Submarines

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641 results matching, submarines

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Stale Pre-tenderPublished 24 October 2025
In-Service Support of Platform Data Management Systems
Defence Equipment and Support : Ministry of DefenceNavigation equipment
£16,666,666.67
Closed tender, closed 21 November 2025Published 15 October 2025
715173450 - Purification Equipment
Ministry of DefenceAttack submarine nuclear fuelled
£41,666,666
Expired contract, expired 31 May 2026Published 17 September 2025
Pre-Qualification Test Transformer – High Voltage (HV) Supply
ORE CatapultSupplier(s) TransVolt Power SolutionsHigh voltage installation workAwarded 17 September 2025
£1,114,992.13
Closed tender, closed 2 October 2025Published 27 August 2025
FW Services - Specialist Engineering Services 1030
Scottish Hydro Electric Power Distribution plcEngineering services
£55,000,000
Closed tender, closed 20 September 2025Published 23 August 2025
715173450 - Purification Equipment (PE) Request for Information (RFI)
Ministry of Defence
£41,666,666
Stale Pre-tender, closed 19 September 2025Published 11 August 2025
715173450 - Purification Equipment
Ministry of DefenceRepair and maintenance services
£41,666,666
Closed tender, closed 31 July 2026Published 31 July 2025
Supply and Support Single Use Air Purification Equipment
Ministry of Defence
£22,138,825
Closed tender, closed 23 August 2025Published 31 July 2025
715409453 - Personal Location Transmitters (PLTs) - Request for Information (RFI)
Ministry of Defence
Value not stated
Stale Pre-tender, closed 22 August 2025Published 30 July 2025
715409453 - Personal Location Transmitters (PLTs)
Ministry of DefenceSubmarines
£2,083,333
Stale Pre-tenderPublished 29 July 2025
Supply and Support for Single Use Air Purification Equipment-UK4
Ministry of DefenceOxygenation equipment
£22,138,825.83
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Awarded contract, expiring 2 November 2032Published 28 July 2025
In-Service Support of Ships Compass Transmission (SCTS) and Meteorological Data Gathering System (MDGS)
Defence Equipment and Support : Ministry of DefenceSupplier(s) Systems Engineering and Assessment LimitedRepair and maintenance services of warshipsAwarded 28 July 2025
£8,333,333.33
Stale Pre-tenderPublished 28 July 2025
In-Service Support of Ships Compass Transmission (SCTS) and Meteorological Data Gathering System (MDGS)
Defence Equipment and Support : Ministry of DefenceRepair and maintenance services of warships
£8,333,333.33
Awarded contract, expiring 31 March 2032Published 21 July 2025
715070450 SONAR 2054IR IN-SERVICE SUPPORT (ISS)
Defence Equipment and Support : Ministry of DefenceSupplier(s) Lockheed Martin UK LtdSonarsAwarded 21 July 2025
£8,863,833
Expired contract, expired 1 December 2025Published 14 July 2025
712928451: Site Specific Development Reports - CF Awarded Contract
Ministry of DefenceSupplier(s) Jacobs U.K. LimitedConstruction consultancy servicesAwarded 12 May 2025
£1,102,287.12
Open tender, closing 31 July 2028Published 11 July 2025
714964450 - Engineering Delivery Partner (EDP) Future Contract
Ministry of Defence
£2,500,000,000
Closed tender, closed 15 August 2025Published 11 July 2025
Royal Navy Submarine Museum- Waterbus Jetty Works
National Museum of the Royal NavyConstruction work for water projects
£100,000
Stale Pre-tenderPublished 10 July 2025
714964450 - Engineering Delivery Partner (EDP) Future Contract - PD1 - Pipeline Notice (UK 1)
Defence Equipment and Support : Ministry of DefenceMiscellaneous engineering services
£2,500,000,000
Stale Pre-tenderPublished 10 July 2025
FW Services - Specialist Engineering Services 1030
Scottish Hydro Electric Power Distribution plcEngineering design services
£55,000,000
Closed tender, closed 18 July 2025Published 7 July 2025
Replacement Secondary Submarine Radar and Support
Defence Equipment and Support : Ministry of DefenceRadar
£800,000
Awarded contractPublished 27 June 2025
Platform Data Management Systems 4 (PDM4) Obsolescence Recovery
Ministry of DefenceSupplier(s) Ultra MaritimeParts of radio and radar equipmentAwarded 31 December 2024
£3,000,000

Top buyers

Buyers ranked by total contract award volume for submarines.

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BuyersCountValue

Ministry of Defence
464
£24.1bn
Defence Equipment and Support : Ministry of Defence
126
£3.5bn
National Museum of the Royal Navy
24
£1.6m
EirGrid plc
11
£3.7m
Scottish Hydro Electric Power Distribution plc
10
£130.0m
Department for Transport (DFT)
9
£21.8m
Interconnector Services Limited
9
£6.3m
National Grid Electricity Transmission plc
5
£7.9bn
LEIDOS SUPPLY, LIMITED
5
£12.0m
Crown Commercial Service
4
£1.5m

Trend over time

Notice volume for submarines published over time.

Top suppliers

Suppliers ranked by total contract award volume for submarines.

View all suppliers

SuppliersCountValue

Devonport Royal Dockyard Ltd
13
£4.6bn
BAE Systems Surface Ships Limited
11
£226.7m
BABCOCK INTEGRATED TECHNOLOGY LIMITED
10
£429.2m
Defence Support (International) Ltd
8
£1.5m
CMCA UK Limited
8
£629.7k
Thales Uk Ltd
7
£5.9bn
Carbon60 Limited
7
£26.2m
Analox Military Systems Ltd
6
£66.5m
Lockheed Martin UK Ltd
5
£84.3m
Babcock International Group plc
5
£56.0m

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