---
title: "Defence Marine Services - Supply and Maintenance of Authority Moorings, Markers and Targets - AC"
ocid: "ocds-b5fd17-292894f5-70f8-4785-9931-a3021a60d7e8"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-b5fd17-292894f5-70f8-4785-9931-a3021a60d7e8"
markdown_url: "https://d3tenders.com/contract/ocds-b5fd17-292894f5-70f8-4785-9931-a3021a60d7e8.md"
json_url: "https://d3tenders.com/contract/ocds-b5fd17-292894f5-70f8-4785-9931-a3021a60d7e8.json"
source: "Contracts Finder"
current_stage: "Award"
buyer: "MINISTRY OF DEFENCE"
published: "2026-01-07"
---

# Defence Marine Services - Supply and Maintenance of Authority Moorings, Markers and Targets - AC

Buyer: MINISTRY OF DEFENCE  
Current stage: Award  
OCID: ocds-b5fd17-292894f5-70f8-4785-9931-a3021a60d7e8

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## Summary

The Ministry of Defence has completed the procurement process for the Defence Marine Services contract, which involves the supply and maintenance of moorings, markers, and targets. The procurement falls under the marine services category and will be carried out across various UK locations, including Gibraltar and Cyprus, with component supplies facilitated to the Ascension and Falkland Islands. The contract, worth approximately £182 million, is set to commence on 1st October 2025 and run for eight years until 30th September 2033. The procurement was conducted through a competitive procedure with negotiation, ensuring that the best terms were negotiated for the services required.

This contract presents significant opportunities for businesses that specialise in marine services, particularly those with expertise in maintenance and logistics management across multiple locations. Companies that can efficiently handle the sourcing, storage, and supply of marine components are well-suited to capitalise on such contracts. The Ministry of Defence, as the buyer, offers a long-term commitment that can help businesses establish a stable and growing relationship with a government entity, leading to further business growth opportunities in this and related fields.

## Notice

The Contract covers the following services: the maintenance of moorings, target moorings and navigation marks owned by the Authority, the replacement of moorings and navigation marks with telemetry buoys and the sourcing, storage and supply of moorings and navigation mark components. The maintenance and replacement of moorings, target moorings and navigation marks service will be provided at various locations around the UK Coast including Gibraltar and Cyprus. The supply of moorings and navigation mark components to a UK based nominated point of departure to enable the Authority to transport to the Ascension Island and Falkland Islands. The Contract duration is envisaged to be 96 months. To facilitate service delivery the intent is to transfer ownership of an Authority owned vessel to the new service provider under a Contractor Owned Contractor Operated (COCO) agreement subject to equitable financial renumeration. This vessel and any other vessel operated under this contract shall be UK Flagged and Certified. The specification for the services will include the following: - Maintenance in accordance with the Mooring Maintenance Programme (MMP), a schedule of routine mooring and navigation mark maintenance to ensure moorings and navigation marks remain safe to operate. - A Moorings Replacement Programme (MRP) to replace moorings and navigation marks with telemetry buoys. The MRP will involve the total removal of the legacy mooring, the design and assurance of the new moorings, the procurement of replacement components and the installation and assurance of the new moorings. - The sourcing, storage, and delivery of components to an authority nominated UK point of departure, allowing the Authority to maintain moorings in Ascension Island and Falkland Islands.

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Contracts Finder |
| Latest notice | https://www.contractsfinder.service.gov.uk/Notice/44597952-4c0c-40aa-a42a-db6958654ef4 |
| Notice type | Award Notice |
| Procurement type | Standard |
| Procurement category | Services |
| Procurement method | Selective |
| Procurement method details | Competitive procedure with negotiation (above threshold) |
| Tender suitability | Not specified |
| Awardee scale | Large |
| All stages | Award |

## Dates

| Field | Value |
| --- | --- |
| Publication date | 7 Jan 2026 |
| Submission deadline | 30 Jun 2025 |
| Future notice date | Not specified |
| Award date | 22 May 2025 |
| Contract period | 30 Sep 2025 - 30 Sep 2033 |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | £182,168,609 |
| Lots value | Not specified |
| Awards value | £182,168,609 |
| 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 | PORTSMOUTH |
| Post town | Portsmouth |
| Postcode | PO1 3LT |
| Country | England |
| ITL 1 | TLJ South East (England) |
| ITL 2 | TLJ3 Hampshire and Isle of Wight |
| ITL 3 | TLJ31 Portsmouth |
| Local authority | Portsmouth |
| Electoral ward | Charles Dickens |
| Westminster constituency | Portsmouth South |
| Delivery location | Not specified |

## Supplier

| Field | Value |
| --- | --- |
| Number of suppliers | 1 |
| Supplier names | BRIGGS MARINE CONTRACTORS |

## CPV Codes

### Divisions

- 98 - Other community, social and personal services

### Codes

- 98360000 - Marine services

## Release History

- 7 Jan 2026 at 16:04 - AwardUpdate - Award Notice - https://www.contractsfinder.service.gov.uk/Notice/44597952-4c0c-40aa-a42a-db6958654ef4
- 26 Jun 2025 at 10:24 - Award - Award Notice - https://www.contractsfinder.service.gov.uk/Notice/44597952-4c0c-40aa-a42a-db6958654ef4

