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StatusAny statusOpenClosedAwardedCancelledKindTenders and grantsTendersGrantsCPV divisionAny CPV division03: Agricultural, farming, fishing, forestry and related products09: Petroleum products, fuel, electricity and other sources of energy14: Mining, basic metals and related products15: Food, beverages, tobacco and related products16: Agricultural machinery18: Clothing, footwear, luggage articles and accessories19: Leather and textile fabrics, plastic and rubber materials22: Printed matter and related products24: Chemical products30: Office and computing machinery, equipment and supplies except furniture and software packages31: Electrical machinery, apparatus, equipment and consumables; lighting32: Radio, television, communication, telecommunication and related equipment33: Medical equipments, pharmaceuticals and personal care products34: Transport equipment and auxiliary products to transportation35: Security, fire-fighting, police and defence equipment37: Musical instruments, sport goods, games, toys, handicraft, art materials and accessories38: Laboratory, optical and precision equipments (excl. glasses)39: Furniture (incl. office furniture), furnishings, domestic appliances (excl. lighting) and cleaning products41: Collected and purified water42: Industrial machinery43: Machinery for mining, quarrying, construction equipment44: Construction structures and materials; auxiliary products to construction (except electric apparatus)45: Construction work48: Software package and information systems50: Repair and maintenance services51: Installation services (except software)55: Hotel, restaurant and retail trade services60: Transport services (excl. Waste transport)63: Supporting and auxiliary transport services; travel agencies services64: Postal and telecommunications services65: Public utilities66: Financial and insurance services70: Real estate services71: Architectural, construction, engineering and inspection services72: IT services: consulting, software development, Internet and support73: Research and development services and related consultancy services75: Administration, defence and social security services76: Services related to the oil and gas industry77: Agricultural, forestry, horticultural, aquacultural and apicultural services79: Business services: law, marketing, consulting, recruitment, printing and security80: Education and training services85: Health and social work services90: Sewage, refuse, cleaning and environmental services92: Recreational, cultural and sporting services98: Other community, social and personal servicesBundeslandAny BundeslandBaden-WürttembergBayernBerlinBrandenburgBremenHamburgHessenMecklenburg-VorpommernNiedersachsenNordrhein-WestfalenRheinland-PfalzSaarlandSachsenSachsen-AnhaltSchleswig-HolsteinThüringenTopicAny topicArtificial intelligence– Generative AI and language models– Machine learning and data science– Computer vision– AI consulting and governanceCloud and cloud migrationData platforms and analyticsCybersecurityERP and SAPDigital public services (OZG)Software developmentIT operationsMinimum published value (EUR, excl. VAT)Sort byLast updateDeadlinePublication date

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• CPV 90: Sewage, refuse, cleaning and environmental services
• Niedersachsen
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134 results. Showing 1 to 20 of 134

1. OpenTender

   Durchführung einer Projektevaluierung des TZ-Projekts "Verantwortungsvolle Rohstofflieferketten und nachhaltige Produktion im Bergbausektor Mosambiks"

   Place

   DE9 (Niedersachsen)

   Deadline

   No deadline in the notice

   CPV

   50000000, 51000000, 55000000, 66000000

   Last checked 7 Nov 2026, 09:30 (UTC+01:00)Official notice
2. OpenTender

   IGM 26E1008 - Staatliches Baumanagement Braunschweig, Fachbereich Gebäudemanagement - Polizeiinspektion Lüneburg - Unterhalts- und Glasreinigung

   Buyer

   Land Niedersachsen vertreten durch das Staatliche Baumanagement Niedersachsen

   Place

   DE935 (Niedersachsen)

   Deadline

   12 Nov 2026, 09:30 (UTC+01:00)

   Published value

   €312,160 excl. VAT

   CPV

   90911200, 90911300

   Last checked 7 Nov 2026, 07:30 (UTC+01:00)Official notice
3. OpenTender

   26E70214 - Landesaufnahmebehörde Niedersachsen (LAB NI) Standort Grenzdurchgangslager Friedland - Unterhalts- und Glasreinigung

