Magistrat der Stadt Wien - Magistratsabteilung 31: public contracts and tenders
Magistrat der Stadt Wien - Magistratsabteilung 31 awarded 50 public contracts worth €71.2M where a value is stated since 2023-11-21; the construction work contract held by GLS Bau und Montage GmbH ends on 2026-12-06 (estimated: start + duration). Source: Arcadium Data, data as of .
At a glance
- Latest award: Stahlvollschutz-Rohre, Formstücke, Zubehör, DN 250 & 400, to Alpe Pipe Systems GmbH & Co.KG, 2026-07-22
- Contracts running with suppliers: 21 with an end date in the next 18 months (19 stated, 2 estimated). Next to end: 2026-12-06, GLS Bau und Montage GmbH (estimated: start + duration, estimated)
Awarded value = the award values the notices state (EUR at the notice date), 27 of 50 awards; framework agreements (a ceiling, not spend) and implausible values are left out.
6 of these awards are joint procedures with other buyers. Their value covers the whole group, so it is not counted in this buyer's awarded value; it is shown in the table below as shared.
Buyer
| Field | Value |
|---|---|
| Name | Magistrat der Stadt Wien - Magistratsabteilung 31 |
| Country | Austria |
| Buyer type | Public undertaking |
| City | Wien |
| Website | wien.gv.at/wienwasser/ |
| Procurement inbox | [email protected] |
| Sources | EU TED |
Top suppliers
| Supplier | Registry number | Website | Awards | Value won alone |
|---|---|---|---|---|
| E.Hawle Armaturenwerke GmbH | 5 | |||
| Diehl Metering GmbH | 3 | €1.3M | ||
| Diehl Metering GesmbH | 3 | €4.0M | ||
| Frauenthal Handel GmbH | 3 | €2.0M | ||
| Gratz & Böhm GmbH | 3 | |||
| Alpe Pipe Systems GmbH & Co.KG | 2 | €2.4M | ||
| Bilfinger Bohr- und Rohrtechnik GmbH | 2 | €3.9M | ||
| Dipl.Ing. A. Winkler & Co Baugesellschaft m.b.H. | 2 | €13.2M | ||
| Frauenthal Handel Gruppe AG | 2 | €3.1M | ||
| HF Energietechnik GmbH | 2 | €5.3M | ||
| Wallner & Neubert Gesellschaft m.b.H. | 2 | €3.6M | ||
| Leyrer + Graf Baugesellschaft m.b.H | 32725a Firmenbuchnummer (AT) | leyrer-graf.at | 1 | |
| Bmstr. Dipl.-Ing. MÖRTINGER & Co. GmbH | moertingerbau.at | 1 | ||
| Porr Bau GmbH | 34160k Firmenbuchnummer (AT) | porr.at | 1 | |
| Axlbau GmbH | 1 | €964k |
Suppliers named on Magistrat der Stadt Wien - Magistratsabteilung 31's award notices (the top 15 of 24); 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
End dates checked against the official notice: 99% right (n=100, 95% CI 94%-100%, 2026-10-26; method).
Award notices of Magistrat der Stadt Wien - Magistratsabteilung 31 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. 25 contracts; a framework's value is a ceiling and is not shown.
Open calls for tender
| Deadline | Call for tender | Published | Estimated value | Documents |
|---|---|---|---|---|
| 2026-11-10 | Generalsanierung Hebewerk und Subzentrale Hebewerk Rosenhügel - am Rosenhügel 5, 1130 Wien, V15 GU-BAU | 2026-10-14 | n/a | Tender documents |
| 2026-11-16 | Generalsanierung Hebewerk und Subzentrale Hebewerk Rosenhügel - am Rosenhügel 5, 1130 Wien V16 GU-T | 2026-10-14 | n/a | Tender documents |
| 2026-11-16 | Wien 16., /17., Sandleiteng. # Nietzschepl. über Güpferlingstr. b. Alszeile # Grünbeckweg + 17., Alszeile v.… | 2026-10-16 | n/a | Tender documents |
| 2026-11-16 | Wien 16., /17., Sandleiteng. # Nietzschepl. über Güpferlingstr. b. Alszeile # Grünbeckweg + 17., Alszeile v.… | 2026-10-16 | n/a | Tender documents |
Calls with a deadline of 2026-10-28 or later (not awarded yet).
Spend by sector (CPV divisions)
| Sector | CPV | Awards | Awarded value |
|---|---|---|---|
| Construction materials | 44 | 19 | €37.0M |
| Construction work | 45 | 16 | €28.7M |
| Laboratory and precision equipment | 38 | 6 | €5.3M |
| Architecture and engineering services | 71 | 1 | €168k |
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
Follow this buyer free
Get Magistrat der Stadt Wien - Magistratsabteilung 31'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 Austria). The same data is in the REST API and the MCP server.
Sources: 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, 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 Magistrat der Stadt Wien - Magistratsabteilung 31 awarded?
Magistrat der Stadt Wien - Magistratsabteilung 31 published 50 contract award notices between 2023-11-21 and 2026-07-22; the 27 that state a value add up to €71.2M (official notices, as of 2026-10-28).
Who are Magistrat der Stadt Wien - Magistratsabteilung 31's biggest suppliers?
By contract awards: E.Hawle Armaturenwerke GmbH (5), Diehl Metering GmbH (3) and Diehl Metering GesmbH (3) (as of 2026-10-28). Winners that could be a private person are not named.
Which Magistrat der Stadt Wien - Magistratsabteilung 31 contracts end soon?
25 contracts awarded by Magistrat der Stadt Wien - Magistratsabteilung 31 end in the next 18 months. The soonest with a named holder is the construction work contract held by GLS Bau und Montage GmbH, ending on 2026-12-06 (estimated: start + duration) (as of 2026-10-28).
Does Magistrat der Stadt Wien - Magistratsabteilung 31 have open tenders now?
Yes: 4 calls for tender from Magistrat der Stadt Wien - Magistratsabteilung 31 are open today (deadline 2026-10-28 or later) (as of 2026-10-28).
What does Magistrat der Stadt Wien - Magistratsabteilung 31 buy?
Most of Magistrat der Stadt Wien - Magistratsabteilung 31's awards are in Construction materials (CPV 44) (19), Construction work (CPV 45) (16) and Laboratory and precision equipment (CPV 38) (6) (as of 2026-10-28).
Cite as: Arcadium Data, "Magistrat der Stadt Wien - Magistratsabteilung 31 tenders and contracts: 50 awards, suppliers, contracts ending", https://arcadiumdata.io/tenders/buyers/magistrat-der-stadt-wien-magistratsabteilung-31-at/, data as of 2026-10-28.