Corporation Tax (UK) is a business tax levied on the profits of limited companies, foreign companies with UK branches, and certain organisations operating in the United Kingdom. Administered by HM Revenue & Customs (HMRC), this tax applies to trading income, investment profits, and capital gains, forming a key part of the UK’s revenue system. Corporation Tax rates and rules are set by the government and can vary based on company size, profit levels, and specific reliefs or allowances. As an essential component of the UK’s fiscal framework, Corporation Tax ensures that businesses contribute to public services and national economic stability.
In this article/post, we’ve provided contact details of Corporation Tax (UK), such as email address, phone number, postal address/mailing address, etc.
Phone Number
Call HMRC for help with general Corporation Tax enquiries. If you are a large business, contact your Customer Compliance Manager.
You’ll need your 10 digit Unique Taxpayer Reference (UTR) that will be on all letters from HMRC and HMRC online services. Their 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.
Telephone: 0300 200 3410
Outside UK: +44 151 268 0571
Opening times: Monday to Friday: 8am to 6pm. Closed bank holidays.
Phone lines are less busy between 8:30am and 11am.
Postal Address
Write to HMRC for help with general Corporation Tax enquiries. If you have a Unique Taxpayer Reference (UTR) 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
Source: Corporation Tax (UK)