{
  "api": "assay-systems/v1",
  "key_tier": "none",
  "retrieved": "2026-10-18T02:32:54Z",
  "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-CO-1NA2Z710M9",
    "type": "page",
    "country": "co",
    "name": "CASTRO E HIJOS LIMITADA: public contracts won without a rival in Colombia",
    "url": "https://assay-systems.com/register/co/uncontested/s/castro-e-hijos-limitada/",
    "figures": [
      {
        "label": "uncontested awards",
        "value": 7,
        "unit": "count"
      },
      {
        "label": "of its awards",
        "value": 47,
        "unit": "percent",
        "display": "47%"
      },
      {
        "label": "without a competition",
        "value": 7,
        "unit": "count"
      },
      {
        "label": "single bid",
        "value": 0,
        "unit": "count"
      }
    ],
    "text": [
      "CASTRO E HIJOS LIMITADA won 7 of its 15 public contract awards in Colombia without a rival from 2024-08-26 to 2026-09-11: 7 without a competition and 0 after a competition that drew a single bid. 3 buyers awarded it without a rival, the largest E.S.E HOSPITAL SANTO DOMINGO SAVIO with 4."
    ],
    "tables": [
      [
        {},
        {
          "Date": "2026-09-11",
          "Buyer": "E.S.E HOSPITAL SANTO DOMINGO SAVIO CO1.PCCNTR.9933518",
          "Buyer link": "https://assay-systems.com/register/co/uncontested/b/e-s-e-hospital-santo-domingo-savio/",
          "How": "No competition Contratación régimen especial",
          "Stated reason": "Regla aplicable"
        },
        {
          "Date": "2026-03-06",
          "Buyer": "ESE UCATA CHARTA CO1.PCCNTR.9370119",
          "Buyer link": "https://assay-systems.com/register/co/uncontested/b/ese-ucata-charta/",
          "How": "No competition Contratación régimen especial",
          "Stated reason": "Regla aplicable"
        },
        {
          "Date": "2026-01-06",
          "Buyer": "E.S.E HOSPITAL SANTO DOMINGO SAVIO CO1.PCCNTR.8772869",
          "Buyer link": "https://assay-systems.com/register/co/uncontested/b/e-s-e-hospital-santo-domingo-savio/",
          "How": "No competition Contratación régimen especial",
          "Stated reason": "Regla aplicable"
        },
        {
          "Date": "2025-09-19",
          "Buyer": "E.S.E HOSPITAL SANTO DOMINGO SAVIO CO1.PCCNTR.8346969",
          "Buyer link": "https://assay-systems.com/register/co/uncontested/b/e-s-e-hospital-santo-domingo-savio/",
          "How": "No competition Contratación régimen especial",
          "Stated reason": "Regla aplicable"
        },
        {
          "Date": "2025-09-12",
          "Buyer": "ESE UCATA CHARTA CO1.PCCNTR.8286255",
          "Buyer link": "https://assay-systems.com/register/co/uncontested/b/ese-ucata-charta/",
          "How": "No competition Contratación régimen especial",
          "Stated reason": "Regla aplicable"
        },
        {
          "Date": "2025-01-20",
          "Buyer": "E.S.E HOSPITAL SANTO DOMINGO SAVIO CO1.PCCNTR.7285596",
          "Buyer link": "https://assay-systems.com/register/co/uncontested/b/e-s-e-hospital-santo-domingo-savio/",
          "How": "No competition Contratación régimen especial",
          "Stated reason": "Regla aplicable"
        }
      ]
    ],
    "records": [
      {
        "name": "all of Colombia",
        "url": "https://assay-systems.com/register/co/uncontested/"
      },
      {
        "name": "record in the register",
        "url": "https://assay-systems.com/register/co/castro-e-hijos-limitada/"
      },
      {
        "name": "E.S.E HOSPITAL SANTO DOMINGO SAVIO",
        "url": "https://assay-systems.com/register/co/uncontested/b/e-s-e-hospital-santo-domingo-savio/"
      },
      {
        "name": "ESE UCATA CHARTA",
        "url": "https://assay-systems.com/register/co/uncontested/b/ese-ucata-charta/"
      },
      {
        "name": "EMPRESA MUNICIPAL DE SERVICIOS PÚBLICOS DE RIONEGRO",
        "url": "https://assay-systems.com/register/co/uncontested/b/empresa-municipal-de-servicios-publicos-de-rionegro/"
      },
      {
        "name": "All uncontested awards of ALCALDIA MUNICIPIO DE RIONEGRO",
        "url": "https://assay-systems.com/register/co/uncontested/b/alcaldia-municipio-de-rionegro/"
      },
      {
        "name": "All countries",
        "url": "https://assay-systems.com/register/uncontested/"
      }
    ],
    "assay_record": "ASY-CO-1NA2Z710M9",
    "cite_as": "Assay Systems, \"CASTRO E HIJOS LIMITADA: public contracts won without a rival in Colombia\", https://assay-systems.com/register/co/uncontested/s/castro-e-hijos-limitada/"
  }
}