Submarines

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641 Submarines notices found

Awarded contract
Pipeline Repair and Subsea Intervention Club
Mutual Energy LimitedSupplier(s) Equinor Energy ASGBP 550,000Awarded 18 March 2026Expiring 30 April 2031Repair and maintenance services of machinery
Open tenderPublished 12 March 2026
Supply and Support for Valves and their Actuators
Ministry of DefenceGBP 65,000,000Closing 31 August 2027
Stale Pre-tenderPublished 11 March 2026
713431451-Supply and Support for General Valves and Actuators-UK4
Ministry of DefenceGBP 65,000,000Closing 11 March 2026Hull and mechanical spare parts for warships
Awarded contract
A-Class Platform Complex Systems - Batch 1 PMS and ICS
Ministry of DefenceSupplier(s) L3HARRIS MAPPS LIMITEDGBP 80,000,000Awarded 9 March 2026Expiring 30 November 2033Technical support services
Awarded contract
ISO Container Based Temporary Covered Storage Solution at HMNB Clyde
Ministry of DefenceSupplier(s) Beaverfit LtdAwarded 4 March 2026Expiring 31 March 2027Container storage system
Awarded contract
UCL SDAC & MSc Nav Arc Course
Ministry of DefenceSupplier(s) UCL Consultants LtdGBP 514,400Awarded 23 February 2026Expiring 31 December 2027Engineering services
Stale Pre-tenderPublished 10 February 2026
715724483_V2 The Provision of Nuclear Site Safety Justification (NSSJ) Services at HMNB Devonport
Ministry of DefenceGBP 10,160,000Project management consultancy services
Awarded contract
UK5 - Transparency Notice
Defence Equipment and Support : Ministry of DefenceSupplier(s) Applanix CorporationGBP 791,200Awarded 6 February 2026Expiring 31 March 2031Hydrographic surveying services
Awarded contract
708342450 PEDT/0040 Submarine Escape and Survival Equipment (SESE)
Ministry of DefenceSupplier(s) RFD Beaufort LtdGBP 12,623,383.93Awarded 26 November 2025Strategic submarine nuclear fuelled
Awarded contract
Submarine Escape and Survival Equipment (SESE) Contract Award Notice
Ministry of DefenceSupplier(s) RFD Beaufort LtdGBP 12,623,383.93Awarded 10 December 2025Expiring 31 March 2031Survival suits
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Stale Pre-tenderPublished 19 January 2026
Early Market Engagement Notice - NSIGN HMNB(C) - Soft FM
Ministry of DefenceGBP 236,000,000Closing 6 March 2026Catering services
Closed tenderPublished 16 January 2026
RFI-715744465_Support Requirements for Modular Furniture for Ships & Submarines
Ministry of DefenceClosing 12 February 2026
Stale Pre-tenderPublished 15 January 2026
715744465-Support Requirements for Modular Furniture for Ships & Submarines
Defence Equipment and Support : Ministry of DefenceClosing 12 February 2026Modular furniture
Stale Pre-tenderPublished 16 December 2025
715729493 UK1 - Merlin Mk2 Continuing Design Services
Defence Equipment and Support : Ministry of DefenceRepair and maintenance services of helicopters
Expired contract
Royal Navy Submarine Museum- Waterbus Jetty Works
National Museum of the Royal NavySupplier(s) UKI MECHANICAL LTDGBP 60,940Awarded 12 December 2025Expiring 31 March 2026Construction work for water projects
Closed tenderPublished 10 December 2025
715657455- CLS to SMC2
Ministry of DefenceClosing 14 December 2025
Closed tenderPublished 9 December 2025
715409453 - Personal Location Transmitters (PLTs) - UK4
Ministry of DefenceGBP 2,083,333Closing 23 January 2026Attack submarine nuclear fuelled
Stale Pre-tenderPublished 25 November 2025
UK1 - Pipeline Notice
Ministry of DefenceGBP 5,874,339.1Safety consultancy services
Awarded contract
In-Service Support of Platform Data Management Systems
Defence Equipment and Support : Ministry of DefenceSupplier(s) Ultra Electronics Command and Sonar Systems LtdGBP 16,666,666.67Awarded 14 November 2025Expiring 31 December 2035Navigation services
Stale Pre-tenderPublished 13 November 2025
In-Service Support for Main Circulating Water Pumps (MCWP)
Ministry of DefenceGBP 21,000,000Repair, maintenance and associated services related to marine and other 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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