Northern Ireland Corporate Tax Office

Phone

Call HMRC for tax guidance about investing in or expanding your business in Northern Ireland.
Phone the Income Tax helpline if you’re calling about your personal tax affairs.

Telephone:
03000 599 000 or 03000 599 001

Outside UK:
+44 3000 599 000 or +44 3000 599 001

Fax:
03000 511 215

Find out about call charges

Post

Write to HMRC for tax guidance about investing in or expanding your business in Northern Ireland.

HM Revenue and Customs - Northern Ireland Corporate Tax Office
Custom House Custom House Square
Belfast
BT1 3ET
United Kingdom