---
title: "HM Treasury Managed Detection & Response Service"
ocid: "ocds-b5fd17-27e933e5-0ef5-411e-b205-85df9424ca7b"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-b5fd17-27e933e5-0ef5-411e-b205-85df9424ca7b"
markdown_url: "https://d3tenders.com/contract/ocds-b5fd17-27e933e5-0ef5-411e-b205-85df9424ca7b.md"
json_url: "https://d3tenders.com/contract/ocds-b5fd17-27e933e5-0ef5-411e-b205-85df9424ca7b.json"
source: "Contracts Finder"
current_stage: "Award"
buyer: "HM TREASURY"
published: "2026-02-10"
---

# HM Treasury Managed Detection & Response Service

Buyer: HM TREASURY  
Current stage: Award  
OCID: ocds-b5fd17-27e933e5-0ef5-411e-b205-85df9424ca7b

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## Summary

HM Treasury has completed the procurement process for the Managed Detection & Response Service, designed to provide a 24x7 detection and response service facilitated through a hybrid Security Operations Centre using Microsoft Sentinel. The contract was awarded to Littlefish (UK) Ltd. under a selective procurement method, specifically a call-off from a framework agreement. The procurement falls under the IT services category, with a CPV classification of 72000000, and is valued at £555,000. The contract period spans from 24th March 2025 to 23rd March 2027, with services to be delivered to location SW1A 2HQ, London, England. This process reached the award update stage on 10th February 2026.

This tender presents significant opportunities for SMEs in the IT services industry, particularly those specialising in consulting, software development, Internet and support services. Businesses equipped to deliver continuous monitoring and proactive cybersecurity solutions would find the contract particularly aligned with their capabilities. By leveraging the framework agreement approach, businesses can secure strategic contracts that support ongoing business growth through government partnerships. SMEs that are adaptive to innovative security technologies will be well-placed to benefit from this procurement opportunity to enhance their market presence.

## Notice

24x7 detection and response service as part of a hybrid Security Operations Centre using Microsoft Sentinel, which takes over and provides a proactive and fit for purpose monitoring and alerting capability to monitor, assess, manage and minimise the likelihood of security incident.

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Contracts Finder |
| Latest notice | https://www.contractsfinder.service.gov.uk/Notice/4a209774-5a79-450f-94f9-8f7d43740f8b |
| Notice type | Award Notice |
| Procurement type | Framework |
| Procurement category | Services |
| Procurement method | Selective |
| Procurement method details | Call-off from a framework agreement |
| Tender suitability | SME |
| Awardee scale | SME |
| All stages | Award |

## Dates

| Field | Value |
| --- | --- |
| Publication date | 10 Feb 2026 |
| Submission deadline | 21 Mar 2025 |
| Future notice date | Not specified |
| Award date | 31 Mar 2025 |
| Contract period | 24 Mar 2025 - 23 Mar 2027 |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | £555,000 |
| Lots value | Not specified |
| Awards value | £370,000 |
| Contracts value | Not specified |

## Status

| Field | Value |
| --- | --- |
| Tender status | Complete |
| Lots status | Not specified |
| Awards status | Active |
| Contracts status | Not specified |

## Buyer

| Field | Value |
| --- | --- |
| Main buyer | HM TREASURY |
| Locality | LONDON |
| Post town | South West London |
| Postcode | SW1A 2HQ |
| Country | England |
| ITL 1 | TLI London |
| ITL 2 | TLI3 Inner London - West |
| ITL 3 | TLI35 Westminster and City of London |
| Local authority | Westminster |
| Electoral ward | St James's |
| Westminster constituency | Cities of London and Westminster |
| Delivery location | Not specified |

## Supplier

| Field | Value |
| --- | --- |
| Number of suppliers | 1 |
| Supplier names | LITTLEFISH (UK |

## CPV Codes

### Divisions

- 72 - IT services: consulting, software development, Internet and support

### Codes

- 72000000 - IT services: consulting, software development, Internet and support

## Release History

- 10 Feb 2026 at 08:42 - AwardUpdate - Award Notice - https://www.contractsfinder.service.gov.uk/Notice/4a209774-5a79-450f-94f9-8f7d43740f8b
- 11 Apr 2025 at 17:16 - Award - Award Notice - https://www.contractsfinder.service.gov.uk/Notice/4a209774-5a79-450f-94f9-8f7d43740f8b

## Documents

- https://www.contractsfinder.service.gov.uk/Notice/4a209774-5a79-450f-94f9-8f7d43740f8b
  10th February 2026 - Awarded contract notice on Contracts Finder
- https://www.contractsfinder.service.gov.uk/Notice/Attachment/b0df254f-0b8a-490c-8f57-3bc2b90d4618

## Provenance

This Markdown file is an alternate public rendering of the D3 Tenders contract record. The canonical page is https://d3tenders.com/contract/?ocid=ocds-b5fd17-27e933e5-0ef5-411e-b205-85df9424ca7b. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-b5fd17-27e933e5-0ef5-411e-b205-85df9424ca7b.json.