Quadra Bau GmbH: public contracts won
Quadra Bau GmbH (quadrabau.de) won 14 public contract awards from 13 public buyers between 2024-01-04 and 2026-09-18; the 12 it won alone that state a value total €3.3M. Source: Arcadium Data, data as of .
At a glance
- Latest win: Tischler Türen 4. BA - Umbau und Erweiterung der Regenbogenschule mit Mensa in Seelze, Stadt Seelze - 21.1 Innere Verwaltung - Zentrale Vergabestelle, 2026-09-18, €41,042
- Active public contracts: 2 with an end date in the next 18 months (1 stated, 1 estimated). Next to end: 2026-12-23, Stadt Seelze - 21.1 Innere Verwaltung - Zentrale Vergabestelle (estimated: signed + duration, estimated)
- Track record: first award 2024-01-04, 14 awards; top buyers: Land Niedersachsen vertreten durch das Staatliche Baumanagement Niedersachsen (2), Ascherslebener Gebäude- und Wohnungsgesellschaft mbH (1), Georg-August-Universität Göttingen Stiftung Öffentlichen Rechts (1)
Follow this company Counts as of the latest notices in our database.
Company
| Field | Value |
|---|---|
| Registry number | DE322882409 |
| Register | VAT |
| Website | quadrabau.de |
Quadra Bau GmbH is linked to its register entry through the registration or VAT number stated on its award notices; the website comes from the register or the notices.
Contracts ending in the next 18 months
| Ends | Contract | Buyer | Value | End date basis |
|---|---|---|---|---|
| 2026-12-23 | Tischler Türen 4. BA - Umbau und Erweiterung der Regenbogenschule mit Mensa in Seelze | Stadt Seelze - 21.1 Innere Verwaltung - Zentrale Vergabestelle (DE) | €41,042 | estimated: signed + duration |
| 2027-06-25 | Trockenbau- u. Tischlerarbeiten, Holz-Innentüren - Neubau CPC, Geb. 9997, Hermann-Blenk-Straße, 38108 Braunsc… | Technische Universität Braunschweig, Geschäftsbereich 3 - Gebäudemanagement (DE) | €999k | end date stated |
Contracts ending = award notices naming Quadra Bau GmbH 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.
Awards per month
Contract award notices naming Quadra Bau GmbH as a winner, by publication month, 2023-11 to 2026-10.
Top public buyers
Sectors (CPV divisions)
| Sector | CPV | Awards |
|---|---|---|
| Construction work | 45 | 14 |
Buyer countries
| Country | Awards |
|---|---|
| Germany | 14 |
Recent awards
Value = the awarded value the notice states, in EUR (converted at the notice date); framework agreements show none (their value is a ceiling, not spend). A notice with several winners or lots states one total for all of them: it is shown per notice in the table but left out of "value won alone". Matched to quadrabau.de by company name, country and registry number where the notice states one.
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Source: Arcadium Data tenders database, 4,131,157 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 2026-10-28.
Questions
How many public contracts has Quadra Bau GmbH won?
Quadra Bau GmbH won 14 public contract awards published between 2024-01-04 and 2026-09-18, from 13 public buyers (official notices in EU TED and UK Find a Tender, as of 2026-10-28).
Who are Quadra Bau GmbH's biggest public-sector customers?
The public buyers that awarded Quadra Bau GmbH the most contracts are Land Niedersachsen vertreten durch das Staatliche Baumanagement Niedersachsen (2), Ascherslebener Gebäude- und Wohnungsgesellschaft mbH (1) and Georg-August-Universität Göttingen Stiftung Öffentlichen Rechts (1) (awards, as of 2026-10-28).
What does Quadra Bau GmbH supply to the public sector?
Most of Quadra Bau GmbH's awards are in Construction work (CPV 45) (14) as of 2026-10-28.
What is the value of Quadra Bau GmbH's public contracts?
The 12 awards Quadra Bau GmbH won alone that state a value add up to €3.3M; awards shared with other winners state one total for all and are not counted (as of 2026-10-28).
Cite as: Arcadium Data, "Quadra Bau GmbH public tenders won: 14 contract awards", https://arcadiumdata.io/tenders/winners/quadrabau.de/, data as of 2026-10-28.