--- title: "Defence Marine Services - Supply and Maintenance of Authority Moorings, Markers and Targets" ocid: "ocds-h6vhtk-03442d" canonical_url: "https://d3tenders.com/contract/?ocid=ocds-h6vhtk-03442d" markdown_url: "https://d3tenders.com/contract/ocds-h6vhtk-03442d.md" json_url: "https://d3tenders.com/contract/ocds-h6vhtk-03442d.json" source: "Find A Tender Service" current_stage: "Award" buyer: "MINISTRY OF DEFENCE" published: "2026-01-09" --- # Defence Marine Services - Supply and Maintenance of Authority Moorings, Markers and Targets Buyer: MINISTRY OF DEFENCE Current stage: Award OCID: ocds-h6vhtk-03442d [View canonical contract page](https://d3tenders.com/contract/?ocid=ocds-h6vhtk-03442d) [Download OCDS JSON](https://d3tenders.com/contract/ocds-h6vhtk-03442d.json) ## Summary The Ministry of Defence recently updated the tender process for the "Defence Marine Services - Supply and Maintenance of Authority Moorings, Markers and Targets," a service contract involving marine services across the UK, including Gibraltar and Cyprus, and extending to the Ascension and Falkland Islands. The procurement falls under the services category with the contract's competitive procedure including negotiation. Key procurement amendments were last noted on 9th January 2026, with the winning supplier already identified as Briggs Marine Contractors Limited. This award was confirmed on 23rd May 2025, with a contract value of approximately £182 million and a contract duration of 96 months, further indicating a significant and long-term commitment from the Ministry of Defence, headquartered in Portsmouth, UK. This tender provides substantial opportunities for businesses in marine services, particularly those specialising in mooring maintenance and marine equipment supply. Companies capable of managing complex logistical operations, vessel management, and compliance with mooring legislation and safety standards would find this contract beneficial for business expansion. Moreover, given the contract's extensive territorial coverage and the necessity for technical certifications such as ISO standards and UK MCA compliance, enterprises well-versed in international marine operations are positioned advantageously. Subcontracting opportunities and the need for suitable storage facilities for marine components could extend potential business growth to ancillary sectors such as logistics, warehousing, and specialised training providers. ## Notice Supply and Maintenance of Authority Moorings, Markers and Targets ### Lot Information Lot 1 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. Renewal: Services will be required beyond the end of this contract. The commercial structure they will take is to be decided. ## Key Details | Field | Value | | --- | --- | | Publication source | Find A Tender Service | | Latest notice | https://www.find-tender.service.gov.uk/Notice/001663-2026 | | Notice type | Tender Notice | | Procurement type | Standard | | Procurement category | Services | | Procurement method | Selective | | Procurement method details | Competitive procedure with negotiation | | Tender suitability | Not specified | | Awardee scale | Large | | All stages | Tender, Award | ## Dates | Field | Value | | --- | --- | | Publication date | 9 Jan 2026 | | Submission deadline | 8 Jul 2022 | | Future notice date | Not specified | | Award date | 22 May 2025 | | Contract period | Not specified | | Recurrence | Not specified | ## Values | Field | Value | | --- | --- | | Tender value | £142,400,000 | | Lots value | £142,400,000 | | Awards value | Not specified | | Contracts value | £182,168,609 | ## Status | Field | Value | | --- | --- | | Tender status | Complete | | Lots status | Cancelled | | Awards status | Active | | Contracts status | Active | ## Buyer | Field | Value | | --- | --- | | Main buyer | MINISTRY OF DEFENCE | | Locality | PORTSMOUTH | | Post town | Portsmouth | | Postcode | P01 3LU | | 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 | TLC North East (England), TLD North West (England), TLJ South East (England), TLK South West (England), TLL Wales, TLM Scotland | ## Supplier | Field | Value | | --- | --- | | Number of suppliers | 1 | | Supplier names | BRIGGS MARINE CONTRACTORS | ## CPV Codes ### Divisions - 34 - Transport equipment and auxiliary products to transportation - 44 - Construction structures and materials; auxiliary products to construction (except electric apparatus) - 45 - Construction work - 50 - Repair and maintenance services - 63 - Supporting and auxiliary transport services; travel agencies services - 98 - Other community, social and personal services ### Codes - 34512000 - Ships and similar vessels for the transport of persons or goods - 34513350 - Dive-support vessels - 34515100 - Marker buoys - 34521000 - Specialised boats - 44540000 - Chain - 45262421 - Offshore mooring work - 50240000 - Repair, maintenance and associated services related to marine and other equipment - 50246200 - Buoy maintenance services - 63522000 - Ship brokerage services - 63724000 - Navigation services - 63724300 - Buoy positioning services - 63724310 - Buoy marking services - 63726900 - Anchor handling services - 98360000 - Marine services - 98362100 - Marine-base support services - 98363000 - Diving services ## Release History - 9 Jan 2026 at 07:45 - TenderUpdate - Tender Notice - https://www.find-tender.service.gov.uk/Notice/001663-2026 - 26 Jun 2025 at 10:18 - Award - Award Notice - https://www.find-tender.service.gov.uk/Notice/035335-2025 - 4 Jul 2022 at 09:27 - TenderUpdate - Tender Notice - https://www.find-tender.service.gov.uk/Notice/018100-2022 - 8 Jun 2022 at 11:16 - Tender - Tender Notice - https://www.find-tender.service.gov.uk/Notice/015752-2022 ## Notice URLs - http://www.contracts.mod.uk - https://contracts.mod.uk/web/login.html ## 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-03442d. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-h6vhtk-03442d.json.