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    ISO 9001:2015

    Birtley Group Limited
    Incorporating Bowater Doors Ltd
    Mary Avenue
    Birtley
    DH3 1JF
    United Kingdom
    BSI logo

    Certificate Number: FS 13890
    Scope: The design, manufacture and distribution of steel lintel products and structural steelwork. The provision of hot dip galvanizing, painting and general finishing of these products and customer supplied materials. The manufacture and supply of doors to the building industry.

    Original Registration Date Effective Date Last Revision Date Expiry Date
    1991-12-09 2024-12-10 2024-11-12 2027-12-09