Contact us

We have published a set of Frequently Asked Questions which you may find useful for many enquiries.

Email

If you can’t find the answer to your question on our website, please email us at posecretariat@postofficehorizoninquiry.org.uk.

Please note that we receive an extremely high volume of communication, so we are unable to respond to general queries or observations.

We regularly publish news about the Inquiry on our website. If you would like to sign up to receive regular email updates, please subscribe here.

Postal address

Post Office Horizon IT Inquiry

2nd Floor,
Aldwych House,
71-91 Aldwych,
London,
WC2B 4HN

Please be aware that we may not be able to respond to all postal correspondence due to the high volumes that we receive.

Media enquiries

Please find a dedicated page for media enquiries here.