How to Register

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Application forms for registering as a third country auditor in the UK can be accessed below, along with guidance on selecting the correct form.

Which form should I use?

  • If your firm is located in an Equivalent or Transitional jurisdiction, use Form A.

  • If your firm is not located in an Equivalent or Transitional jurisdiction, use Form B (Full Registration).

All Application forms are available together with accompanying Guidance.

Frequently Asked Questions

For all Frequently Asked Questions relating to both Form A and Form B, as well as guidance on fees, please refer to our FAQ page:

Form A - Equivalent jurisdictions

If your firm is located in one of the following countries you should apply using Form A:

  • Abu Dhabi
  • Australia
  • Austria
  • Belgium
  • Brazil
  • Bulgaria
  • Canada
  • China
  • Croatia
  • Cyprus
  • Czech Republic
  • Denmark
  • Dubai International Financial Centre
  • Estonia
  • Finland
  • France
  • Germany
  • Gibraltar
  • Greece
  • Guernsey
  • Hungary
  • Iceland
  • Indonesia
  • Ireland
  • Isle of Man
  • Italy
  • Japan
  • Jersey
  • Latvia
  • Liechtenstein
  • Lithuania
  • Luxembourg
  • Malaysia
  • Malta
  • Mauritius
  • Netherlands
  • New Zealand
  • Norway
  • Poland
  • Portugal
  • Romania
  • Singapore
  • Slovakia
  • Slovenia
  • South Africa
  • South Korea
  • Spain
  • Sweden
  • Switzerland
  • Taiwan
  • Thailand
  • Türkiye
  • USA
Application Form A
Name Form A
Publication date 24 February 2026
Format DOCX, 700.9 KB

Form A - Transitional jurisdictions

No jurisdictions currently hold Transitional status.

Form B - Full Registration jurisdictions

If your firm is not located in any of the above jurisdictions, you should use Form B.

Application Form B
Name Form B
Publication date 24 February 2026
Format DOCX, 768.5 KB
Name Guidance Note TCA1 - Fitness to conduct audits of UK-traded non-UK companies
Publication date 24 February 2026
Type Guidance
Format DOCX, 718.4 KB