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    ISO/IEC 27001:2022

    Costain Group Plc
    Seventh Floor
    70 St Mary Axe
    London
    EC3A 8BE
    United Kingdom
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    Certificate Number: IS 557983
    Scope: The provision of an information security management system to cover customer and Costain requirements for the management of the design, construction and operation of all forms of construction and engineering projects as a sole contractor, in a joint venture or as a member of a consortium in accordance with the Statement of Applicability V9 dated 08/01/2024.

    Original Registration Date Effective Date Last Revision Date Expiry Date
    2010-08-24 2025-08-25 2025-06-20 2028-08-24