencies, or completely at random. Whether you’re a sole trader, landlord, or small business, it’s important to have protection in place just in case.

Our Tax Investigation Service gives you expert support and covers the cost, saving you stress, time, and money.

📩 CONTACT US

What’s Covered?

 With our tax investigation service, you get:


  • Full cost coverage for any work we do on your behalf during an HMRC enquiry
  • Expert defence from experienced consultants to guide you through the process
  • Peace of mind knowing you won’t face hefty accounting fees, even if you’re found compliant

Why Choose Us?

  •  Tax enquiries can be time-consuming and expensive and HMRC won’t reimburse your defence costs, even if you’re cleared.
  • We work quickly to resolve the investigation and protect your business and reputation using experienced tax professionals, backed by specialist insurance. 

Who Needs This Service?

 We recommend tax investigation protection for:


  • Sole traders and freelancers 
  • Limited companies and partnerships 
  • Landlords and property investors 
  • Anyone filing a Self Assessment return

Frequently Asked Questions

Please reach us at Info@iiaaccountants.co.uk if you cannot find an answer to your question.

HM Revenue & Customs (HMRC) usually opens an enquiry when they become aware that there is a discrepancy between your records and what they were expecting.

HMRC have a greater reach meaning that they receive information first hand from third parties to build a picture of taxpayer's finances.

HMRC also open random enquiries so your investigation may be one of those.


The length of a tax investigation depends on the type of enquiry - full or aspect, as well as the complexity of the case. It's not unusual for an enquiry to take between six months and two years from start to finish. Working with a reliable accountant will ensure you are able to respond to the tax investigation sooner and have the right records for HMRC. 


 When you first receive a letter from HMRC opening an enquiry, the first thing you should do is speak to an accountant. There is no point in burying your head, speak to an acocuntant first to get started with handling your tax investigation. Then, reply to HMRC with the required information as soon as possible, and before the deadline. 


Get Protected Today

 Don’t wait until a tax enquiry lands at your door. 

📩 CONTACT US

📞 0747 162 1612

Copyright © 2025 IIA Accountants - All Rights Reserved.

  • HOME
  • CORPORATION TAX
  • TAX INVESTIGATION
  • VAT RETURNS
  • BOOKKEEPING
  • R&D TAX CREDITS
  • PAYROLL SERVICES
  • BUSINESS ADVICE
  • SELF-ASSESSMENT
  • WILL & PROBATE SUPPORT
  • ESTATE & INHERITANCE TAX
  • PERSONAL TAX PLANNING
  • CAPITAL GAINS TAX
  • OVERVIEW
  • CIS CONTRACTOR
  • PARTNERSHIPS
  • LANDLORDS
  • STARTING A BUSINESS
  • SOLE TRADERS
  • LIMITED COMPANIES
  • ABOUT IIA ACCOUNTANTS
  • SWITCHING ACCOUNTANTS
  • FIND THE RIGHT ACCOUNTANT
  • WHAT OUR CLIENTS SAY
  • CONTACT US
  • RESOURCES

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