Winkenbach SA: public contracts won without a rival in Switzerland: 3 uncontested awards; 75% of its awards; 0 without a competition; 3 single bid.
Assay record ASY-CH-02C7RH10OL · Cite as: Assay Systems, “Winkenbach SA: public contracts won without a rival in Switzerland”, https://assay-systems.com/register/ch/uncontested/s/winkenbach-sa/
Winkenbach SA won 3 of its 4 public contract awards in Switzerland without a rival from 2025-10-02 to 2026-08-19: 0 without a competition and 3 after a competition that drew a single bid. 1 buyer awarded it without a rival, the largest Service des bâtiments de l'Etat de Neuchâtel - DOSP with 3.
An award is uncontested when the buyer had no rival offer to weigh: it was made without a competition (direct award, negotiated procedure without a call for tenders, sole-source or advance-notice contract), or a competition was held and only one bid arrived. Every count below is built award by award from the official notices. Awards to individuals are not included.
Service des bâtiments de l'Etat de Neuchâtel - DOSP gave Winkenbach SA 4 awards: 0 without a competition, 3 after a competition with a single bid. First 2025-10-02, latest 2026-08-19.
| Date | Buyer | How | Stated reason |
|---|---|---|---|
| 2026-04-08 | Service des bâtiments de l'Etat de Neuchâtel - DOSP 237382-2026 | Single bid open | — |
| 2026-04-08 | Service des bâtiments de l'Etat de Neuchâtel - DOSP 236806-2026 | Single bid open | — |
| 2025-10-02 | Service des bâtiments de l'Etat de Neuchâtel - DOSP 643303-2025 | Single bid open | — |
Every uncontested award in Switzerland · All countries · Winkenbach SA in the register
Source: Tenders Electronic Daily (TED), Publications Office of the European Union, contract award notices. Awards are matched to their buyer and supplier as published. Values in these notices often state a framework ceiling rather than a contract amount, so awards are counted, not summed. Updated 17 October 2026.