---
title: "Merlin Out Of Service Date Extension Programme (OSDEP) Assessment Phase 2"
ocid: "ocds-b5fd17-75409a55-f04f-41fd-a867-d360345abdc3"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-b5fd17-75409a55-f04f-41fd-a867-d360345abdc3"
markdown_url: "https://d3tenders.com/contract/ocds-b5fd17-75409a55-f04f-41fd-a867-d360345abdc3.md"
json_url: "https://d3tenders.com/contract/ocds-b5fd17-75409a55-f04f-41fd-a867-d360345abdc3.json"
source: "Contracts Finder"
current_stage: "Award"
buyer: "MINISTRY OF DEFENCE"
published: "2025-07-03"
---

# Merlin Out Of Service Date Extension Programme (OSDEP) Assessment Phase 2

Buyer: MINISTRY OF DEFENCE  
Current stage: Award  
OCID: ocds-b5fd17-75409a55-f04f-41fd-a867-d360345abdc3

[View canonical contract page](https://d3tenders.com/contract/?ocid=ocds-b5fd17-75409a55-f04f-41fd-a867-d360345abdc3)  
[Download OCDS JSON](https://d3tenders.com/contract/ocds-b5fd17-75409a55-f04f-41fd-a867-d360345abdc3.json)

## Summary

The Ministry of Defence has completed the Merlin Out Of Service Date Extension Programme (OSDEP) Assessment Phase 2, aimed at extending the service life of Merlin Mk4/4a helicopters beyond 2024. This procurement process, classified under the Repair and maintenance services of helicopters, was conducted using a limited negotiated procedure without prior publication. The contract, valued at £14,612,024, was awarded to Leonardo UK Ltd, with the contract period set from 2nd June 2025 to 30th September 2027. The procurement was focused on the South West region of the United Kingdom, and although the tender stage is complete, the award status remains active. The deadline for tender submissions was on 31st March 2025.

This contract presents significant opportunities for businesses involved in specialised aerospace repair and maintenance services, particularly those with experience in military aviation. Large enterprises with the capability to manage high-value contracts and undertake comprehensive service programmes will find this procurement advantageous for growth. While SMEs and VCSEs were not targeted for this procurement, the presence of well-established companies like Leonardo UK Ltd indicates the competitive nature of this sector, suggesting the need for robust operational capacity and expertise.

## Notice

Merlin Out Of Service Extension Programme (OSDEP) Assessment Phase 2 is to support the Merlin Mk4/4a through to an extended out of service date of 2024 to develop solutions in order to contract a D&M Contract.

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Contracts Finder |
| Latest notice | https://www.contractsfinder.service.gov.uk/Notice/7d463a01-26d9-4365-9f90-7a2d11729679 |
| Notice type | Award Notice |
| Procurement type | Standard |
| Procurement category | Services |
| Procurement method | Limited |
| Procurement method details | Negotiated procedure without prior publication (above threshold) |
| Tender suitability | Not specified |
| Awardee scale | Large |
| All stages | Award |

## Dates

| Field | Value |
| --- | --- |
| Publication date | 3 Jul 2025 |
| Submission deadline | 31 Mar 2025 |
| Future notice date | Not specified |
| Award date | 1 Jun 2025 |
| Contract period | 1 Jun 2025 - 30 Sep 2027 |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | £14,612,024 |
| Lots value | Not specified |
| Awards value | £14,612,024 |
| Contracts value | Not specified |

## Status

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

## Buyer

| Field | Value |
| --- | --- |
| Main buyer | MINISTRY OF DEFENCE |
| Locality | YEOVIL |
| Post town | Bath |
| Postcode | BA20 2YB |
| Country | England |
| ITL 1 | TLK South West (England) |
| ITL 2 | TLK6 North Somerset, Somerset and Dorset |
| ITL 3 | TLK62 Somerset |
| Local authority | Somerset |
| Electoral ward | Yeovil South |
| Westminster constituency | Yeovil |
| Delivery location | TLK South West (England) |

## Supplier

| Field | Value |
| --- | --- |
| Number of suppliers | 1 |
| Supplier names | LEONARDO |

## CPV Codes

### Divisions

- 50 - Repair and maintenance services

### Codes

- 50212000 - Repair and maintenance services of helicopters

## Release History

- 3 Jul 2025 at 11:13 - Award - Award Notice - https://www.contractsfinder.service.gov.uk/Notice/7d463a01-26d9-4365-9f90-7a2d11729679

## Documents

- https://www.contractsfinder.service.gov.uk/Notice/7d463a01-26d9-4365-9f90-7a2d11729679
  3rd July 2025 - Awarded contract notice on Contracts Finder

## 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-b5fd17-75409a55-f04f-41fd-a867-d360345abdc3. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-b5fd17-75409a55-f04f-41fd-a867-d360345abdc3.json.