   Buyer

   Land Niedersachsen vertreten durch das Staatliche Baumanagement Niedersachsen

   Place

   DE91C (Niedersachsen)

   Deadline

   15 Dec 2026, 09:00 (UTC+01:00)

   CPV

   90910000, 90911300, 90911200

   Last checked 7 Nov 2026, 07:11 (UTC+01:00)Official notice
4. OpenTender

   Rahmenvertragsarbeiten Kanalinspektion und Sanierung in der Stadt Lingen (Ems)

   Buyer

   Stadt Lingen (Ems)

   Place

   DE949 (Niedersachsen)

   Deadline

   7 Dec 2026, 11:00 (UTC+01:00)

   CPV

   90491000

   Last checked 7 Nov 2026, 07:11 (UTC+01:00)Official notice
5. OpenTender

   UR GS Heinrich-Wilhelm-Olbers

   Buyer

   Landeshauptstadt Hannover - Fachbereich Personal und Organisation

   Place

   DE929 (Niedersachsen)

   Deadline

   7 Dec 2026, 10:30 (UTC+01:00)

   CPV

   90911200

   Last checked 7 Nov 2026, 07:11 (UTC+01:00)Official notice
6. OpenTender

   Vergabe RV Entsorgung Siedlungsabfälle 2027ff.

   Buyer

   Deutsche Bahn AG Konzernleitung (Bukr 10)

   Place

   DE300 (Berlin), DEF02 (Schleswig-Holstein), DE600 (Hamburg)

   Deadline

   No deadline in the notice

   Published value

   €241,593,000 excl. VAT

   CPV

   90500000

   Last checked 7 Nov 2026, 04:30 (UTC+01:00)Official notice
7. OpenTender

   Umweltplanung (UVP, LBP, ASB, Klima, Boden)

   Buyer

   Die Autobahn GmbH des Bundes - NL Nordwest

   Place

   DE925 (Niedersachsen)

   Deadline

   No deadline in the notice

   CPV

   90712000

   Last checked 7 Nov 2026, 00:30 (UTC+01:00)Official notice
8. OpenTender

   Entsorgung von Sickerwasser aus den Deponien Morgenstern und Bornhausen

   Buyer

   Landkreis Goslar

   Place

   DE916 (Niedersachsen)

   Deadline

   10 Nov 2026, 10:30 (UTC+01:00)

   CPV

   90513500

   Last checked 7 Nov 2026, 00:30 (UTC+01:00)Official notice
9. OpenTender

   Schöpfwerk Niendorf - Ersatzneubau

   Buyer

   NLWKN Betriebsstelle Lüneburg

   Place

   DE935 (Niedersachsen)

   Deadline

   No deadline in the notice

   CPV

   71320000, 71300000, 71313000, 71313400

   Last checked 6 Nov 2026, 22:30 (UTC+01:00)Official notice
10. OpenTender

    Isotopenanalysen von Grundwasserproben

    Place

    DE9 (Niedersachsen)

    Deadline

    No deadline in the notice

    CPV

    50000000, 51000000, 55000000, 66000000

    Last checked 6 Nov 2026, 17:31 (UTC+01:00)Official notice
11. OpenTender

    IGM26E580023 - UR+GlasR Staatliches Baumanagement Weser-Leine & UR Polizeiakademie Nds.

    Buyer

    Staatliches Baumanagement Region Nord-West

    Place

    DE927 (Niedersachsen)

    Deadline

    12 Nov 2026, 09:00 (UTC+01:00)

    CPV

    90911200, 90911300

    Last checked 6 Nov 2026, 17:31 (UTC+01:00)Official notice
12. OpenTender

    26E70221 - NLWKN Göttingen (UR+GlasR) + Amtsgericht Duderstadt (UR+GlasR) + Amtsgericht Osterode am Harz (UR) - Unterhalts- und Glasreinigung

