Tender

External Technical Advisory Support for Existing Nuclear Projects

DESNZ

This public procurement record has 1 release in its history.

Tender

06 Mar 2025 at 11:10

Tender Notice
Summary of the contracting process

DESNZ has initiated a procurement process for "External Technical Advisory Support for Existing Nuclear Projects," specifically related to the long-term operation of Sizewell B. This tender falls under the industry category of Technical Support Services (CPV code 71356300) and includes advisory services on project delivery and due diligence. This opportunity is available globally, including in the United Kingdom, British Oversea Territories, Channel Islands, Europe, Isle of Man, and the Rest of the World. The procurement is in the Tender stage, with the tender period ending on 3rd April 2025. The contract will commence on 2nd June 2025 and conclude on 1st June 2026. This is a mini-competition from CCS Framework RM6187 Lot 8 under the Public Contracts Regulations 2015, and suppliers have been invited to participate via the DESNZ Jaggaer portal.

This tender offers significant opportunities for businesses specialising in technical support services, particularly those experienced in the energy sector and nuclear projects. Companies of all sizes, including SMEs and VCSEs, are encouraged to compete, as the procurement process supports business growth by engaging a broad range of suppliers. Firms with expertise in providing strategic, technical advice and project management support will find this tender particularly beneficial, enabling them to leverage their skills in a high-profile infrastructure project and enhance their portfolio with government contracts.

Find more tenders on our Open Data Platform.
How relevant is this notice?

D3 Tenders Premium

Win More Public Sector Contracts

AI-powered tender discovery, pipeline management, and market intelligence — everything you need to grow your public sector business.

Start Free Trial Book a Demo
All Features Pricing

Notice Information

Notice Title

External Technical Advisory Support for Existing Nuclear Projects

Notice Description

This tender seeks technical services for DESNZ in relation to the long-term operation of Sizewell B. This includes providing advice on project delivery and undertaking due diligence on key information. This opportunity is a mini-competition from CCS Framework RM6187 Lot 8 under the Public Contracts Regulations 2015. Suppliers eligible for this opportunity have been contacted and invited to tender via the DESNZ Jaggaer portal. Only Suppliers on the framework Lot and filter that have responded to the expression of interest issued for this competition, by the stated time and date, have been invited to participate. Additional information: This opportunity is available via the DESNZ Jaggaer portal - https://beisgroup.ukp.app.jaggaer.com/esop/ogc-host/public/beisgroup/web/login.jst?VISITORID=3e09cfd4-d2be-4a75-84ce-4d881aa797e8&_ncp=1741105799430.617117-1

Notice Details

Publication & Lifecycle

Open Contracting ID
ocds-b5fd17-c44cb26c-b1af-4837-b4b1-29a0db66411b
Publication Source
Contracts Finder
Latest Notice
https://www.contractsfinder.service.gov.uk/Notice/fba1ba5e-7c71-4188-b67f-51aad12c84b4
Current Stage
Tender
All Stages
Tender

Procurement Classification

Notice Type
Tender Notice
Procurement Type
Standard
Procurement Category
Services
Procurement Method
Not Specified
Procurement Method Details
Other - CCS Framework Mini-Competition
Tender Suitability
SME, VCSE
Awardee Scale
Not specified

Common Procurement Vocabulary (CPV)

CPV Divisions

71 - Architectural, construction, engineering and inspection services

CPV Codes

71356300 - Technical support services

Notice Value(s)

Tender Value
Not specified
Lots Value
Not specified
Awards Value
Not specified
Contracts Value
Not specified

Notice Dates

Publication Date
6 Mar 202511 months ago
Submission Deadline
3 Apr 2025Expired
Future Notice Date
Not specified
Award Date
Not specified
Contract Period
1 Jun 2025 - 1 Jun 2026 6-12 months
Recurrence
Not specified

Notice Status

Tender Status
Active
Lots Status
Not Specified
Awards Status
Not Specified
Contracts Status
Not Specified

Buyer & Supplier

Contracting Authority (Buyer)

Main Buyer
DESNZ
Contact Name
Available with D3 Tenders Premium →
Contact Email
Available with D3 Tenders Premium →
Contact Phone
Available with D3 Tenders Premium →

Buyer Location

Locality
LONDON
Postcode
SW1A 2AW
Post Town
South West London
Country
England
Major Region (ITL 1)
TLI London
Basic Region (ITL 2)
TLI3 Inner London - West
Small Region (ITL 3)
TLI35 Westminster and City of London
Delivery Location
Not specified
Local Authority
Westminster
Electoral Ward
St James's
Westminster Constituency
Cities of London and Westminster

Further Information

Open Contracting Data Standard (OCDS)

View full OCDS Record for this contracting process

Download

The Open Contracting Data Standard (OCDS) is a framework designed to increase transparency and access to public procurement data in the public sector. It is widely used by governments and organisations worldwide to report on procurement processes and contracts. 

