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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.

    ContractsWaste Encapsulation Plant Safety Case Modernization
    Awarded contract

    Waste Encapsulation Plant Safety Case Modernization

    Awarded
    £366.5k
    Published 3 Nov 2026

    Sellafield Ltd seeks a service provider to modernize the Waste Encapsulation Plant's safety case documentation through a two-phase production and implementation project.

    🇬🇧United KingdomPublished 3 Nov 2026· TodayviaContracts Finder
    Awarded
    £366.5k
    Published 3 Nov 2026

    Decision brief

    4 fields
    • Contract value
      £366,475
      Pounds sterling
    • Tender closed
      14 Sept 2026
      1 month ago
    • Sector
      Environmental Services
      Browse related listings
    • Location
      🇬🇧United Kingdom

    Suppliers

    1 supplier
    • RI
      Risktec Ltd.
    Lead contractor

    Lifecycle

    Awarded

    Contract awarded. Originally published today.

    3 Nov 202614 Sept 2026

    Brief

    Sellafield Ltd is seeking a service provider to rationalize and update the safety case documentation for the Waste Encapsulation Plant (WEP) to reflect its current operational status and planned future use. The project will be delivered in two phases: Phase 1 focuses on production of updated safety case documentation, and Phase 2 covers implementation of these updates. This work is essential to ensure the plant's safety procedures and regulatory compliance remain current. Service providers should have expertise in nuclear safety case development, regulatory requirements, and waste management operations.

    Track record

    27 awards · 5 winners
    Open field

    No single supplier dominates the field.

    In this category, SELLAFIELD LTD has awarded 27 contracts to 5 suppliers.

    Who wins here
    1. ATKINSALTRAD20× · 74%
    2. AMENTUM CLEAN ENERGY LIMITED3× · 11%
    3. Risktec Ltd.2× · 7%
    4. WESTMORLAND AND FURNESS COUNCIL1× · 4%
    5. Atlas Copco Rental1× · 4%

    Across this category, the most active winners are ATKINSALTRAD, Marston Holdings Ltd, BMBC — the field to beat, or your route in as a partner.

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    Take action
    View on sourceContracts Finder

    Award notice and full record on the publisher's site

    Publisher
    UK Cabinet Office
    Licence
    OGL v3.0
    Source
    contractsfinder.service.gov.uk
    Record ID
    001d8e45-4616-4c6a-b057-1ba7e9a955c8-920417

    Your fit

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    Buyer
    SELLAFIELD LTD
    Sector
    Environmental Services