Planning

ICT Hosted Infrastructure Management & Application Management Services

SELLAFIELD LIMITED

This public procurement record has 1 release in its history.

Planning

30 Sep 2025 at 14:37

UK2 - Preliminary Market Engagement Notice
Summary of the contracting process

The procurement process for "ICT Hosted Infrastructure Management & Application Management Services" is in the planning stage, conducted by Sellafield Limited, a sub-central government public authority based in Warrington, United Kingdom. The procurement involves two key lots under the Technology Services 4 Framework (RM6190), with the call for competition anticipated to commence in April 2026. Key dates include a planned engagement milestone on 31st October 2025. The primary location for this contract spans the UK, focusing on industry-specific information technology services. Businesses interested in participating must register their interest via the Nuclear Decommissioning Authority and Sellafield Ltd's E-procurement system, Atamis.

This procurement presents significant opportunities for IT service providers, particularly those equipped to deliver ICT Hosted Infrastructure and Application Management Services. SMEs may find this tender particularly attractive due to the suitability factors outlined in the procurement strategy. Businesses with capabilities in server support, data centre management, cloud and on-premises application support, and service enhancements are well-suited to bid. The estimated contract value over the term provides a substantial opportunity for growth and involvement in modernising infrastructure and supporting a maturing ICT organisation within Sellafield Ltd. This tender encourages businesses capable of innovation and transformation in IT environments to contribute to long-term improvements and service maturity.

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Notice Information

Notice Title

ICT Hosted Infrastructure Management & Application Management Services

Notice Description

Sellafield Ltd. plan to call for competition under Lots 4 (Infrastructure Management) and Lot 5 (Applications and Data Management) of the new Technology Services 4 (TS4) Framework Agreement (RM6190) that is due to go live in January 2026. We anticipate the call for competition commencing in April 2026. The Invitation to Tender (ITT) will be restricted to Suppliers who are successfully in their bids for inclusion in relevant Lots of CCS TS4; due to launch 12th January 2026. Suppliers may bid for both Lots, provided they are approved for both Lots, but can only be successful for one Lot and as such would need to state a preference. The competition will be managed as a single procurement with two (2) Lots: 1. ICT Hosted Infrastructure Management Services (estimated value excluding VAT PS48.23m) Atamis ID C11028 2. ICT Application Management Services (estimated value excluding VAT PS41.51m) Atamis ID C11345 ICT Hosted Infrastructure Management Services: * Support of all on-premise server & private cloud infrastructure and operating systems, including management of supporting tools. * Support of 5 Data Centres including Sellafield Main Site (3), Risley (Warrington UK) and Crown Hosting (Corsham) locations * IaaS and PaaS infrastructure management using HPe and Dell VXRail technologies * Build management Service across multiple operating systems * Control and management of the storage provisioning service, including backup and restore and cross data centre replication * Hosting and management of on-premises Microsoft Exchange environment. * Over the contract term we intend to modernise and simplify our ICT infrastructure reducing technical debt and consolidating data centres (from 5 to 3). * We are moving to Microsoft Exchange Online at present and ultimately decommissioning the on-premises Exchange on-premises footprint. * We anticipate a gradual reduction in on-premises infrastructure as we rationalise applications and further exploit cloud technologies. * We see the new supplier as a key enabler to help on us on this journey. * We are a maturing ICT organisation and seek an opportunity to build a collaborative relationship that drives service enhancement and maturity. * Cloud operations is delivered through an internal capability. Management and maintaining cloud infrastructure and services is out of scope of HIMS. ICT Application Management Services: * Application support (incident management and change requests), and application maintenance including the delivery of routine application patching and upgrades. * On-premises application portfolio varies in business importance, complexity, support requirements, and technology (SQL and Oracle). * 118 applications in scope including SAP Enterprise Resource Planning (ERP). * SAP ERP classed as a single business application, comprising 19 products/components, as well as HANA and ASE database support. * First line application management for circa 31 SaaS applications. * Applications within with the Sellafield Ltd. Microsoft Azure environment are managed by an internal cloud operations capability and excluded from contract scope. * Over the contract term we will continue to transform our application landscape to support long term business agility, reduce operational risk and enable innovation. * We will migrate to a core set of enterprise platforms to simplify the IT estate, improve integration, and ensure scalability. * We will retire redundant and legacy applications to reduce technical debt, lower support costs, and improve system resilience and leverage SaaS solutions where possible to reduce infrastructure overhead, accelerate capability delivery, and benefit from continuous vendor innovation. * This will reduce the number of on-premises applications and associated AMS requirements. We anticipate a gradual reduction over time rather than "big bang". * Our approach to SAP ERP is set out further in the slide pack. * We see the new supplier as a key enabler to help us on this journey: To upgrade applications, support consolidation into fewer enterprise systems and deliver application decommissioning. * Cloud operations is delivered through an internal capability. Management and maintaining cloud infrastructure and services is out of scope of AMS.

