UK

Post Office Horizon

What happened

Hundreds of sub-postmasters were prosecuted over shortfalls shown by the Horizon IT system. The Court of Appeal quashed convictions in 2021, Parliament passed the Post Office (Horizon System) Offences Act 2024, and the statutory inquiry chaired by Sir Wyn Williams published Volume 1 of its final report on 8 July 2025.

Written from the official records below. Links checked 08 Nov 2026.

Official record

• Chair calls for swift action to deliver full and fair compensation in urgent report (Volume 1)
  Post Office Horizon IT Inquiry · published 08 Jul 2025
• Inquiry website — hearings, evidence and reports
  Post Office Horizon IT Inquiry
• Post Office (Horizon System) Offences Act 2024
  legislation.gov.uk · published 24 May 2024
• Hamilton & Ors v Post Office Ltd [2021] EWCA Crim 577
  Court of Appeal (BAILII) · published 23 Apr 2021

Main headlines

News — not an official source. Titles shown word for word.

• Post Office scandal had 'disastrous' impact on victims, report says
  BBC News · 08 Jul 2025

Videos on YouTube

Opens on YouTube. Broadcaster videos are news, not an official source.

• 
  Closing Statements - Day 200 PM - 17 December 2024 - Post Office Horizon IT Inquiry
  Post Office Horizon IT Inquiry · Official channel
• 
  Post Office Horizon Scandal - Computerphile
  Computerphile · News — not an official source