## Documents

- https://www.contractsfinder.service.gov.uk/Notice/44597952-4c0c-40aa-a42a-db6958654ef4
  7th January 2026 - Awarded contract notice on Contracts Finder
- https://www.contractsfinder.service.gov.uk/Notice/Attachment/018c45df-4543-46d1-ae02-5af0b4328b3a
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- https://www.contractsfinder.service.gov.uk/Notice/Attachment/7f9d1e6a-8a9a-4c0e-b2d3-78452596912a
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- https://www.contractsfinder.service.gov.uk/Notice/Attachment/213c144f-7d23-49c7-a8a9-0215f16ba6a0
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- https://www.contractsfinder.service.gov.uk/Notice/Attachment/5092ad35-c1fa-4b40-88a0-0477253bdecd
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- https://www.contractsfinder.service.gov.uk/Notice/Attachment/aba342e1-88e9-42c5-9623-841d5c1ce937
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- https://www.contractsfinder.service.gov.uk/Notice/Attachment/aa897881-2b81-4378-8039-6dddc8050c3b
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- https://www.contractsfinder.service.gov.uk/Notice/Attachment/294f07bd-b195-4ef6-895e-7976e282901f
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- https://www.contractsfinder.service.gov.uk/Notice/Attachment/4d609a9f-689d-4fbb-a87d-8526fbd07a9b
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- https://www.contractsfinder.service.gov.uk/Notice/Attachment/fe8f3c09-6481-4c86-97f6-e7ca4b6b3114
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- https://www.contractsfinder.service.gov.uk/Notice/Attachment/ada1b5e3-a809-4e4c-9315-b02d5fa294b4
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- https://www.contractsfinder.service.gov.uk/Notice/Attachment/2ed661ad-1795-41f2-b29b-0acc10f1a694
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- https://www.contractsfinder.service.gov.uk/Notice/Attachment/332e472a-2aa4-4123-a0c0-58650e96ef8b
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- https://www.contractsfinder.service.gov.uk/Notice/Attachment/d107369b-1fe7-4168-9739-11e05ce06f37
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- https://www.contractsfinder.service.gov.uk/Notice/Attachment/3a18b930-b355-492a-ba52-faaac4bf83bb
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- https://www.contractsfinder.service.gov.uk/Notice/Attachment/dda4b784-7333-42dd-a8a4-6d9791aed9d6
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- https://www.contractsfinder.service.gov.uk/Notice/Attachment/d610b69a-b762-49c3-a8fe-54b7cafd8285
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- https://www.contractsfinder.service.gov.uk/Notice/Attachment/57ef46d2-ff98-408c-b108-15253439b212
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- https://www.contractsfinder.service.gov.uk/Notice/Attachment/2208154a-9ac6-475e-80e7-05876131719f
  n/a
- https://www.contractsfinder.service.gov.uk/Notice/Attachment/16fcc754-3efe-4d2d-95ed-3c531f4dfab2
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- https://www.contractsfinder.service.gov.uk/Notice/Attachment/8fdec2a4-9303-42a8-b89b-dacb3b0ec49a
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- https://www.contractsfinder.service.gov.uk/Notice/Attachment/199f793a-3c6e-4710-9c29-d8599c8cb13f
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- https://www.contractsfinder.service.gov.uk/Notice/Attachment/4800a383-04eb-4de2-903c-403648029389
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- https://www.contractsfinder.service.gov.uk/Notice/Attachment/8032a09a-5506-4866-829b-33705e73f902
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- https://www.contractsfinder.service.gov.uk/Notice/Attachment/fe0cbb9b-e68d-440b-b4c6-f6d6f7be54e2
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- https://www.contractsfinder.service.gov.uk/Notice/Attachment/5938e186-46d5-4dea-948d-aba6ff818e17
  n/a
- https://www.contractsfinder.service.gov.uk/Notice/Attachment/3b62d260-4183-4e65-9d0d-cdbd8076df00
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- https://www.contractsfinder.service.gov.uk/Notice/Attachment/d62463b0-e882-4c21-b233-28efebf05f23
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- https://www.contractsfinder.service.gov.uk/Notice/Attachment/980f411c-1255-45bc-a516-4d36764a20dd
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- https://www.contractsfinder.service.gov.uk/Notice/Attachment/ea03e818-0dc8-420c-9857-916f9f9b4d50
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- https://www.contractsfinder.service.gov.uk/Notice/Attachment/00eb46f9-1ba4-4b26-bb92-65c0551d180f
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- https://www.contractsfinder.service.gov.uk/Notice/Attachment/45d6039d-3037-4817-a245-6c48b6707e29
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- https://www.contractsfinder.service.gov.uk/Notice/Attachment/079a00eb-f6dd-491b-930d-2558e4799b2b
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- https://www.contractsfinder.service.gov.uk/Notice/Attachment/07be99ee-9b7c-4e35-a5fb-cdc2789e2be9
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- https://www.contractsfinder.service.gov.uk/Notice/Attachment/d636e08d-42a4-40ca-8ee7-2c4a71799924
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- https://www.contractsfinder.service.gov.uk/Notice/Attachment/bf9aa239-9675-4152-b1d0-62fdcdef0344
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- https://contracts.mod.uk/esop/ect/filesharing/flist/6916962/8631995/foldersFilesList.si?isOnModification=false&_ncp=1750859296212.539590-1#fh
  Contract Main Body
- https://contracts.mod.uk/esop/ect/filesharing/flist/6916962/11601714/foldersFilesList.si
  Contract Schedules
- https://www.contractsfinder.service.gov.uk/Notice/Attachment/f69ae3a6-e928-4e07-bbaf-8109167529cf
  n/a

## 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-b5fd17-292894f5-70f8-4785-9931-a3021a60d7e8. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-b5fd17-292894f5-70f8-4785-9931-a3021a60d7e8.json.