This public procurement record has 2 releases in its history.

PlanningUpdate

10 Aug 2026 at 10:47

Planning

14 May 2025 at 13:53

Summary of the contracting process

Sellafield Limited, a public authority in the United Kingdom, is in the planning stage of a procurement process for "Safety Case Support" services. The contract aims to provide expert support across several specialist disciplines related to nuclear safety, including radiological safety, criticality assessment, and human factors. The procurement is designed to support nuclear operations and improve safety case initiatives through a framework agreement under Crown Commercial Service RM6356. The process has recently undergone an update to streamline the procurement strategy, moving to a three-tranche competition phase. Each tranche, comprising different sub-lots, offers opportunities for varied specialisations. This planning notice was published on 10th August 2026, with the contract period set to start on 1st October 2026 and end on 30th September 2030.

This tender offers significant opportunities for businesses specialising in safety and design support services within the nuclear industry. The contract is particularly suitable for small and medium enterprises (SMEs) as indicated by the lot's suitability criteria. Given the procurement's categorisation under services and its reliance on specialist expertise, companies proficient in nuclear safety, design support, and engineering are likely to benefit most from participating. With a planned budget of up to £39.6 million, this contract promises substantial potential for organisations looking to expand their portfolio and contribute to critical safety initiatives within the UK's nuclear sector.

How relevant is this notice?

Notice Title

Safety Case Support

Notice Description

Safety case /assessment support is potentially required from the following specialist discipline Areas: * Safety Case * Radiological Safety * Criticality Assessment * Human Factors * Human Performance * Dose & Shielding Assessment * Fire Safety Specialist (Nuclear & Conventional). Providing Support to Nuclear Operations & programme and Safety case improvement initiatives. This will be procured via Crown Commercial Service framework RM6356.

Publication & Lifecycle

Open Contracting ID
ocds-h6vhtk-05134e
Publication Source
Find A Tender Service
Latest Notice
https://www.find-tender.service.gov.uk/Notice/075652-2026
Current Stage
Planning
All Stages
Planning

Procurement Classification

Notice Type
UK1 - Pipeline Notice
Procurement Type
Framework
Procurement Category
Services
Procurement Method
Not Specified
Procurement Method Details
Not specified
Tender Suitability
SME
Awardee Scale
Not specified

Common Procurement Vocabulary (CPV)

CPV Divisions

79 - Business services: law, marketing, consulting, recruitment, printing and security


CPV Codes

79933000 - Design support services

Notice Value(s)

Tender Value
£33,000,000 £10M-£100M
Lots Value
Not specified
Awards Value
Not specified
Contracts Value
Not specified

Notice Dates

Publication Date
10 Aug 2026Yesterday
Submission Deadline
Not specified
Future Notice Date
11 Aug 2026Expired
Award Date
Not specified
Contract Period
30 Sep 2026 - 30 Sep 2030 4-5 years
Recurrence
Not specified

Notice Status

Tender Status
Planned
Lots Status
Planned
Awards Status
Not Specified
Contracts Status
Not Specified

Contracting Authority (Buyer)

Main Buyer
SELLAFIELD LIMITED
Additional Buyers

SELLAFIELD LIMITED - HINTON

Contact Name
Available with D3 Tenders Premium →
Contact Email
Available with D3 Tenders Premium →
Contact Phone
Available with D3 Tenders Premium →

Buyer Location

Locality
WARRINGTON
Postcode
WA3 6GR
Post Town
Warrington
Country
England

Major Region (ITL 1)
TLD North West (England)
Basic Region (ITL 2)
TLD6 Cheshire
Small Region (ITL 3)
TLD61 Warrington
Delivery Location
Not specified

Local Authority
Warrington
Electoral Ward
Birchwood
Westminster Constituency
Warrington North

Further Information

Open Contracting Data Standard (OCDS)

