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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.

    ContractsUK Nuclear Security Framework Services
    Awarded contract

    UK Nuclear Security Framework Services

    Awarded
    £300k
    Published 25 Sept 2026

    Multi-year framework contract providing specialized nuclear security expertise and technical support services to DESNZ through 2029.

    🇬🇧United Kingdom· LondonPublished 25 Sept 2026· YesterdayviaFind a Tender
    Awarded
    £300k
    Published 25 Sept 2026

    Decision brief

    4 fields
    • Contract value
      £300,000
      Pounds sterling
    • Closing date
      Rolling
      No closing date published
    • Sector
      Defence & Security
      Browse related listings
    • Location
      🇬🇧United Kingdom
      London

    Suppliers

    1 supplier
    • UK
      United Kingdon National Nuclear Laboratory
    Lead contractor

    Lifecycle

    Awarded

    Contract awarded. Originally published yesterday.

    25 September 2026
    Awarded — no open tender advertised

    Brief

    DESNZ seeks a sustained framework contract with UKNNL for specialist nuclear security expertise through March 2029. The contract will support priority initiatives including: HALEU (High-Assay Low-Enriched Uranium) security measures, maritime security operations, Security by Design principles for advanced facilities, technical analysis of emerging nuclear technologies, and international engagement activities. Deliverables encompass research, modelling, technical advisory services, stakeholder workshops, and policy support. This opportunity is ideal for organizations with demonstrated expertise in nuclear security, technical analysis capabilities, and experience supporting government policy development in the nuclear sector.

    Track record

    4 awards · 4 winners
    Open field

    No single supplier dominates the field.

    In this category, Department for Energy Security & Net Zero has awarded 4 contracts to 4 suppliers.

    Who wins here
    1. Energy Systems Catapult1× · 25%
    2. BSI Standards Ltd1× · 25%
    3. United Kingdon National Nuclear Laboratory1× · 25%
    4. Selwyn's Travel Ltd1× · 25%

    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 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-077aa7
    DF
    Buyer
    Department for Energy Security & Net Zero
    Sector
    Defence & Security