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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.

    ContractsApplication Development and Lifecycle Support Services
    Open tender

    Application Development and Lifecycle Support Services

    Seeking suppliers to provide full-lifecycle application development, maintenance, and platform services with specialist digital capabilities including cloud, AI, and security expertise.

    🇬🇧United Kingdom· EnglandPublished 19 Jun 2026· 3 months agoviaFind a Tender

    Decision brief

    4 fields
    • Contract value
      Not disclosed
      Source did not declare a figure
    • Closing date
      Rolling
      No closing date published
    • Sector
      IT & Software
      Browse related listings
    • Location
      🇬🇧United Kingdom
      England

    Lifecycle

    Open

    Open tender — no closing date published. Opened 3 months ago.

    19 June 2026
    Open tender · no closing date published

    Brief

    This opportunity seeks suppliers capable of delivering comprehensive application development and maintenance services across the full software lifecycle. Key service areas include: Platform services covering enterprise systems such as Salesforce, AWS, Azure, DMS, and Workday-adjacent solutions; Specialist digital capabilities including user-centered design (UCD), data management, accessibility standards, security, and artificial intelligence; Application and platform support services; Innovation initiatives and continuous improvement programs; Lifecycle management and governance; Quality assurance and supplier management. Successful suppliers will demonstrate expertise in end-to-end project delivery, from initial development through ongoing maintenance and optimization.

    Track record

    4 awards · 4 winners
    Open field

    No single supplier dominates the field.

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

    Who wins here
    1. TPX Impact Limited1× · 25%
    2. Xoserve Limited1× · 25%
    3. Stat-Edgy LLP1× · 25%
    4. Version 1 Solutions Ltd1× · 25%

    Across it software, the most active winners are SOFTCAT PLC, PHOENIX SOFTWARE LTD, INSIGHT DIRECT UK LIMITED — the field to beat, or your route in as a partner.

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    Take action
    View tender on sourceFind a Tender

    Full notice and submission process on the publisher's site

    Publisher
    UK Cabinet Office
    Licence
    OGL v3.0
    Source
    find-tender.service.gov.uk
    Record ID
    ocds-h6vhtk-06b97a
    DF
    Buyer
    Department for Energy Security & Net Zero
    Sector
    IT & Software