If you use assistive technology (such as a screen reader) and need a
version of this document in a more accessible format, please email firstname.lastname@example.org.
Please tell us what format you need. It will help us if you say what assistive technology you use.
Research report on businesses which are not using an agent to file their returns, to help inform HMRC what types of targeted communications would be most appropriate and what level of support these businesses require.