
Speaking at the Business and Trade Select Committee in Westminster on January 16, former South Warnborough sub-postmaster Jo answered questions from MPs about the personal impact of the Post Office Horizon scandal, alongside former North East Hampshire MP Lord James Arbuthnot.
A Fight for Justice: How Jo Hamilton’s Case Sparked a Movement
Jo Hamilton’s story is one of resilience, injustice, and the power of community. As a Subpostmaster in a small village of just 600 people, she became one of the many victims of the Horizon IT scandal, wrongfully accused of financial discrepancies she never caused. Facing immense pressure, financial ruin, and a criminal conviction, Jo found herself in a battle for justice that would take years to unfold.
Yet, what sets her story apart is the unwavering support she received – not only from her local community but also from key figures who fought relentlessly for the truth. One of them was Lord James Arbuthnot, who first learned about the scandal through Jo, one of his constituents. Recognizing the gravity of the injustice, he became a tireless advocate, working at the highest levels to expose the truth. Over 15 years, Arbuthnot played a crucial role alongside Nick Wallis and Alan Bates, fighting not just for Jo but for all the Subpostmasters who suffered at the hands of the Post Office.
This page explores Jo Hamilton’s journey, the people who fought for her, and the broader impact of the scandal. From the role of the village vicar to the powerful voices in media and podcasts that amplified her story, Jo’s case remains a key example of how ordinary people and high-profile allies refused to be silenced in the face of institutional wrongdoing.
Jo Hamilton: Gemeenschapssteun in het Post Office-schandaal
Een Strijd voor Gerechtigheid: Hoe de Zaak van Jo Hamilton een Beweging Ontketende
Het verhaal van Jo Hamilton is er een van veerkracht, onrecht en de kracht van gemeenschap. Als Subpostmaster in een klein dorp van slechts 600 inwoners werd zij een van de vele slachtoffers van het Horizon IT-schandaal, onterecht beschuldigd van financiële tekorten die zij nooit had veroorzaakt. Onder enorme druk, met financiële ondergang en een strafblad als gevolg, raakte Jo verwikkeld in een jarenlange strijd om gerechtigheid.
Wat haar verhaal bijzonder maakt, is de onwankelbare steun die zij kreeg—niet alleen van haar dorpsgenoten, maar ook van invloedrijke figuren die zich onvermoeibaar inzetten om de waarheid aan het licht te brengen. Een van hen was Lord James Arbuthnot, die voor het eerst met het schandaal in aanraking kwam via Jo, een van zijn kiezers. Toen hij de ernst van de situatie inzag, werd hij een niet-aflatende pleitbezorger, die op het hoogste niveau streed voor gerechtigheid. Gedurende 15 jaar speelde Arbuthnot een cruciale rol, samen met Nick Wallis en Alan Bates, in de strijd tegen het onrecht van de Post Office—niet alleen voor Jo, maar voor alle getroffen Subpostmasters.
Op deze pagina verkennen we het verhaal van Jo Hamilton, de mensen die voor haar vochten en de bredere impact van het schandaal. Van de rol van de dorpsdominee tot de krachtige stemmen in de media en podcasts die haar zaak onder de aandacht brachten—Jo’s ervaring blijft een treffend voorbeeld van hoe gewone burgers en invloedrijke bondgenoten weigerden te zwijgen tegenover institutioneel onrecht.
1 Jo Hamilton
Jo Hamilton is a notable figure in the Post Office Horizon scandal, which has been described as one of the largest miscarriages of justice in the UK. Hamilton, a former Subpostmistress from South Warnborough, Hampshire, was wrongfully accused of stealing £36,000 due to faults in the Horizon IT system used by the Post Office. The system’s errors led to false accounting and theft charges against hundreds of sub-postmasters and Subpostmistresses, including Hamilton.
