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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 days agoviaFind a Tender
    Awarded
    £603.3k
    Published 19 Aug 2026

    Decision brief

    4 fields
    • Contract value
      £603,312
      Pounds sterling
    • Closing date
      Rolling
      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 days 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
    UK
    Buyer
    UNITED KINGDOM NATIONAL NUCLEAR LABORATORY
    Sector
    IT & Software