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    ContractsApproved Body for UK OCS Interoperability Certification
    Awarded contract

    Approved Body for UK OCS Interoperability Certification

    Awarded
    £250k
    Published 5 Nov 2026

    Approved Body needed to certify overhead catenary system components and obtain UK declaration of conformity for HS2 rail infrastructure.

    🇬🇧United KingdomPublished 5 Nov 2026· 3 days agoviaContracts Finder
    Awarded
    £250k
    Published 5 Nov 2026

    Decision brief

    4 fields
    • Contract value
      £250,000
      Pounds sterling
    • Tender closed
      17 Jun 2026
      4 months ago
    • Sector
      Engineering
      Browse related listings
    • Location
      🇬🇧United Kingdom

    Suppliers

    1 supplier
    • CU
      CERTIFER UK
    Lead contractor

    Lifecycle

    Awarded

    Contract awarded. Originally published 3 days ago.

    5 Nov 2026Today17 Jun 2026

    Brief

    Colas Rail seeks an Approved Body to support the design, construction, testing, and commissioning of an Overhead Catenary System (OCS) for HS2. The Approved Body will be responsible for: obtaining UK declaration of conformity for Interoperability Constituents (ICs) related to specific OCS design elements, and re-certifying the existing TSI-compliant system design to NTSN standards. Work will be delivered under Colas Rail CR2 Professional Services Agreement Terms & Conditions, including HS2-specific provisions, which will be provided to shortlisted suppliers. Tender proposals must be submitted by Wednesday 17 June 2026 to tr.procurement@colasrail.com. Questions should be directed to the same email address.

    Track record

    1 award · 1 winner
    Thin record

    Only 1 prior award here — too little to read.

    In engineering, COLAS RAIL has awarded 1 contract to 1 supplier.

    Who wins here
    1. CERTIFER UK1× · 100%

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

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    Overhead Catenary System Switches and Disconnectors for HS2

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    est.£2,500,000COLAS RAIL
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    ClosedEngineering🇬🇧United Kingdom

    Approved Body Services for HS2 Overhead Catenary System Design and Certification

    Colas Rail requires an Approved Body to provide UK Declaration of Conformity certification and re-certification services for HS2 Overhead Catenary System design components.

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    Published 4 Jun 2026

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    Take action
    View on sourceContracts Finder

    Award notice and full record on the publisher's site

    Publisher
    UK Cabinet Office
    Licence
    OGL v3.0
    Source
    contractsfinder.service.gov.uk
    Record ID
    8bc4f3ac-120c-4e3e-ab6c-8dc567ff8974-920735

    Your fit

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    This went to CERTIFER UK. Sonar reads COLAS RAIL's work like this against your business — who holds it, and whether you could compete or partner next time.

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    CR
    Buyer
    COLAS RAIL
    Sector
    Engineering