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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 50: Repair and maintenance services
• Niedersachsen
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73 results. Showing 1 to 20 of 73

1. OpenTender

   Rahmenvertrag Thermenwartung

   Buyer

   Landeshauptstadt Hannover - Zusatzversorgungskasse

   Place

   DE929 (Niedersachsen)

   Deadline

   4 Dec 2026, 10:00 (UTC+01:00)

   CPV

   50720000

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

   Wartung und Instandhaltung von zwei Blockheizkraftwerken

   Buyer

   Georg-August-Universität Göttingen Stiftung Öffentlichen Rechts

   Place

   DE91C (Niedersachsen)

   Deadline

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

   Published value

   €1,680,672.27 excl. VAT

   CPV

   50000000, 50530000

   Last checked 7 Nov 2026, 07:11 (UTC+01:00)Official notice
3. 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
4. OpenTender

   COSMOS – Reparatur- & Modifikationsleistungen an DC-Offshore-Netzanlagen der TenneT TSO GmbH

   Buyer

   TenneT TSO GmbH

   Place

   DEZZZ, DE929 (Niedersachsen)

   Deadline

   No deadline in the notice

   Published value

   €1 excl. VAT

   CPV

   50000000, 14622000, 45259000, 45262424

   Last checked 6 Nov 2026, 17:31 (UTC+01:00)Official notice
5. 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
6. 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
7. 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
8. OpenTender

   26-0331_S Prüfung Blitzschutzanlage

   Place

   DE9 (Niedersachsen)

   Deadline

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

   CPV

   50000000, 51000000, 55000000, 66000000

   Last checked 6 Nov 2026, 05:30 (UTC+01:00)Official notice
9. OpenTender

   Fäkalabfuhr 2027-2028

   Place

   DE9 (Niedersachsen)

   Deadline

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

   CPV

   50000000, 51000000, 55000000, 66000000

   Last checked 6 Nov 2026, 05:30 (UTC+01:00)Official notice
10. OpenTender

    Rahmenvertrag Aktenauslagerung für die Region Hannover

    Place

    DE9 (Niedersachsen)

    Deadline

    10 Nov 2026, 08:45 (UTC+01:00)

    CPV

    50000000, 51000000, 55000000, 66000000

    Last checked 6 Nov 2026, 05:30 (UTC+01:00)Official notice
11. OpenTender

    Wartung RWA am DLR Standort Braunschweig, Lilienthalplatz 7,38108 Braunschweig

    Place

    DE9 (Niedersachsen)

    Deadline

    2 Dec 2026, 09:45 (UTC+01:00)

    CPV

    50000000, 51000000, 55000000, 66000000

    Last checked 6 Nov 2026, 05:30 (UTC+01:00)Official notice
12. OpenTender

    Wartung RWA am DLR Standort Braunschweig, Lilienthalplatz 7,38108 Braunschweig

    Place

    DE9 (Niedersachsen)

    Deadline

    2 Dec 2026, 09:45 (UTC+01:00)

    CPV

    50000000, 51000000, 55000000, 66000000

    Last checked 6 Nov 2026, 05:30 (UTC+01:00)Official notice
13. OpenTender

    Rahmenvertrag für die Wartung, Kontrolle, Inspektion, Reparatur von Pumpwerken Stadt Seelze

    Buyer

    Stadt Seelze - 21.1 Innere Verwaltung - Zentrale Vergabestelle

    Place

    DE929 (Niedersachsen)

    Deadline

    4 Dec 2026, 10:45 (UTC+01:00)

    Published value

    €572,850 excl. VAT

    CPV

    50511100, 45232431

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

    Glas- und Rahmenreinigung in den Gebäuden der Samtgemeinde Gellersen

    Place

    DE9 (Niedersachsen)

    Deadline

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

    CPV

    50000000, 51000000, 55000000, 66000000

    Last checked 6 Nov 2026, 05:30 (UTC+01:00)Official notice
15. OpenTender

    Kanalreinigung 2027-2028

    Place

    DE9 (Niedersachsen)

    Deadline

    30 Nov 2026, 09:15 (UTC+01:00)

    CPV

    50000000, 51000000, 55000000, 66000000

    Last checked 6 Nov 2026, 05:30 (UTC+01:00)Official notice
16. OpenTender

    Fäkalabfuhr 2027-2028

    Place

    DE9 (Niedersachsen)

    Deadline

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

    CPV

    50000000, 51000000, 55000000, 66000000

    Last checked 6 Nov 2026, 05:30 (UTC+01:00)Official notice
17. OpenTender

    Glas- und Rahmenreinigung in den Gebäuden der Samtgemeinde Gellersen

    Place

    DE9 (Niedersachsen)

    Deadline

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

    CPV

    50000000, 51000000, 55000000, 66000000

    Last checked 6 Nov 2026, 05:30 (UTC+01:00)Official notice
18. OpenTender

    Kanalreinigung 2027-2028

    Place

    DE9 (Niedersachsen)

    Deadline

    30 Nov 2026, 09:15 (UTC+01:00)

    CPV

    50000000, 51000000, 55000000, 66000000

    Last checked 6 Nov 2026, 05:30 (UTC+01:00)Official notice
19. OpenTender

    Postdienstleistungen für den nationalen und internationalen Briefversand der Stadt Meppen für das Jahr 2027 mit Verlängerungsoption für das Jahr 2028

    Place

    DE9 (Niedersachsen)

    Deadline

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

    CPV

    50000000, 51000000, 55000000, 66000000

    Last checked 6 Nov 2026, 05:30 (UTC+01:00)Official notice
20. OpenTender

    Marien Hospital Papenburg Neuordnung KH 2.BA - KG461 Fördertechnik

    Buyer

    Marien Hospital Papenburg Aschendorf gGmbH

    Place

    DE949 (Niedersachsen)

    Deadline

    11 Dec 2026, 12:00 (UTC+01:00)

    CPV

    45313100, 42416100, 45215100, 50750000

    Last checked 5 Nov 2026, 07:10 (UTC+01:00)Official notice