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SDA

UK GOVERNMENT PROCUREMENT

Public-sector buyer · United Kingdom

Submarine Delivery Agency

Submarine Delivery Agency is a UK public-sector contracting authority. This profile aggregates its public-record procurement — top suppliers, categories, recent awards, open tenders and expiring contracts.

Data period: 2023-06-17 to 2026-06-17Updated 2026-06-17

£242.7M

Total spend

27

Contract awards

21

Unique suppliers

£9.0M

Avg contract

According to ENKII, Submarine Delivery Agency has awarded 27 contracts worth £242.7M to 21 suppliers between 2023-06-17 and 2026-06-17, at an average contract value of £9.0M, with the top five suppliers holding 90% of contract value.

Top suppliers

Top suppliers to Submarine Delivery Agency

Top-five suppliers hold 90% of contract value — a concentrated market.

SupplierAwardsTotal value
Think Project UK Ltd1£81.9M
L3Harris Mapps Limited1£80.0M
Nortrop Grumman UK Limited1£29.0M
AMETEK SCP1£18.2M
M Subs Ltd1£10.5M
Devonport Royal Dockyard Limited3£8.1M
OCCAM GROUP LTD1£6.3M
Abbott Risk Consulting Limited2£4.1M
Abbott Risk Consulting Limited,1£2.1M
Blacksmiths Group Consulting Ltd2£576K
UCL CONSULTANTS LIMITED1£514K
Price Waterhouse Coopers LLP1£300K
Blacksmiths Group Ltd1£250K
Direct Rail Services Ltd Trading as Nuclear Transport Solutions2£246K
TWI Ltd1£133K
FUTURE PURCHASING CONSULTING LIMITED1£110K
Henry Hill Military Tailorig1£100K
Henry Hill Military Tailoring1£91K
Gilpin Demolition Ltd1£71K
Tyne Gangway Limited1£51K

Procurement categories

What Submarine Delivery Agency buys

Common Procurement Vocabulary (CPV) breakdown of contracts awarded over the reporting period.

35510000

35510000
2 awards£109.0M

72220000

72220000
5 awards£83.0M

34510000

34510000
2 awards£18.3M

73110000

73110000
1 awards£10.5M

79990000

79990000
3 awards£8.1M

35110000

35110000
1 awards£6.3M

98110000

98110000
3 awards£6.2M

80510000

80510000
2 awards£543K

98390000

98390000
2 awards£191K

79980000

79980000
1 awards£133K

63720000

63720000
1 awards£123K

50220000

50220000
1 awards£123K

79410000

79410000
1 awards£110K

45110000

45110000
1 awards£71K

34150000

34150000
1 awards£19K

Recent contracts

Latest Submarine Delivery Agency contracts awarded

The most recently published award notices on Find a Tender and Contracts Finder.

The Provision of Cyber Security Services

Blacksmiths Group Consulting Ltd · 2026-05-12

£288K

UK7 - Contract Details Notice

Henry Hill Military Tailorig · 2026-04-30

£100K

The Provision of Cyber Security Services

Blacksmiths Group Consulting Ltd · 2026-04-28

£288K

715820471 - Pressure Hull Penetrators and Associated Cables and Connectors (PCC)

AMETEK SCP · 2026-04-28

£18.2M

Provision of Cyber Security Services

Blacksmiths Group Ltd · 2026-04-14

£250K

714412450 - A-Class PCSP Batch 1 and ICS Support

L3Harris Mapps Limited · 2026-03-09

£80.0M

UCL SDAC & MSc Nav Arc Course

UCL CONSULTANTS LIMITED · 2026-02-23

£514K

715747450 - 7 Wrarf Brow Requirements

Tyne Gangway Limited · 2026-02-03

£51K

The Provision of NEC4 Training Software

Thomas Telford Ltd · 2026-01-08

£19K

The Provision of Clearance of 4 SLIP

Gilpin Demolition Ltd · 2026-01-08

£71K

PROVISION OF RECEPTION CENTRE SERVICES AT HM NAVAL BASE DEVONPORT - UK5

Devonport Royal Dockyard Limited · 2025-12-15

£2.7M

712533450 -PROVISION OF RECEPTION CENTRE SERVICES AT HM NAVAL BASE DEVONPORT - UK5

Devonport Royal Dockyard Limited · 2025-11-11

£2.7M

PROVISION OF RECEPTION CENTRE SERVICES AT HM NAVAL BASE DEVONPORT - UK5

Devonport Royal Dockyard Limited · 2025-11-05

£2.7M

715634451 - Provision of CEMAR SaaS to manage NEC4 Projects in HMNB Devonport and Rosyth

Think Project UK Ltd · 2025-09-25

£81.9M

The Provision of NEC4 Training

Thomas Telford Ltd · 2025-08-20

£29K

The Provision of Continuation Nuclear Site Safety Justification (NSSJ)

Abbott Risk Consulting Limited · 2025-07-29

£2.0M

715068451 - Category Management Consultancy 2025

FUTURE PURCHASING CONSULTING LIMITED · 2025-07-23

£110K

The Provision of Continuation Nuclear Site Safety Justification (NSSJ) Services at HMNB Devonport

Abbott Risk Consulting Limited · 2025-07-10

£2.0M

Uniform / Specialist Clothing Seamster Contract

Henry Hill Military Tailoring · 2025-06-25

£91K

SDA ISR Enterprise Architecture Transparency Notice

Price Waterhouse Coopers LLP · 2025-06-18

£300K

BIDDING AGAINST THESE SUPPLIERS?

