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Published 5 Jan 2026, 23:58 GMT

Official UK procurement notice

Project Caesium · UK public procurement notice

Official notice

Authority: Ministry of Defence (Central government)

Below threshold - without competitionDefence & security
Sectors: Research & Development (R&D) (73) Delivery: UK
Awarded value£185,359published contract · exc. VAT
Awarded 5 Jan 2026no call for competition
Awarded to NPL Management Limited

What is being bought

Published requirement description

Caesium will provide world leading specialist research and advice from NPL to understand the potential of UK sovereign quantum clocks to deliver operational advantage to Navy and inform capability requirements and decision making in NAVY. NPL will be providing 3 reports by the end of the Financial Year.

The lotProcurement structure

single lot · no lot value published
Lot #1Awarded
Delivery: UK
73410000 Military research and technology

Procedure terms & legal framework

From the official record
Procedure method
Below threshold - without competition
Legal basis
UKPGA · 2023/54 Procurement Act 2023
Notice status
Awarded without competition
Procurement threshold
Unspecified in notice
Regulatory regime
Defence & security
Commercial structure
Stand-alone contract (no framework)
Competition type
Direct award (no call for competition)
GPA / WTO covered
Unspecified in notice
Recurring procurement
Unspecified in notice
First published
5 Jan 2026, 23:58 GMT
Last source update
6 May 2026, 13:02 BST
Authority reference
715720461
FTS notice number
2026/S 000-041500
Latest notice
Contract termination notice (UK11)
Delivery area
UK
Official registry OCID
ocds-h6vhtk-05ffb2 Find a Tender

Notice history

2 events · 2 releases on Find a Tender · since 5 Jan 2026
  1. Contract details notice published
    5 Jan 2026, 23:58 GMT
    UK7
  2. Contract termination notice published
    6 May 2026, 13:02 BST
    UK11

Commercial outcome & contract awards

Published awards, contracts and bid statistics, not a forecast
Awards 1
Awarded value £185,3591 contract exc. VAT
Contracts signed 1latest 5 Jan 2026
Awarded toValueDateStatus
NPL Management Limited£185,359 †—Awarded

Contracts

  • Contract 1 · NPL Management Limited

    Signed
    5 Jan 2026
    Value
    £185,359
    Period
    5 Jan 2026 – 31 Mar 2026
    Status
    terminated
    Final value
    £185,359
    Termination
    contractCompleted

Contracting authority & participating public bodies

Ministry of Defence

Contracting authorityPublic authority - central government GB-PPON: PHVX-4316-ZVGZ Leach Building, HMS Excellent, Whale Island, Portsmouth, South East, PO2 8BYContact email

Bidders & participating suppliers

1 commercial party on the notice
  • NPL Management LimitedAwarded supplierGB-COH: 02937881 National Physical Laboratory, Hampton Road, Teddington, London, TW11 0LWContact email

Official documents & specifications (2)

Official links; attachments are not copied

Notices published for this procedure