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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

Searching for

• CPV 71: Architectural, construction, engineering and inspection services
• Niedersachsen
• Clear all

466 results. Showing 141 to 160 of 466

1. OpenTender

   Sanierung Albert-Koenig-Museum - Planungsleistung HOAI TA

   Place

   DE9 (Niedersachsen)

   Deadline

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

   CPV

   71240000

   Last checked 30 Oct 2026, 06:30 (UTC+01:00)Official notice
2. OpenTender

   Sanitär- und Lüftungstechnik

   Place

   DE9 (Niedersachsen)

   Deadline

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

   CPV

   45000000, 43000000, 44000000, 71000000

   Last checked 30 Oct 2026, 06:30 (UTC+01:00)Official notice
3. AwardedTender

   Rysumer Nacken, Emden / Gastvogelkartierung (eP)

   Place

   DE9 (Niedersachsen)

   Deadline

   No deadline in the notice

   CPV

   71222200, 90713000, 92533000

   Last checked 30 Oct 2026, 06:30 (UTC+01:00)Official notice
4. OpenTender

   "Aufstellung eines Handlungskonzeptes zur Fließgewässer- und Auenentwicklung des Köhlener Mühlenbaches"

   Place

   DE9 (Niedersachsen)

   Deadline

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

   CPV

   71620000, 90733100, 90733000, 71900000

   Last checked 30 Oct 2026, 05:30 (UTC+01:00)Official notice
5. OpenTender

   Abriss Gebäude Harzburger Straße Braunlage

   Place

   DE9 (Niedersachsen)

   Deadline

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

   CPV

   45000000, 43000000, 44000000, 71000000

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

   "Untersuchung der Qualitätskomponenten Makrophyten und Angiospermen in der Tideelbe, Koordiniertes Elbe-Messprogramm 2027 (KEMP 2027)"

   Place

   DE9 (Niedersachsen)

   Deadline

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

   CPV

   71620000, 90733100, 90733000, 71900000

   Last checked 30 Oct 2026, 05:30 (UTC+01:00)Official notice
7. OpenTender

   Sanierung des Wendeplatzes

   Place

   DE9 (Niedersachsen)

   Deadline

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

   CPV

   45000000, 43000000, 44000000, 71000000

   Last checked 30 Oct 2026, 05:30 (UTC+01:00)Official notice
8. OpenTender

   Betriebunterstützungsvereinbarung Offshore (BUV)

   Buyer

   TenneT Offshore GmbH

   Place

   DE929 (Niedersachsen)

   Deadline

   No deadline in the notice

   Published value

   €1 excl. VAT

   CPV

   65320000, 63100000, 63111000, 63120000

   Last checked 4 Nov 2026, 15:10 (UTC+01:00)Official notice
9. AwardedTender

   Starkregenkonzept für 6 Kommunen im LK-Holzminden

   Buyer

   Landkreis Holzminden für 6 Kommunen im LK-Holzminden

   Place

   DE926 (Niedersachsen)

   Deadline

   No deadline in the notice

   CPV

   71000000, 79416000

   Last checked 4 Nov 2026, 15:10 (UTC+01:00)Official notice
10. OpenTender

    RV Hydrogeologische Modellierung und Data Science

    Buyer

    Bundesgesellschaft für Endlagerung mbH (BGE)

    Place

    DE91A (Niedersachsen)

    Deadline

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

    CPV

    71351900

    Last checked 4 Nov 2026, 15:10 (UTC+01:00)Official notice
11. OpenTender

    ABW - Erneuerung und Optimierung von Pumpwerken (Ingenieurleistungen)

    Place

    DE9 (Niedersachsen)

    Deadline

    1 Dec 2026, 11:30 (UTC+01:00)

    CPV

    71300000

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

    Immelmann-Kaserne Celle, Serielle energetische Sanierung Geb. 35+37

    Place

    DE9 (Niedersachsen)

    Deadline

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

    CPV

    71330000, 71200000

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

    Abbrucharbeiten, Erweiterung und Sanierung der Grundschule im bunten Dreieck

    Place

    DE9 (Niedersachsen)

    Deadline

    12 Nov 2026, 10:29 (UTC+01:00)

    CPV

    45000000, 43000000, 44000000, 71000000

    Last checked 30 Oct 2026, 05:30 (UTC+01:00)Official notice
14. OpenTender

    Abriss Gebäude Harzburger Straße Braunlage

    Place

    DE9 (Niedersachsen)

    Deadline

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

    CPV

    45000000, 43000000, 44000000, 71000000

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

    Umwandlung eines Naturrasenplatzes in einen Kunstrasenplatz

    Place

    DE9 (Niedersachsen)

    Deadline

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

    CPV

    45000000, 43000000, 44000000, 71000000

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

    Sanierung des Wendeplatzes

    Place

    DE9 (Niedersachsen)

    Deadline

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

    CPV

    45000000, 43000000, 44000000, 71000000

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

    Vermessung des Fließgewässers Ems zwischen Meppen und Papenburg

    Place

    DE9 (Niedersachsen)

    Deadline

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

    CPV

    71222200, 92533000, 90712000

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

    Stadt Syke: Umnutzung des Hotels Wessel zu einem Bibliotheks- und Kulturzentrum: Technische Ausrüstung

    Buyer

    Stadt Syke

    Place

    DE922 (Niedersachsen)

    Deadline

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

    CPV

    71000000, 71321000

    Last checked 4 Nov 2026, 15:10 (UTC+01:00)Official notice
19. OpenTender

    Sanierung des Objektes An der Eulenburg 19 in Reppenstedt - Fenster und Außentüren

    Place

    DE9 (Niedersachsen)

    Deadline

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

    CPV

    45000000, 43000000, 44000000, 71000000

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

    Staubfrei maschinelle Straßenreinigung im Stadtgebiet Pattensen, ab 01.01.2027

    Place

    DE9 (Niedersachsen)

    Deadline

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

    CPV

    50000000, 51000000, 55000000, 66000000

    Last checked 30 Oct 2026, 05:30 (UTC+01:00)Official notice