---
title: "Requirement Management System"
ocid: "ocds-h6vhtk-064e61"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-h6vhtk-064e61"
markdown_url: "https://d3tenders.com/contract/ocds-h6vhtk-064e61.md"
json_url: "https://d3tenders.com/contract/ocds-h6vhtk-064e61.json"
source: "Find A Tender Service"
current_stage: "Award"
buyer: "GREAT BRITISH ENERGY - NUCLEAR"
published: "2026-02-11"
---

# Requirement Management System

Buyer: GREAT BRITISH ENERGY - NUCLEAR  
Current stage: Award  
OCID: ocds-h6vhtk-064e61

[View canonical contract page](https://d3tenders.com/contract/?ocid=ocds-h6vhtk-064e61)  
[Download OCDS JSON](https://d3tenders.com/contract/ocds-h6vhtk-064e61.json)

## Summary

The procurement process initiated by Great British Energy - Nuclear involves the award of a contract to Phoenix Software Limited for the supply, implementation, and support of a Requirements Management System. This software package falls under the industry category of "Software package and information systems" and aims to support the Small Modular Reactor programme across the UK. The procurement stage is marked as 'complete' with the award function active, and the process followed a limited procurement method without the prior publication of a call for competition, under a pre-approved national framework. Key dates include the contract signing date on 30th July 2025 and a recent variation made on 11th February 2026 to accommodate additional services like urgent patching support. The total contract value after the variation amounts to £479,615.43 excluding VAT.

This tender offers significant business growth opportunities for entities specialising in software and information systems, particularly those familiar with requirements management and integration within nuclear programmes. The awarded contract reflects a robust collaboration opportunity within the UK region, focusing on security, scalability, and project assurance aligned with GBN's digital estate and national cybersecurity standards. Businesses with expertise in software provision, traceability solutions, or consultancy services are well-suited to leverage future extensions or similar tenders in this domain, highlighting social value, performance management, and continuous improvement as vital award criteria.

## Notice

GBN has awarded a contract for the supply, implementation and support of a modern Requirements Management System to act as the organisation's authoritative system of record for requirements across its Small Modular Reactor (SMR) programme. The system enables requirements capture, traceability, verification and validation, auditability, and secure collaboration with delivery partners.

### Lot Information

Lot 1

GBN sought a modern, scalable, and secure Requirements Management System capable of acting as the system of record for GBN and its Small Modular Reactor (SMR) projects. The RMS will support requirement definition, traceability, verification & validation, project assurance, and data lifecycle integrity across GBN and future DevCos. The system must integrate with GBN's digital estate, support secure collaboration with supply chain partners, and comply with UK data residency and cyber-security requirements.

### Procurement Information

The supplier was selected following a compliant mini-competition under a pre-approved national framework.

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Find A Tender Service |
| Latest notice | https://www.find-tender.service.gov.uk/Notice/012612-2026 |
| Notice type | Award Notice |
| Procurement type | Standard |
| Procurement category | Goods |
| Procurement method | Limited |
| Procurement method details | Award procedure without prior publication of a call for competition |
| Tender suitability | Not specified |
| Awardee scale | SME |
| All stages | Award |

## Dates

| Field | Value |
| --- | --- |
| Publication date | 11 Feb 2026 |
| Submission deadline | Not specified |
| Future notice date | Not specified |
| Award date | 29 Jul 2025 |
| Contract period | Not specified |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | Not specified |
| Lots value | Not specified |
| Awards value | Not specified |
| Contracts value | £464,308 |

## Status

| Field | Value |
| --- | --- |
| Tender status | Complete |
| Lots status | Cancelled |
| Awards status | Active |
| Contracts status | Active |

## Buyer

| Field | Value |
| --- | --- |
| Main buyer | GREAT BRITISH ENERGY - NUCLEAR |
| Locality | LONDON |
| Post town | South West London |
| Postcode | SW1H 0NB |
| 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 | PHOENIX SOFTWARE |

## CPV Codes

### Divisions

- 48 - Software package and information systems

### Codes

- 48000000 - Software package and information systems

## Release History

- 11 Feb 2026 at 17:11 - Award - Award Notice - https://www.find-tender.service.gov.uk/Notice/012612-2026

## Notice URLs

- https://www.gov.uk/government/organisations/great-british-energy-nuclear

## 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-h6vhtk-064e61. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-h6vhtk-064e61.json.