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Prior notice United Kingdom Services

Design Support Provider

Buyer: Sellafield Limited

Published
19 November 2025
Estimated value
£300,000,000
Place of performance
UKD11
Lots
1
Notice number
075370-2025
Reference
ocds-h6vhtk-051363
Official source
Official source

CPV codes

Description

Sellafield Ltd plan to call for competition under Lot 8 of the new Crown Commercial Services RM6356 Construction Professional Services 2 (CPS2) Framework Agreement that is due to go live in April 2026. Sellafield Ltd. anticipates the call for competition commencing in April 2026. Design support is a critical enabler to the Sellafield Ltd mission. Delivery of design engineering and safety case support services are essential to the Sellafield decommissioning mission covering new assets, asset care, retrievals, and remediation projects. It will support the intelligent customer function for the other delivery models and provide early-stage client support to conclude the most appropriate point to commence scope transfer (i.e. value transition point). The contracts will deliver a design scope associated with the provision of Intelligent Customer (IC) oversight and niche nuclear design and safety case specialisms for the Sellafield Ltd Enterprise. The scope established to support the Sellafield enterprise aligns to capability provision. At the primary level it aligns to: • Client support – IC design support and independent capabilities, including early front-end design and studies support…

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Frequently asked questions

What is the estimated value of this tender?
The estimated value published by the buyer is £300,000,000.
Who is the buyer of this tender?
The contracting authority is Sellafield Limited (United Kingdom).
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Data collected from official public procurement sources. Amounts as published by the buyer.