---
title: "Application Development & Support"
ocid: "ocds-h6vhtk-0516f4"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-h6vhtk-0516f4"
markdown_url: "https://d3tenders.com/contract/ocds-h6vhtk-0516f4.md"
json_url: "https://d3tenders.com/contract/ocds-h6vhtk-0516f4.json"
source: "Find A Tender Service"
current_stage: "Tender"
buyer: "DEFENCE EQUIPMENT AND SUPPORT"
published: "2025-08-15"
---

# Application Development & Support

Buyer: DEFENCE EQUIPMENT AND SUPPORT  
Current stage: Tender  
OCID: ocds-h6vhtk-0516f4

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## Summary

The Defence Equipment and Support (DE&S), a public authority operating under the UK central government, has initiated a tender process for the "Application Development & Support" project, aimed at developing and supporting software applications for military use. Located in Bristol, UK, the procurement falls into the services category with a focus on defence and security, and has a significant gross budget of GBP 12,300,000. This procurement follows a competitive flexible procedure, in accordance with the Procurement Act 2023, emphasising selective acquisition methods. Prospective suppliers must express interest by 26th September 2025 and ensure inquiries are addressed by 12th September 2025, with the final award expected by 24th November 2025.

This tender offers substantial opportunities for growth in the software development sector, particularly beneficial for businesses specialising in military and IT application software. Small and Medium Enterprises (SMEs) and Voluntary, Community and Social Enterprises (VCSEs) are encouraged to participate. Candidates should possess a Facility Security Clearance, due to the sensitivity level of the applications being developed, ranging up to SECRET UK EYES ONLY. The procurement method underlines technical competencies and value for money, allowing companies excelling in software development, IT security, and cloud services to leverage their expertise for potential strategic partnerships. The involvement in this contract could significantly enhance a firm's portfolio in high-security software systems, particularly within the defence sector.

## Notice

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.

### Lot Information

Lot 1

Options: 4 options years avialable, to be taken 1 year at a time. The Authority reserve the right, at its absolute discretion, to not take up any or all the option(s). Further information on the option(s) will be provided in the Invitation to Tender.

### Planning Information

Please note Preliminary Market Engagement was previously conducted (in 2024) in the form of a request of supplier briefs, in an aim to identify the level of industry interest, gain feedback to further inform our requirement and understand what method industry deem most suitable for the delivery and running of this contract once awarded. This was requested via PIN reference 2024-041728 https://www.findtender.service.gov.uk/Notice/018376-2024

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Find A Tender Service |
| Latest notice | https://www.find-tender.service.gov.uk/Notice/049140-2025 |
| Notice type | UK4 - Tender Notice |
| Procurement type | Standard |
| Procurement category | Services |
| Procurement method | Selective |
| Procurement method details | Competitive flexible procedure |
| Tender suitability | SME, VCSE |
| Awardee scale | Not specified |
| All stages | Planning, Tender |

## Dates

| Field | Value |
| --- | --- |
| Publication date | 15 Aug 2025 |
| Submission deadline | 12 Sep 2025 |
| Future notice date | 30 Jun 2025 |
| Award date | Not specified |
| Contract period | 30 Jun 2026 - 30 Jun 2030 |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | £10,250,000 |
| Lots value | £10,250,000 |
| Awards value | Not specified |
| Contracts value | Not specified |

## Status

| Field | Value |
| --- | --- |
| Tender status | Active |
| Lots status | Active |
| Awards status | Not specified |
| Contracts status | Not specified |

## Buyer

| Field | Value |
| --- | --- |
| Main buyer | DEFENCE EQUIPMENT AND SUPPORT |
| Locality | BRISTOL |
| Post town | Bristol |
| Postcode | BS34 8JH |
| Country | England |
| ITL 1 | TLK South West (England) |
| ITL 2 | TLK5 West of England |
| ITL 3 | TLK52 Bath & North East Somerset and South Gloucestershire |
| Local authority | South Gloucestershire |
| Electoral ward | Stoke Park & Cheswick |
| Westminster constituency | Filton and Bradley Stoke |
| Delivery location | Not specified |

## CPV Codes

### Divisions

- 72 - IT services: consulting, software development, Internet and support

### Codes

- 72212000 - Programming services of application software
- 72212517 - IT software development services
- 72212983 - Development software development services
- 72231000 - Development of software for military applications

## Release History

- 15 Aug 2025 at 12:40 - Tender - UK4 - Tender Notice - https://www.find-tender.service.gov.uk/Notice/049140-2025
- 19 May 2025 at 13:56 - Planning - UK2 - Preliminary Market Engagement Notice - https://www.find-tender.service.gov.uk/Notice/022725-2025
- 19 May 2025 at 13:02 - Planning - UK1 - Pipeline Notice - https://www.find-tender.service.gov.uk/Notice/022644-2025

## Documents

- https://www.find-tender.service.gov.uk/Notice/049140-2025
  15th August 2025 - Tender notice on Find a Tender
- https://www.find-tender.service.gov.uk/Notice/022725-2025
  19th May 2025 - Preliminary market engagement notice on Find a Tender
- https://www.find-tender.service.gov.uk/Notice/022644-2025
  19th May 2025 - Pipeline notice on Find a Tender

## Notice URLs

- https://contracts.mod.uk
- https://contracts.mod.uk/go/0598293001989EB899F4
- https://www.findtender.service.gov.uk/Notice/018376-2024
- https://www.gov.uk/government/organisations/defence-equipment-and-support
- https://www.legislation.gov.uk/ukpga/2023/54/contents

## Provenance

This Markdown file is an alternate public rendering of the D3 Tenders contract record. The canonical page is https://d3tenders.com/contract/?ocid=ocds-h6vhtk-0516f4. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-h6vhtk-0516f4.json.
