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How to contact the IAA

This page provides information on how to get in touch with the IAA.

To contact the IAA, first use our online portal to ask a query or to make a complaint.

The Customer Service Unit is also available by email at: info@immigrationadviceauthority.gov.uk. They will pass on your query to the correct part of the organisation.

For media enquiries only, please email: pressoffice@immigrationadviceauthority.gov.uk.

The IAA phone line is currently unavailable. We apologise for any inconvenience this may cause, and ask that you submit your query through our online portal

To send anything by post, please address to:

Immigration Advice Authority
PO Box 567
Dartford
DA1 9WX

Updates to this page

Published 7 February 2020
Last updated 8 September 2025 show all updates
  1. Contact details updated - phone line temporarily unavailable.

  2. New Press enquiry email address added.

  3. Includes details of the OISC online portal and the new hours for our Customer Service Unit.

  4. The PO Box address for the OISC has been added

  5. New contact process for the OISC

  6. Updated information on how to contact the OISC and how to make payments in conection with applications.

  7. Adviser Finder is back up again

  8. Updated info

  9. Information about the OISC during the National Emergency

  10. Update message re the register and adviser finder

  11. First published.