Planning Information

Sellafield Ltd are keen to gain a better understanding of what the market can offer to allow us to refine and shape our requirements for ICT Hosted Infrastructure Management Services and ICT Application Management Services. Therefore, Sellafield Ltd is seeking to obtain feedback on proposed lotting structure and Call-Off term and appropriate extensions and identify a suitable approach for the commercial model. Potential tenderers, who have bid for TS4 must register their interest to obtain further information and provide feedback about this opportunity via the Nuclear Decommissioning Authority and Sellafield Ltd E-procurement system, Atamis. This can be found at the following address: https://atamis-2464.my.site.com/s/Welcome. Once you have registered on Atamis, you can access all documentation and submit feedback using the record reference C27659, ICT Hosted Infrastructure Management & Application Management Services Market Engagement.

Notice Details

Publication & Lifecycle

Open Contracting ID
ocds-h6vhtk-05a523
Publication Source
Find A Tender Service
Latest Notice
https://www.find-tender.service.gov.uk/Notice/060974-2025
Current Stage
Planning
All Stages
Planning

Procurement Classification

Notice Type
UK2 - Preliminary Market Engagement Notice
Procurement Type
Framework
Procurement Category
Services
Procurement Method
Not Specified
Procurement Method Details
Not specified
Tender Suitability
SME
Awardee Scale
Not specified

Common Procurement Vocabulary (CPV)

CPV Divisions

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

CPV Codes

72222300 - Information technology services

Notice Value(s)

Tender Value
£89,740,000 £10M-£100M
Lots Value
Not specified
Awards Value
Not specified
Contracts Value
Not specified

Notice Dates

Publication Date
30 Sep 20254 months ago
Submission Deadline
Not specified
Future Notice Date
22 Apr 20262 months to go
Award Date
Not specified
Contract Period
18 Apr 2027 - 18 Apr 2032 Over 5 years
Recurrence
Not specified

Notice Status

Tender Status
Planning
Lots Status
Planning
Awards Status
Not Specified
Contracts Status
Not Specified

Buyer & Supplier

Contracting Authority (Buyer)

Main Buyer
SELLAFIELD LIMITED
Contact Name
Andy Twiss
Contact Email
andrew.twiss@sellafieldsites.com
Contact Phone
Not specified

Buyer Location

Locality
WARRINGTON
Postcode
WA3 6GR
Post Town
Warrington
Country
England
Major Region (ITL 1)
TLD North West (England)
Basic Region (ITL 2)
TLD6 Cheshire
Small Region (ITL 3)
TLD61 Warrington
Delivery Location
TLD11 West Cumbria, TLD61 Warrington
Local Authority
Warrington
Electoral Ward
Birchwood
Westminster Constituency
Warrington North

Further Information

Notice Documents

Open Contracting Data Standard (OCDS)

View full OCDS Record for this contracting process

Download

The Open Contracting Data Standard (OCDS) is a framework designed to increase transparency and access to public procurement data in the public sector. It is widely used by governments and organisations worldwide to report on procurement processes and contracts. 

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