---
title: "Modification and Validation of Existing Software"
ocid: "ocds-h6vhtk-06c865"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-h6vhtk-06c865"
markdown_url: "https://d3tenders.com/contract/ocds-h6vhtk-06c865.md"
json_url: "https://d3tenders.com/contract/ocds-h6vhtk-06c865.json"
source: "Find A Tender Service"
current_stage: "Award"
buyer: "UK ATOMIC ENERGY AUTHORITY"
published: "2026-07-10"
---

# Modification and Validation of Existing Software

Buyer: UK ATOMIC ENERGY AUTHORITY  
Current stage: Award  
OCID: ocds-h6vhtk-06c865

[View canonical contract page](https://d3tenders.com/contract/?ocid=ocds-h6vhtk-06c865)  
[Download OCDS JSON](https://d3tenders.com/contract/ocds-h6vhtk-06c865.json)

## Summary

The UK Atomic Energy Authority, located at the Culham Science Centre in Oxfordshire, is overseeing a completed procurement process titled "Modification and Validation of Existing Software" in the IT services industry. This procurement is categorised under IT services: consulting, software development, Internet, and support, and is recognised under the legal basis of UKPGA 2023/54. The procurement utilised a direct method, classified as below threshold without competition, and progressed through the award and contract stages. The contract, signed on 19th June 2026, commenced on 22nd June 2026, with a scheduled end date of 22nd October 2026, which may extend to 31st March 2027 if necessary, allowing additional time for completion.

This tender offers significant opportunities for businesses specialising in software development and IT consultancy, particularly those capable of modifying existing software systems. Given the procurement method of direct award without competition, large or established enterprises, possibly similar to the Universidad de Alicante, which has been awarded this contract, may find themselves well-suited for such engagements in the future. Companies engaged in the field of IT service provision and consultancy, with robust capabilities to meet such bespoke requirements, could leverage such contracts to achieve strategic growth and expand their project portfolios, particularly within the public sector.

## Notice

Modification of existing software to allow for progression of project.

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Find A Tender Service |
| Latest notice | https://www.find-tender.service.gov.uk/Notice/065101-2026 |
| Notice type | UK7 - Contract Details Notice |
| Procurement type | Standard |
| Procurement category | Services |
| Procurement method | Direct |
| Procurement method details | Below threshold - without competition |
| Tender suitability | Not specified |
| Awardee scale | Large |
| All stages | Award |

## Dates

| Field | Value |
| --- | --- |
| Publication date | 10 Jul 2026 |
| Submission deadline | Not specified |
| Future notice date | Not specified |
| Award date | 19 Jun 2026 |
| Contract period | 22 Jun 2026 - 22 Oct 2026 |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | Not specified |
| Lots value | Not specified |
| Awards value | Not specified |
| Contracts value | £66,000 |

## Status

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

## Buyer

| Field | Value |
| --- | --- |
| Main buyer | UK ATOMIC ENERGY AUTHORITY |
| Locality | OXFORDSHIRE |
| Post town | Oxford |
| Postcode | OX14 3DB |
| Country | England |
| ITL 1 | TLJ South East (England) |
| ITL 2 | TLJ1 Berkshire, Buckinghamshire and Oxfordshire |
| ITL 3 | TLJ14 Oxfordshire CC |
| Local authority | South Oxfordshire |
| Electoral ward | Sandford & the Wittenhams |
| Westminster constituency | Didcot and Wantage |
| Delivery location | Not specified |

## Supplier

| Field | Value |
| --- | --- |
| Number of suppliers | 1 |
| Supplier names | UNIVERSIDAD DE ALICANTE |

## 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 Jul 2026 at 11:01 - Award - UK7 - Contract Details Notice - https://www.find-tender.service.gov.uk/Notice/065101-2026

## Documents

- https://www.find-tender.service.gov.uk/Notice/065101-2026
  10th July 2026 - Contract details notice on Find a Tender

## Notice URLs

- https://www.gov.uk/government/organisations/uk-atomic-energy-authority
- https://www.legislation.gov.uk/ukpga/2023/54/contents

## 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-06c865. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-h6vhtk-06c865.json.