If you are calling about your personal tax affairs, please contact HMRC by using the link below.
HMRC Contact Us for phone, email and postal contact details.
Email: David Stewart (Head of NIrCTO)
If you are calling about company tax, you can contact NIrCTO by phone on either:
Telephone: 03000 599 000
Telephone: 03000 599 001
If you are calling from outside the UK, you can contact NIrCTO on either:
Telephone:: + 44 3000 599 000
Telephone: + 44 3000 599 001
You can contact NIrCTO by fax on 03000 511215.
If you live outside the UK, you can contact NIrCTO by fax on + 44 3000 511215.
You can write to NIrCTO at the following address:
Northern Ireland Corporate Tax Office
Custom House Square