Technical support with HMRC online services

Contact HMRC with technical problems when using HMRC systems, sending forms online, error messages and using HMRC free software and tools.

Online

You can recover or reset your sign in details if you’ve lost them. You’ll be told how to do this when you try to sign in.

Ask HMRC’s digital assistant to find information about technical support with HMRC online services.

If the digital assistant cannot help you, you can ask to be transferred to a webchat with an HMRC adviser, if they’re available.

Problems using HMRC online services

Use the ‘Get help’ or ‘Is there anything wrong with this page’ link on the page in the online service you’re using if you:

  • have received an error message in an online service
  • are having problems with verifying your identity, your log in details or receiving access codes

Phone

Call HMRC if you’re having technical problems with HMRC online services.

You can also call if you need extra support because your health condition, disability or personal circumstances make it difficult for you to use HMRC online services.

Do not use this helpline for:

You can use Relay UK if you cannot hear or speak on the phone, dial 18001 then 0300 200 3600. Find out more on the Relay UK website.

Before you call

This helpline may ask you some security questions. Make sure your personal details and address are up to date in your personal tax account or business tax account or you could fail telephone security. If you do not have an account, you can create one before you check your details.

Telephone: 0300 200 3600

Outside UK: +44 161 930 8445

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

Find out about call charges

Guidance

HMRC contacts

Updates to this page

Published 14 May 2025
Last updated 28 January 2026 show all updates
  1. To provide Self Assessment support on Saturday 31 January, our webchat will be open from 8am to 4pm and our phone helpline will be open from 9am to 4pm.

  2. Phone line opening times over Christmas and New Year have been added.

  3. First published.