Complain about HMRC online services

Complain to HMRC about their digital and online services.

• From: HM Revenue & Customs
• Published: 14 May 2025
• Last updated: 6 February 2026 — See all updates

Online

If you have sign in details

Use one of the following online forms if you want to complain as:

• an individual
• a business
• an agent (you must have permission from your client if you’re complaining on their behalf)

If you do not have sign in details

Use one of the following online forms if you want to complain as:

• an individual
• a business
• an agent

HMRC will only email you with confidential information if you’ve given them your written agreement for them to do so.

Get help with HMRC online services

The best way to get help using HMRC online services is to either:

• select the ‘Get help with this page’ link, if it’s shown on the bottom of the page you need help with
• contact the online services helpdesk

Post

Write to this address to complain about HMRC’s online services.

HMRC Digital Services
Complaints Unit
S1755
Newcastle
NE98 1ZZ
United Kingdom

There is a different way to report tax fraud.

Related content

Guidance

• Complain about HMRC
  
• Complain about serious misconduct by HMRC staff

HMRC contacts

• Make a complaint about HMRC

Published 14 May 2025

Last updated 6 February 2026 + show all updates

1. 6 February 2026

   A link has been added to an online form to use to complain if you're an agent and have sign in details.

2. 14 May 2025

   First published.