{
  "api": "assay-systems/v1",
  "key_tier": "none",
  "retrieved": "2026-10-18T11:37:01Z",
  "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-PY-05FTCJT04T",
    "type": "page",
    "country": "py",
    "name": "PREVENCION S.R.L: public contracts won without a rival in Paraguay",
    "url": "https://assay-systems.com/register/py/uncontested/s/prevencion-s-r-l/",
    "figures": [
      {
        "label": "uncontested awards",
        "value": 13,
        "unit": "count"
      },
      {
        "label": "of its awards",
        "value": 32,
        "unit": "percent",
        "display": "32%"
      },
      {
        "label": "without a competition",
        "value": 0,
        "unit": "count"
      },
      {
        "label": "single bid",
        "value": 13,
        "unit": "count"
      }
    ],
    "text": [
      "PREVENCION S.R.L won 13 of its 40 public contract awards in Paraguay without a rival from 2016-06-21 to 2025-07-22: 0 without a competition and 13 after a competition that drew a single bid. 4 buyers awarded it without a rival, the largest Universidad Nacional de Asunción (UNA) with 5."
    ],
    "tables": [
      [
        {},
        {
          "Date": "2025-07-22",
          "Buyer": "Universidad Nacional de Asunción (UNA) ocds-03ad3f-466381-1",
          "Buyer link": "https://assay-systems.com/register/py/uncontested/b/universidad-nacional-de-asuncion-una/",
          "How": "Single bid open",
          "Stated reason": "Licitación Pública Nacional"
        },
        {
          "Date": "2021-12-09",
          "Buyer": "Universidad Nacional de Asunción (UNA) ocds-03ad3f-403433-1",
          "Buyer link": "https://assay-systems.com/register/py/uncontested/b/universidad-nacional-de-asuncion-una/",
          "How": "Single bid open",
          "Stated reason": "Licitación Pública Nacional"
        },
        {
          "Date": "2019-12-26",
          "Buyer": "Universidad Nacional de Asunción (UNA) ocds-03ad3f-373404-1",
          "Buyer link": "https://assay-systems.com/register/py/uncontested/b/universidad-nacional-de-asuncion-una/",
          "How": "Single bid open",
          "Stated reason": "Concurso de Ofertas"
        },
        {
          "Date": "2019-11-26",
          "Buyer": "Instituto Nacional de Cooperativismo (INCOOP) ocds-03ad3f-358548-1",
          "Buyer link": "https://assay-systems.com/register/py/uncontested/b/instituto-nacional-de-cooperativismo-incoop/",
          "How": "Single bid open",
          "Stated reason": "Concurso de Ofertas"
        },
        {
          "Date": "2018-12-12",
          "Buyer": "Universidad Nacional de Asunción (UNA) ocds-03ad3f-352821-1",
          "Buyer link": "https://assay-systems.com/register/py/uncontested/b/universidad-nacional-de-asuncion-una/",
          "How": "Single bid open",
          "Stated reason": "Concurso de Ofertas"
        },
        {
          "Date": "2018-11-29",
          "Buyer": "Instituto Nacional de Cooperativismo (INCOOP) ocds-03ad3f-344880-1",
          "Buyer link": "https://assay-systems.com/register/py/uncontested/b/instituto-nacional-de-cooperativismo-incoop/",
          "How": "Single bid open",
          "Stated reason": "Concurso de Ofertas"
        }
      ]
    ],
    "records": [
      {
        "name": "all of Paraguay",
        "url": "https://assay-systems.com/register/py/uncontested/"
      },
      {
        "name": "record in the register",
        "url": "https://assay-systems.com/register/py/prevencion-s-r-l/"
      },
      {
        "name": "Universidad Nacional de Asunción (UNA)",
        "url": "https://assay-systems.com/register/py/uncontested/b/universidad-nacional-de-asuncion-una/"
      },
      {
        "name": "Instituto Nacional de Cooperativismo (INCOOP)",
        "url": "https://assay-systems.com/register/py/uncontested/b/instituto-nacional-de-cooperativismo-incoop/"
      },
      {
        "name": "Municipalidad de Asunción",
        "url": "https://assay-systems.com/register/py/uncontested/b/municipalidad-de-asuncion/"
      },
      {
        "name": "Presidencia de la República",
        "url": "https://assay-systems.com/register/py/uncontested/b/presidencia-de-la-republica/"
      },
      {
        "name": "All countries",
        "url": "https://assay-systems.com/register/uncontested/"
      }
    ],
    "assay_record": "ASY-PY-05FTCJT04T",
    "cite_as": "Assay Systems, \"PREVENCION S.R.L: public contracts won without a rival in Paraguay\", https://assay-systems.com/register/py/uncontested/s/prevencion-s-r-l/"
  }
}