---
title: "GSG-Cyber Penetration Testing (GCASE)"
ocid: "ocds-b5fd17-65f3e063-31dc-4e2e-a94d-2bda7bf62f0c"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-b5fd17-65f3e063-31dc-4e2e-a94d-2bda7bf62f0c"
markdown_url: "https://d3tenders.com/contract/ocds-b5fd17-65f3e063-31dc-4e2e-a94d-2bda7bf62f0c.md"
json_url: "https://d3tenders.com/contract/ocds-b5fd17-65f3e063-31dc-4e2e-a94d-2bda7bf62f0c.json"
source: "Contracts Finder"
current_stage: "Award"
buyer: "CABINET OFFICE"
published: "2025-09-17"
---

# GSG-Cyber Penetration Testing (GCASE)

Buyer: CABINET OFFICE  
Current stage: Award  
OCID: ocds-b5fd17-65f3e063-31dc-4e2e-a94d-2bda7bf62f0c

[View canonical contract page](https://d3tenders.com/contract/?ocid=ocds-b5fd17-65f3e063-31dc-4e2e-a94d-2bda7bf62f0c)  
[Download OCDS JSON](https://d3tenders.com/contract/ocds-b5fd17-65f3e063-31dc-4e2e-a94d-2bda7bf62f0c.json)

## Summary

The public procurement process titled "GSG-Cyber Penetration Testing (GCASE)" was commissioned by the Cabinet Office in London, England. It falls under the industry category of Information systems and servers, with a focus on services. The procurement used a selective method through a call-off from a framework agreement and has moved through to the award update stage. The tender process concluded with the award being published on 8th November 2023, and the contract spans from 16th October 2023 to 31st March 2026. The project's estimated value is £556,000, and it is specifically suitable for small and medium-sized enterprises (SMEs).

This tender presents significant growth opportunities for businesses within the cyber security and information systems sectors, particularly those capable of providing penetration testing services. SMEs with expertise in governmental assurance programmes would find themselves well-positioned to compete, as demonstrated by the successful award to Pen Test Partners. Being part of a governmental framework agreement not only enhances a company's portfolio but also provides a stable avenue for future business, helping firms establish themselves as trusted partners in public sector contracts.

## Notice

GBEST & GCASE are two cyber penetration tests offered by GSRT. They form part of the Government's overall assurance programme.

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Contracts Finder |
| Latest notice | https://www.contractsfinder.service.gov.uk/Notice/1c3bb768-d8fb-4628-a3cf-5c21e5b52779 |
| 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 | 17 Sep 2025 |
| Submission deadline | 29 Sep 2023 |
| Future notice date | Not specified |
| Award date | 1 Oct 2023 |
| Contract period | 15 Oct 2023 - 31 Mar 2026 |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | £556,000 |
| Lots value | Not specified |
| Awards value | £556,000 |
| 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 | CABINET OFFICE |
| Locality | LONDON |
| Post town | South West London |
| Postcode | SW1A 2AS |
| 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 | PEN TEST PARTNERS |

## CPV Codes

### Divisions

- 48 - Software package and information systems

### Codes

- 48800000 - Information systems and servers

## Release History

- 17 Sep 2025 at 14:55 - AwardUpdate - Award Notice - https://www.contractsfinder.service.gov.uk/Notice/1c3bb768-d8fb-4628-a3cf-5c21e5b52779

## Documents

- https://www.contractsfinder.service.gov.uk/Notice/1c3bb768-d8fb-4628-a3cf-5c21e5b52779
  17th September 2025 - Awarded contract notice on Contracts Finder
- https://www.contractsfinder.service.gov.uk/Notice/Attachment/6aaf89d5-6615-4a90-b3e8-3941386fcab7

## 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-b5fd17-65f3e063-31dc-4e2e-a94d-2bda7bf62f0c. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-b5fd17-65f3e063-31dc-4e2e-a94d-2bda7bf62f0c.json.