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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 OU CLESA Design Services
    Awarded contract

    Waste OU CLESA Design Services

    Awarded
    £200k
    Published 13 Oct 2026

    Design services for waste operational unit remediation and environmental management at the CLESA site.

    🇬🇧United KingdomPublished 13 Oct 2026· TodayviaContracts Finder
    Awarded
    £200k
    Published 13 Oct 2026

    Decision brief

    4 fields
    • Contract value
      £200,000
      Pounds sterling
    • Tender closed
      24 Feb 2026
      7 months ago
    • Sector
      Environmental Services
      Browse related listings
    • Location
      🇬🇧United Kingdom

    Suppliers

    1 supplier
    • AT
      ATKINSALTRAD
    Lead contractor

    Lifecycle

    Awarded

    Contract awarded. Originally published today.

    13 Oct 202624 Feb 2026

    Brief

    This procurement opportunity involves design services for the Waste Operational Unit (OU) at the CLESA (likely a contaminated site requiring remediation). The project is part of DNWP0011, Lot 4, and seeks qualified suppliers to provide engineering and design solutions for waste management or environmental remediation activities. Prospective bidders should have expertise in site assessment, waste characterization, remedial design, and environmental engineering to support the project's implementation phase.

    Track record

    19 awards · 4 winners
    Open field

    No single supplier dominates the field.

    In this category, SELLAFIELD LTD has awarded 19 contracts to 4 suppliers.

    Who wins here
    1. ATKINSALTRAD15× · 79%
    2. AMENTUM CLEAN ENERGY LIMITED2× · 11%
    3. WESTMORLAND AND FURNESS COUNCIL1× · 5%
    4. Atlas Copco Rental1× · 5%

    Across this category, the most active winners are ATKINSALTRAD, ELIS, Marston Holdings Ltd — 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
    b3fe5191-9dc3-437b-b79a-ff0d26acf4ff-917585

    Your fit

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    This went to ATKINSALTRAD. 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
    Environmental Services