Agent Dedicated Line: Self Assessment or PAYE for individuals

Contact HMRC about Self Assessment or PAYE if you’re authorised to act as an agent or tax adviser for your client.

Online

If you’ve already contacted HMRC, find out when you should receive a reply

You can also check HMRC’s current performance and service levels to check current processing times and service levels for post and online requests.

Ask HMRC online
Ask HMRC’s digital assistant to find information about your client’s Self Assessment and PAYE needs.

If the digital assistant cannot help you, you can ask to transfer to an HMRC adviser if they’re available.

Self Assessment for Agents online service

Use the Self Assessment for Agents online service
Find out how to use this online service to:

  • view your Self Assessment client’s PAYE coding notice
  • view your client’s Self Assessment statements
  • view the tax liabilities and the payments a client has made
  • make claims to reduce your client’s payments on account
  • submit your client’s tax returns online
  • view and change your client’s contact details online
  • download your full client list

PAYE for Agents online service

Use the PAYE for Agents online service
Find out how to use this online service to manage most of your client’s responsibilities for:

  • employer PAYE
  • the Construction Industry Scheme
  • Employment Related Securities

Income Record Viewer for Agents online service

Get access to the Income Record Viewer for agents
Use the viewer to see your client’s:

  • PAYE information for the current year plus the 4 previous tax years
  • employment records, including time in employment, taxable benefits and any gap where no record is held by HMRC
  • income record
  • state and private pension information

Phone

Call HMRC about Self Assessment or PAYE if you’re formally authorised to act as an agent or tax adviser for your client.

Do not contact the helpline to:

Telephone: 0300 200 3311

Opening times: Monday to Friday, 8am to 6pm. Closed bank holidays.

Find out about call charges

Post

Write to HMRC if you’re formally authorised to act on behalf of your client.

You do not need to include a street name or PO box.

Couriers should use a different address.

HM Revenue and Customs
Pay As You Earn and Self Assessment
BX9 1AS
United Kingdom

Guidance

HMRC contacts

Updates to this page

Published 14 May 2025