RIOSAN CIA LTDA: public contracts won without a rival in Chile: 7 uncontested awards; 2% of its awards; 6 without a competition; 1 single bid.
Assay record ASY-CL-0230AIU0AA · Cite as: Assay Systems, “RIOSAN CIA LTDA: public contracts won without a rival in Chile”, https://assay-systems.com/register/cl/uncontested/s/riosan-cia-ltda/
RIOSAN CIA LTDA won 7 of its 281 public contract awards in Chile without a rival from 2024-01-19 to 2026-04-02: 6 without a competition and 1 after a competition that drew a single bid. 7 buyers awarded it without a rival, the largest SERVICIO AGRICOLA Y GANADERO with 1.
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.
SERVICIO AGRICOLA Y GANADERO gave RIOSAN CIA LTDA 3 awards: 1 without a competition, 0 after a competition with a single bid. First 2024-04-09, latest 2024-11-21.
I MUNICIPALIDAD DE CHIGUAYANTE gave RIOSAN CIA LTDA 11 awards: 1 without a competition, 0 after a competition with a single bid. First 2024-01-19, latest 2025-04-22.
SECRETARIA REGIONAL MINISTERIAL DE PLANIFICACION Y COORD. VIII REGION gave RIOSAN CIA LTDA 1 award: 1 without a competition, 0 after a competition with a single bid. First 2025-08-08, latest 2025-08-08.
I MUNICIPALIDAD DE ARAUCO gave RIOSAN CIA LTDA 15 awards: 1 without a competition, 0 after a competition with a single bid. First 2024-03-07, latest 2025-07-14.
DIRECCION DEL TRABAJO gave RIOSAN CIA LTDA 1 award: 1 without a competition, 0 after a competition with a single bid. First 2025-12-26, latest 2025-12-26.
SEREMI Bienes Nacionales VIII Región gave RIOSAN CIA LTDA 2 awards: 1 without a competition, 0 after a competition with a single bid. First 2025-03-20, latest 2026-04-02.
MINISTERIO DE OBRAS PUBLICAS DIREC CION GRAL DE OO PP DCYF gave RIOSAN CIA LTDA 6 awards: 0 without a competition, 1 after a competition with a single bid. First 2024-06-03, latest 2025-05-05.
| Date | Buyer | How | Stated reason |
|---|---|---|---|
| 2026-04-02 | SEREMI Bienes Nacionales VIII Región CL-54587638 | No competition direct | Costo de evaluación desproporcionado, y por monto de contratación inferior a 100 UTM |
| 2025-12-26 | DIRECCION DEL TRABAJO CL-54077945 | No competition direct | Costo de evaluación desproporcionado, y por monto de contratación inferior a 100 UTM |
| 2025-08-08 | SECRETARIA REGIONAL MINISTERIAL DE PLANIFICACION Y COORD. VIII REGION CL-53223061 | No competition direct | Costo de evaluación desproporcionado, y por monto de contratación inferior a 100 UTM |
| 2025-06-18 | I MUNICIPALIDAD DE ARAUCO CL-52917918 | No competition direct | Adquisiciones inferiores a 30 UTM, que privilegien materias de alto impacto social |
| 2024-06-17 | I MUNICIPALIDAD DE CHIGUAYANTE CL-50679980 | No competition direct | — |
| 2024-06-03 | MINISTERIO DE OBRAS PUBLICAS DIREC CION GRAL DE OO PP DCYF CL-9361431 | Single bid Licitación Pública Menor a 100 UTM (L1) | — |
Every uncontested award in Chile · All countries
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.