VIENNATONE S.A: public contracts won without a rival in Ecuador: 29 uncontested awards; 88% of its awards; 29 without a competition; 0 single bid.
Assay record ASY-EC-0S1GZ4W0SN · Cite as: Assay Systems, “VIENNATONE S.A: public contracts won without a rival in Ecuador”, https://assay-systems.com/register/ec/uncontested/s/viennatone-s-a/
VIENNATONE S.A won 29 of its 33 public contract awards in Ecuador without a rival from 2016-03-31 to 2019-09-28: 29 without a competition and 0 after a competition that drew a single bid. 12 buyers awarded it without a rival, the largest HOSPITAL DE ESPECIALIDADES CARLOS ANDRADE MARIN with 11.
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.
HOSPITAL DE ESPECIALIDADES CARLOS ANDRADE MARIN gave VIENNATONE S.A 11 awards: 11 without a competition, 0 after a competition with a single bid. First 2016-06-02, latest 2019-09-28.
HOSPITAL GENERAL ENRIQUE GARCES gave VIENNATONE S.A 4 awards: 4 without a competition, 0 after a competition with a single bid. First 2016-07-20, latest 2019-07-15.
HOSPITAL GENERAL - PORTOVIEJO gave VIENNATONE S.A 3 awards: 3 without a competition, 0 after a competition with a single bid. First 2016-03-31, latest 2017-02-13.
HOSPITAL PEDIATRICO BACA ORTIZ gave VIENNATONE S.A 3 awards: 3 without a competition, 0 after a competition with a single bid. First 2016-07-20, latest 2019-07-15.
HOSPITAL PROVINCIAL GENERAL ISIDRO AYORA gave VIENNATONE S.A 1 award: 1 without a competition, 0 after a competition with a single bid. First 2018-08-06, latest 2018-08-06.
Hospital Quito No.1 de la Policia Nacional gave VIENNATONE S.A 1 award: 1 without a competition, 0 after a competition with a single bid. First 2017-10-16, latest 2017-10-16.
Municipio del Distrito Metropolitano de Quito gave VIENNATONE S.A 1 award: 1 without a competition, 0 after a competition with a single bid. First 2018-12-13, latest 2018-12-13.
UNIDAD METROPOLITANA DE SALUD SUR gave VIENNATONE S.A 1 award: 1 without a competition, 0 after a competition with a single bid. First 2016-06-13, latest 2016-06-13.
HOSPITAL BASICO EL PUYO gave VIENNATONE S.A 1 award: 1 without a competition, 0 after a competition with a single bid. First 2017-12-06, latest 2017-12-06.
HOSPITAL DE ESPECIALIDADES FUERZAS ARMADAS NO. 1 gave VIENNATONE S.A 1 award: 1 without a competition, 0 after a competition with a single bid. First 2017-05-25, latest 2017-05-25.
HOSPITAL DE ESPECIALIDADES JOSÉ CARRASCO ARTEAGA gave VIENNATONE S.A 1 award: 1 without a competition, 0 after a competition with a single bid. First 2016-04-06, latest 2016-04-06.
CENTRO DE ESPECIALIDADES CENTRAL CUENCA gave VIENNATONE S.A 1 award: 1 without a competition, 0 after a competition with a single bid. First 2018-03-09, latest 2018-03-09.
| Date | Buyer | How | Stated reason |
|---|---|---|---|
| 2019-09-28 | HOSPITAL DE ESPECIALIDADES CARLOS ANDRADE MARIN ocds-5wno2w-RE-PU-HCAM-2019-018-54651 | No competition direct | Bienes y Servicios únicos |
| 2019-07-15 | HOSPITAL GENERAL ENRIQUE GARCES ocds-5wno2w-RE-HGEG-008-2019-106745 | No competition direct | Bienes y Servicios únicos |
| 2019-07-15 | HOSPITAL PEDIATRICO BACA ORTIZ ocds-5wno2w-RE-HBO-029-2019-GT-40576 | No competition direct | Bienes y Servicios únicos |
| 2018-12-13 | Municipio del Distrito Metropolitano de Quito ocds-5wno2w-RE-UMSS-2018-0006-813114 | No competition direct | Repuestos o Accesorios |
| 2018-08-13 | HOSPITAL DE ESPECIALIDADES CARLOS ANDRADE MARIN ocds-5wno2w-RE-PU-HCAM-2018-099-54651 | No competition direct | Bienes y Servicios únicos |
| 2018-08-06 | HOSPITAL PROVINCIAL GENERAL ISIDRO AYORA ocds-5wno2w-RE-HIAL-0012-2018-8458 | No competition direct | Repuestos o Accesorios |
Every uncontested award in Ecuador · All countries
Source: contract awards published by the National Public Procurement Service of Ecuador (SERCOP) in the Open Contracting Data Standard (data.open-contracting.org), licensed under CC BY 3.0 EC; awards from January 2016 to 30 September 2026, accessed 15 October 2026. 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.