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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
    16 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
    16 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, SOLO SERVICE GROUP LTD — the field to beat, or your route in as a partner.

    More from BIELEFELD CITY OFFICE FOR CENTRAL SERVICES

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    AwardedDefence & Security🇩🇪Germany

    Firefighting Vehicle Procurement

    The City of Bielefeld is seeking suppliers for the procurement of a Logistics Vehicle (GW-L) for firefighting purposes. This contract involves acquiring a specialized vehicle designed to support logistics operations within the fire department. The total value of the contract is €137,919. Interested

    €137,919BIELEFELD CITY OFFICE FOR CENTRAL SERVICES
    Published 11 Feb 2026
    ClosedTransport & Logistics🇩🇪Germany

    Firefighting Vehicle Procurement

    The City of Bielefeld is seeking suppliers for the procurement of a Logistics Equipment Vehicle (GW-L). This contract involves the supply of specialized firefighting vehicles designed for logistical support. Suppliers are invited to submit their proposals for this opportunity. The deadline for submi

    BIELEFELD CITY OFFICE FOR CENTRAL SERVICES
    Published 9 Dec 2025
    ClosedConstruction🇩🇪Germany

    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
    AwardedEnvironmental Services🇩🇪Germany

    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

    4 open listingsView all →
    Environmental Services🇬🇧United Kingdom

    Landscape Maintenance Framework for Molendinar and Reidvale Housing Associations

    Landscape maintenance framework for two Glasgow housing associations covering multiple properties in areas G31, G40, and G45.

    Molendinar Park Housing Association Limited
    Published 16 Oct 2026
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    Sludge Dewatering and Disposal Services – Teagasc Moorepark Campus

    Teagasc seeks experienced suppliers for sludge dewatering and disposal services at its Moorepark campus in County Cork, with optional site visits available in October 2026.

    est.€250,000TEAGASC THE AGRICULTURE AND FOOD DEVELOPMENT AUTHORITY
    Published 16 Oct 2026
    OpenEnvironmental Services🇬🇧United Kingdom

    Hydrodynamic Monitoring Services for Anglian Coastal Region

    The Environment Agency requires a contractor to deliver full hydrodynamic monitoring services, equipment maintenance, and data management for coastal monitoring across the Anglian region from April 2027 to March 2031.

    £1,300,685indicativeENVIRONMENT AGENCY
    Published 15 Oct 2026
    Environmental Services🇮🇪Ireland

    Integrated Source Protection Plan Development for Bullaun Group Water Scheme

    Develop an integrated source protection plan for a community water cooperative to safeguard drinking water sources and ensure regulatory compliance.

    Bullaun (Loughrea) Group Water Scheme
    Published 15 Oct 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

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    Buyer
    BIELEFELD CITY OFFICE FOR CENTRAL SERVICES
    Sector
    Environmental Services