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completeFind a Tender · contract Amendment

Back Office Application Support and Modernisation

Buyer: Post Office Limited →

BuyerPost Office Limited
Statuscomplete
DeadlineNot published
ValueValue not published
Published13 Aug 2026

What is being bought

The source has not published a summary for this record.

Comparable-procurement analytics

No usable CPV category has been published, so a comparable market set cannot yet be built.

Procurement strategy & market signals

Framework agreementNot published
Dynamic purchasing systemNot published
Competitive procurementNot published
Recurring requirementNot published
Procurement method rationaleNot published
Rationale classificationsNot published
Special regimeNot published
Covered byNot published
Submission policyNot published
Selection criteriaNot published
Risk detailsNot published

Planning & early market engagement

BudgetNot published
No-engagement rationaleNot published
Planning documents0
Planning milestones0

No planning milestones published.

Related procurements

No linked framework, prior procurement or reprocurement published.

Contracts

1

Value£54,000,000

Documents & submission route

  • Not published

Source data inventory

Diagnostic view. “Not published” means this current release does not provide a value.

OCIDocds-h6vhtk-0655a0
Latest release ID077054-2026
Latest release timestampThu Aug 13 2026 08:46:15 GMT+0000 (Coordinated Universal Time)
Sourcefind-a-tender
Official notice URLNot published
Tender statusNot published
Procurement methodNot published
Procurement method detailsNot published
Main procurement categoryNot published
Above thresholdNot published
Legal basis2023/54
Tender period: startNot published
Tender period: endNot published
Expression of interest deadlineNot published
Enquiry deadlineNot published
Award period: startNot published
Award period: endNot published
Submission method detailsNot published
Submission languagesNot published
Electronic catalogue policyNot published
Total tender valueNot published
Tender lots in source0
Tender items in source0
Tender documents in source1
Awards in latest release0
Contracts in latest release1
Parties in latest release1

Notice history

DateEventReference
13 Aug 2026contractAmendment077054-2026
30 Apr 2026award, contract040050-2026
18 Feb 2026award, contract014581-2026
17 Feb 2026award, contract014136-2026

All source data

Unmodified official OCDS data retained by Tenderline for this procurement process.

