Contracts FinderCall-off contract
Published 22 Jun 2026

Contracts Finder notice

Managed Security Services

Authority: GREENSQUAREACCORD LIMITED

Call-off from a framework agreement
CPV: Software package and information systems (48000000)
Published contract value£441,880Exc. VAT
Contract ends 31 Mar 2028
Awarded to Cysiam Limited
Contract starts 1 Apr 2026

What is being bought

Published requirement description

The service includes Managed Detection and Response, Security Information and Event

Management, Endpoint Detection and Response supported by Next Generation

Anti?Virus, identity monitoring, cyber threat intelligence, threat hunting, cyber maturity

assessments, efficiency testing and full incident response readiness. These capabilities

collectively enable the proactive identification, investigation and mitigation of threats

across the GSA's digital environment.

Managed Detection and Response (MDR). Enterprise data will be captured and analysed

for indicators of attack or compromise, which, if discovered, shall initiate a first response.

This response will be either automated or human, depending on the source of the

detection. GSA require Level 1 and 2 support, and the first one hour of any Level 3

investigations. Support levels are defined below.

Level 1

The first line of security analysts who manage security tools and run regular

reporting. At this level, alerts and alert urgency will be determined by the security

team. Decisions about escalation to Level 2 will also be undertaken at this level.

Level 2

The second line of security analysts / engineers who have the expertise required to

get to the root of a problem and assess which part of the enterprise may be

compromised. Remediation and repair of problems is expected and issues for

additional investigation will be highlighted.

Level 3

The third line of security engineers / incident responders, which consists of highly

skilled technical resource. If required, personnel will use advanced detection

methods (threat hunting) to identify and neutralise the threat, providing remediation

advice to the Client's IT team.

Key deliverables:

  • Managed Detection and Response (MDR) Service

o 24/7x365 Threat Detection & Response

o Ongoing Detection Engineering

o Ongoing Use Case Development

o Cyber Threat Intelligence (CTI)

o Threat Hunting

o Cyber Maturity Assessment

o Incident Response (first 1 hour of IR)

o Dedicated Customer Success Manager

  • SIEM Licensing (Splunk) 100GB
  • CrowdStrike EDR Licensing with Falcon Mobile (1650 endpoints)

Published procurement details

Procedure
Call-off from a framework agreement
Buyer reference
004
Category
Services
Tender status
Complete
Award status
Active
Suitable for SMEs
Yes
Suitable for voluntary, community and social enterprises
No
Tender deadline
Procurement method
Selective
Item 1: Delivery locations as published
England, United Kingdom

Key dates

Published dates
  1. Award decision
    16 Mar 2026
  2. Contract starts
    1 Apr 2026
  3. Notice published
    22 Jun 2026
  4. Contract ends
    31 Mar 2028

Contracting authority & participating public bodies

  • GREENSQUAREACCORD LIMITEDContracting authority GREEN SQUARE ACCORD, Birmingham, B1 2JB, EnglandContact name, email
    Identifier
    sid4gov.cabinetoffice.gov.uk/4jRH3Z2S · GB-SRS

Suppliers named on the notice

  • Cysiam LimitedSupplier 1 New Street, Wells, Somerset, BA5 2LA
    Identifier
    11422969 · GB-COH
    Voluntary, community or social enterprise
    No
    Business size
    Large

Official documents & specifications (1)

Official links; attachments are not copied

Notices published for this procedure

Source record

Source
Contracts Finder
Notice language
en
Release reference
ocds-b5fd17-9c9394c3-b0e2-4d8a-83fb-02ba2cb8402b-2026-06-22T10:49:03+01:00
Published
22 Jun 2026
Latest update
22 Jun 2026
Procedure reference
ocds-b5fd17-9c9394c3-b0e2-4d8a-83fb-02ba2cb8402b
Contract reference
ocds-b5fd17-9c9394c3-b0e2-4d8a-83fb-02ba2cb8402b-1