Switzerland · TED award notices · Supplier record

Alder-Zani AG

Line: Sewerage work (CPV 45232410)Register loaded to September 2026Compiled 12 October 2026

Alder-Zani AG — Switzerland · TED award notices · Supplier record: 4 award notices, all years (Jun 2025 – May 2026); 4 since January 2024 (3 buyers); 1st rank in the line (of 33 suppliers · 7.9%); 26 buyers never served (30 notices in the line from them).

Assay record ASY-CH-129S4WB1KJ · Cite as: Assay Systems, “Alder-Zani AG in the TED register for Switzerland”, https://assay-systems.com/register/ch/alder-zani-ag/

4
award notices, all years
Jun 2025 – May 2026
4
since January 2024
3 buyers
1st
rank in the line
of 33 suppliers · 7.9%
26
buyers never served
30 notices in the line from them

Own record by year

award notices, 2023 onward
2
2
2023202420252026

Who buys from Alder-Zani AG

since January 2024
3buyers
4notices
50%top buyer
Stadt Rorschach50.0%
2 notices
Gebäudeversicherung Kanton Zürich25.0%
1 notice
Tiefbauamt Stadt Winterthur25.0%
1 notice

The line

since January 2024
38award notices
29buyers
33suppliers
41.0%held by top ten

Sewerage work (CPV 45232410)

14
15
9
202420252026Jan–Sep
1stof 33 suppliers
3notices name Alder-Zani AG
7.9%share of the line
16.7%of 6 notices from Tiefbauamt Stadt Winterthur
100.0%of 1 notice from Gebäudeversicherung Kanton Zürich
100.0%of 1 notice from Stadt Rorschach
8new suppliers since 2025

Buyers that buy the line and never named Alder-Zani AG

since November 2023
26buyers
30notices since 2024
13buyers took a new supplier
16suppliers came in that way
Unité soumissions - Département de l'aménagement, des constructions et de la mobilité (DACM) de la Ville de Genève
3 notices
ASIGOS
2 notices
Bau- und Verkehrsdepartement des Kantons Basel-Stadt, Kantonale Fachstelle für öffentliche Beschaffungen
2 notices
Abwasserverband Buchs SG
1 notice
Abwasserverband Region Kerzers
1 notice
Amt für Grundstücke und Gebäude des Kantons Bern
1 notice
armasuisse Immobilien
1 notice
atelier march
1 notice
Basler Verkehrs-Betriebe (BVB)
1 notice
Betriebe Ostermundigen
1 notice
Bundesamt für Bauten und Logistik BBL, Abteilung Projektmanagement
1 notice
Fachstelle Beschaffungswesen Stadt Bern
1 notice
Fondation des Parkings - Service des achats
1 notice
Gebäudeversicherung Kanton Zürich Feuerwehr
1 notice
Gemeinde Dürnten, Tiefbauabteilung
1 notice
Gemeinde Flawil, Baukommission Marktplatz
1 notice
Gemeinde Flawil c/o Andy Senn Architekt BSA SIA GmbH
1 notice
Gemeinde Wollerau Abt. Infrastruktur
1 notice
Hochbauamt, Baubereich B
1 notice
Hochbauamt Kanton Zürich, Baubereich C
1 notice
Kanton Zürich Hochbauaumt, Baubereich D
1 notice
Service Achats
1 notice
Service des bâtiments de l'Etat de Neuchâtel - DOSP
1 notice
Stadt Zürich Wasserversorgung
1 notice
Ville de Bienne, Département des constructions
1 notice
Ville de Vernier - Service de l'aménagement
1 notice

Suppliers next to it in the line

since January 2024
Alder-Zani AG
3 notices
Alder-Zani AG Winterthur1 buyer
2 notices
Büchi Bauunternehmung AG2 buyers
2 notices
Entreprise Belloni SA2 buyers
2 notices

All 33 suppliers in the line

The extract

Every buyer, every supplier, award date, notice number and value where one is disclosed, behind the figures above.

Request extract

Source: contract award notices for Switzerland in Tenders Electronic Daily (TED), Publications Office of the European Union, ted.europa.eu, reusable for commercial purposes under Commission Decision 2011/833/EU; notices from November 2023, when TED began to publish the winning supplier, to 30 September 2026, accessed 11 October 2026.Assay Systems has changed the data.