Contact us

Please see here for our Frequently Asked Questions.

If you need to contact the Inquiry please get in touch via the details below.

Telephone

Our phone line is open between 09:00 and 17:00, Monday to Friday. If you have a query outside of these times, please email us.

Telephone number: 020 7215 2555

If you would like us to call you back, please ask for a call back when the phone is answered or leave a voice message requesting a call back and leave your contact details. Alternatively, please send a message to the Secretariat inbox with “CALL BACK REQUEST” in the subject line. We aim to respond within 2 days.

Send an email

For general enquiries, contact us at posecretariat@postofficehorizoninquiry.org.uk.

Contact by post

Post Office Horizon IT Inquiry
5th Floor,
Aldwych House,
71-91 Aldwych,
London,
WC2B 4HN

The Secretariat aims to respond to email enquiries within 5 working days of receipt, and to postal correspondence within 14 working days.

Media enquiries

Journalists can contact us at newsdesk@postofficehorizoninquiry.org.uk. Or call 07876 006117.