SIURON ENGINEERING CHILE SPA: public contracts won without a rival in Chile: 3 uncontested awards; 100% of its awards; 3 without a competition; 0 single bid.
Assay record ASY-CL-1CWWNCV034 · Cite as: Assay Systems, “SIURON ENGINEERING CHILE SPA: public contracts won without a rival in Chile”, https://assay-systems.com/register/cl/uncontested/s/siuron-engineering-chile-spa/
SIURON ENGINEERING CHILE SPA won 3 of its 3 public contract awards in Chile without a rival from 2024-06-12 to 2025-11-07: 3 without a competition and 0 after a competition that drew a single bid. 2 buyers awarded it without a rival, the largest I MUNICIPALIDAD DE HUALAIHUE with 2.
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.
I MUNICIPALIDAD DE HUALAIHUE gave SIURON ENGINEERING CHILE SPA 2 awards: 2 without a competition, 0 after a competition with a single bid. First 2024-06-12, latest 2024-06-18.
I MUNICIPALIDAD DE CONCON gave SIURON ENGINEERING CHILE SPA 1 award: 1 without a competition, 0 after a competition with a single bid. First 2025-11-07, latest 2025-11-07.
| Date | Buyer | How | Stated reason |
|---|---|---|---|
| 2025-11-07 | I MUNICIPALIDAD DE CONCON CL-53775193 | No competition direct | Si sólo existe un proveedor del bien o servicio. (Monto superior a 1.000 utm.) |
| 2024-06-18 | I MUNICIPALIDAD DE HUALAIHUE CL-50690235 | No competition direct | — |
| 2024-06-12 | I MUNICIPALIDAD DE HUALAIHUE CL-50652452 | No competition direct | — |
Every uncontested award in Chile · All countries · SIURON ENGINEERING CHILE SPA in the register
Source: ChileCompra / Mercado Público open data (purchase orders and tenders). 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.