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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
    15 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
    15 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, Birkin Cleaning Services Ltd — the field to beat, or your route in as a partner.

    More from BIELEFELD CITY OFFICE FOR CENTRAL SERVICES

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    Published 11 Feb 2026
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    Firefighting Vehicle Procurement

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    Facade Works for Heepen Wastewater Treatment Plant

    The contract involves the supply and installation of weather protection enclosures for the digesters and the stair tower at the Bielefeld Heepen wastewater treatment plant. This includes thermal insulation for the digesters.

    BIELEFELD CITY OFFICE FOR CENTRAL SERVICES
    Published 4 Dec 2025
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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

    €0nominalBIELEFELD CITY OFFICE FOR CENTRAL SERVICES
    Published 23 Nov 2025

    Open in Environmental Services

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    Cleaning Services Tender - St Mary's Church of England High School

    St Mary's CE High School is seeking a cleaning contractor for a three-year contract worth £1,096,595 to deliver comprehensive cleaning services for 915 pupils and staff across a modern secondary school campus.

    est.£1,096,595St Mary's Church of England High School
    Published 25 Sept 2026
    OpenEnvironmental Services🇬🇧United Kingdom

    Pest Control Services for Senior Living Communities Across England

    Anchor is seeking experienced pest control providers to deliver preventative and reactive services across approximately 1,700 housing and care locations throughout mainland England.

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    Waste Management and Recycling Services Provider

    University of Leeds seeks innovative waste management and recycling service providers and invites market feedback via questionnaire to inform a 2027 tender process.

    £1,200,000indicativeUNIVERSITY OF LEEDS
    Published 25 Sept 2026
    OpenEnvironmental Services🇬🇧United Kingdom

    Cleaning Services Contract - Barham Primary School, Wembley

    Barham Primary School in Wembley is tendering its cleaning services contract, with services to commence 1st April 2027.

    £1nominalBarham Primary School (RM&C)
    Published 25 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