Buyer profile
Submarine Delivery Agency
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Total contracts
44
Known spend
£1bn
43 disclosed
Average value
£24m
Per contract
Active suppliers
10
Last 5 years
Top suppliers
Last 5 years- 1
M Subs Ltd
£24m
- 2
L3Harris Mapps Limited
£84m
- 3
Abbott Risk Consulting Limited,
£4m
- 4
Thomas Telford Ltd
2 winslatest 08 Jan 2026£47,267
- 5
Think Project UK Ltd
£82m
- 6
Nortrop Grumman UK Limited
£29m
- 7
AMETEK SCP
1 winlatest 28 Apr 2026£18m
- 8
Nesc Limited
1 winlatest 20 Aug 2026£4m
- 9
Devonport Royal Dockyard Limited
£3m
- 10
Marine Rescue Technologies Ltd
£1m
What they buy
By CPV categoryBusiness servicesCPV 79
1 contract · £90,000
Tender activity
Notices published per month — last 24 months
All contracts (44)
715409453 - Personal location transmitters (plts)
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
UK3 - planned procurement notice
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
715907497 - Specialist hydraulics equipment (SHE) - UK1
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
Open framework for boat recognised organisations
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
715724483_V2 the provision of nuclear site safety justification (NSSJ) services at HMNB devonport
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
715860474 - Submarine switchgear and distribution - UK2
The Submarine Delivery Group (SDG), Platform Equipment Delivery Team (PEDT), has an enduring requirement to provide support for Submarine Switchgear and Distribution equipment serv
UCL SDAC & msc nav arc course
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).
715862522 - Control and indication (C&I) - UK2
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
715862521 - Hydraulics supply and support (HSS) - UK2
The HSS requirement supports hydraulic equipment fitted across Royal Navy submarine and surface ship platforms. These systems perform mission-critical and safety-critical functions
UK5 - transparency notice
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
UK4 - tender notice
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
Scylla 2A interim
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
Cetus trials and evaluation
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
Provision of legal services to the devonport submarine infrastructure team
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
713431451-SUpply and support for general valves and Actuators-UK4
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
715862519 - Atmosphere monitoring system (AMS)
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
Cables and connectors - PN
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
In-service support for main circulating water pumps (MCWP)
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
Electrical conversion & support (ECS) - UK1
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
715859476 - Specialist valves - UK1
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