Public Inquiry

Post Office Horizon IT Inquiry

Status: Ongoing Chair: Sir Wyn Williams Established: Jun 2021 Commissioned by: Department for Business and Trade

Public inquiry into the Post Office Horizon IT scandal, examining how more than 900 sub-postmasters were wrongly prosecuted based on faulty Fujitsu software between 1999 and 2015.

Response breakdown

27 recommendations total
70%
22%
19 (70%)Accepted
6 (22%)Accepted in Part
1 (4%)Not Accepted
1 (4%)Under Review

Reports & milestones

Reports

Timeline

19 Feb 2020 Inquiry Establish… Initially non-statutory inquiry established. · Source
01 Sep 2020 Chair Appointed Sir Wyn Williams appointed as Chair.
01 Jun 2021 Converted to Stat… Inquiry converted to statutory public inquiry with power to compel witnesses.
14 Feb 2022 Hearings Begin Human impact hearings commenced.
15 May 2023 Phase 4 Hearings Phase 4 examining Fujitsu's role began.
08 Jan 2024 Phase 6 Hearings Phase 6 examining Post Office Ltd began.
13 May 2024 Phase 7 Hearings Phase 7 examining Government, UKGI and Royal Mail Group.
30 Jun 2025 Final Report Expe… Chair Sir Wyn Williams expected to publish final report. · Source

Recommendations

8 shown (filtered)
Clear
Code Recommendation Addressed to Response
POH-IR1-1
The Horizon Compensation Advisory Board should not be prevented from monitoring individual cases in which compensation has been or is to be …
Department for Business and Trade Accepted in Part View →
POH-IR1-2
The Horizon Compensation Advisory Board shall produce written reports in respect of each of their meetings in relation to each of the …
Department for Business and Trade Accepted View →
POH-IR1-3
It must be one of the core duties of the Horizon Compensation Advisory Board that it monitors whether compensation payments are full …
Department for Business and Trade Accepted in Part View →
POH-IR1-4
If the Horizon Compensation Advisory Board considers it necessary, the number of persons appointed to the Board should be increased so as …
Department for Business and Trade Accepted View →
POH-IR1-5
DBT shall take such steps as are necessary within 28 days of the publication of this report to seek appropriate directions under …
Department for Business and Trade Accepted View →
POH-IR1-6
DBT shall publish within 28 days of the publication of this report its proposals for ensuring that applicants to all schemes are …
Department for Business and Trade Accepted View →
POH-IR1-7
HM Government shall bring forward as soon as possible legislation amending section 11(3)(a) of the Limitation Act 1980 to allow payments of …
Department for Business and Trade Accepted in Part View →
POH-IR1-8
No applications for compensation to the Horizon Shortfall Scheme shall be entertained after such date as shall be agreed by the Minister, …
Department for Business and Trade Accepted in Part View →

Parliamentary activity

34 mentions since Jan 2022
2 debates 26 questions
11 Nov 2025 Written Question Post Office Horizon IT Inquiry
Dr Al Pinkerton (Liberal Democrat)
13 Oct 2025 Written Question Fujitsu: Contracts
John Milne (Liberal Democrat)
13 Oct 2025 Written Question Fujitsu: Contracts
John Milne (Liberal Democrat)
17 Jul 2025 Hansard Debate Post Office Horizon Inquiry: Volume 1
14 Jul 2025 Written Question Procurement: Standards
Baroness Ritchie of Downpatrick (Labour)
View all 34 mentions →

Costs

Total: £80,000,000
Period Total Inquiry legal CP legal Source
Mar 2026 (cum.) £80,000,000 £24,455,048 £15,904,255 link
Mar 2025 £26,017,032 £8,738,949 £5,202,243 link
Mar 2024 £26,770,510 £8,373,766 £6,150,587 link
Mar 2023 £18,491,383 £5,717,654 £3,905,857 link
Mar 2022 £3,087,287 £1,492,280 £645,569 link
Mar 2021 £360,345 £132,399 link