# Defence Marine Services - Support to In-Port Marine Services and Delivery of a Vessel Replacement Programme AC

> A sourced UK public sector contract award published by Ministry of Defence.

## Key facts

- Buyer: [Ministry of Defence](/buyers/ministry-of-defence/contract-awards)
- Supplier: [Serco Limited](/suppliers/serco/public-sector-contract-awards)
- Award value: £878,000,000
- Tender value: £878,000,000
- Award date: 25 April 2025
- Published: 10 June 2025
- Contract start: 25 April 2025
- Contract end: 30 September 2035
- Stage: awarded
- Procurement category: services
- Notice ID: 9db25e1f-ed8b-42f6-ac3f-1034e94c4d43-848905
- OCID: ocds-b5fd17-93126d46-feac-498b-a593-6d4d1a81f1ae

## Description

Award of Contract under DMS-NG for the Defence Marine Services - Support to In-Port Marine Services and Delivery of a Vessel Replacement Programme contract\. The contract encompasses two elements: the support to In-Port Marine Services; and delivery of a vessel replacement programme\. The duration of the contract is 120 months\. The services will be provided principally across UK HM Naval Bases at the Clyde, Devonport, Portsmouth, as well as Glen Mallan, Loch Ewe, Loch Striven, and Campbeltown, and other areas in UK waters\. The operation and maintenance of UK Ministry of Defence \(MoD\) owned vessels used for the provision of the services, under a Government Owned Contractor Operated \(GOCO\) agreement, ensuring the availability of In-Port Marine Services\. The specification for the services includes the following: - Towage services to entitled vessels\. - HM Dockyard movements covered by duty & standby service\. - Passenger transportation- Stores & liquid transportation\. - Transport & store munitions\.- Waste services alongside, at anchor / mooring buoy\. - Tiers 1 & 2 Dockyard pollution response\. - Support military training, exercises, trials and operations \(SMTE\) - Support to Emergencies\. - Additional maritime support\. The delivery of a vessel replacement programme to the Royal Navy, for the procurement and introduction into service of Commercial off the Shelf \(COTS\) vessels on behalf of the UK MoD\. Vessels to be built and maintained to UK Flag and Class classification standards and introduced into service in accordance with an agreed Integrated Test Evaluation and Acceptance Plan\.

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## Source

[View the original notice on Contracts Finder](https://www.contractsfinder.service.gov.uk/Notice/9db25e1f-ed8b-42f6-ac3f-1034e94c4d43-848905)