COMERCIAL SIROMAX SPA: public contracts won without a rival in Chile

Updated 17 October 2026 · 2024-01-08 to 2026-04-20 · all of Chile · record in the register

COMERCIAL SIROMAX SPA: public contracts won without a rival in Chile: 42 uncontested awards; 33% of its awards; 28 without a competition; 14 single bid.

Assay record ASY-CL-0WVOI3A0LP · Cite as: Assay Systems, “COMERCIAL SIROMAX SPA: public contracts won without a rival in Chile”, https://assay-systems.com/register/cl/uncontested/s/comercial-siromax-spa/

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42uncontested awards
33%of its awards
28without a competition
14single bid

COMERCIAL SIROMAX SPA won 42 of its 129 public contract awards in Chile without a rival from 2024-01-08 to 2026-04-20: 28 without a competition and 14 after a competition that drew a single bid. 27 buyers awarded it without a rival, the largest CENTRAL ODONTOLOGICA PRIMERA ZONA NAVAL with 4.

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.

Buyers that awarded it without a rival

CENTRAL ODONTOLOGICA PRIMERA ZONA NAVAL4uncontested7awards57%of these awards

CENTRAL ODONTOLOGICA PRIMERA ZONA NAVAL gave COMERCIAL SIROMAX SPA 7 awards: 2 without a competition, 2 after a competition with a single bid. First 2024-04-04, latest 2026-04-15.

COMPLEJO ASISTENCIAL DR. SOTERO DEL RIO4uncontested4awards100%of these awards

COMPLEJO ASISTENCIAL DR. SOTERO DEL RIO gave COMERCIAL SIROMAX SPA 4 awards: 4 without a competition, 0 after a competition with a single bid. First 2024-12-20, latest 2025-09-15.

UNIVERSIDAD DE TALCA3uncontested15awards20%of these awards

UNIVERSIDAD DE TALCA gave COMERCIAL SIROMAX SPA 15 awards: 2 without a competition, 1 after a competition with a single bid. First 2024-01-08, latest 2025-06-24.

Carabineros de Chile - Unidad Contable Disalcar3uncontested7awards43%of these awards

Carabineros de Chile - Unidad Contable Disalcar gave COMERCIAL SIROMAX SPA 7 awards: 2 without a competition, 1 after a competition with a single bid. First 2024-04-01, latest 2026-04-13.

HOSPITAL COMPLEJO ASISTENCIAL PADRE LAS CASAS3uncontested10awards30%of these awards

HOSPITAL COMPLEJO ASISTENCIAL PADRE LAS CASAS gave COMERCIAL SIROMAX SPA 10 awards: 3 without a competition, 0 after a competition with a single bid. First 2024-04-06, latest 2024-08-27.

SERVICIO NACIONAL DE SALUD HOSPITAL DE PUERTO AYSEN2uncontested4awards50%of these awards

SERVICIO NACIONAL DE SALUD HOSPITAL DE PUERTO AYSEN gave COMERCIAL SIROMAX SPA 4 awards: 1 without a competition, 1 after a competition with a single bid. First 2024-05-23, latest 2025-07-12.

HOSPITAL CLINICO DE MAGALLANES DR. LAUTARO NAVARRO AVARIA2uncontested5awards40%of these awards

HOSPITAL CLINICO DE MAGALLANES DR. LAUTARO NAVARRO AVARIA gave COMERCIAL SIROMAX SPA 5 awards: 2 without a competition, 0 after a competition with a single bid. First 2024-01-10, latest 2026-04-20.

CORP MUNIC EDUC SALUD Y ATENCION2uncontested3awards67%of these awards

CORP MUNIC EDUC SALUD Y ATENCION gave COMERCIAL SIROMAX SPA 3 awards: 2 without a competition, 0 after a competition with a single bid. First 2024-03-05, latest 2025-12-23.

Show all 27
UNIVERSIDAD DE LA FRONTERA1uncontested2awards50%of these awards

UNIVERSIDAD DE LA FRONTERA gave COMERCIAL SIROMAX SPA 2 awards: 1 without a competition, 0 after a competition with a single bid. First 2024-08-28, latest 2025-04-17.

SERVICIO DE SALUD ARAUCANIA SUR1uncontested1awards100%of these awards

SERVICIO DE SALUD ARAUCANIA SUR gave COMERCIAL SIROMAX SPA 1 award: 0 without a competition, 1 after a competition with a single bid. First 2024-11-06, latest 2024-11-06.

SERVICIO DE SALUD DEL MAULE HOSPITAL DE CURICO1uncontested2awards50%of these awards

SERVICIO DE SALUD DEL MAULE HOSPITAL DE CURICO gave COMERCIAL SIROMAX SPA 2 awards: 0 without a competition, 1 after a competition with a single bid. First 2024-09-24, latest 2025-04-25.

SERVICIO DE SALUD CHILOE1uncontested2awards50%of these awards

SERVICIO DE SALUD CHILOE gave COMERCIAL SIROMAX SPA 2 awards: 0 without a competition, 1 after a competition with a single bid. First 2024-06-05, latest 2024-06-26.

SERVICIO DE SALUD VALDIVIA HOSPITAL BASE1uncontested3awards33%of these awards

SERVICIO DE SALUD VALDIVIA HOSPITAL BASE gave COMERCIAL SIROMAX SPA 3 awards: 0 without a competition, 1 after a competition with a single bid. First 2025-06-10, latest 2026-02-04.

Hospital de Quellón1uncontested2awards50%of these awards

Hospital de Quellón gave COMERCIAL SIROMAX SPA 2 awards: 0 without a competition, 1 after a competition with a single bid. First 2024-12-10, latest 2025-03-06.

