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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.

    ContractsCalder Ring Fence Procurement Opportunity
    Awarded contract

    Calder Ring Fence Procurement Opportunity

    Awarded
    £478.7k
    Published 14 Sept 2026

    A reserved procurement contract opportunity for eligible Calder-based suppliers and organizations.

    🇬🇧United KingdomPublished 14 Sept 2026· 1 month agoviaContracts Finder
    Awarded
    £478.7k
    Published 14 Sept 2026

    Decision brief

    4 fields
    • Contract value
      £478,697
      Pounds sterling
    • Tender closed
      26 Aug 2026
      2 months ago
    • Sector
      Other
      Browse related listings
    • Location
      🇬🇧United Kingdom

    Suppliers

    1 supplier
    • AC
      AMENTUM CLEAN ENERGY LIMITED
    Lead contractor

    Lifecycle

    Awarded

    Contract awarded. Originally published 1 month ago.

    14 Sept 2026Today26 Aug 2026

    Brief

    This is a ring-fenced procurement opportunity (DNWP0071/LOT1A) dedicated to the Calder region. Ring fencing means this contract is reserved for specific suppliers or organizations meeting particular criteria related to the Calder area. This opportunity aims to support local economic development and ensure contracts are awarded to eligible providers within the designated geographical or organizational scope. Interested suppliers should verify their eligibility based on the ring-fencing criteria before submitting proposals.

    Track record

    24 awards · 4 winners
    Open field

    No single supplier dominates the field.

    In this category, SELLAFIELD LTD has awarded 24 contracts to 4 suppliers.

    Who wins here
    1. ATKINSALTRAD20× · 83%
    2. AMENTUM CLEAN ENERGY LIMITED2× · 8%
    3. WESTMORLAND AND FURNESS COUNCIL1× · 4%
    4. 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.

    More from SELLAFIELD LTD

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    AwardedEducation & Training🇬🇧United Kingdom

    Salford University Higher Education Programme Delivery and Support

    Three-year contract to deliver and support existing higher education and further education programmes for enrolled Salford University students through to qualification completion.

    £26,917SELLAFIELD LTD
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    Infrastructure Development Preparations Phase A (Lot 1B)

    Lot 1B infrastructure development preparations including feasibility studies, design work, and project planning for the initial Phase A deliverables.

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    AwardedEngineering🇬🇧United Kingdom

    Soft Skills Training for Engineering Sprint Projects

    Provide soft skills training and leadership coaching support to participants in an annual engineering sprint programme.

    £81,900SELLAFIELD LTD
    Published 28 Oct 2026

    Open in Other

    4 open listingsView all →
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    Exhibition Design Services: 3D, 2D and Lighting for The Ocean Exhibitions

    SMG seeks experienced exhibition designers to create 3D, 2D, and lighting designs for 'The Ocean' temporary exhibition at two major UK science museums in 2028 and 2029.

    est.£108,000SCIENCE MUSEUM GROUP
    Published 19 Oct 2026
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    Network Coordinator for Four Lanterns Art Touring Partnership

    Coordinate touring art exhibitions and engagement programmes across four UK venues for Art Fund's Going Places programme from January 2027 to September 2029.

    est.£60,000Wrexham County Borough Council
    Published 14 Oct 2026
    Other🇬🇧United Kingdom

    Artist Needed for Public Art Installation in Bus Shelters

    Seeking an artist to create and install themed, durable public artwork in two village bus shelters with community participation, budget up to £38,000.

    est.£38,000Castlethorpe Parish Council
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    Other🇬🇧United Kingdom

    Legionella and Air Hygiene Auditing Services

    SMG requires expert auditing services to ensure Legionella and air hygiene compliance and protect visitor and staff health and safety.

    est.£150,000SCIENCE MUSEUM GROUP
    Published 17 Sept 2026
    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
    30f2de24-e12f-49e3-ad1c-a792adb32048-914024

    Your fit

    Could you win the next one?

    This went to AMENTUM CLEAN ENERGY LIMITED. 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
    Other