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    ContractsANSWERS/FISPIN Nuclear Software Licences Renewal
    Awarded contract

    ANSWERS/FISPIN Nuclear Software Licences Renewal

    Awarded
    £603.3k
    Published 19 Aug 2026

    Three-year licence renewal for ANSWERS/FISPIN nuclear software suite including maintenance, updates, and technical support for safety analysis and reactor physics modelling.

    🇬🇧United Kingdom· North WestPublished 19 Aug 2026· 2 months agoviaFind a Tender
    Awarded
    £603.3k
    Published 19 Aug 2026

    Decision brief

    4 fields
    • Contract value
      £603,312
      Pounds sterling
    • Closing date
      Not published
      No closing date published
    • Sector
      IT & Software
      Browse related listings
    • Location
      🇬🇧United Kingdom
      North West

    Suppliers

    1 supplier
    • ES
      ENERGY, SAFETY AND RISK CONSULTANTS (UK) LIMITED
    Lead contractor

    Lifecycle

    Awarded

    Contract awarded. Originally published 2 months ago.

    19 August 2026
    Awarded — no open tender advertised

    Brief

    This contract is for the three-year renewal of licences for the ANSWERS/FISPIN nuclear software suite, a comprehensive toolset used for nuclear safety analysis, criticality assessments, radiation transport modelling, shielding calculations, and reactor physics analysis. The software enables established analytical methodologies and supports regulatory-approved safety case activities for UKNNL's nuclear operations. The contract includes software licences, ongoing maintenance, regular updates, bug fixes, and dedicated technical support throughout the three-year period. Suppliers should have expertise in nuclear software licensing, maintenance service delivery, and experience supporting complex scientific computing platforms used in the nuclear industry.

    Track record

    2 awards · 2 winners
    Thin record

    Only 2 prior awards here — too little to read.

    In it software, UNITED KINGDOM NATIONAL NUCLEAR LABORATORY has awarded 2 contracts to 2 suppliers.

    Who wins here
    1. ENERGY, SAFETY AND RISK CONSULTANTS (UK) LIMITED1× · 50%
    2. ACADEMIA LTD1× · 50%

    Across it software, the most active winners are SOFTCAT PLC, PHOENIX SOFTWARE LTD, CIVICA UK 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-06e816

    Your fit

    Could you win the next one?

    This went to ENERGY, SAFETY AND RISK CONSULTANTS (UK) LIMITED. Sonar reads UNITED KINGDOM NATIONAL NUCLEAR LABORATORY's work like this against your business — who holds it, and whether you could compete or partner next time.

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    UK
    Buyer
    UNITED KINGDOM NATIONAL NUCLEAR LABORATORY
    Sector
    IT & Software