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AwardedFind a Tender · award

Financial Audit Services

Buyer: NATIONAL ENERGY SYSTEM OPERATOR LIMITED →

BuyerNATIONAL ENERGY SYSTEM OPERATOR LIMITED
StatusAwarded
DeadlineNot published
ValueValue not published
Published22 May 2026

What is being bought

Financial Audit Services - annual audit services

Lot details

Lot 1

No lot description published.

Statuscomplete

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 rationalePlease see notices; Notice identifier: 2025/S 000-050242 Procurement identifier (OCID): ocds-h6vhtk-058b79
Rationale classificationssingleSuppliersTechnicalReasons
Special regimeutilities
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.

Awards

Contracts

1

Statusactive
Value£1,850,000

Documents & submission route

  • Not published

Source data inventory

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

OCIDocds-h6vhtk-058b79
Latest release ID048247-2026
Latest release timestampFri May 22 2026 15:40:57 GMT+0000 (Coordinated Universal Time)
Sourcefind-a-tender
Official notice URLNot published
Tender statuscomplete
Procurement methoddirect
Procurement method detailsDirect award
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 source1
Tender items in source0
Tender documents in source1
Awards in latest release1
Contracts in latest release1
Parties in latest release2

Notice history

DateEventReference
22 May 2026award, contract048247-2026
20 Aug 2025award, contract050277-2025
20 Aug 2025award, contract050242-2025

