---
title: "SIAM and End User Compute"
ocid: "ocds-h6vhtk-06e9d0"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-h6vhtk-06e9d0"
markdown_url: "https://d3tenders.com/contract/ocds-h6vhtk-06e9d0.md"
json_url: "https://d3tenders.com/contract/ocds-h6vhtk-06e9d0.json"
source: "Find A Tender Service"
current_stage: "Planning"
buyer: "Civil Nuclear Police Authority (CNPA) / Civil Nuclear Constabulary (CNC)"
published: "2026-08-21"
---

# SIAM and End User Compute

Buyer: Civil Nuclear Police Authority (CNPA) / Civil Nuclear Constabulary (CNC)  
Current stage: Planning  
OCID: ocds-h6vhtk-06e9d0

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## Summary

The Civil Nuclear Police Authority and Civil Nuclear Constabulary intend to procure services covering service integration and management (SIAM), end-user computing and a security operations centre (SOC). The requirement is classified as information technology services (CPV 72222300). It is intended to support the organisations’ IT service management, user computing environment and security operations. The buying organisation is based at Culham Campus in Abingdon. The scope is presented as one service requirement rather than separate lots, and the procurement is being developed for the Civil Nuclear Police Authority and Civil Nuclear Constabulary. Suppliers with experience across integrated IT service management, end-user technology support and security operations should consider the requirement relevant to their capabilities.

This procurement is at the planning stage: the buyer has stated an intention to procure and has not issued an invitation to tender. It expects to use an open procedure for services above the relevant threshold. The estimated value is £10,000,000 excluding VAT and £10,200,000 including VAT. The planned contract period is 26 August 2027 to 25 August 2032, with renewal arrangements allowing the period to extend to 25 August 2034. The buyer expects to publish the next notice on 10 November 2026. Preliminary market engagement is scheduled to take place by 7 September 2026. There is one planned lot, covering the full SIAM, end-user computing and SOC requirement.

The requirement is likely to suit established IT service providers, managed service providers and specialist security operators able to combine service integration, end-user computing and security operations within a single service model. Relevant preparation would include demonstrating operational capability in IT service management, coordinating multiple technology services and suppliers, supporting end users and devices, and monitoring and responding to security events. Suppliers with experience delivering complex, security-sensitive services for public authorities or similarly controlled environments may be well placed to respond when the procurement reaches the market. The buyer’s scope indicates that bidders will need sufficient technical breadth and delivery capacity to provide integrated services rather than a narrowly defined single-technology product.

## Notice

Provision of SIAM and End Use Compute and SOC

### Planning Information

https://uk.eu-supply.com/app/rfq/rwlentrance_s.asp?PID=108450&TID=100113512&B=

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Find A Tender Service |
| Latest notice | https://www.find-tender.service.gov.uk/Notice/080028-2026 |
| Notice type | UK2 - Preliminary Market Engagement Notice |
| Procurement type | Standard |
| Procurement category | Services |
| Procurement method | Not Specified |
| Procurement method details | Not specified |
| Tender suitability | Not specified |
| Awardee scale | Not specified |
| All stages | Planning |

## Dates

| Field | Value |
| --- | --- |
| Publication date | 21 Aug 2026 |
| Submission deadline | Not specified |
| Future notice date | 10 Nov 2026 |
| Award date | Not specified |
| Contract period | 26 Aug 2027 - 25 Aug 2032 |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | £10,000,000 |
| Lots value | Not specified |
| Awards value | Not specified |
| Contracts value | Not specified |

## Status

| Field | Value |
| --- | --- |
| Tender status | Planning |
| Lots status | Planning |
| Awards status | Not specified |
| Contracts status | Not specified |

## Buyer

| Field | Value |
| --- | --- |
| Main buyer | Civil Nuclear Police Authority (CNPA) / Civil Nuclear Constabulary (CNC) |
| Locality | ABINGDON |
| Postcode area | 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 |

## CPV Codes

### Divisions

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

### Codes

- 72222300 - Information technology services

## Release History

- 21 Aug 2026 at 15:31 - Planning - UK2 - Preliminary Market Engagement Notice - https://www.find-tender.service.gov.uk/Notice/080028-2026

## Documents

- https://www.find-tender.service.gov.uk/Notice/080028-2026
  21st August 2026 - Preliminary market engagement notice on Find a Tender

## Notice URLs

- https://uk.eu-supply.com/app/rfq/rwlentrance_s.asp?PID=108450&TID=100113512&B=
- https://www.gov.uk/government/organisations/civil-nuclear-consta
- 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-06e9d0. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-h6vhtk-06e9d0.json.