---
title: "Robotic Exclusion & Engagement Framework (REEF)"
ocid: "ocds-b5fd17-e0e2d6ad-fdde-4fc0-b13b-730ea62ded5d"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-b5fd17-e0e2d6ad-fdde-4fc0-b13b-730ea62ded5d"
markdown_url: "https://d3tenders.com/contract/ocds-b5fd17-e0e2d6ad-fdde-4fc0-b13b-730ea62ded5d.md"
json_url: "https://d3tenders.com/contract/ocds-b5fd17-e0e2d6ad-fdde-4fc0-b13b-730ea62ded5d.json"
source: "Contracts Finder"
current_stage: "Tender"
buyer: "MINISTRY OF DEFENCE"
published: "2026-03-23"
---

# Robotic Exclusion & Engagement Framework (REEF)

Buyer: MINISTRY OF DEFENCE  
Current stage: Tender  
OCID: ocds-b5fd17-e0e2d6ad-fdde-4fc0-b13b-730ea62ded5d

[View canonical contract page](https://d3tenders.com/contract/?ocid=ocds-b5fd17-e0e2d6ad-fdde-4fc0-b13b-730ea62ded5d)  
[Download OCDS JSON](https://d3tenders.com/contract/ocds-b5fd17-e0e2d6ad-fdde-4fc0-b13b-730ea62ded5d.json)

## Summary

The Ministry of Defence, based in London, is seeking solutions under the "Robotic Exclusion & Engagement Framework (REEF)" initiative, a joint project between the US and UK. This tender, categorised under unmanned underwater vehicles and military electronic systems, represents a Commercial Solutions Opening (CSO) and is aimed at countering uncrewed underwater threats. Interested suppliers must apply by 3rd April 2026, with contracts beginning on 20th July 2026 and ending by 24th April 2028. This procurement process is currently in the tender stage, creating an opportunity valued at £1,000,000, with delivery expected in the United States.

This initiative presents significant growth opportunities for small and medium-sized enterprises (SMEs) with expertise in military technology and innovation. Businesses that specialise in developing advanced electronic systems for defence applications would be well-positioned to compete for this contract. With the Ministry of Defence's focus on innovative solutions, firms capable of delivering cutting-edge, unmanned underwater technologies stand to gain a strategic advantage and potential expansion in international markets.

## Notice

The US and UK are pleased to announce a new bilateral Commercial Solutions Opening (CSO). Pj REEF is a joint US-UK project focused on countering uncrewed underwater vehicles, which will be delivered through the US DIU and its CSO process. For the UK, this project has been initiated by UK DI, and is being delivered through Cyber and Specialist Operations Command's Innovation team, the jHub. https://www.diu.mil/work-with-us/submit-solution/PROJ00607

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Contracts Finder |
| Latest notice | https://www.contractsfinder.service.gov.uk/Notice/88393cce-9330-4a02-b5db-beb155476218 |
| Notice type | Tender Notice |
| Procurement type | Standard |
| Procurement category | Goods |
| Procurement method | Not Specified |
| Procurement method details | Other - Commercial Solutions Openings (CSO) |
| Tender suitability | SME |
| Awardee scale | Not specified |
| All stages | Tender |

## Dates

| Field | Value |
| --- | --- |
| Publication date | 23 Mar 2026 |
| Submission deadline | 3 Apr 2026 |
| Future notice date | Not specified |
| Award date | Not specified |
| Contract period | 19 Jul 2026 - 24 Apr 2028 |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | £1,000,000 |
| Lots value | Not specified |
| Awards value | Not specified |
| Contracts value | Not specified |

## Status

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

## Buyer

| Field | Value |
| --- | --- |
| Main buyer | MINISTRY OF DEFENCE |
| Locality | LONDON |
| Post town | South West London |
| Postcode | SW1A 2HB |
| Country | England |
| ITL 1 | TLI London |
| ITL 2 | TLI3 Inner London - West |
| ITL 3 | TLI35 Westminster and City of London |
| Local authority | Westminster |
| Electoral ward | St James's |
| Westminster constituency | Cities of London and Westminster |
| Delivery location | Not specified |

## CPV Codes

### Divisions

- 35 - Security, fire-fighting, police and defence equipment

### Codes

- 35512400 - Unmanned underwater vehicles
- 35700000 - Military electronic systems

## Release History

- 23 Mar 2026 at 16:08 - Tender - Tender Notice - https://www.contractsfinder.service.gov.uk/Notice/88393cce-9330-4a02-b5db-beb155476218

## Documents

- https://www.contractsfinder.service.gov.uk/Notice/88393cce-9330-4a02-b5db-beb155476218
  23rd March 2026 - Opportunity notice on Contracts Finder

## Notice URLs

- https://www.diu.mil/work-with-us/submit-solution/PROJ00607

## 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-b5fd17-e0e2d6ad-fdde-4fc0-b13b-730ea62ded5d. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-b5fd17-e0e2d6ad-fdde-4fc0-b13b-730ea62ded5d.json.