All source data

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

Complete current OCDS release JSON
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      "dateSigned": "2025-09-22T00:00:00+01:00",
      "statusDetails": null,
      "aboveThreshold": true,
      "noAgreedMetricsRationale": "Does not meet the requirements."
    }
  ],
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}
Complete JSON history (3 releases)
22 May 2026 · 048247-2026 · award, contract
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20 Aug 2025 · 050277-2025 · award, contract
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    "description": "Financial Audit Services\no Provide reasonable assurance over NESO's financial records in accordance with applicable accounting standards (IFRS ).\no Verify that financial statements are free from material misstatements due to fraud, error, or irregularities.\no Evaluate internal financial controls, focusing on risks associated with financial misreporting, operational inefficiencies, or compliance failures.\no Provide an audit opinion on the true and fair representation of NESO's financial position, performance, and cash flow.\no Conduct testing of key accounts to provide reasonable assurance over the financial assertions.\no Update NESO leadership and Audit & Risk Committee (ARC) regarding relevant changes in legislation and regulation.\no Report on external audit progress to NESO leadership, including attendance at bi-monthly ARC meetings and other board or committee meetings as required.\no Provide guidance to NESO leadership in particular the Chief Financial Officer (CFO), chair of ARC, director of financial control, and the accounting & reporting lead on accounting and financial matters.\no Liaise and coordinate with the CFO, director of financial control and accounting & reporting lead via a monthly progress meeting to ensure full exchange of information.\no Produce an annual SOC1 report evaluating the effectiveness of NESO financial controls in relation to transmission revenue charging, for external distribution to UK transmission owners, including National Grid Electricity Transmission (NGET).",
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      "address": {
        "region": "UKI32",
        "country": "GB",
        "locality": "London",
        "postalCode": "W1U 7EU",
        "countryName": "United Kingdom",
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      },
      "details": {
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20 Aug 2025 · 050242-2025 · award, contract
{
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  ],
  "date": "2025-08-20T15:04:44+01:00",
  "ocid": "ocds-h6vhtk-058b79",
  "buyer": {
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    "name": "NATIONAL ENERGY SYSTEM OPERATOR LIMITED"
  },
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              "countryName": "United Kingdom"
            },
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            },
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          ]
        }
      ],
      "value": {
        "currency": "GBP",
        "amountGross": 1900000
      },
      "status": "pending",
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          "id": "050242-2025",
          "url": "https://www.find-tender.service.gov.uk/Notice/050242-2025",
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          "description": "Transparency notice on Find a Tender",
          "documentType": "awardNotice",
          "datePublished": "2025-08-20T15:04:44+01:00"
        }
      ],
      "suppliers": [
        {
          "id": "GB-COH-OC305127",
          "name": "BDO LLP"
        }
      ],
      "milestones": [
        {
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      "contractPeriod": {
        "endDate": "2030-09-01T23:59:59+01:00",
        "startDate": "2025-09-02T00:00:00+01:00"
      },
      "mainProcurementCategory": "services"
    }
  ],
  "tender": {
    "id": "ocds-h6vhtk-058b79",
    "lots": [
      {
        "id": "1",
        "status": "complete",
        "suitability": {
          "sme": true,
          "vcse": true
        }
      }
    ],
    "title": "Financial Audit Services",
    "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": "Financial Audit Services to be provided to National Energy System  Operator Limited",
    "specialRegime": [
      "utilities"
    ],
    "procurementMethod": "direct",
    "procurementMethodDetails": "Direct award",
    "procurementMethodRationale": "NOTE: \"technical reasons\" used to enable the publication of this notice on Find a Tender. Please see below for a description of the circumstances surrounding the award of this contract. \nNESO Published a PIN notice on the 11th of November (under Procurement identifier (OCID): ocds-h6vhtk-04b588) pursuant to the Utilities Contracts Regulations 2016 (UCR) \nFurther to the Cabinet Office guidance on the transitional arrangements, NESO accepts that its use of a PIN as a call for competition was incorrect and that the opportunity should have been advertised using a UCR compliant contract notice. The award of this contract is therefore governed by the Procurement Act 2023. Other than this technical error, NESO is satisfied that it complied with the general procurement principles of equal treatment, transparency and proportionality and that the procurement process was successful in identifying the most advantageous tender \nThe process has now concluded and NESO will be making a direct award to the supplier that submitted the most advantageous tender . NESO will publish a Contract Award Notice in due course.",
    "procurementMethodRationaleClassifications": [
      {
        "id": "singleSuppliersTechnicalReasons"
      }
    ]
  },
  "parties": [
    {
      "id": "GB-COH-11014226",
      "name": "NATIONAL ENERGY SYSTEM OPERATOR LIMITED",
      "roles": [
        "buyer"
      ],
      "address": {
        "region": "UKJ11",
        "country": "GB",
        "locality": "Wokingham",
        "postalCode": "RG41 5BN",
        "countryName": "United Kingdom",
        "streetAddress": "St Catherine's Lodge Bearwood Road"
      },
      "details": {
        "classifications": [
          {
            "id": "publicUndertaking",
            "scheme": "UK_CA_TYPE",
            "description": "Public undertaking"
          }
        ]
      },
      "identifier": {
        "id": "11014226",
        "scheme": "GB-COH"
      },
      "contactPoint": {
        "email": "nesoprocurement@neso.energy"
      },
      "additionalIdentifiers": [
        {
          "id": "PHQL-5234-MWWV",
          "scheme": "GB-PPON"
        }
      ]
    },
    {
      "id": "GB-COH-OC305127",
      "name": "BDO LLP",
      "roles": [
        "supplier"
      ],
      "address": {
        "region": "UKI32",
        "country": "GB",
        "locality": "London",
        "postalCode": "W1U 7EU",
        "countryName": "United Kingdom",
        "streetAddress": "55 Baker Street"
      },
      "details": {
        "url": "https://www.bdo.co.uk",
        "vcse": false,
        "scale": "large"
      },
      "identifier": {
        "id": "OC305127",
        "scheme": "GB-COH"
      },
      "contactPoint": {
        "email": "publicsectorsales@bdo.co.uk"
      },
      "additionalIdentifiers": [
        {
          "id": "PMQV-8736-WMJD",
          "scheme": "GB-PPON"
        }
      ]
    }
  ],
  "language": "en",
  "initiationType": "tender"
}