Wasserstraßen-Neubauamt Hannover: public contracts and tenders
Wasserstraßen-Neubauamt Hannover awarded 10 public contracts worth €104.7M where a value is stated since 2024-01-11; the construction work contract held by Johann Bunte Bauunternehmung SE & Co. KG ends on 2027-05-23 (signed + duration). Source: Arcadium Data, data as of .
Awarded value = the award values the notices state (EUR at the notice date), 7 of 10 awards; framework agreements (a ceiling, not spend) and implausible values are left out.
Buyer
| Field | Value |
|---|---|
| Name | Wasserstraßen-Neubauamt Hannover |
| Country | Germany |
| Buyer type | Central government authority |
| City | Hannover |
| Sources | service.bund.de (Germany), EU TED |
Top suppliers
| Supplier | Registry number | Website | Awards | Value won alone |
|---|---|---|---|---|
| DSD NOELL GmbH | DE239422990 VAT | dsd-noell.com | 1 | n/a |
| Hydrotec Ingenieurgesellschaft für Wasser und Umwelt mbH | DE121678010 VAT | hydrotec.de | 1 | n/a |
| Aquantec Gesellschaft für Wasser und Umwelt mbH | 1 | n/a | ||
| Hahn Transport GmbH | 1 | €2.8M | ||
| Johann Bunte Bauunternehmung SE & Co. KG | 1 | €7.5M | ||
| Ramboll Deutschland GmbH | 1 | €171k | ||
| SPIE Building Technology Automation & Traffic GmbH | 1 | n/a |
Suppliers named on Wasserstraßen-Neubauamt Hannover's award notices; registry number and website where the supplier is linked to its register entry. Winners that could be a private person are withheld.
Contracts ending in the next 18 months
| Ends | Contract | Current holder | Value | End date basis |
|---|---|---|---|---|
| 2027-05-23 | Wendebeckenerweiterung zwischen SKH-km 14,170 bis 14,340 | Johann Bunte Bauunternehmung SE & Co. KG | €7.5M | signed + duration |
| 2028-02-28 | Bau eines Trockendocks für die Schiebetore der Großen Seeschleuse WHV Leistungen für die Fachplanung und örtl… | Ramboll Deutschland GmbH | €171k | signed + duration |
End dates checked against the official notice: 99% right (n=100, 95% CI 94%-100%, 2026-10-26; method).
Award notices of Wasserstraßen-Neubauamt Hannover whose contract period ends in the next 18 months: the end date the notice states, else its start or signature date plus the stated duration. 2 contracts; a framework's value is a ceiling and is not shown.
Open calls for tender
| Deadline | Call for tender | Published | Estimated value |
|---|---|---|---|
| 2026-11-05 | Ersatz der Fähranlagen Brunsbüttel und Ostermoor | 2026-10-02 | n/a |
| 2026-11-10 | Grundinstandsetzung Wehr Geesthacht - Kampfmittel- und Baugrunderkundung Verladestelle / Montageplatz | 2026-10-16 | n/a |
Calls with a deadline of 2026-10-27 or later (not awarded yet).
Spend by sector (CPV divisions)
| Sector | CPV | Awards | Awarded value |
|---|---|---|---|
| Architecture and engineering services | 71 | 3 | €4.8M |
| Construction work | 45 | 2 | €34.6M |
| Waste, cleaning and environmental services | 90 | 1 | €2.8M |
Award notices with a named winner, by the main CPV code; value = the total the notices state, in EUR at the notice date; framework agreements (a ceiling, not spend) and implausible values are left out.
Recent awards
| Published | Contract | Winners | Value |
|---|---|---|---|
| 2026-09-04 | Bau eines Trockendocks für die Schiebetore der Großen Seeschleuse WHV Leistungen für die Fachplanung und örtl… | Ramboll Deutschland GmbH | €171k |
| 2026-04-21 | Wendebeckenerweiterung zwischen SKH-km 14,170 bis 14,340 | Johann Bunte Bauunternehmung SE & Co. KG | €7.5M |
| 2026-01-06 | Schiffsschleusenanlage Wedtlenstedt, Ersatzneubau der Westschleuse am Stichkanal Salzgitter (SKS), Los 2 ‚Sta… | DSD NOELL GmbH, SPIE Building Technology Automation & Traffic GmbH | €27.1M |
| 2025-05-12 | Erweiterung Wendebecken SKH - Entsorgung von Bodenmaterial | Hahn Transport GmbH | €2.8M |
| 2025-05-02 | Elbe-Lübeck-Kanal (ELK) - Aufbau des Modellwerkinstrumentariums für den Elbe-Lübeck-Kanal zur Erstellung eine… | Aquantec Gesellschaft für Wasser und Umwelt mbH, Hydrotec Ingenieurgesellschaft für Wasser und Umwelt mbH | €242k |
| 2024-01-11 | Örtliche Bauüberwachung und Fertigungsüberwachung für den Ersatzneubau der Schleuse Wedtlenstedt | €4.4M |
Follow this buyer free
Get Wasserstraßen-Neubauamt Hannover's new calls for tender, awards and contracts ending in a free weekly email (Tender Radar free tier: a saved search for this buyer's name in Germany). The same data is in the REST API and the MCP server.
Sources: service.bund.de (Germany), EU TED, read through their open-data feeds without logging in. Buyer = contracting authority as named on the notice; notices are grouped by the normalised name and country.
Source: Arcadium Data tenders database, 3,811,022 official public procurement notices from EU TED, UK Find a Tender, UK Contracts Finder and national procurement boards, read through their open-data services (no logins). Winners that could be a private person (sole traders) are withheld; buyers are public bodies. Data as of 2026-10-27.
Questions
How many public contracts has Wasserstraßen-Neubauamt Hannover awarded?
Wasserstraßen-Neubauamt Hannover published 10 contract award notices between 2024-01-11 and 2026-09-30; the 7 that state a value add up to €104.7M (official notices, as of 2026-10-27).
Who are Wasserstraßen-Neubauamt Hannover's biggest suppliers?
By contract awards: DSD NOELL GmbH (1), Hydrotec Ingenieurgesellschaft für Wasser und Umwelt mbH (1) and Aquantec Gesellschaft für Wasser und Umwelt mbH (1) (as of 2026-10-27). Winners that could be a private person are not named.
Which Wasserstraßen-Neubauamt Hannover contracts end soon?
2 contracts awarded by Wasserstraßen-Neubauamt Hannover end in the next 18 months. The soonest with a named holder is the construction work contract held by Johann Bunte Bauunternehmung SE & Co. KG, ending on 2027-05-23 (signed + duration) (as of 2026-10-27).
Does Wasserstraßen-Neubauamt Hannover have open tenders now?
Yes: 2 calls for tender from Wasserstraßen-Neubauamt Hannover are open today (deadline 2026-10-27 or later) (as of 2026-10-27).
What does Wasserstraßen-Neubauamt Hannover buy?
Most of Wasserstraßen-Neubauamt Hannover's awards are in Architecture and engineering services (CPV 71) (3), Construction work (CPV 45) (2) and Waste, cleaning and environmental services (CPV 90) (1) (as of 2026-10-27).
Cite as: Arcadium Data, "Wasserstraßen-Neubauamt Hannover tenders and contracts: 10 awards, suppliers, contracts ending", https://arcadiumdata.io/tenders/buyers/wasserstrassen-neubauamt-hannover-de/, data as of 2026-10-27.