{
    "tag": [
        "compiled"
    ],
    "id": "ocds-b5fd17-c44cb26c-b1af-4837-b4b1-29a0db66411b-2025-03-06T11:10:58Z",
    "date": "2025-03-06T11:10:58Z",
    "ocid": "ocds-b5fd17-c44cb26c-b1af-4837-b4b1-29a0db66411b",
    "language": "en",
    "initiationType": "tender",
    "tender": {
        "id": "tender_463529/1458325",
        "title": "External Technical Advisory Support for Existing Nuclear Projects",
        "description": "This tender seeks technical services for DESNZ in relation to the long-term operation of Sizewell B. This includes providing advice on project delivery and undertaking due diligence on key information. This opportunity is a mini-competition from CCS Framework RM6187 Lot 8 under the Public Contracts Regulations 2015. Suppliers eligible for this opportunity have been contacted and invited to tender via the DESNZ Jaggaer portal. Only Suppliers on the framework Lot and filter that have responded to the expression of interest issued for this competition, by the stated time and date, have been invited to participate. Additional information: This opportunity is available via the DESNZ Jaggaer portal - https://beisgroup.ukp.app.jaggaer.com/esop/ogc-host/public/beisgroup/web/login.jst?VISITORID=3e09cfd4-d2be-4a75-84ce-4d881aa797e8&_ncp=1741105799430.617117-1",
        "datePublished": "2025-03-06T11:10:58Z",
        "status": "active",
        "classification": {
            "scheme": "CPV",
            "id": "71356300",
            "description": "Technical support services"
        },
        "items": [
            {
                "id": "1",
                "deliveryAddresses": [
                    {
                        "countryName": "British Oversea Territories"
                    },
                    {
                        "countryName": "Channel Islands"
                    },
                    {
                        "countryName": "Europe"
                    },
                    {
                        "countryName": "Isle of Man"
                    },
                    {
                        "countryName": "Rest of the World"
                    },
                    {
                        "countryName": "United Kingdom"
                    }
                ]
            }
        ],
        "procurementMethodDetails": "Other - CCS Framework Mini-Competition",
        "tenderPeriod": {
            "endDate": "2025-04-03T14:00:00+01:00"
        },
        "contractPeriod": {
            "startDate": "2025-06-02T00:00:00+01:00",
            "endDate": "2026-06-01T23:59:59+01:00"
        },
        "suitability": {
            "sme": true,
            "vcse": true
        },
        "mainProcurementCategory": "services",
        "documents": [
            {
                "id": "1",
                "documentType": "tenderNotice",
                "description": "Opportunity notice on Contracts Finder",
                "url": "https://www.contractsfinder.service.gov.uk/Notice/fba1ba5e-7c71-4188-b67f-51aad12c84b4",
                "datePublished": "2025-03-06T11:10:58Z",
                "format": "text/html",
                "language": "en"
            },
            {
                "id": "2",
                "description": "Link to DESNZ Jaggaer portal",
                "url": "https://beisgroup.ukp.app.jaggaer.com/esop/ogc-host/public/beisgroup/web/login.jst?VISITORID=3e09cfd4-d2be-4a75-84ce-4d881aa797e8&_ncp=1741105799430.617117-1"
            }
        ]
    },
    "parties": [
        {
            "id": "GB-CFS-275641",
            "name": "DESNZ",
            "identifier": {
                "legalName": "DESNZ"
            },
            "address": {
                "streetAddress": "3-8 Whitehall Place",
                "locality": "London",
                "postalCode": "SW1A 2AW",
                "countryName": "England"
            },
            "contactPoint": {
                "email": "matilda.smithcornwall@energysecurity.gov.uk"
            },
            "roles": [
                "buyer"
            ]
        }
    ],
    "buyer": {
        "id": "GB-CFS-275641",
        "name": "DESNZ"
    }
}