See your match score against Submarine Delivery Agency

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Open opportunities

Open Submarine Delivery Agency tenders

Tenders currently inviting bids. SMEs can respond via the official tender portal.

UK3 - Planned Procurement Notice

Deadline: 2026-06-19

£878K

713431451-Supply and Support for General Valves and Actuators-UK4

Deadline: 2026-06-26

£65.0M

715724483_V2 The Provision of Nuclear Site Safety Justification (NSSJ) Services at HMNB Devonport

Deadline: 2026-07-16

£10.2M

715724483_V2 The Provision of Nuclear Site Safety Justification (NSSJ) Services at HMNB Devonport

Deadline: 2026-07-16

£10.2M

715724483_V2 The Provision of Nuclear Site Safety Justification (NSSJ) Services at HMNB Devonport

£10.2M

Early Market Engagement Notice - NSIGN HMNB(C) - Soft FM

£236.0M

UK1 - Pipeline Notice

£5.9M

In-Service Support for Main Circulating Water Pumps (MCWP)

£21.0M

UK2 - Preliminary Market Engagement notice - Cemar SaaS

£819K

715173450 - Purification Equipment

£41.7M

SDA Platform and Equipment Delivery Team (PEDT) Supplier Engagement

715173450 - Purification Equipment

£41.7M

715409453 - Personal Location Transmitters (PLTs) - UK1

£4.6M

715409453 - Personal Location Transmitters (PLTs) - UK1

£4.6M

Supply and Support for Single Use Air Purification Equipment-UK1

£22.1M

SDA Platform and Equipment Delivery Team (PEDT) Supplier Conference-UK2

A-Class Platform Complex Systems - Batch 2 PMS

£29.0M

A-Class Platform Complex Systems - Batch 1 PMS and ICS

£51.0M

Submarine Delivery Agency - Submarine Disposal Capability: Themed Supplier Engagements

Submarine Delivery Agency - Submarine Disposal Capability: Themed Supplier Engagements

Pipeline

Contracts expiring in the next 12 months

When these contracts end, Submarine Delivery Agency typically re-tenders. SMEs preparing bids 3-6 months ahead win disproportionately often.

715634451 - Provision of CEMAR SaaS to manage NEC4 Projects in HMNB Devonport and Rosyth

Expires: 2026-10-13

£81.9M

The Provision of Continuation Nuclear Site Safety Justification (NSSJ) Services at HMNB Devonport

Expires: 2026-10-31

£2.0M

The Provision of Continuation Nuclear Site Safety Justification (NSSJ) Services at HMNB Devonport

Expires: 2026-10-31

£2.1M

TWI Corporate Membership 2025-2026

Expires: 2027-03-31

£133K

Provision of Cyber Security Services

Expires: 2027-03-31

£250K

The Provision of Cyber Security Services

Expires: 2027-04-30

£288K

Market analysis

Bidding into Submarine Delivery Agency — what to expect

Supplier concentration and timing patterns that shape SME bid strategy.

90%

Top-5 supplier share

63d

Avg response window

39d

Median response window

29mo

Avg contract duration

Frequently asked

Common questions about selling to Submarine Delivery Agency

How much does Submarine Delivery Agency spend on procurement?

Submarine Delivery Agency awarded 27 contracts totalling £242.7M between 2023-06-17 and 2026-06-17, working with 21 unique suppliers. Average contract value is £9.0M.

Who are Submarine Delivery Agency's top suppliers?

The largest suppliers to Submarine Delivery Agency by total award value are Think Project UK Ltd, L3Harris Mapps Limited, Nortrop Grumman UK Limited. The top five suppliers together hold 90% of contract value.

What does Submarine Delivery Agency buy from suppliers?

Submarine Delivery Agency's procurement is concentrated in 35510000, 72220000, 34510000, alongside specialist categories. See the full CPV breakdown below.

How can my business bid for Submarine Delivery Agency contracts?

Submarine Delivery Agency publishes open tenders on Find a Tender and Contracts Finder. ENKII matches your business against live tenders, identifies certifications you'll need, and surfaces frameworks worth applying to. Free Readiness Score in 3 minutes.

What's the typical response window for Submarine Delivery Agency tenders?

Submarine Delivery Agency typically gives suppliers a median of 39 days to respond (average 63 days). Standard contract duration is around 29 months.

Continue reading

Related ENKII resources

Sources & methodology

How this profile is compiled

Analysed by ENKII · Updated 2026-06-17

This profile aggregates public-record procurement data published by the UK Government under the Open Government Licence v3.0. ENKII fetches, deduplicates, and aggregates source records; we don't edit the underlying facts.

Source portals

  • · Find a Tender (find-tender.service.gov.uk)
  • · Contracts Finder
  • · Spend Network
Full methodology — calculations, refresh cadence & caveats

Source records remain subject to Open Government Licence v3.0 attribution. ENKII doesn't warrant accuracy beyond the source portals' own publication.

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