Tax agents and advisers: detailed information
Find guidance, services, forms and manuals for tax agents and advisers. Including how to register as an agent and getting client authorisation.
Tax agent handbook
Information to help tax agents and advisers find guidance, use services and contact HMRC.
Registering as an agent
If you want to become a professional tax agent, there are some things you have to do and standards you should follow before you can start handling tax for your clients.
Getting client authorisation
Once you’ve registered as a tax agent, you must then get authorisation from your client so that you can transact for them.
Interacting with HMRC
Find out how to register your client for Self Assessment, Corporation Tax, PAYE, VAT or their trust or estate and how HMRC interacts.
Compliance checks
Find out about what happens during an HMRC compliance check and the help you can get with the process.
News and communications
Find news and updates about HMRC guidance if you’re a tax agent or adviser.
Appeals and penalties
Find out about the different types of HMRC penalties and how you can help your clients avoid them or appeal.
Forms, manuals and reference material
Find HMRC forms and technical guidance for HMRC staff and tax professionals in manual format.
Help and support
Learn more about the support available to tax agents and advisers to help you and your clients.
Updates to this page
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Included link to the new tax agents handbook format for feedback.
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First published.