Submarines

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641 Submarines notices found

Stale Pre-tenderPublished 24 October 2025
In-Service Support of Platform Data Management Systems
Defence Equipment and Support : Ministry of DefenceGBP 16,666,666.67Navigation equipment
Closed tenderPublished 15 October 2025
715173450 - Purification Equipment
Ministry of DefenceGBP 41,666,666Closing 21 November 2025Attack submarine nuclear fuelled
Expired contract
Pre-Qualification Test Transformer – High Voltage (HV) Supply
ORE CatapultSupplier(s) TransVolt Power SolutionsGBP 1,114,992.13Awarded 17 September 2025Expiring 31 May 2026Voltage transformers
Closed tenderPublished 27 August 2025
FW Services - Specialist Engineering Services 1030
Scottish Hydro Electric Power Distribution plcGBP 55,000,000Closing 2 October 2025Engineering services
Closed tenderPublished 23 August 2025
715173450 - Purification Equipment (PE) Request for Information (RFI)
Ministry of DefenceGBP 41,666,666Closing 20 September 2025
Stale Pre-tenderPublished 11 August 2025
715173450 - Purification Equipment
Ministry of DefenceGBP 41,666,666Closing 19 September 2025Repair and maintenance services
Closed tenderPublished 31 July 2025
Supply and Support Single Use Air Purification Equipment
Ministry of DefenceGBP 22,138,825Closing 31 July 2026
Closed tenderPublished 31 July 2025
715409453 - Personal Location Transmitters (PLTs) - Request for Information (RFI)
Ministry of DefenceClosing 23 August 2025
Stale Pre-tenderPublished 30 July 2025
715409453 - Personal Location Transmitters (PLTs) - UK4
Ministry of DefenceGBP 2,083,333Closing 22 August 2025Submarines
Stale Pre-tenderPublished 29 July 2025
Supply and Support for Single Use Air Purification Equipment-UK4
Ministry of DefenceGBP 22,138,825.83Oxygenation equipment
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Awarded contract
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 LimitedGBP 8,333,333.33Awarded 28 July 2025Expiring 2 November 2032Repair and maintenance services of warships
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 DefenceGBP 8,333,333.33Repair and maintenance services of warships
Awarded contract
715070450 SONAR 2054IR IN-SERVICE SUPPORT (ISS)
Defence Equipment and Support : Ministry of DefenceSupplier(s) Lockheed Martin UK LtdGBP 8,863,833Awarded 21 July 2025Expiring 31 March 2032Sonars
Expired contract
712928451: Site Specific Development Reports - CF Awarded Contract
Ministry of DefenceSupplier(s) Jacobs U.K. LimitedGBP 1,102,287.12Awarded 12 May 2025Expiring 1 December 2025Construction consultancy services
Open tenderPublished 11 July 2025
714964450 - Engineering Delivery Partner (EDP) Future Contract
Ministry of DefenceGBP 2,500,000,000Closing 31 July 2028
Closed tenderPublished 11 July 2025
Royal Navy Submarine Museum- Waterbus Jetty Works
National Museum of the Royal NavyGBP 100,000Closing 15 August 2025Construction work for water projects
Stale Pre-tenderPublished 10 July 2025
714964450 - Engineering Delivery Partner (EDP) Future Contract - PD1 - Pipeline Notice (UK 1)
Defence Equipment and Support : Ministry of DefenceGBP 2,500,000,000Miscellaneous engineering services
Stale Pre-tenderPublished 10 July 2025
FW Services - Specialist Engineering Services 1030
Scottish Hydro Electric Power Distribution plcGBP 55,000,000Technical services
Closed tenderPublished 7 July 2025
Replacement Secondary Submarine Radar and Support
Defence Equipment and Support : Ministry of DefenceGBP 800,000Closing 18 July 2025Radar
Awarded contract
Platform Data Management Systems 4 (PDM4) Obsolescence Recovery
Ministry of DefenceSupplier(s) Ultra MaritimeGBP 3,000,000Awarded 31 December 2024Parts of radio and radar equipment

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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