Source: https://tendernation.io/opportunities/01a13bba-5937-70ed-9fe6-da4a15565554/application-development-support [Skip to main content](#main-content) closedGBrestricted procedureSuitable for SMEs # Application Development & Support [Defence Equipment and Support](https://tendernation.io/buyers/defence-equipment-and-support) Estimated value £10,250,000 Published 15 Aug 2025 Deadline Rolling deadline ## Who can bid - Buyer says suitable for SMEs The buyer ticked “suitable for SMEs” on the notice. Anyone can still bid. - Buyer says suitable for VCSEs The buyer ticked “suitable for voluntary, community and social enterprises” on the notice. [More contracts for small businesses and VCSEs](/opportunities/for-small-businesses)## About this tender The requirement is for the development and in service support of Application Development & Support (ADAS). This will include software development and support for the following: - Development and continued availability of an application store. - Systems and platforms may include Android, Windows, Linux and AWS. Software (applications) will be required to be developed for use on a variety of networks and with varying levels of data classification. Applications may be standalone, networked using secure closed systems or open cloud based and may be required to interface with 3rd party hardware e.g. sensors for data ingest, processing and transfer. These apps will need to be integrated onto the application store. - Integration of commercial off the shelf (COTS) applications onto the application store. The suppliers will be required to support DE&S with rapid, insightful, and cost-effective decisions to ensure the sustainment of the UK defence operations. The number of bespoke apps is subject to change but is assumed to be around ~20 over the life of the contract. The applications are to be used by a small, CBRN focused Military group only. The classification of application development is up to and including OFFICIAL-SENSITIVE. However, some apps may require libraries up to an including SECRET UK EYES ONLY meaning that the supplier will be required to hold Facility Security Clearance before contract award. The in-service support shall include, but not limited to maintaining availability of the applications and the application store. Read full description ## CPV classification Development of software for military applicationsIT software development servicesProgramming services of application softwareDevelopment software development services Source Find a Tender (UK) · Notice ocds-h6vhtk-0516f4-2025-08-15T13:40:18+01:00 [View official notice ](https://www.find-tender.service.gov.uk/Notice/ocds-h6vhtk-0516f4-2025-08-15T13:40:18+01:00) Never miss a tender like this again Get AI summaries, deadline alerts and a bid pipeline for tenders matched to your business. Free to start. 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