Despite her innocence, Hamilton felt coerced into pleading guilty to false accounting in 2008 to avoid prison. This plea was influenced by the immense pressure and lack of support she faced, including the threat of a more severe charge of theft. To cover the alleged shortfalls, she had to remortgage her home, borrow money from friends and family, and endure severe financial hardship. The local community even held a whip-round to help her pay the demanded amounts (Haslemere Herald) (Woman and Home Magazine).
Hamilton’s conviction was eventually quashed in 2021 after it was revealed that the Horizon system was indeed flawed, exonerating her and many others. Since then, she has been a vocal advocate for justice and compensation for all affected sub-postmasters. Hamilton’s fight continues, as many victims have yet to receive adequate compensation or acknowledgment of the full extent of their suffering (Haslemere Herald) (Woman and Home Magazine).
Hamilton’s story was prominently featured in the ITV drama “Mr. Bates vs The Post Office,” which brought wider public attention to the scandal. She remains actively involved in efforts to secure full compensation for the victims and to highlight the ongoing impact of the scandal on their lives (Woman and Home Magazine).
2 Lord James Arbuthnot
Lord James Arbuthnot, the former MP for North East Hampshire, played a crucial role in advocating for justice in the Post Office Horizon scandal, particularly in supporting his constituent, Jo Hamilton. Hamilton, a Subpostmistress falsely accused of theft due to flaws in the Horizon IT system, sought Arbuthnot’s help in 2009. Recognizing the gravity of the situation, Arbuthnot raised her case and those of others with then-Business Secretary Peter Mandelson, highlighting the severe financial and personal hardships they faced due to the erroneous accusations.
Arbuthnot persistently pressed the government and the Post Office for accountability. Despite initial government dismissals, which claimed no responsibility and assured that the Horizon system had been thoroughly investigated, Arbuthnot continued to push for a thorough review. His efforts were instrumental in bringing wider attention to the scandal and in the eventual overturning of wrongful convictions, including Hamilton’s (Hansard Society) (Evening Standard).
In the years following, Arbuthnot remained a key figure in the campaign for justice. He served on the Horizon Compensation Advisory Board, working to ensure that affected Subpostmasters received proper compensation and that the full extent of the miscarriage of justice was acknowledged and addressed (Evening Standard).
3 The small village of only 600 inhabitants
The small village of South Warnborough played a significant role in supporting Jo Hamilton during her ordeal with the Post Office Horizon scandal. When Hamilton, the local Subpostmistress, was wrongfully accused of theft due to the faulty Horizon IT system, the village community rallied around her, demonstrating remarkable solidarity and support.
Hamilton faced immense financial pressure, having to remortgage her house and borrow money to cover the alleged shortfalls caused by the IT system errors. The villagers, understanding her innocence and the unfairness of her situation, organized a whip-round to help her pay the demanded amounts (Haslemere Herald) (Woman and Home Magazine). This act of community support was crucial in providing Hamilton with some financial relief and moral support during her challenging times.
Additionally, the local community’s backing was not just financial but also emotional. The villagers’ belief in Hamilton’s integrity and their collective efforts to support her underscored the strong community bonds in South Warnborough. Their support was a testament to the close-knit nature of the village and their willingness to stand by one of their own in the face of injustice (Woman and Home Magazine).
4 The vicar
During Jo Hamilton’s court appearance related to the Post Office Horizon scandal, her local vicar played a significant role by providing moral support and even speaking on her behalf. The vicar’s involvement was an important element of the community’s solidarity with Hamilton. On the day of the court proceedings, the vicar accompanied Hamilton to court and delivered a heartfelt speech before the judge. This speech emphasized Hamilton’s integrity, the unjust nature of the accusations against her, and the strong support she had from her local community in South Warnborough.
