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PROCUREMENT OPPORTUNITY

Managed Security Operations Centre (SOC) and Incident Response Services Agreement

UNITED KINGDOM NATIONAL NUCLEAR LABORATORY LIMITED · Tender notice on Find a Tender

Tender information last checkedLast checked 26 Sept 2026, 18:16.

Opportunity overview

UKNNL is seeking to procure a Managed Security Operations Centre (SOC) and Incident Response service to enhance its cyber security capability and support the protection of its IT estate, digital assets, and sensitive information. UKNNL requires a new partner to manage its Security Operations Centre, to monitor, detect, respond to, and remediate cyber threats across its network. The SOC incorporates people, process, and technology to provide a detect-and-respond capability that better protects the Authority's digital assets and data. The requirement is for a comprehensive Security Operations Centre service, delivering 24/7 monitoring, incident detection, incident response, digital forensic investigation, threat intelligence, and SOC management services. The service will support the identification, analysis, containment, and escalation of cybersecurity threats and incidents affecting the environment, whilst continuously improving security operations and response maturity.

Classification

  • CPV48730000 — Security software package
  • CPV72000000 — IT services: consulting, software development, Internet and support
  • CPV79710000 — Security services

Lots

  • Lot 1£2.5m

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
NNLC748
Status
active
Procurement Method
open
Procurement Method Details
Competitive flexible procedure
Main Procurement Category
services
Above Threshold
Yes
How to submit
This procurement will be conducted electronically via the ProContract eTendering Portal. All communications, clarification questions, document exchanges and tender submissions must be submitted through the portal. Suppliers wishing to participate must be registered on the ProContract eTendering Portal and follow the instructions contained within the procurement documentation. The Procurement Specification Questionnaire (PSQ) and subsequent procurement documents will be issued through the portal in accordance with the Competitive Flexible Procedure described within this notice. Access to the procurement documents is available via the following link: https://procontract.due-north.com/Advert?advertId=04370941-a686-f111-813c-005056b64545 Suppliers are responsible for ensuring their organisation is registered on the Government Central Digital Platform (CDP) and that registration information remains accurate and up to date throughout the procurement process.

Legal basis

Id
2023/54
Scheme
UKPGA

Procedure

Features
The procurement will be conducted using the Competitive Flexible Procedure in accordance with the Procurement Act 2023. The procedure will comprise three mandatory stages and one optional negotiation stage. Suppliers will be assessed through the following stages: Stage 1: Procurement Specification Questionnaire (Shortlisting) Deadline: 17th August 2026 Suppliers will be assessed against UKNNL's technical and service requirements. The five highest-scoring suppliers will progress to Stage 2. In the event of a tie affecting progression to Stage 2, the tie-break methodology set out within the procurement documentation will apply. Stage 2: Supplier Demonstration and Presentation Indicative dates: 24th - 25th August 2026 Suppliers progressing from Stage 1 will be invited to participate in a demonstration and presentation to assess their capability to deliver the Managed Security Operations Centre (SOC) and Incident Response Services Agreement. This stage will be assessed on a pass/fail basis. Suppliers achieving a Pass will progress to Stage 3. Stage 3: Final Tender Submission ITT issue date: 28th August 2026 Tender return date: 22nd September 2026 Suppliers progressing from Stage 2 will be invited to submit a final tender. Full details of the evaluation methodology, award criteria and weightings will be contained within the Invitation to Tender documentation. Stage 4: Negotiation (Optional) UKNNL reserves the right to undertake negotiations with the highest-ranked supplier following completion of Stage 3.

Submission terms

Electronic Submission Policy
allowed

Languages

en

Tender Period

Ends
17 Aug 2026, 10:00

Enquiry period

Ends
10 Aug 2026, 23:59

Expected award period

Ends
20 Aug 2026, 23:59

Lots and requirements

Entry 1
Id
1
Status
active
Has Renewal
Yes
Has Options
Yes

Value

Including VAT
3,000,000
Amount
2,500,000
Currency
GBP

Award criteria

Weighting Description
The contract will be awarded to the supplier submitting the Most Advantageous Tender (MAT). Detailed award criteria, sub-criteria, scoring methodology and any associated weightings will be provided within the Invitation to Tender documentation issued to suppliers progressing to Stage 3 of the Competitive Flexible Procedure.

Criteria

Criterion 1
Type
cost
Name
Commercial Evaluation
Criterion 2
Type
quality
Name
Technical Evaluation
Criterion 3
Type
quality
Name
Social Value

Selection criteria

Criteria

Criterion 1
Type
economic
Description
Full details of the legal and financial conditions of participation are set out within the Procurement Specification Questionnaire (PSQ) and associated procurement documentation.
Criterion 2
Type
technical
Description
The technical capability requirements for this procurement are detailed within the Procurement Specification Questionnaire (PSQ). Suppliers should refer to the procurement documentation for the full participation requirements and evaluation approach.

Suitability

Sme
Yes

Contract period

Starts
1 Nov 2026, 00:00
Ends
31 Oct 2029, 23:59
Max Extent Date
31 Oct 2031, 23:59

Renewal

Description
The contract will be awarded for an initial period of three (3) years, with the option to extend for up to two (2) further periods of twelve (12) months each. Any extension will be exercised at UKNNL's sole discretion and in accordance with the contract terms and applicable legislation.

Options

Description
The contract may include the option for UKNNL to procure additional cyber security services during the contract term where required. Such services may include, but are not limited to: • Enhanced Security Operations (SecOps) services; • Additional threat hunting capabilities; • Enhanced threat intelligence services; • Additional Digital Forensics and Incident Response (DFIR) support; • Additional incident response retainer hours and specialist support; • Cyber security consultancy and advisory services; • Security engineering, optimisation and security tool support; • Additional monitoring, detection and response capabilities; and • Onboarding, integration and support for new systems, networks and security technologies. The exercise of any option will be subject to UKNNL's operational requirements, available funding, the terms of the contract and all applicable procurement legislation.

Items and delivery

Item 1
Id
1
Related Lot
1

Additional Classifications

Entry 1
Scheme
CPV
Id
48730000
Description
Security software package
Entry 2
Scheme
CPV
Id
72000000
Description
IT services: consulting, software development, Internet and support
Entry 3
Scheme
CPV
Id
79710000
Description
Security services

Delivery locations

Entry 1
Region
UK
Country
GB
Country Name
United Kingdom

Published documents

Entry 1
Id
conflictOfInterest
Document Type
conflictOfInterest
Description
Not published
Entry 2
Id
069975-2026
Document Type
tenderNotice
Notice Type
UK4
Description
Tender notice on Find a Tender
Published
23 Jul 2026, 19:29
Format
text/html

Buyer, suppliers and contacts

Organisation 1
Name
UNITED KINGDOM NATIONAL NUCLEAR LABORATORY LIMITED
Id
GB-COH-03857752

Identifier

Scheme
GB-COH
Id
03857752

Additional Identifiers

Entry 1
Scheme
GB-PPON
Id
PVXT-8784-YGNV

Address

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

Contact

Roles

buyer

Details

Classifications

Entry 1
Scheme
UK_CA_TYPE
Id
publicAuthoritySubCentralGovernment
Description
Public authority - sub-central government

Recorded locations

  • Buyer location · Warrington · UKD61 · WA3 6AE · United Kingdom
  • Delivery location · UK · United Kingdom

Notice and amendment history

2 published notice versions reviewed by ProcuraAxis.

2 VERSIONS
  1. 046764-2026Preliminary market engagement notice on Find a Tender ·
  2. 069975-2026Tender notice on Find a Tender ·