System operational · UK tenders

Buyer profile

Submarine Delivery Agency

otherUKK41englandGB

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Total contracts

44

Known spend

£1bn

43 disclosed

Average value

£24m

Per contract

Active suppliers

10

Last 5 years

Open0Awarded26Closed5

Top suppliers

Last 5 years
  1. 1

    M Subs Ltd

    3 winslatest 25 Jun 2026CH 05874602

    £24m

  2. 2

    L3Harris Mapps Limited

    2 winslatest 07 Jul 2026CH 05341813

    £84m

  3. 3

    Abbott Risk Consulting Limited,

    2 winslatest 29 Jul 2025CH SC234532

    £4m

  4. 4

    Thomas Telford Ltd

    2 winslatest 08 Jan 2026

    £47,267

  5. 5

    Think Project UK Ltd

    1 winlatest 25 Sept 2025CH 05430351

    £82m

  6. 6

    Nortrop Grumman UK Limited

    1 winlatest 21 May 2025CH 05989428

    £29m

  7. 7

    AMETEK SCP

    1 winlatest 28 Apr 2026

    £18m

  8. 8

    Nesc Limited

    1 winlatest 20 Aug 2026

    £4m

  9. 9

    Devonport Royal Dockyard Limited

    1 winlatest 15 Dec 2025CH 02077752

    £3m

  10. 10

    Marine Rescue Technologies Ltd

    1 winlatest 11 Aug 2026CH 04202403

    £1m

What they buy

By CPV category
  • Business servicesCPV 79

    1 contract · £90,000

Tender activity

Notices published per month — last 24 months

17 active months
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All contracts (44)

S
ocds-h6vhtk-056979 · award

715409453 - Personal location transmitters (plts)

Submarine Delivery Agency
South West

Personal Location Transmitters (PLTs), formerly referred to as Personal Locator Beacons (PLBs), are man-overboard identification and location systems carried on all Royal Navy subm

£Up to £1,306,400
⏱ 23 Jan 2026
Posted · 3w agoView details →
S
ocds-h6vhtk-0667d4 · award

UK3 - planned procurement notice

Submarine Delivery Agency
South West

UNIFORM / SPECIALIST CLOTHING SEAMSTER CONTRACT Royal Navy and Royal Marine (RN/RM) Service Personnel are required to meet the standards of dress detailed in Naval Personnel Manage

£Up to £340,000
⏱ 19 Jun 2026
Posted · 1mo agoView details →
S
ocds-h6vhtk-06edda · planning

715907497 - Specialist hydraulics equipment (SHE) - UK1

Submarine Delivery Agency
South West

This Pipeline Notice relates to a potential future requirement by the Submarine Delivery Agency (SDA) for Specialised Hydraulic Equipment (SHE). The information in this UK1 Pipelin

£Up to £66,666,667
Posted · 1mo agoView details →
S
ocds-h6vhtk-0656c7 · award

Open framework for boat recognised organisations

Submarine Delivery Agency
South West

It is the Naval Authority’s role to provide safety certification for all MOD Shipping, which includes over 2500 boats less than 24 metres in length. To do this, Naval Authorities d

£Up to £122,500
⏱ 17 Mar 2026
Posted · 1mo agoView details →
S
ocds-h6vhtk-064c87 · award

715724483_V2 the provision of nuclear site safety justification (NSSJ) services at HMNB devonport

Submarine Delivery Agency
South West

Description of the Procurement The fundamental aim of the Naval Site Safety Justification (NSSJ) contract is to procure the provision of an integrated Project Management Service (P

£Up to £3,963,027
⏱ 16 Jul 2026
Posted · 1mo agoView details →
S
ocds-h6vhtk-06a0eb · planning

715860474 - Submarine switchgear and distribution - UK2

Submarine Delivery Agency
South West

The Submarine Delivery Group (SDG), Platform Equipment Delivery Team (PEDT), has an enduring requirement to provide support for Submarine Switchgear and Distribution equipment serv

£Up to £11,727,500
Posted · 2mo agoView details →
S
ocds-h6vhtk-0659c0 · award

UCL SDAC & msc nav arc course

Submarine Delivery Agency
South West

The intent is for the contract(s) to be awarded under the Procurement Act 2023 regulations with justification sought for a Single Source to the University College of London (UCL).