SERVICIO DE SALUD SUR HOSPITAL LUCIO CORDOVA1uncontested1awards100%of these awards

SERVICIO DE SALUD SUR HOSPITAL LUCIO CORDOVA gave COMERCIAL SIROMAX SPA 1 award: 1 without a competition, 0 after a competition with a single bid. First 2024-12-24, latest 2024-12-24.

UNIVERSIDAD DE ANTOFAGASTA1uncontested2awards50%of these awards

UNIVERSIDAD DE ANTOFAGASTA gave COMERCIAL SIROMAX SPA 2 awards: 0 without a competition, 1 after a competition with a single bid. First 2026-01-13, latest 2026-01-30.

HOSPITAL CLINICO DE LA FUERZA AEREA GRAL DR RAUL YAZIGI JAUREGUI1uncontested5awards20%of these awards

HOSPITAL CLINICO DE LA FUERZA AEREA GRAL DR RAUL YAZIGI JAUREGUI gave COMERCIAL SIROMAX SPA 5 awards: 0 without a competition, 1 after a competition with a single bid. First 2024-01-25, latest 2025-07-18.

Corporación Municipal de Lo Prado1uncontested1awards100%of these awards

Corporación Municipal de Lo Prado gave COMERCIAL SIROMAX SPA 1 award: 1 without a competition, 0 after a competition with a single bid. First 2026-02-18, latest 2026-02-18.

HOSPITAL GUILLERMO GRANT BENAVENTE DE CO1uncontested2awards50%of these awards

HOSPITAL GUILLERMO GRANT BENAVENTE DE CO gave COMERCIAL SIROMAX SPA 2 awards: 0 without a competition, 1 after a competition with a single bid. First 2024-12-19, latest 2026-01-27.

SERVICIO DE SALUD SUR HOSPITAL EXEQUIEL1uncontested2awards50%of these awards

SERVICIO DE SALUD SUR HOSPITAL EXEQUIEL gave COMERCIAL SIROMAX SPA 2 awards: 1 without a competition, 0 after a competition with a single bid. First 2024-12-10, latest 2025-06-12.

SERVICIO DE SALUD DEL LIBERTADOR B O'HIGGINS HOSPITAL REG RANCAGUA1uncontested5awards20%of these awards

SERVICIO DE SALUD DEL LIBERTADOR B O'HIGGINS HOSPITAL REG RANCAGUA gave COMERCIAL SIROMAX SPA 5 awards: 1 without a competition, 0 after a competition with a single bid. First 2024-03-28, latest 2025-04-01.

ILUSTRE MUNICIPALIDAD DE SAN CARLOS1uncontested2awards50%of these awards

ILUSTRE MUNICIPALIDAD DE SAN CARLOS gave COMERCIAL SIROMAX SPA 2 awards: 1 without a competition, 0 after a competition with a single bid. First 2024-05-27, latest 2024-11-11.

HOSPITAL DE ALTO HOSPICIO1uncontested1awards100%of these awards

HOSPITAL DE ALTO HOSPICIO gave COMERCIAL SIROMAX SPA 1 award: 0 without a competition, 1 after a competition with a single bid. First 2025-10-30, latest 2025-10-30.

SERVICIO NACIONAL DE SALUD HOSPITAL DE C1uncontested1awards100%of these awards

SERVICIO NACIONAL DE SALUD HOSPITAL DE C gave COMERCIAL SIROMAX SPA 1 award: 1 without a competition, 0 after a competition with a single bid. First 2026-01-28, latest 2026-01-28.

SERVICIO DE SALUD DEL MAULE HOSPITAL DE TALCA1uncontested6awards17%of these awards

SERVICIO DE SALUD DEL MAULE HOSPITAL DE TALCA gave COMERCIAL SIROMAX SPA 6 awards: 1 without a competition, 0 after a competition with a single bid. First 2024-06-24, latest 2025-09-01.

CORPORACION DE EDUCACION, SALUD Y MENORES DE PUERT1uncontested1awards100%of these awards

CORPORACION DE EDUCACION, SALUD Y MENORES DE PUERT gave COMERCIAL SIROMAX SPA 1 award: 1 without a competition, 0 after a competition with a single bid. First 2024-08-23, latest 2024-08-23.

Ilustre Municipalidad de Río Negro - Salud1uncontested1awards100%of these awards

Ilustre Municipalidad de Río Negro - Salud gave COMERCIAL SIROMAX SPA 1 award: 1 without a competition, 0 after a competition with a single bid. First 2025-05-16, latest 2025-05-16.

Latest awards without a rival

DateBuyerHowStated reason
2026-04-20HOSPITAL CLINICO DE MAGALLANES DR. LAUTARO NAVARRO AVARIA
CL-54664479
No competition
direct
Naturaleza de la negociación - Reposición o complementación de servicios o equipamientos accesorios
2026-04-13Carabineros de Chile - Unidad Contable Disalcar
CL-9620030
Single bid
Licitación Pública Entre 100 y 1000 UTM (LE)
—
2026-02-18Corporación Municipal de Lo Prado
CL-54344918
No competition
direct
Naturaleza de la negociación - Reposición o complementación de servicios o equipamientos accesorios
2026-02-04SERVICIO DE SALUD VALDIVIA HOSPITAL BASE
CL-9620408
Single bid
Licitación Pública Entre 100 y 1000 UTM (LE)
—
2026-01-30UNIVERSIDAD DE ANTOFAGASTA
CL-9622244
Single bid
Licitación Privada entre 100 y 1000 UTM.
—
2026-01-28SERVICIO NACIONAL DE SALUD HOSPITAL DE C
CL-53754789
No competition
direct
Emergencia, urgencia o imprevisto

Every uncontested award in Chile · All countries · COMERCIAL SIROMAX 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.