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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.

    ContractsWindow Cleaning Services in Bielefeld for 2025
    Closed contract

    Window Cleaning Services in Bielefeld for 2025

    Tender closed
    30 Jun 2025
    14 months ago

    The City of Bielefeld is seeking suppliers for window and frame cleaning services for the year 2025, with an option to extend the contract into 2026. The contract is divided into 15 lots, although lots 1-10, 12-15, and 17 from the previous procurement process (ID 7429) have been canceled. Suppliers

    🇩🇪GermanyPublished 29 May 2025· 1 years agoviaTED
    Tender closed
    30 Jun 2025
    14 months ago
    Tender deadline passed on 30 Jun 2025.

    Decision brief

    4 fields
    • Contract value
      Not disclosed
      Source did not declare a figure
    • Tender closed
      30 Jun 2025
      1 years ago
    • Sector
      Environmental Services
      Browse related listings
    • Location
      🇩🇪Germany

    Lifecycle

    Closed

    Tender closed on 30 Jun 2025. Awaiting award.

    29 May 2025Today30 Jun 2025

    Brief

    The City of Bielefeld is seeking suppliers for window and frame cleaning services for the year 2025, with an option to extend the contract into 2026. The contract is divided into 15 lots, although lots 1-10, 12-15, and 17 from the previous procurement process (ID 7429) have been canceled. Suppliers interested in this opportunity should provide their proposals by the deadline of June 30, 2025. For more details, please visit the provided link.

    Track record

    4 awards · 4 winners
    Open field

    No single supplier dominates the field.

    In environmental services, BIELEFELD CITY OFFICE FOR CENTRAL SERVICES has awarded 4 contracts to 4 suppliers.

    Who wins here
    1. CHAHISERVICE GMBH1× · 25%
    2. AGRDAR GMBH1× · 25%
    3. Chahi-Service GmbH1× · 25%
    4. AGR-DAR GmbH1× · 25%

    Across environmental services, the most active winners are BIFFA WASTE SERVICES LTD, CHURCHILL CONTRACT SERVICES LTD, DIRECT CLEANING SERVICES SW LIMITED — the field to beat, or your route in as a partner.

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    Facade Works for Heepen Wastewater Treatment Plant

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    Waste Management Services in Bielefeld

    The City of Bielefeld is seeking suppliers for the transport, sorting, and recycling of materials collected from the joint collection of lightweight packaging (LVP) and similar non-packaging materials (sNVP). This contract covers services from January 1, 2026, to December 31, 2026, with an option to

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    Published 23 Nov 2025

    Open in Environmental Services

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    Window Cleaning Services Tender - St Edmunds College, Cambridge

    Open tender for window cleaning services at St Edmunds College, University of Cambridge, with submissions due 28th September 2026 at noon.

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    Waste Bin Emptying Services Contract

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    Cleaning Services Contractor for Aston University STEM Education Trust

    AUSEAT is seeking a cleaning services contractor for three specialist schools across two Birmingham sites, providing routine and periodic deep cleaning services.

    est.£562,422ASTON UNIVERSITY STEM EDUCATION ACADEMY TRUST
    Published 4 Sept 2026
    Take action
    View on sourceTED

    Original closed notice on the publisher's site

    Publisher
    Publications Office of the European Union
    Licence
    EU 2011/833/EU + TED reuse notice
    Source
    ted.europa.eu
    Record ID
    349387-2025
    BC
    Buyer
    BIELEFELD CITY OFFICE FOR CENTRAL SERVICES
    Sector
    Environmental Services