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PROCUREMENT OPPORTUNITY

Nuclear Security Contract - UK5

Department for Energy Security & Net Zero · Transparency notice on Find a Tender

Tender information last checkedLast checked 25 Sept 2026, 15:21.

Opportunity overview

The Nuclear Security Contract will provide DESNZ with a sustained framework for accessing UKNNL’s specialist nuclear security expertise until March 2029, supporting priority work across HALEU security, maritime security, Security by Design, advanced nuclear technology analysis, and international engagement through research, modelling, technical advice, workshops, and policy Support

Awarded to

Amounts belong to published awards or contracts. Where several suppliers share one value, it is labelled as shared and is not a supplier-specific allocation.

Classification

No classification was supplied.

Lots

  • Lot 1Value not stated

Documents and notices

Published notice details

Additional information from the published procurement release. Fields appear only when supplied by the source; check the original notice and tender documents before acting.

Scope, procedure and submissions

Id
ocds-h6vhtk-077aa7
Status
complete
Procurement Method
direct
Procurement Method Details
Direct award
Why this procedure was chosen
Direct award is recommended because UKNNL, as the UK’s national nuclear laboratory, has unique access to sensitive information, historic datasets, specialist facilities, and nuclear security expertise essential to delivering this programme, including support across HALEU, maritime security, advanced nuclear technologies, and international engagement. The contracting authority (DESNZ) is relying on the following justification from schedule 5 of the Procurement Act 2023: 5: The following conditions are met in relation to the public Contract- (a) due to a particular supplier having intellectual property rights or other exclusive rights, only that supplier can supply the goods, services or works required, and (b) there are no reasonable alternatives to those goods, services or works. 6: The following conditions are met in relation to the public contract— (a) due to an absence of competition for technical reasons, only a particular supplier can supply the goods, services or works required, and (b) there are no reasonable alternatives to those goods, services or works. Paragraph 5 and 6: This justification applies because UKNNL holds a unique position in the market, developed through decades of knowledge and expertise in this subject matter, including experience gained by UKNNL and predecessor HMG-sponsored organisations such as BNFL. This depth of expertise enables UKNNL to collaborate effectively with academia, private organisations in the nuclear sector, and central government departments. As HMG’s Subject Matter Expert in nuclear fuels and materials, UKNNL is uniquely placed to provide DESNZ with advisory support on matters relating to the secure treatment and management of nuclear materials. There are no reasonable alternatives capable of providing the required services to HMG with the same level of assurance and confidence.

Legal basis

Id
2023/54
Scheme
UKPGA

Procedure reasons

Entry 1
Id
singleSuppliersTechnicalReasons
Entry 2
Id
defenceSecurityAirMaritimeTransport

Lots and requirements

Entry 1
Id
1
Status
complete

Published documents

Entry 1
Id
conflictOfInterest
Document Type
conflictOfInterest
Description
Not published

Buyer, suppliers and contacts

Organisation 1
Name
Department for Energy Security & Net Zero
Id
GB-PPON-PDHQ-2163-WYMH

Identifier

Scheme
GB-PPON
Id
PDHQ-2163-WYMH

Address

Street Address
55 Whitehall
Locality
London
Postal Code
SW1A 2HP
Country
GB
Country Name
United Kingdom
Region
UKI32

Contact

Name
Paul McCarrick

Roles

buyer

Details

Classifications

Entry 1
Scheme
UK_CA_TYPE
Id
publicAuthorityCentralGovernment
Description
Public authority - central government
Organisation 2
Name
United Kingdon National Nuclear Laboratory
Id
GB-COH-03857752

Identifier

Scheme
GB-COH
Id
03857752

Address

Street Address
Chadwick House, Warrington Road, Birchwood Park
Locality
Warrington
Postal Code
WA3 6AE
Country
GB
Country Name
United Kingdom
Region
UKD61

Contact

Telephone
+441925933744

Roles

supplier

Details

Scale
large
Vcse
No

Award information

Award 1
Id
1
Title
National Security Contract
Status
pending
Main Procurement Category
services
Above Threshold
Yes

Items

Item 1
Id
1
Related Lot
1

Additional Classifications

Entry 1
Scheme
CPV
Id
98113100
Description
Nuclear safety services

Delivery locations

Entry 1
Region
UK
Country
GB
Country Name
United Kingdom

Value

Including VAT
360,000
Amount
300,000
Currency
GBP

Suppliers

Supplier 1
Id
GB-COH-03857752
Name
United Kingdon National Nuclear Laboratory

Contract period

Starts
12 Oct 2026, 00:00
Ends
31 Mar 2027, 23:59

Related lots

1

Documents

Entry 1
Id
091026-2026
Document Type
awardNotice
Notice Type
UK5
Description
Transparency notice on Find a Tender
Published
25 Sept 2026, 14:03
Format
text/html

Milestones

Entry 1
Id
1
Type
futureSignatureDate
Due
9 Oct 2026, 23:59
Status
scheduled

Recorded locations

  • Buyer location · London · UKI32 · SW1A 2HP · United Kingdom

Notice and amendment history

1 published notice version reviewed by ProcuraAxis.

1 VERSION
  1. 091026-2026Transparency notice on Find a Tender ·