Award

Supply of Flask Seals, Gaskets & 'O' Rings

SELLAFIELD LTD

This public procurement record has 1 release in its history.

Award

30 Mar 2026 at 14:23

Summary of the contracting process

The procurement process for the "Supply of Flask Seals, Gaskets & 'O' Rings" has been managed by Sellafield Ltd, headquartered in Warrington, United Kingdom. The procurement, categorised under the industry of gaskets, involved the supply of specialised seals, gaskets, and 'O' rings for nuclear transport flasks. This process reached the award stage with a contract value of £400,000, and the tender period concluded on 11th March 2026. The contract is set to run from 12th March 2026 to 20th February 2030, with the geographic focus in the North West of England. The procurement method used was classified as "Other," and the process has been completed.

This tender presents a lucrative opportunity for businesses specialising in the manufacture and supply of industrial gaskets and seals, specifically those with capabilities in nuclear-certified products. Although this particular procurement did not express suitability for SMEs or VCSEs, larger companies with established supply chains and specialised expertise could find substantial growth potential in fulfilling such contracts. Organisations in the nuclear, transport, or high-precision manufacturing sectors, especially those familiar with stringent industry standards, would be well-poised to compete for similar tenders. James Walker UK Ltd, a large-scale supplier, was the awarded contractor for this procurement.

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

Notice Title

Supply of Flask Seals, Gaskets & 'O' Rings

Notice Description

Supply of Nuclear Transport Flask Specialised Seals Gaskets & 'O' Rings

Publication & Lifecycle

Open Contracting ID
ocds-b5fd17-e492634e-9ac2-4df1-b787-5ab7d30368ac
Publication Source
Contracts Finder
Latest Notice
https://www.contractsfinder.service.gov.uk/Notice/3acccc3c-e89b-4117-9eae-dfc3635e408e
Current Stage
Award
All Stages
Award

Procurement Classification

Notice Type
Award Notice
Procurement Type
Standard
Procurement Category
Goods
Procurement Method
Not Specified
Procurement Method Details
Other -
Tender Suitability
Not specified
Awardee Scale
Large

Common Procurement Vocabulary (CPV)

CPV Divisions

34 - Transport equipment and auxiliary products to transportation


CPV Codes

34312500 - Gaskets

Notice Value(s)

Tender Value
£400,000 £100K-£500K
Lots Value
Not specified
Awards Value
£400,000 £100K-£500K
Contracts Value
Not specified

Notice Dates

Publication Date
30 Mar 20264 days ago
Submission Deadline
11 Mar 2026Expired
Future Notice Date
Not specified
Award Date
12 Mar 20263 weeks ago
Contract Period
12 Mar 2026 - 20 Feb 2030 3-4 years
Recurrence
Not specified

Notice Status

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

Contracting Authority (Buyer)

Main Buyer
SELLAFIELD LTD
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
TLD North West (England)

Local Authority
Warrington
Electoral Ward
Birchwood
Westminster Constituency
Warrington North

Supplier Information

Number of Suppliers
1
Supplier Name

JAMES WALKER

Further Information

Notice Documents

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-e492634e-9ac2-4df1-b787-5ab7d30368ac-2026-03-30T15:23:17+01:00",
    "date": "2026-03-30T15:23:17+01:00",
    "ocid": "ocds-b5fd17-e492634e-9ac2-4df1-b787-5ab7d30368ac",
    "language": "en",
    "initiationType": "tender",
    "tender": {
        "id": "CF-0280200D4L000000iAvzUAE",
        "title": "Supply of Flask Seals, Gaskets & 'O' Rings",
        "description": "Supply of Nuclear Transport Flask Specialised Seals Gaskets & 'O' Rings",
        "status": "complete",
        "classification": {
            "scheme": "CPV",
            "id": "34312500",
            "description": "Gaskets"
        },
        "items": [
            {
                "id": "1",
                "deliveryAddresses": [
                    {
                        "postalCode": "WA3 6GR"
                    },
                    {
                        "region": "North West",
                        "countryName": "United Kingdom"
                    }
                ]
            }
        ],
        "value": {
            "amount": 400000,
            "currency": "GBP"
        },
        "procurementMethodDetails": "Other -",
        "tenderPeriod": {
            "endDate": "2026-03-11T12:00:00Z"
        },
        "contractPeriod": {
            "startDate": "2026-03-12T00:00:00Z",
            "endDate": "2030-02-20T23:59:59Z"
        },
        "suitability": {
            "sme": false,
            "vcse": false
        },
        "mainProcurementCategory": "goods"
    },
    "parties": [
        {
            "id": "GB-CFS-238492",
            "name": "Sellafield Ltd",
            "identifier": {
                "legalName": "Sellafield Ltd"
            },
            "address": {
                "streetAddress": "Hinton House",
                "locality": "Warrington",
                "postalCode": "WA3 6GR",
                "countryName": "GB"
            },
            "contactPoint": {
                "name": "Mandy Murray",
                "email": "mandy.murray@sellafieldsites.com",
                "telephone": "+44 1925 832000"
            },
            "roles": [
                "buyer"
            ]
        },
        {
            "id": "GB-CFS-332954",
            "name": "James Walker UK Ltd",
            "identifier": {
                "legalName": "James Walker UK Ltd"
            },
            "address": {
                "streetAddress": "2nd Floor, Gawsworth House Westmere Drive Crewe Cheshire, Crewe, CW1 6XB"
            },
            "details": {
                "scale": "large"
            },
            "roles": [
                "supplier"
            ]
        }
    ],
    "buyer": {
        "id": "GB-CFS-238492",
        "name": "Sellafield Ltd"
    },
    "awards": [
        {
            "id": "ocds-b5fd17-e492634e-9ac2-4df1-b787-5ab7d30368ac-1",
            "status": "active",
            "date": "2026-03-12T00:00:00Z",
            "datePublished": "2026-03-30T15:23:17+01:00",
            "value": {
                "amount": 400000,
                "currency": "GBP"
            },
            "suppliers": [
                {
                    "id": "GB-CFS-332954",
                    "name": "James Walker UK Ltd"
                }
            ],
            "contractPeriod": {
                "startDate": "2026-03-12T00:00:00Z",
                "endDate": "2030-02-20T23:59:59Z"
            },
            "documents": [
                {
                    "id": "1",
                    "documentType": "awardNotice",
                    "description": "Awarded contract notice on Contracts Finder",
                    "url": "https://www.contractsfinder.service.gov.uk/Notice/3acccc3c-e89b-4117-9eae-dfc3635e408e",
                    "datePublished": "2026-03-30T15:23:17+01:00",
                    "format": "text/html",
                    "language": "en"
                }
            ]
        }
    ]
}