Speak to an adviser online about general Corporation Tax enquiries.
You’ll need your 10 digit Unique Tax Reference (UTR) that will be on all letters from HMRC and online services.
Our advisers cannot give you this reference in webchat.
You can ask for a copy of your Corporation Tax UTR if you do not know it.
If you are a large business, contact your Customer Relationship Manager.
Phone
Call HMRC for help with general Corporation Tax enquiries.
You’ll need your 10 digit Unique Tax Reference (UTR) that will be on all letters from HMRC and online services.
Our advisers cannot give you this reference over the phone.
You can ask for a copy of your Corporation Tax UTR if you do not know it.
If you are a large business, contact your Customer Relationship Manager.
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 weekends and bank holidays.