£Up to £463,524
Posted · 2mo agoView details →
S
ocds-h6vhtk-06a100 · planning

715862522 - Control and indication (C&I) - UK2

Submarine Delivery Agency
South West

The future requirement will provide support for Control and Indication (C&I) equipment used across the UK submarine fleet and surface ships. As existing support arrangements approa

£Up to £66,666,667
Posted · 2mo agoView details →
S
ocds-h6vhtk-06aa9a · planning

715862521 - Hydraulics supply and support (HSS) - UK2

Submarine Delivery Agency
South West

The HSS requirement supports hydraulic equipment fitted across Royal Navy submarine and surface ship platforms. These systems perform mission-critical and safety-critical functions

£Up to £45,833,333
Posted · 2mo agoView details →
S
ocds-h6vhtk-06d447 · award

UK5 - transparency notice

Submarine Delivery Agency
South West

The Naval Authority provides Computational Fluid Dynamics (CFD) assessments for HM Ships and Submarines; this supports the safety certification delegated by the Defence Maritime Re

£Up to £199,166
Posted · 2mo agoView details →
S
ocds-h6vhtk-068e6c · award

UK4 - tender notice

Submarine Delivery Agency
South West

Enabling Contract of Marine Foam Fenders for HMNB Devonport. The Authority seeks to establish a 3 year enabling contract for the supply and delivery of foam fenders to meet operati

£Up to £810,000
⏱ 26 May 2026
Posted · 3mo agoView details →
S
ocds-h6vhtk-06bd28 · award

Scylla 2A interim

Submarine Delivery Agency
South West

This contract will cover the activities required to resolve key issues identified during the previous trial carried out by the supplier, and prepare the hardware for any future tri

£Up to £3,600,000
Posted · 3mo agoView details →
S
ocds-h6vhtk-050312 · award

Cetus trials and evaluation

Submarine Delivery Agency
South West

Defence and security - necessary to enhance or maintain operational capability, effectiveness, readiness for action, safety or security of the armed forces The SDA require Trials a

£Up to £6,680,147
Posted · 3mo agoView details →
S
ocds-h6vhtk-06b669 · award

Provision of legal services to the devonport submarine infrastructure team

Submarine Delivery Agency
servicesSouth West

Provision of legal services to the Devonport Submarine Infrastructure Team for Contract drafting and management in the complex NEC4, SS, nuclear environment Contract based on a Lim

£Up to £90,000
Posted · 3mo agoView details →
S
ocds-h6vhtk-066755 · tenderUpdate

713431451-SUpply and support for general valves and Actuators-UK4

Submarine Delivery Agency
South West

This contract is looking for a prime contractor for the provision of spares, repairs, technical support and Obsolescence for the following types of Submarine Valves, Actuators and

£Up to £65,000,000
⏱ 26 Jun 2026
Posted · 4mo agoView details →
S
ocds-h6vhtk-06aa9e · planning

715862519 - Atmosphere monitoring system (AMS)

Submarine Delivery Agency
South West

This Pipeline Notice relates to a potential future requirement by the Submarine Delivery Agency (SDA) for Atmosphere Monitoring Systems (AMS). This Pipeline Notice is published in

£Up to £30,833,333
Posted · 4mo agoView details →
S
ocds-h6vhtk-06a873 · planning

Cables and connectors - PN

Submarine Delivery Agency
South West

The primary aim of this procurement is to establish a contract that ensures the continued supply, technical support and post‑design services for Pressure Hull Glands (PHG), Cable H

£Up to £16,666,666
Posted · 4mo agoView details →
S
ocds-h6vhtk-05e060 · tender

In-service support for main circulating water pumps (MCWP)

Submarine Delivery Agency
South West

The planned procurement shall provide in-service support for Main Circulating Water Pumps (MCWPs) on board naval submarines. The primary body of work required will be the repair an

£Up to £21,000,000
⏱ 10 Jul 2026
Posted · 4mo agoView details →
S
ocds-h6vhtk-06a0fd · planning

Electrical conversion & support (ECS) - UK1

Submarine Delivery Agency
South West

The Submarine Delivery Agency (SDA) has a requirement for the Supply and Support of Electrical Conversion & Support (ECS) Equipment for UK Submarines and Surface Ships. The informa

£Up to £16,666,667
Posted · 4mo agoView details →
S
ocds-h6vhtk-06a0f4 · planning

715859476 - Specialist valves - UK1

Submarine Delivery Agency
South West

The Submarine Delivery Agency (SDA) has a requirement for the Supply and Support of Specialist Valves for UK Submarines and Surface Ships. The information in this UK1 Pipeline Noti

£Up to £70,000,000
Posted · 4mo agoView details →