Welcome to the Post Office Horizon IT Inquiry website

This is an independent public statutory Inquiry established to gather a clear account of the implementation and failings of the Horizon IT system at the Post Office over its lifetime.

Public Hearings Timeline

Indicative timeline for phases of the Inquiry.

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Wellbeing and Support

Read about how you can receive support from the Inquiry if you are participating.

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Latest news from the Inquiry

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Statement of Chair regarding progress update and dates of future hearings

Sir Wyn Williams’s statement regarding progress update and dates of future hearings is published.

29 July 2022

Chair gives his final determination on BEIS’s application for restriction order

Sir Wyn Williams' final determination is published.

8 July 2022

Lawyers representing subpostmasters and Post Office Ltd respond to Chair’s preliminary decision to refuse BEIS restriction order application

Responses from core participants published.

6 July 2022