Complete current OCDS release JSON
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  "tag": [
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  "date": "2026-08-13T09:46:15+01:00",
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  },
  "tender": {
    "id": "C103850",
    "title": "Back Office Application Support and Modernisation",
    "documents": [
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          "documentType": "contractSigned"
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        {
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      ],
      "amendments": [
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          "id": "077054-2026",
          "date": "2026-04-01T00:00:00+01:00",
          "rationale": "This notice does not describe a modification of the contract. Instead  this notice is being used as an addendum to contract detail notice. \nThis notice has a copy of the redacted contract included, which is a requirement of the Procurement Act. Find a Tender service currently doesn't have the functionality to edit the notices to attach the contract to the UK7 that this notice is linked to.",
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Complete JSON history (4 releases)
13 Aug 2026 · 077054-2026 · contractAmendment
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          "rationaleClassifications": [
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30 Apr 2026 · 040050-2026 · award, contract
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    "description": "The Back Office IT services contract covers the end-to-end hosting, operation and maintenance of Post Office Limited (POL) core applications and platforms (excluding the Horizon System and Services). This includes business-critical systems supporting finance and ERP, human resources, master and reference data, management information and reporting, integration services, and process automation. These workloads are primarily delivered from the cloud and include a mix of applications, data, integration, and platform services that collectively underpin POL's day-to-day operations.\nThe service encompasses responsibility for the secure, resilient, and performant operation of the estate throughout the contract term. This includes the ongoing support of live production services, maintenance of legacy systems where required, operational monitoring, incident resolution, change and release activity, and business continuity arrangements. The service is designed to allow the Post Office to consume these capabilities as a managed outcome, without the need to directly operate or support the underlying applications or infrastructure.\nAlongside steady-state operations, the service includes working in partnership with Post Office to support continuous improvement and technology evolution. This includes platform optimisation, automation, and prepare and conduct application modernisation, migration or decommissioning as POL's business and technology landscape evolves, while ensuring services remain secure, compliant, and fit for purpose.",
    "procurementMethod": "direct",
    "procurementMethodDetails": "Direct award",
    "procurementMethodRationale": "Post Office Ltd intends to directly award this contract under Section 41 of the Procurement Act 2023, relying on Schedule 5 (Direct award justifications) paragraphs 5 and 6 \"Single suppliers\" grounds because:\n1. Only Accenture holds the necessary intellectual property rights for certain proprietary tooling, security operations and bespoke services support wrap that are essential to the safe operation of the current Services . Only Accenture can provide these elements of the Services during the term of the directly awarded contract; and\n2. Accenture is the only supplier capable of delivering the Services during the period of the directly awarded contract. No other supplier has the requisite know-how and technical understanding of the bespoke system to support the existing Services during the term of the directly awarded contract. The tooling and support services are deeply embedded into the current operational model, including monitoring, alerting, automation, patching workflows, incident response etc. These services and tools are not currently documented, modularised or abstracted in a way that would allow straightforward transfer to an alternative supplier. Transitioning away from these services and tools would require parallel design, implementation, validation and handover activity, which is non-trivial and could not be safely achieved during the term of the directly awarded contract. Only Accenture could do this work while safely continuing to provide the Services to enable another supplier to take over the system.\nThe direct award is both necessary and proportionate, and limited to the period required for Post Office Ltd to prepare and conduct a competitive procurement for future service transformation. POL requires a supplier to provide the Services while conducting preparatory transformation design work. The Services include a complex mix of infrastructure as a service and platform as a service, components, integrations with Horizon (Post Office's electronic point of sale (EPOS) system) and numerous third party and internal systems, and tightly coupled identity, networking, security, logging, and monitoring dependencies embedded within Accenture's proprietary service wrap. There are no reasonable alternatives to the Services because no alternative provider could technically assume responsibility for the service wrap at this time without substantial redevelopment and high-risk of operational disruption. Initiating a change of provider during a period of significant business and operational change would therefore pose a substantive risk to service continuity and the stable delivery of core functions. The Services are critical to the ongoing operation of POL's business. POL cannot accept any gap in the continuity of the Services. Since only Accenture is capable of providing the Services during the period of the directly awarded contract, there is no reasonable alternative to the direct award.",
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      ],
      "dateSigned": "2026-04-01T00:00:00+01:00",
      "agreedMetrics": [
        {
          "id": "1",
          "title": "BOT01 - Incident response (for Severity Level 1 and 2 Incidents)",
          "observations": [
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18 Feb 2026 · 014581-2026 · award, contract
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    "procurementMethod": "direct",
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    {
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      "name": "Accenture (UK) Limited",
      "roles": [
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      "address": {
        "region": "UKI31",
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        "postalCode": "EC3M 3BD",
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        "streetAddress": "30 Fenchurch Street"
      },
      "details": {
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      },
      "identifier": {
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        "email": "PostOffice.CM@accenture.com"
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    }
  ],
  "language": "en",
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}
17 Feb 2026 · 014136-2026 · award, contract
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  "date": "2026-02-17T09:57:32Z",
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      ],
      "title": "Back Office Application Support and Modernisation",
      "value": {
        "amount": 45000000,
        "currency": "GBP",
        "amountGross": 54000000
      },
      "status": "pending",
      "documents": [
        {