The vicar’s speech and presence underscored the collective belief in Hamilton’s innocence and highlighted the communal bonds that helped sustain her through her legal ordeal. This act of support was a testament to the strength and unity of the small village, reflecting their unwavering belief in Hamilton’s character despite the severe accusations she faced (Yahoo News UK) (The Mirror)
5 The podcasts
The UK’s “Post Office Scandal” – Jo Hamilton
18 okt 2023
For the past twenty years, the UK has been grappling with the aftermath of the notorious “Post Office scandal,” which has affected countless innocent individuals. In 2000, the Horizon IT system was introduced to modernise the Post Office network, but its rollout led to a barrage of wrongful convictions for fraud, theft, and false accounting. Despite technological advancements in digital payments and optimised accounting, the system frequently flagged accounting discrepancies due to bugs and errors, resulting in harsh punitive measures taken against subpostmasters and staff. Consequently, thousands of innocent people lost their jobs, homes, and freedom.
The Post Office and its lawyers attempted to cover up the scandal by withholding crucial information about Horizon in court cases, leaving many of the victims without justice or compensation.
YouTube video and social media content created by the Scribul marketing agency: https://www.scribul.com
Timecodes
00:00 – Intro
02:27 – Life before the post office scandal
06:04 – When did you take over the post office
06:33 – What was Horizon designed to do
07:16 – What were you accused of
09:57 – How did you end up owing £36,000
15:29 – How did you cover the deficit
17:52 – Why didn’t she tell her family
19:09 – The hidden truth
20:08 – Facing criminal proceedings
24:06 – Getting prosecuted
27:12 – Pleading guilty of false accounting
29:41 – Multiple victims & village support
33:35 – Creating a victims group
36:53 – Life after being prosecuted
40:27 – Finding out that Horizon was the issue
43:04 – How was your conviction overturned
47:09 – Other people being convicted
50:52 – Dealing with being wrongfully accused
53:50 – Do you accuse anybody
57:15 – Outro18 okt 2023
Why would you do that (in the part Dealing with being wrongfully accused)
Former Sub-postmistress Jo Hamilton: Giving Evidence Against The Post Office | Good Morning Britain
16 jan 2024
Today bosses from the Post Office and Fujitsu will face questions about what they knew about the Horizon IT scandal. Giving evidence in front of MPs today is Former Sub-postmistress Jo Hamilton.
Jo endured a tragic story amid the Horizon Post Office scandal which led to her remortgaging her house twice & accumulating significant debt. In 2009, she met Alan Bates, and together, they fought for justice.
GMB is also joined by journalist Rebecca Thomson who reported on the Horizon Post Office scandal in 2009.
Broadcast on 16/01/24
Jo Hamilton (Former Post Office Sub-Postmistress) Interviewed Live On BBC Breakfast [11.01.2024]
Mr Bates Vs the Post Office: Star Monica Dolan & the Real-Life Jo Hamilton Tell All | This Morning
9 jan 2024
It’s the scandal still dominating the headlines after the new ITV Drama ‘Mr. Bates vs the Post Office’ has shone a light on the terrible miscarriage of justice in which dozens of innocent sub-postmasters were wrongfully convicted and lost everything. Today, we’re joined by one of the real people whose shocking story was told in the drama – Jo Hamilton, alongside the star who played her Monica Dolan.
Broadcast on 09/01/2024
EX-Post Office Boss Paula Vennells Faces the Horizon IT Inquiry
Back to menu Important content
22 mei 2024
Ex-Post Office boss Paula Vennells will appear at the Post Office Inquiry today. Last month the inquiry heard how Vennells ignored calls from the organisation’s top management team to halt sub-postmaster prosecutions.
Former postmistress Jo Hamilton will be attending the inquiry, speaking on Paula Vennells’ appearance at the inquiry, Jo said: ‘If there are going to be criminal charges put to her, she may as well tell the truth but I don’t think she will when you have a CEO cloak on you can be as brave as you like, but without that, I don’t see her being brave and truthful at all.’
