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In deliveryUnited KingdomServices£10,160,000Add to pipeline

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

Awarded to NESC Limited

Submarine Delivery Agency(buyer)

Published
Published 10 February 2026
Deadline
Closed 16 July 2026

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Overview

The Submarine Delivery Agency is procuring an integrated Project Management Service to support the continued authorisation and safe operation of HM Naval Base Devonport, valued at approximately £10.16 million. The service provider will deliver nuclear safety case management, Periodic Review of Safety support, Nuclear Authorised Documentation Review Programme delivery, Intelligent Customer assurance, and knowledge transfer activities to ensure the Naval Base Commander's Site Safety Justification documentation remains compliant with MoD Authorisation Conditions, MoD Naval Nuclear Safety Principles, and Defence Nuclear Safety Regulator standards. The contract requires demonstrated expertise in nuclear safety case management and experience operating within military operational environments subject to nuclear safety regulation.

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Key details

Country
United Kingdom
Status
In delivery
Category
Services
Estimated value
£10,160,000
Procedure
Competitive flexible procedure
Rules
Procurement Act 2023
SME suitable
Yes
Published
10 February 2026
Deadline
Closed
Classification (CPV)
Technical support servicesProject management consultancy servicesSafety consultancy servicesNuclear safety services

Award outcome

Awarded value
£3,963,027
Award date
19 August 2026
Contract period
1 November 2026 → 31 October 2029
Contract length
3 years
Could run to
31 October 2032
Against estimate
61% below
Bids received
7
Winner
  • NESC Limited

This contract ends on 31 October 2029, or 31 October 2032 if every extension is used.

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About the winner

NESC Limited

Based in
Plymouth
Public contracts won
1
Across UK and EU notices

No other contract from Submarine Delivery Agency under this supplier name in Skim's records.

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Competition and scoring

Bids received

7

4 from SMEs

Open and restricted tenders in Architectural, construction, engineering and inspection services drew a median of 5 bids over the last 24 months; 18% received only one.

How bids were scored

Price 0% · Quality 100%

  • Weighted100%

Price and cost criteria in black, quality in blue.

Market context

Typical award in Architectural, construction, engineering and inspection services

£100,000

Median of 10,822 awards in the last 24 months

This award is 39.6× the median.

Submarine Delivery Agency in the last 12 months

13

contracts awarded, worth £18,445,836 in total

See their procurement profile →

Recent awards in Architectural, construction, engineering and inspection services

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Notice history

Every published notice in this contracting process, newest first.

  1. Contract

    5 November 2026

  2. Contract

    21 August 2026

  3. Tender Update

    15 April 2026

  4. Contract Notice

    13 April 2026

  5. Prior Information Notice

    10 February 2026

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