---
title: "715070450 SONAR 2054IR IN-SERVICE SUPPORT (ISS)"
ocid: "ocds-h6vhtk-0562bf"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-h6vhtk-0562bf"
markdown_url: "https://d3tenders.com/contract/ocds-h6vhtk-0562bf.md"
json_url: "https://d3tenders.com/contract/ocds-h6vhtk-0562bf.json"
source: "Find A Tender Service"
current_stage: "Award"
buyer: "DEFENCE EQUIPMENT AND SUPPORT"
published: "2026-04-22"
---

# 715070450 SONAR 2054IR IN-SERVICE SUPPORT (ISS)

Buyer: DEFENCE EQUIPMENT AND SUPPORT  
Current stage: Award  
OCID: ocds-h6vhtk-0562bf

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## Summary

The procurement process for the "715070450 SONAR 2054IR IN-SERVICE SUPPORT (ISS)" contract involves Defence Equipment and Support (DE&S), a central government public authority based at MOD Abbey Wood, Bristol, United Kingdom. This procurement, under the "defenceSecurity" special regime category, focuses on the repair and maintenance of military electronic systems, specifically sonars. Lockheed Martin UK Ltd, located in Havant, United Kingdom, has been directly awarded this 6-year contract, starting from 1 April 2026 and ending on 31 March 2032. The contractual value amounts to approximately £8.86 million and has been conducted through a direct procurement method, justified by technical reasons as Lockheed Martin UK is the Original Equipment Manufacturer for the Sonar 2054IR system and possesses exclusive technical capabilities necessary for the task.

This tender presents significant opportunities for businesses involved in advanced engineering, technology support, and military systems management. With a direct award to Lockheed Martin UK Ltd, companies seeking collaboration or subcontracting opportunities may find potential for growth by aligning with large defence contractors. Businesses that specialise in defence systems maintenance, technology upgrades, and equipment management fit well with the scope of services required under this contract, as it involves extensive services from programme management to on-site testing and engineering. Additionally, as the contract addresses technical refresh activities to mitigate obsolescence risks, firms offering innovative solutions in adapting and upgrading technology to meet stringent safety and security standards may find lucrative opportunities.

## Notice

The Secretary of State for Defence (the Authority), through the Sonar and Maritime Sensors (SaMS) Project Team within Defence Equipment & Support (DE&S), intends to place a 6-year contract, with Lockheed Martin UK (LMUK) for the In-Service Support of the current Sonar 2054 Inboard Replacement (IR) system fitted within the Royal Navy Submarine Fleet. The support activities will include but not be limited to: a) programme and contract management b) provision of Post Design Services c) management of equipment obsolescence which may include technology refresh activity d) provision of on-site engineering and testing e) provision of spares including shipping and fitting f) provision and management of equipment repair activities g) provision of disposal services h) other support related activities requiring site visits, i) additional ad-hoc tasking.

### Procurement Information

It is considered that the direct award of the contract is lawful pursuant to Section 41 and paragraph 6 of Schedule 5 of the Procurement Act 2023 for single suppliers - technical reasons. The proposed In-Service Support is a continuation of the existing support provided by LMUK under the current contract. LMUK, are the Original Equipment Manufacturer (OEM) for S2054IR, and the only economic operator that has access to the LMUK designs, drawings and technical data which is necessary to fulfil the requirement. LMUK designed, developed and installed the Sonar 2054IR system across all the UK Ministry of Defence's platforms and shore installations and has supported the system since its installation & holds the necessary specialist technical knowhow to fulfil the requirement. S2054IR is essential to the safety of the V class platforms at sea and it is not considered that another provider could meet the required level of support without access to the referenced technical data and know-how, introducing an unacceptable level of technical, safety and security risk to MOD capability.

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Find A Tender Service |
| Latest notice | https://www.find-tender.service.gov.uk/Notice/036502-2026 |
| Notice type | UK7 - Contract Details Notice |
| Procurement type | Standard |
| Procurement category | Services |
| Procurement method | Direct |
| Procurement method details | Direct award |
| Tender suitability | Not specified |
| Awardee scale | Large |
| All stages | Award |

## Dates

| Field | Value |
| --- | --- |
| Publication date | 22 Apr 2026 |
| Submission deadline | Not specified |
| Future notice date | Not specified |
| Award date | 21 Jul 2025 |
| Contract period | 31 Mar 2026 - 31 Mar 2032 |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | Not specified |
| Lots value | Not specified |
| Awards value | £8,863,833 |
| Contracts value | £8,863,833 |

## Status

| Field | Value |
| --- | --- |
| Tender status | Complete |
| Lots status | Complete |
| Awards status | Active |
| Contracts status | Active |

## 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 |

## Supplier

| Field | Value |
| --- | --- |
| Number of suppliers | 1 |
| Supplier names | LOCKHEED MARTIN |

## CPV Codes

### Divisions

- 38 - Laboratory, optical and precision equipments (excl. glasses)
- 50 - Repair and maintenance services

### Codes

- 38113000 - Sonars
- 50660000 - Repair and maintenance services of military electronic systems

## Release History

- 22 Apr 2026 at 10:29 - Award - UK7 - Contract Details Notice - https://www.find-tender.service.gov.uk/Notice/036502-2026
- 16 Mar 2026 at 15:05 - Award - UK6 - Contract Award Notice - https://www.find-tender.service.gov.uk/Notice/023610-2026
- 21 Jul 2025 at 10:15 - Award - UK5 - Transparency Notice - https://www.find-tender.service.gov.uk/Notice/041558-2025

## Documents

- https://www.find-tender.service.gov.uk/Notice/036502-2026
  22nd April 2026 - Contract details notice on Find a Tender
- https://www.find-tender.service.gov.uk/Notice/023610-2026
  16th March 2026 - Contract award notice on Find a Tender
- https://www.find-tender.service.gov.uk/Notice/041558-2025
  21st July 2025 - Transparency notice on Find a Tender

## Notice URLs

- 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-0562bf. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-h6vhtk-0562bf.json.