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    ContractsDesign and Support Services for Sellafield Remediation and Security
    Open tender

    Design and Support Services for Sellafield Remediation and Security

    Sellafield is seeking specialized design support and client oversight services for site remediation and security enhancement programs through the CCS RM6356 framework.

    🇬🇧United Kingdom· North WestPublished 10 Aug 2026· 3 weeks agoviaFind a Tender

    Decision brief

    4 fields
    • Contract value
      Not disclosed
      Source did not declare a figure
    • Closing date
      Rolling
      No closing date published
    • Sector
      Professional Services
      Browse related listings
    • Location
      🇬🇧United Kingdom
      North West

    Lifecycle

    Open

    Open tender — no closing date published. Opened 3 weeks ago.

    10 August 2026
    Open tender · no closing date published

    Brief

    This opportunity seeks design support and client oversight services for the Sellafield Site remediation and security initiatives. Services include: intelligent client support and project oversight; front-end design strategy and pre-Outline Business Case development; and specialized nuclear and technical expertise for two key programs: (1) remediation and decommissioning of the Sellafield Site with safe waste treatment and storage capabilities, and (2) security enhancements across the Sellafield facility. This procurement will be conducted through the Crown Commercial Service framework RM6356, which streamlines access and compliance for qualified suppliers in the nuclear sector.

    Track record

    4 awards · 4 winners
    Open field

    No single supplier dominates the field.

    In professional services, SELLAFIELD LTD has awarded 4 contracts to 4 suppliers.

    Who wins here
    1. Rilot Consulting1× · 25%
    2. Baker Mallett LLP1× · 25%
    3. Afry Solutions UK Limited1× · 25%
    4. Mitie Security Limited1× · 25%

    Across professional services, the most active winners are REED SPECIALIST RECRUITMENT LIMITED, KPMG LLP, Hays Specialist Recruitment Ltd — the field to beat, or your route in as a partner.

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    Take action
    View tender on sourceFind a Tender

    Full notice and submission process on the publisher's site

    Publisher
    UK Cabinet Office
    Licence
    OGL v3.0
    Source
    find-tender.service.gov.uk
    Record ID
    ocds-h6vhtk-050fd1
    SE
    Buyer
    SELLAFIELD LTD
    Sector
    Professional Services