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BidSonar is an independent index of public-sector opportunities. We aggregate data from official sources and are not affiliated with any procurement body. Data is licensed under the Open Government Licence v3.0 and the EU TED reuse notice.

    ContractsNuclear Fuel Flask Milling Machine Loading Door Upgrade
    Awarded contract

    Nuclear Fuel Flask Milling Machine Loading Door Upgrade

    Awarded
    £41.1k
    Published 6 Oct 2026

    Upgrade the flask loading door on a nuclear fuel flask milling machine to a compliant interlocked internal sliding door system.

    🇬🇧United Kingdom· North WestPublished 6 Oct 2026· TodayviaFind a Tender
    Awarded
    £41.1k
    Published 6 Oct 2026

    Decision brief

    4 fields
    • Contract value
      £41,112
      Pounds sterling
    • Closing date
      Rolling
      No closing date published
    • Sector
      Engineering
      Browse related listings
    • Location
      🇬🇧United Kingdom
      North West

    Suppliers

    1 supplier
    • SE
      Seymour Engineering Ltd
    Lead contractor

    Lifecycle

    Awarded

    Contract awarded. Originally published today.

    6 October 2026
    Awarded — no open tender advertised

    Brief

    This opportunity involves upgrading the flask loading door on a milling machine that is essential for nuclear fuel flask maintenance operations. The upgrade requires replacing the current door with a compliant, interlocked internal sliding door system that meets safety and operational standards. This critical equipment upgrade ensures the milling machine continues to reliably support nuclear fuel flask servicing and maintenance activities. Suppliers should be prepared to design, engineer, and install a door system that integrates seamlessly with existing machinery while meeting all relevant safety regulations and interlocking requirements.

    Track record

    18 awards · 14 winners
    Open field

    No single supplier dominates the field.

    In engineering, SELLAFIELD LTD has awarded 18 contracts to 14 suppliers.

    Who wins here
    1. CAVENDISH NUCLEAR3× · 17%
    2. Seymour Engineering Ltd2× · 11%
    3. PA CONSULTING SERVICES LIMITED2× · 11%
    4. Prolectric Services Ltd1× · 6%
    5. Co-Lab Engineering Limited1× · 6%
    6. V360 Energy Ltd1× · 6%

    +8 more suppliers

    Across engineering, the most active winners are AECOM LTD, WSP UK LIMITED, OVE ARUP PARTNERS LIMITED — the field to beat, or your route in as a partner.

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    Take action
    View on sourceFind a Tender

    Award notice and full record on the publisher's site

    Publisher
    UK Cabinet Office
    Licence
    OGL v3.0
    Source
    find-tender.service.gov.uk
    Record ID
    ocds-h6vhtk-0781c5

    Your fit

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    This went to Seymour Engineering Ltd. Sonar reads SELLAFIELD LTD's work like this against your business — who holds it, and whether you could compete or partner next time.

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    SE
    Buyer
    SELLAFIELD LTD
    Sector
    Engineering