          "id": "014136-2026",
          "url": "https://www.find-tender.service.gov.uk/Notice/014136-2026",
          "format": "text/html",
          "noticeType": "UK5",
          "description": "Transparency notice on Find a Tender",
          "documentType": "awardNotice",
          "datePublished": "2026-02-17T09:57:32Z"
        }
      ],
      "suppliers": [
        {
          "id": "GB-COH-04757301",
          "name": "ACCENTURE (UK) LIMITED"
        }
      ],
      "milestones": [
        {
          "id": "1",
          "type": "futureSignatureDate",
          "status": "scheduled",
          "dueDate": "2026-03-20T23:59:59Z"
        }
      ],
      "relatedLots": [
        "1"
      ],
      "aboveThreshold": true,
      "contractPeriod": {
        "endDate": "2029-06-30T23:59:59+01:00",
        "startDate": "2026-04-01T00:00:00+01:00"
      },
      "mainProcurementCategory": "services"
    }
  ],
  "tender": {
    "id": "ocds-h6vhtk-0655a0",
    "lots": [
      {
        "id": "1",
        "status": "complete"
      }
    ],
    "title": "Back Office Application Support and Modernisation",
    "status": "complete",
    "documents": [
      {
        "id": "conflictOfInterest",
        "description": "Not published",
        "documentType": "conflictOfInterest"
      }
    ],
    "legalBasis": {
      "id": "2023/54",
      "uri": "https://www.legislation.gov.uk/ukpga/2023/54/contents",
      "scheme": "UKPGA"
    },
    "description": "The Back Office IT services contract covers the end-to-end hosting,                      operation and maintenance of Post Office Limited (POL) core applications and platforms (excluding the Horizon System and Services). This includes business-critical systems supporting finance and ERP, human resources, master and reference data, management information and reporting, integration services, and process automation. These workloads are primarily delivered from the cloud and include a mix of applications, data, integration, and platform services that collectively underpin POL's day-to-day operations.\nThe service encompasses responsibility for the secure, resilient, and performant operation of the estate throughout the contract term. This includes the ongoing support of live production services, maintenance of legacy systems where required,  \noperational monitoring, incident resolution, change and release activity, and business continuity arrangements. The service is designed to allow the Post Office to consume these capabilities as a managed outcome, without the need to directly operate or support the underlying applications or infrastructure. \nAlongside steady-state operations, the service includes working in partnership with Post Office to support continuous improvement and technology evolution. This includes platform optimisation, automation, and prepare and conduct application modernisation, migration or decommissioning as POL's business and technology landscape evolves, while ensuring services remain secure, compliant, and fit for purpose.",
    "procurementMethod": "direct",
    "procurementMethodDetails": "Direct award",
    "procurementMethodRationale": "Post Office Ltd intends to directly award this contract under Section 41 of the Procurement Act 2023, relying on Schedule 5 (Direct award justifications) paragraphs 5  and 6 \"Single suppliers\" grounds because:\n1.\tonly Accenture holds the necessary intellectual property rights for certain proprietary tooling, security operations and bespoke services support wrap that are essential to the safe operation of the current Services . Only Accenture can provide these elements of the Services during the term of the directly awarded contract; and \n2.\tAccenture is the only supplier capable of delivering the Services during the period of the directly awarded contract. No other supplier has the requisite know-how and technical understanding of the bespoke system to support the existing Services during the term of the directly awarded contract. The tooling and support services are deeply embedded into the current operational model, including monitoring, alerting, automation, patching workflows, incident response etc. These services are tools not currently documented, modularised or abstracted in a way that would allow straightforward transfer to an alternative supplier. Transitioning away from these services and tools would require parallel design, implementation, validation and handover activity, which is non-trivial and could not be safely achieved during the term of the directly awarded contract. Only Accenture could do this work while safely continuing to provide the Services to enable another supplier to take over the system.\nThe direct award is both necessary and proportionate, and limited to the period required for Post Office Ltd to prepare and conduct a competitive procurement for future service transformation. POL requires a supplier to provide the Services while conducting preparatory transformation design work. The Services include a complex mix of infrastructure as a service and platform as a service, components, integrations with Horizon (Post Office's electronic point of sale (EPOS) system) and numerous third party and internal systems, and tightly coupled identity, networking, security, logging, and monitoring dependencies embedded within Accenture's proprietary service wrap. There are no reasonable alternatives to the Services because no alternative provider could technically assume responsibility for the service wrap at this time without substantial redevelopment and high-risk of operational disruption. Initiating a change of provider during a period of significant business and operational change would therefore pose a substantive risk to service continuity and the stable delivery of core functions. The Services are critical to the ongoing operation of POL's business. POL cannot accept any gap in the continuity of the Services. Since only Accenture is capable of providing the Services during the period of the directly awarded contract, there is no reasonable alternative to the direct award.",
    "procurementMethodRationaleClassifications": [
      {
        "id": "singleSuppliersIntellectualPropertyExclusiveRights"
      },
      {
        "id": "singleSuppliersTechnicalReasons"
      }
    ]
  },
  "parties": [
    {
      "id": "GB-COH-02154540",
      "name": "Post Office Limited",
      "roles": [
        "buyer"
      ],
      "address": {
        "region": "UKI31",
        "country": "GB",
        "locality": "London",
        "postalCode": "EC2V 7ER",
        "countryName": "United Kingdom",
        "streetAddress": "100 Wood Street"
      },
      "details": {
        "url": "https://corporate.postoffice.co.uk/",
        "classifications": [
          {
            "id": "publicUndertaking",
            "scheme": "UK_CA_TYPE",
            "description": "Public undertaking"
          }
        ]
      },
      "identifier": {
        "id": "02154540",
        "scheme": "GB-COH"
      },
      "contactPoint": {
        "email": "Procurement@postoffice.co.uk"
      },
      "additionalIdentifiers": [
        {
          "id": "PRNP-5883-YMLG",
          "scheme": "GB-PPON"
        }
      ]
    },
    {
      "id": "GB-COH-04757301",
      "name": "ACCENTURE (UK) LIMITED",
      "roles": [
        "supplier"
      ],
      "address": {
        "region": "UKI31",
        "country": "GB",
        "locality": "London",
        "postalCode": "EC3M 3BD",
        "countryName": "United Kingdom",
        "streetAddress": "Accenture (UK) Limited"
      },
      "details": {
        "vcse": false,
        "scale": "large"
      },
      "identifier": {
        "id": "04757301",
        "scheme": "GB-COH"
      },
      "contactPoint": {
        "email": "PostOffice.CM@accenture.com"
      }
    }
  ],
  "language": "en",
  "initiationType": "tender"
}