HM Revenue & Customs

Who do I contact if I have a question about ICS?

For business and technical questions, contact the Harwich ICS Helpdesk on Tel 01255 244 709 or send an email to ics.helpdesk@hmrc.gsi.gov.uk.

For questions about registration, enrolment, logging in to the system and reporting errors, you can contact the VAT Online Services Helpdesk on Tel 0300 200 3701.