View full OCDS Record for this contracting process

JSON Markdown

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-h6vhtk-05134e-2026-08-10T11:47:25+01:00",
    "date": "2026-08-10T11:47:25+01:00",
    "ocid": "ocds-h6vhtk-05134e",
    "initiationType": "tender",
    "planning": {
        "documents": [
            {
                "id": "021340-2025",
                "documentType": "plannedProcurementNotice",
                "noticeType": "UK1",
                "description": "Pipeline notice on Find a Tender",
                "url": "https://www.find-tender.service.gov.uk/Notice/021340-2025",
                "datePublished": "2025-05-14T14:53:24+01:00",
                "format": "text/html"
            },
            {
                "id": "075652-2026",
                "documentType": "plannedProcurementNotice",
                "noticeType": "UK1",
                "description": "Pipeline notice on Find a Tender",
                "url": "https://www.find-tender.service.gov.uk/Notice/075652-2026",
                "datePublished": "2026-08-10T11:47:25+01:00",
                "format": "text/html"
            }
        ]
    },
    "parties": [
        {
            "id": "GB-PPON-PWYP-8439-MZWY",
            "name": "Sellafield Limited",
            "identifier": {
                "scheme": "GB-PPON",
                "id": "PWYP-8439-MZWY"
            },
            "address": {
                "streetAddress": "Hinton House, Birchwood Park Avenue",
                "locality": "Warrington",
                "postalCode": "WA3 6GR",
                "country": "GB",
                "countryName": "United Kingdom",
                "region": "UKD61"
            },
            "contactPoint": {
                "name": "Mahmuda Begum",
                "email": "mahmuda.begum@sellafieldsites.com",
                "telephone": "019467 28333"
            },
            "roles": [
                "buyer"
            ],
            "details": {
                "url": "https://www.gov.uk/government/organisations/sellafield-ltd",
                "classifications": [
                    {
                        "id": "publicAuthoritySubCentralGovernment",
                        "scheme": "UK_CA_TYPE",
                        "description": "Public authority - sub-central government"
                    }
                ]
            }
        }
    ],
    "buyer": {
        "id": "GB-PPON-PWYP-8439-MZWY",
        "name": "Sellafield Limited"
    },
    "tender": {
        "id": "C25804 - Safety Case Support",
        "legalBasis": {
            "id": "2023/54",
            "scheme": "UKPGA",
            "uri": "https://www.legislation.gov.uk/ukpga/2023/54/contents"
        },
        "title": "Safety Case Support",
        "description": "Safety case /assessment support is potentially required from the following specialist discipline Areas: * Safety Case * Radiological Safety * Criticality Assessment * Human Factors * Human Performance * Dose & Shielding Assessment * Fire Safety Specialist (Nuclear & Conventional). Providing Support to Nuclear Operations & programme and Safety case improvement initiatives. This will be procured via Crown Commercial Service framework RM6356.",
        "items": [
            {
                "id": "1",
                "additionalClassifications": [
                    {
                        "scheme": "CPV",
                        "id": "79933000",
                        "description": "Design support services"
                    }
                ],
                "relatedLot": "1"
            }
        ],
        "value": {
            "amountGross": 39600000,
            "amount": 33000000,
            "currency": "GBP"
        },
        "mainProcurementCategory": "services",
        "aboveThreshold": true,
        "lots": [
            {
                "id": "1",
                "suitability": {
                    "sme": true
                },
                "contractPeriod": {
                    "startDate": "2026-10-01T00:00:00+01:00",
                    "endDate": "2030-09-30T23:59:59+01:00"
                },
                "status": "planned"
            }
        ],
        "communication": {
            "futureNoticeDate": "2026-08-11T23:59:59+01:00"
        },
        "status": "planned",
        "techniques": {
            "hasFrameworkAgreement": true
        },
        "amendments": [
            {
                "id": "075652-2026",
                "description": "This UK1 change notice is issued to notify the market of a change to the procurement strategy associated with the Design Support Procurement (DSP). The procurement approach was originally communicated was to conduct ten (10) individual mini- competitions, each established as a separate competition within the ATAMIS portal and published under the corresponding UK1 notice on Find a Tender Services (FTS) - UK -0180, UK0202, UK-0170,UK-0172, UK-0179, UK-0168, UK-0204, UK-0169, UK-0178, and UK-0184. Following a review of the procurement delivery strategy, the contracting authority has revised its approach to improve procurement efficiency, and project delivery. The revised strategy is to undertake the procurement through a three (3) tranche competition phase, with each tranche having sub lots. Each tranche will be managed as a separate competition within Atamis under the following ref: Atamis ref C31873, C31949, & C31950. This change affects the structure of the call-off competitions only and does not alter the overall procurement objectives, scope, requirements, or the overall operation of DSP. All procurement activity will continue to be conducted in accordance with the provisions of the DSP and the Procurement Act 23. All future competition documentation, procurement timelines, and communications relating to the revised tranche - based competition will be issued via Atamis. This change notice is published to ensure transparency and to formally notify the market of the revised procurement strategy Tranche Contract: Tranche One 1. Plant Facing Design Office (PFDO) civil, structural and architectural 2. PFDO multi-discipline mechanical, electrical and instrumentation 3. PFDO manufactured products 4. PFDO process Tranche Two 5. Site project office client 6. Remediation / legacy projects 7. Retrievals client 8. Infrastructure front-end enabling Tranche Three (3) 9. Studies and engineering capability 10. Safety Case"
            }
        ]
    },
    "language": "en"
}