Broadcast on 22/05/24
At minute 10: incompetence
Jo Hamilton ‘Continues to Fight’ as Post Office Scandal Inquiry Resumes
Back to menu IMPORTANT CONTENT Listening recommended Must ***
9 apr 2024
Justice campaigner and former Sub-postmaster Alan Bates takes the stand for the penultimate phase of the Horizon IT inquiry. Hundreds of sub-postmasters had their lives ruined by allegations of theft and false accounts by the Post Office, including Jo Hamilton, who was also depicted in the ITV drama ‘Mr Bates Vs The Post Office’
Jo joins us today to update us on her fight for justice and compensation, and reveals that she has reached the end of her ‘financial journey’ after settling in January. She says Alan Bates will ‘get a chance to actually tell some things that he hasn’t been able to before’ when he speaks in the public inquiry for the first time today.
Broadcast on 09/04/24
Educational
6 A Parliamentary inquiry
Once the scale of the injustice became undeniable, a Parliamentary inquiry was inevitable – just like in the infected blood scandal, the Grenfell Tower fire, and in France, the Saint-Omer case with Judge Fabrice. These inquiries aren’t just procedural responses; they are wake-up calls that signal something has gone terribly wrong at an institutional level.
The mere fact that Parliament has to step in shows how deep the failure runs. It means the usual systems of justice and oversight have already failed, sometimes for decades, and only public pressure and undeniable evidence force those in power to confront the truth. The Post Office scandal is a textbook example of this: an institution that refused to listen until the weight of evidence – and public outrage – left them no other choice.
When you step back and look at the full picture – the overwhelming support Jo Hamilton had from her community, the vicar’s role, the 74 people who stood by her in court – it becomes even more surreal that she was ever convicted in the first place. The sheer weight of the injustice is staggering.
And then there’s the trick of false accounting – a charge that should never have applied to Jo or any other Subpostmaster, yet was used systematically to force confessions and criminalize the innocent. Seeing the depth of this case through the inquiry, with Mr. Henry’s sharp questioning and the undeniable evidence of institutional failure, makes it even clearer how absurd and unjust it all was.
It’s almost as if the more you examine the details, the stranger it becomes. The Post Office’s actions weren’t just wrong – they were completely detached from reality, ignoring truth, evidence, and humanity.
One of the most shocking moments of the inquiry – the outstanding grilling of Gareth Jenkins by Ms. Page for a full hour, with Seema Misra and her husband present. Knowing that Jenkins played a direct role in sending Seema to prison makes that moment even more intense.
The fact that people inside the Post Office congratulated each other when Seema was convicted and imprisoned is chilling. It reveals not just negligence, but a deeply ingrained culture of cruelty and self-preservation at the expense of innocent lives. Seema, a pregnant woman at the time, should never have been prosecuted – yet the Post Office was so determined to uphold the illusion of Horizon’s reliability that they saw her suffering as a victory.
Jenkins’ role is inexcusable. He knew the system had faults. He knew there were bugs. Yet, instead of stopping wrongful convictions, he became part of the machine that destroyed lives. Ms. Page’s questioning made it painfully clear: he was not just a passive witness; he was an active participant in a monstrous injustice.
Lee Castleton’s case is one of the most brutal examples of the Post Office’s commercial madness—a deliberate show of power designed to crush anyone who dared to challenge them. He actually won his case initially, proving that the Horizon system was flawed. But instead of accepting this, the Post Office went to appeal, spending a staggering £300,000 to ensure his defeat.
Because Lee couldn’t afford legal representation in the appeal, he lost—and was then ordered to pay the Post Office’s court costs. It was financial and psychological destruction by design.
Even worse was the internal attitude toward him. In an email, he was mocked as a “nasty chap”, and symbolically, he was “hanged” in the execution spot in London—a chilling metaphor that speaks volumes about how the Post Office viewed those it targeted. It wasn’t just about money. It was about making an example of him, warning others not to fight back.
Lee’s story, like so many others, shows the Post Office scandal was not just a legal failure—it was a ruthless, calculated campaign to silence the innocent.
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