Check when to contact HMRC’s Large Business Directorate
Find out how to contact HMRC if you're a large business.
When to contact us
If you have a query or a request that relates specifically to large business and you’re unable to resolve it online or through finding a HMRC contact, use the email address listed in this guide.
For general and non-technical queries
Use the appropriate regional email address for all general and non-technical queries.
You’ll need your 3-digit tax office code number to find the correct email address. You can find this number on all the correspondence from your Corporation Tax office.
London
Tax office codes 163 and 268.
contactus.largebusinesslondon@hmrc.gov.uk
Midlands
Tax office codes 054 and 572.
contactus.largebusinessmidlands@hmrc.gov.uk
Northeast
Tax office code 294.
contactus.largebusinessnortheast@hmrc.gov.uk
Northwest
Tax office code 005.
contactus.largebusinessnorthwest@hmrc.gov.uk
Scotland and Northern Ireland
Tax office codes 349, 834 and 854.
contactus.largebusinessscotlandandni@hmrc.gov.uk
South and Wales
Tax office code 660.
contactus.largebusinesssouthandwales@hmrc.gov.uk
For compliance queries
If your query relates to an ongoing compliance matter or your broader business relationship with HMRC, you should contact your designated customer compliance manager.
After you’ve contacted us
Check when you can expect a reply.
Updates to this page
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Information on when to contact the large business directorate has been updated.
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First published.