{
  "api": "assay-systems/v1",
  "key_tier": "none",
  "retrieved": "2026-10-18T02:33:58Z",
  "source": "Assay Systems register, https://assay-systems.com/register/",
  "access_notice": "On 15 November 2026, automated access to assay-systems.com closes. After that date, access is available only under a paid annual subscription contract. Contact: contact@assay-systems.com",
  "data": {
    "id": "ASY-EC-0S1GZ4W0SN",
    "type": "page",
    "country": "ec",
    "name": "VIENNATONE S.A: public contracts won without a rival in Ecuador",
    "url": "https://assay-systems.com/register/ec/uncontested/s/viennatone-s-a/",
    "figures": [
      {
        "label": "uncontested awards",
        "value": 29,
        "unit": "count"
      },
      {
        "label": "of its awards",
        "value": 88,
        "unit": "percent",
        "display": "88%"
      },
      {
        "label": "without a competition",
        "value": 29,
        "unit": "count"
      },
      {
        "label": "single bid",
        "value": 0,
        "unit": "count"
      }
    ],
    "text": [
      "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."
    ],
    "tables": [
      [
        {},
        {
          "Date": "2019-09-28",
          "Buyer": "HOSPITAL DE ESPECIALIDADES CARLOS ANDRADE MARIN ocds-5wno2w-RE-PU-HCAM-2019-018-54651",
          "Buyer link": "https://assay-systems.com/register/ec/uncontested/b/hospital-de-especialidades-carlos-andrade-marin-2/",
          "How": "No competition direct",
          "Stated reason": "Bienes y Servicios únicos"
        },
        {
          "Date": "2019-07-15",
          "Buyer": "HOSPITAL GENERAL ENRIQUE GARCES ocds-5wno2w-RE-HGEG-008-2019-106745",
          "Buyer link": "https://assay-systems.com/register/ec/uncontested/b/hospital-general-enrique-garces-2/",
          "How": "No competition direct",
          "Stated reason": "Bienes y Servicios únicos"
        },
        {
          "Date": "2019-07-15",
          "Buyer": "HOSPITAL PEDIATRICO BACA ORTIZ ocds-5wno2w-RE-HBO-029-2019-GT-40576",
          "Buyer link": "https://assay-systems.com/register/ec/uncontested/b/hospital-pediatrico-baca-ortiz-2/",
          "How": "No competition direct",
          "Stated reason": "Bienes y Servicios únicos"
        },
        {
          "Date": "2018-12-13",
          "Buyer": "Municipio del Distrito Metropolitano de Quito ocds-5wno2w-RE-UMSS-2018-0006-813114",
          "Buyer link": "https://assay-systems.com/register/ec/uncontested/b/municipio-del-distrito-metropolitano-de-quito-44/",
          "How": "No competition direct",
          "Stated reason": "Repuestos o Accesorios"
        },
        {
          "Date": "2018-08-13",
          "Buyer": "HOSPITAL DE ESPECIALIDADES CARLOS ANDRADE MARIN ocds-5wno2w-RE-PU-HCAM-2018-099-54651",
          "Buyer link": "https://assay-systems.com/register/ec/uncontested/b/hospital-de-especialidades-carlos-andrade-marin-2/",
          "How": "No competition direct",
          "Stated reason": "Bienes y Servicios únicos"
        },
        {
          "Date": "2018-08-06",
          "Buyer": "HOSPITAL PROVINCIAL GENERAL ISIDRO AYORA ocds-5wno2w-RE-HIAL-0012-2018-8458",
          "Buyer link": "https://assay-systems.com/register/ec/uncontested/b/hospital-provincial-general-isidro-ayora-2/",
          "How": "No competition direct",
          "Stated reason": "Repuestos o Accesorios"
        }
      ]
    ],
    "records": [
      {
        "name": "all of Ecuador",
        "url": "https://assay-systems.com/register/ec/uncontested/"
      },
      {
        "name": "HOSPITAL DE ESPECIALIDADES CARLOS ANDRADE MARIN",
        "url": "https://assay-systems.com/register/ec/uncontested/b/hospital-de-especialidades-carlos-andrade-marin-2/"
      },
      {
        "name": "HOSPITAL GENERAL ENRIQUE GARCES",
        "url": "https://assay-systems.com/register/ec/uncontested/b/hospital-general-enrique-garces-2/"
      },
      {
        "name": "HOSPITAL GENERAL - PORTOVIEJO",
        "url": "https://assay-systems.com/register/ec/uncontested/b/hospital-general-portoviejo/"
      },
      {
        "name": "HOSPITAL PEDIATRICO BACA ORTIZ",
        "url": "https://assay-systems.com/register/ec/uncontested/b/hospital-pediatrico-baca-ortiz-2/"
      },
      {
        "name": "HOSPITAL PROVINCIAL GENERAL ISIDRO AYORA",
        "url": "https://assay-systems.com/register/ec/uncontested/b/hospital-provincial-general-isidro-ayora-2/"
      },
      {
        "name": "Hospital Quito No.1 de la Policia Nacional",
        "url": "https://assay-systems.com/register/ec/uncontested/b/hospital-quito-no-1-de-la-policia-nacional-2/"
      },
      {
        "name": "Municipio del Distrito Metropolitano de Quito",
        "url": "https://assay-systems.com/register/ec/uncontested/b/municipio-del-distrito-metropolitano-de-quito-44/"
      },
      {
        "name": "UNIDAD METROPOLITANA DE SALUD SUR",
        "url": "https://assay-systems.com/register/ec/uncontested/b/unidad-metropolitana-de-salud-sur-2/"
      },
      {
        "name": "HOSPITAL BASICO EL PUYO",
        "url": "https://assay-systems.com/register/ec/uncontested/b/hospital-basico-el-puyo/"
      },
      {
        "name": "HOSPITAL DE ESPECIALIDADES FUERZAS ARMADAS NO. 1",
        "url": "https://assay-systems.com/register/ec/uncontested/b/hospital-de-especialidades-fuerzas-armadas-no-1-2/"
      },
      {
        "name": "HOSPITAL DE ESPECIALIDADES JOSÉ CARRASCO ARTEAGA",
        "url": "https://assay-systems.com/register/ec/uncontested/b/hospital-de-especialidades-jose-carrasco-arteaga/"
      },
      {
        "name": "CENTRO DE ESPECIALIDADES CENTRAL CUENCA",
        "url": "https://assay-systems.com/register/ec/uncontested/b/centro-de-especialidades-central-cuenca/"
      },
      {
        "name": "All countries",
        "url": "https://assay-systems.com/register/uncontested/"
      }
    ],
    "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/"
  }
}