{
  "api": "assay-systems/v1",
  "key_tier": "none",
  "retrieved": "2026-10-18T06:02:02Z",
  "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-0LHHRN0051",
    "type": "page",
    "country": "py",
    "name": "MARE PARAGUAY S.A: public contracts won without a rival in Paraguay",
    "url": "https://assay-systems.com/register/py/uncontested/s/mare-paraguay-s-a/",
    "figures": [
      {
        "label": "uncontested awards",
        "value": 19,
        "unit": "count"
      },
      {
        "label": "of its awards",
        "value": 68,
        "unit": "percent",
        "display": "68%"
      },
      {
        "label": "without a competition",
        "value": 1,
        "unit": "count"
      },
      {
        "label": "single bid",
        "value": 18,
        "unit": "count"
      }
    ],
    "text": [
      "MARE PARAGUAY S.A won 19 of its 28 public contract awards in Paraguay without a rival from 2019-05-28 to 2025-11-10: 1 without a competition and 18 after a competition that drew a single bid. 4 buyers awarded it without a rival, the largest Ministerio de Salud Pública y Bienestar Social (MSPBS) with 11."
    ],
    "tables": [
      [
        {},
        {
          "Date": "2025-06-10",
          "Buyer": "Instituto de Previsión Social (IPS) ocds-03ad3f-463180-1",
          "Buyer link": "https://assay-systems.com/register/py/uncontested/b/instituto-de-prevision-social-ips/",
          "How": "Single bid open",
          "Stated reason": "Licitación Pública Nacional"
        },
        {
          "Date": "2024-11-12",
          "Buyer": "Instituto de Previsión Social (IPS) ocds-03ad3f-451533-1",
          "Buyer link": "https://assay-systems.com/register/py/uncontested/b/instituto-de-prevision-social-ips/",
          "How": "Single bid open",
          "Stated reason": "Licitación Pública Nacional"
        },
        {
          "Date": "2024-10-29",
          "Buyer": "Ministerio de Salud Pública y Bienestar Social (MSPBS) ocds-03ad3f-438806-1",
          "Buyer link": "https://assay-systems.com/register/py/uncontested/b/ministerio-de-salud-publica-y-bienestar-social-mspbs/",
          "How": "Single bid open",
          "Stated reason": "Licitación Pública Nacional"
        },
        {
          "Date": "2024-06-27",
          "Buyer": "Ministerio de Salud Pública y Bienestar Social (MSPBS) ocds-03ad3f-438935-1",
          "Buyer link": "https://assay-systems.com/register/py/uncontested/b/ministerio-de-salud-publica-y-bienestar-social-mspbs/",
          "How": "Single bid open",
          "Stated reason": "Concurso de Ofertas"
        },
        {
          "Date": "2023-09-28",
          "Buyer": "Ministerio de Salud Pública y Bienestar Social (MSPBS) ocds-03ad3f-428656-1",
          "Buyer link": "https://assay-systems.com/register/py/uncontested/b/ministerio-de-salud-publica-y-bienestar-social-mspbs/",
          "How": "Single bid open",
          "Stated reason": "Licitación Pública Nacional"
        },
        {
          "Date": "2022-11-24",
          "Buyer": "Ministerio de Salud Pública y Bienestar Social (MSPBS) ocds-03ad3f-417101-1",
          "Buyer link": "https://assay-systems.com/register/py/uncontested/b/ministerio-de-salud-publica-y-bienestar-social-mspbs/",
          "How": "Single bid open",
          "Stated reason": "Licitación Pública Nacional"
        }
      ]
    ],
    "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/mare-paraguay-s-a/"
      },
      {
        "name": "Ministerio de Salud Pública y Bienestar Social (MSPBS)",
        "url": "https://assay-systems.com/register/py/uncontested/b/ministerio-de-salud-publica-y-bienestar-social-mspbs/"
      },
      {
        "name": "Instituto de Previsión Social (IPS)",
        "url": "https://assay-systems.com/register/py/uncontested/b/instituto-de-prevision-social-ips/"
      },
      {
        "name": "Gobierno Departamental de Caaguazú (CAAGUAZÚ)",
        "url": "https://assay-systems.com/register/py/uncontested/b/gobierno-departamental-de-caaguazu-caaguazu/"
      },
      {
        "name": "Universidad Nacional de Asunción (UNA)",
        "url": "https://assay-systems.com/register/py/uncontested/b/universidad-nacional-de-asuncion-una/"
      },
      {
        "name": "All countries",
        "url": "https://assay-systems.com/register/uncontested/"
      }
    ],
    "assay_record": "ASY-PY-0LHHRN0051",
    "cite_as": "Assay Systems, \"MARE PARAGUAY S.A: public contracts won without a rival in Paraguay\", https://assay-systems.com/register/py/uncontested/s/mare-paraguay-s-a/"
  }
}