Complain to the Adjudicator's Office
Use our form to complain against HMRC, the Valuation Office Agency, or the Adjudicator’s Office.
You can use this online form to contact the Adjudicator’s Office to:
- complain about HM Revenue and Customs (HMRC) or the Valuation Office Agency (VOA)
- complain about the Adjudicator’s Office service or a decision they have made
Before you start
Check if you can contact the Adjudicator’s Office to:
What you’ll need
You’ll need to sign in to complete the online form using either your:
- email address
- Government Gateway account, if you already have one
You’ll also need to:
- give your contact details, including your telephone number, postal address and email address
- explain why you’re contacting the Adjudicator’s Office
- suggest what you would like to happen next
If you’re representing someone else
You must also:
- give the postal address and email address of the person you’re acting for
- upload a scan or photo of a completed Authority to act form that the person you’re representing has signed
Notice: Update on Encrypted Emails
We use encrypted email to share information quickly and securely with our customers. It protects your personal data and allows us to communicate with you in the way you have chosen.
What this means for you
When you receive an encrypted email from us, it will come from ‘Enquiries and information (ADJ)’. Open the email and select ‘Read the message’ to access your secure message. If you are using a smartphone, press and hold the button and choose ‘Open Link’ to view it in your internet browser, which will make the process easier.
You will be asked to sign in either using a Google account or with a one‑time passcode. If you choose a passcode, this will be sent to your email address in a separate message - check your junk folder if you cannot find it. Enter the code on the secure page to open your message.
Once you have accessed your message, you can read it securely online. To reply, you must use the reply option within the secure portal, as replying directly from your email inbox will not work.
After selecting reply, type your response and press ‘Send’ to return your message securely.
Need help?
If you have questions, please contact us by post at Adjudicator’s Office, PO Box 11222, Nottingham, NG2 9AD or call 03000 571 111.
Complete the online form
What happens next
We will review your request and send you an email with a link to our reply.
If you cannot use the online form
If you are unable to use the online form, you can send your request by post.
Updates to this page
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Updated notice informing customers of our encrypted email process.
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Update on encrypted emails.
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Added information for our customers relating to a temporary fault with our encrypted email service.
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Reference to how to contact us about how the Home Office handled a compensation claim has been removed. The Adjudicator's Office no longer deal with this activity.
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A new version of the online form is now available.
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Added Welsh translation
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Removed notification that our online form is unavailable.
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Including a notice that our online contact service is temporarily unavailable.
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First published.