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BidSonar is an independent index of public-sector opportunities. We aggregate data from official sources and are not affiliated with any procurement body. Data is licensed under the Open Government Licence v3.0 and the EU TED reuse notice.

    ContractsEarthquake Monitoring System for Sellafield
    Awarded contract

    Earthquake Monitoring System for Sellafield

    Awarded
    £77.8k
    Published 3 Nov 2026

    Supply and provision of an earthquake monitoring system to detect seismic activity around Sellafield and assess operational risks.

    🇬🇧United Kingdom· North WestPublished 3 Nov 2026· TodayviaFind a Tender
    Awarded
    £77.8k
    Published 3 Nov 2026

    Decision brief

    4 fields
    • Contract value
      £77,762
      Pounds sterling
    • Closing date
      Not published
      No closing date published
    • Sector
      Engineering
      Browse related listings
    • Location
      🇬🇧United Kingdom
      North West

    Suppliers

    1 supplier
    • BG
      BRITISH GEOLOGICAL SURVEY
    Lead contractor

    Lifecycle

    Awarded

    Contract awarded. Originally published today.

    3 November 2026
    Awarded — no open tender advertised

    Brief

    This procurement opportunity seeks an earthquake information system capable of monitoring seismic activity within a 50-mile radius of the Sellafield nuclear site. The system must provide real-time detection and reporting of seismic events to enable site operators to assess potential risks to ongoing operations and implement appropriate safety measures. Suppliers should be prepared to deliver comprehensive monitoring infrastructure, data analysis capabilities, and integration with existing site safety systems. The successful provider will ensure continuous operational reliability and timely alert mechanisms.

    Track record

    21 awards · 17 winners
    Open field

    No single supplier dominates the field.

    In engineering, SELLAFIELD LTD has awarded 21 contracts to 17 suppliers.

    Who wins here
    1. CAVENDISH NUCLEAR3× · 14%
    2. Seymour Engineering Ltd2× · 10%
    3. PA CONSULTING SERVICES LIMITED2× · 10%
    4. Prolectric Services Ltd1× · 5%
    5. Co-Lab Engineering Limited1× · 5%
    6. 10architect1× · 5%

    +11 more suppliers

    Across engineering, the most active winners are WSP UK LIMITED, AECOM LTD, OVE ARUP PARTNERS LIMITED — the field to beat, or your route in as a partner.

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    Take action
    View on sourceFind a Tender

    Award notice and full record on the publisher's site

    Publisher
    UK Cabinet Office
    Licence
    OGL v3.0
    Source
    find-tender.service.gov.uk
    Record ID
    ocds-h6vhtk-07960c

    Your fit

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    Buyer
    SELLAFIELD LTD
    Sector
    Engineering