    Buyer

    Land Niedersachsen vertreten durch das Staatliche Baumanagement Niedersachsen

    Place

    DE91C (Niedersachsen)

    Deadline

    12 Nov 2026, 10:00 (UTC+01:00)

    CPV

    90910000, 90911300, 90911200

    Last checked 6 Nov 2026, 16:30 (UTC+01:00)Official notice
13. OpenTender

    Radionuclide transport modelling for the German synthetic crystalline rock safety case

    Place

    DE9 (Niedersachsen)

    Deadline

    No deadline in the notice

    CPV

    50000000, 51000000, 55000000, 66000000

    Last checked 6 Nov 2026, 16:30 (UTC+01:00)Official notice
14. OpenTender

    Gebäudereinigung - Neubau CPC, Geb. 9997, Hermann-Blenk-Straße, 38108 Braunschweig

    Buyer

    Technische Universität Braunschweig, Geschäftsbereich 3 - Gebäudemanagement

    Place

    DE911 (Niedersachsen)

    Deadline

    9 Nov 2026, 11:00 (UTC+01:00)

    CPV

    45000000, 90911300, 90911000, 90911200

    Last checked 6 Nov 2026, 16:30 (UTC+01:00)Official notice
15. OpenTender

    26E70242 - Amtsgerichte Einbeck und Northeim - Unterhalts- und Glasreinigung

    Buyer

    Land Niedersachsen vertreten durch das Staatliche Baumanagement Niedersachsen

    Place

    DE918 (Niedersachsen)

    Deadline

    10 Nov 2026, 10:00 (UTC+01:00)

    CPV

    90910000, 90911300, 90911200

    Last checked 6 Nov 2026, 16:30 (UTC+01:00)Official notice
16. OpenTender

    Analytik, Betreuung, Räumung und Entsorgung Klärschilfbeete vom Klärwerk Wathlingen

    Buyer

    Samtgemeinde Wathlingen

    Place

    DE931 (Niedersachsen)

    Deadline

    10 Nov 2026, 10:00 (UTC+01:00)

    CPV

    90400000

    Last checked 6 Nov 2026, 15:30 (UTC+01:00)Official notice
17. OpenTender

    Reinigung Gebäude

    Buyer

    Eisenbahnen und Verkehrsbetriebe Elbe-Weser GmbH

    Place

    DE937 (Niedersachsen), DE502 (Bremen), DE945 (Niedersachsen)

    Deadline

    9 Nov 2026, 12:00 (UTC+01:00)

    CPV

    90911200

    Last checked 6 Nov 2026, 15:30 (UTC+01:00)Official notice
18. OpenTender

    Unterhaltsreinigung 30175 Hannover, Schiffgraben I 2 Etagen

    Buyer

    Niedersachsen.next GmbH

    Place

    DE929 (Niedersachsen)

    Deadline

    13 Nov 2026, 12:00 (UTC+01:00)

    CPV

    90910000

    Last checked 6 Nov 2026, 15:30 (UTC+01:00)Official notice
19. OpenTender

    Zusammenlegung Klinika JHD-Deichhorst und JHD-Mitte - Neubau Delme Klinikum Delmenhorst - Baureinigung

    Buyer

    Delme Klinikum Delmenhorst GmbH

    Place

    DE941 (Niedersachsen)

    Deadline

    9 Nov 2026, 10:00 (UTC+01:00)

    CPV

    45000000, 90911200, 90911300

    Last checked 6 Nov 2026, 14:30 (UTC+01:00)Official notice
20. OpenTender

    Rahmenvertrag zur Sicherheitsinspektion, Wartung, Instandsetzung und Ersatzbeschaffung von fest eingebauten und transportablen Turn- und Sportgeräten in den Sporthallen der Stadt Ronnenberg

    Place

    DE9 (Niedersachsen)

    Deadline

    9 Nov 2026, 08:00 (UTC+01:00)

    CPV

    50000000, 51000000, 55000000, 66000000

    Last checked 6 Nov 2026, 14:30 (UTC+01:00)Official notice