Corporation Tax: general enquiries
Online
Check the steps to take if you need to pay Corporation Tax.
Find out ways to pay your Corporation Tax bill. If you’re having problems paying due to coronavirus (COVID-19), contact our helpline.
Webchat
Speak to an adviser online about general Corporation Tax enquiries.
Phone
Call HMRC for help with general Corporation Tax enquiries.
You’ll need your 10 digit Unique Tax Reference (UTR) when you call.
Our advisers cannot give you this reference over the phone. You can get your UTR:
- from your agent
- on letters from HMRC
- online (sign in using Government Gateway)
You can also ask for a copy of your Corporation Tax UTR if you do not know it.
If you are a Large Business, please contact your Customer Relationship Manager direct.
Telephone:
0300 200 3410
Outside UK:
+44 151 268 0571
Opening times:
Our phone line opening hours are:
Monday to Friday: 8am to 6pm
Closed on Saturdays, Sundays and Bank Holidays.
You can also find out information in:
- the official HMRC app
- your personal tax account or business tax account using HMRC online services
Post
Write to HMRC for help with general Corporation Tax enquiries.
If you have a Unique Tax Reference include it in your letter and on the first page of any documents you send.
You do not need to include a street name, city name or PO box when writing to this address.
Couriers should use a different address.
Corporation Tax Services
HM Revenue and Customs
BX9 1AX
United Kingdom
If you’re replying to a letter you’ve received about your Corporation Tax, you should use the address on that letter.