Tenders / Buyers / Switzerland
Tiefbauamt Stadt Winterthur: public contracts and tenders
Tiefbauamt Stadt Winterthur awarded 15 public contracts worth €28.2M where a value is stated since 2024-12-09; the construction work contract held by DE_BURRI public elements AG ends on 2026-12-31 (end date stated). Source: Arcadium Data, data as of .
Awarded value = the award values the notices state (EUR at the notice date), 14 of 15 awards; framework agreements (a ceiling, not spend) and implausible values are left out.
Buyer
| Field | Value |
|---|---|
| Name | Tiefbauamt Stadt Winterthur |
| Country | Switzerland |
| Buyer type | Body governed by public law (local) |
| City | Winterthur |
| Sources | EU TED |
Top suppliers
| Supplier | Registry number | Website | Awards | Value won alone |
|---|---|---|---|---|
| DE_Alder-Zani AG Winterthur | 3 | €6.5M | ||
| DE_AFRY Schweiz AG | 1 | €775k | ||
| DE_Alder-Zani AG | 1 | €1.9M | ||
| DE_BURRI public elements AG | 1 | €4.8M | ||
| DE_Cellere Bau AG | 1 | €1.5M | ||
| DE_Flütsch Ingenieure AG | 1 | €222k | ||
| DE_Hunziker Betatech AG, Winterthur | 1 | €283k | ||
| DE_H. Wellauer AG | 1 | €1.1M | ||
| DE_KIBAG Bauleistungen AG | 1 | €7.8M | ||
| DE_LARAG AG | 1 | €2.9M | ||
| DE_SWARCO Schweiz AG | 1 | €288k |
Suppliers named on Tiefbauamt Stadt Winterthur'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 |
|---|---|---|---|---|
| 2026-12-31 | Querung Grüze, St. Gallerstrasse - Sulzerallee, Neubau - Querung Grüze, D3, Haltestelleninfrastruktur / Gelän… | DE_BURRI public elements AG | €4.8M | end date stated |
| 2027-03-26 | Schachenweg, Ziel- bis Schaffhauserstrasse, Strassenbau und Manuelle Kanalinnensanierung | DE_H. Wellauer AG | €1.1M | end date stated |
| 2027-04-30 | Gernstrasse, Rümikerstrasse - Gernstrasse 73 - Kanal und Strasse, Bauarbeiten, Allgemeine Tiefbauarbeiten | DE_Cellere Bau AG | €1.5M | end date stated |
| 2027-11-30 | Brauerstrasse, Meili- und Blatterstrasse - Strassenbau und Kanalersatz, Allgemeine Tiefbauarbeiten | DE_Alder-Zani AG Winterthur | €2.3M | end date stated |
End dates checked against the official notice: 99% right (n=100, 95% CI 94%-100%, 2026-10-26; method).
Award notices of Tiefbauamt Stadt Winterthur 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. 4 contracts; a framework's value is a ceiling and is not shown.
Open calls for tender
No open call for tender from Tiefbauamt Stadt Winterthur today.
Spend by sector (CPV divisions)
| Sector | CPV | Awards | Awarded value |
|---|---|---|---|
| Construction work | 45 | 8 | €23.5M |
| Architecture and engineering services | 71 | 3 | €1.3M |
| Security, fire-fighting and defence equipment | 35 | 2 | €504k |
| Transport equipment | 34 | 1 | €2.9M |
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 Tiefbauamt Stadt Winterthur'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 Switzerland). 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, 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 Tiefbauamt Stadt Winterthur awarded?
Tiefbauamt Stadt Winterthur published 15 contract award notices between 2024-12-09 and 2026-09-03; the 14 that state a value add up to €28.2M (official notices, as of 2026-10-27).
Who are Tiefbauamt Stadt Winterthur's biggest suppliers?
By contract awards: DE_Alder-Zani AG Winterthur (3), DE_AFRY Schweiz AG (1) and DE_Alder-Zani AG (1) (as of 2026-10-27). Winners that could be a private person are not named.
Which Tiefbauamt Stadt Winterthur contracts end soon?
4 contracts awarded by Tiefbauamt Stadt Winterthur end in the next 18 months. The soonest with a named holder is the construction work contract held by DE_BURRI public elements AG, ending on 2026-12-31 (end date stated) (as of 2026-10-27).
Does Tiefbauamt Stadt Winterthur have open tenders now?
No call for tender from Tiefbauamt Stadt Winterthur is open today in the official notices we read (as of 2026-10-27). Its 22 earlier calls are counted on this page.
What does Tiefbauamt Stadt Winterthur buy?
Most of Tiefbauamt Stadt Winterthur's awards are in Construction work (CPV 45) (8), Architecture and engineering services (CPV 71) (3) and Security, fire-fighting and defence equipment (CPV 35) (2) (as of 2026-10-27).
Cite as: Arcadium Data, "Tiefbauamt Stadt Winterthur tenders and contracts: 15 awards, suppliers, contracts ending", https://arcadiumdata.io/tenders/buyers/tiefbauamt-stadt-winterthur-ch/, data as of 2026-10-27.