{
  "api": "assay-systems/v1",
  "key_tier": "none",
  "retrieved": "2026-10-18T03:39:04Z",
  "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-CL-0ENMBR419N",
    "type": "page",
    "country": "cl",
    "name": "CONSTRUCTORA AMB LIMITADA: public contracts won without a rival in Chile",
    "url": "https://assay-systems.com/register/cl/uncontested/s/constructora-amb-limitada/",
    "figures": [
      {
        "label": "uncontested awards",
        "value": 6,
        "unit": "count"
      },
      {
        "label": "of its awards",
        "value": 35,
        "unit": "percent",
        "display": "35%"
      },
      {
        "label": "without a competition",
        "value": 4,
        "unit": "count"
      },
      {
        "label": "single bid",
        "value": 2,
        "unit": "count"
      }
    ],
    "text": [
      "CONSTRUCTORA AMB LIMITADA won 6 of its 17 public contract awards in Chile without a rival from 2024-05-02 to 2026-03-06: 4 without a competition and 2 after a competition that drew a single bid. 4 buyers awarded it without a rival, the largest SERV SALUD METROPOLITANO CENTRAL HOSPITAL CLINICO SAN BORJA ARRIARAN with 3."
    ],
    "tables": [
      [
        {},
        {
          "Date": "2026-03-06",
          "Buyer": "SERV SALUD METROPOLITANO CENTRAL HOSPITAL CLINICO SAN BORJA ARRIARAN CL-54400481",
          "Buyer link": "https://assay-systems.com/register/cl/uncontested/b/serv-salud-metropolitano-central-hospital-clinico-san-borja-arriaran/",
          "How": "No competition direct",
          "Stated reason": "Emergencia, urgencia o imprevisto"
        },
        {
          "Date": "2025-08-14",
          "Buyer": "SERV SALUD METROPOLITANO CENTRAL HOSPITAL CLINICO SAN BORJA ARRIARAN CL-53259104",
          "Buyer link": "https://assay-systems.com/register/cl/uncontested/b/serv-salud-metropolitano-central-hospital-clinico-san-borja-arriaran/",
          "How": "No competition direct",
          "Stated reason": "Emergencia, urgencia o imprevisto"
        },
        {
          "Date": "2025-06-19",
          "Buyer": "HOSPITAL ORIENTE DR LUIS TISNE BROUSSE CL-52927186",
          "Buyer link": "https://assay-systems.com/register/cl/uncontested/b/hospital-oriente-dr-luis-tisne-brousse/",
          "How": "No competition direct",
          "Stated reason": "Costo de evaluación desproporcionado, y por monto de contratación inferior a 100 UTM"
        },
        {
          "Date": "2024-09-27",
          "Buyer": "CORP MUNICIPAL DE RENCA CL-51256015",
          "Buyer link": "https://assay-systems.com/register/cl/uncontested/b/corp-municipal-de-renca/",
          "How": "No competition direct",
          "Stated reason": "—"
        },
        {
          "Date": "2024-09-17",
          "Buyer": "I MUNICIPALIDAD DE VITACURA CL-9383329",
          "Buyer link": "https://assay-systems.com/register/cl/uncontested/b/municipalidad-de-vitacura/",
          "How": "Single bid Licitación Pública entre a 2000 y 5000 UTM (LQ)",
          "Stated reason": "—"
        },
        {
          "Date": "2024-08-07",
          "Buyer": "SERV SALUD METROPOLITANO CENTRAL HOSPITAL CLINICO SAN BORJA ARRIARAN CL-9396868",
          "Buyer link": "https://assay-systems.com/register/cl/uncontested/b/serv-salud-metropolitano-central-hospital-clinico-san-borja-arriaran/",
          "How": "Single bid Licitación Pública Entre 100 y 1000 UTM (LE)",
          "Stated reason": "—"
        }
      ]
    ],
    "records": [
      {
        "name": "all of Chile",
        "url": "https://assay-systems.com/register/cl/uncontested/"
      },
      {
        "name": "record in the register",
        "url": "https://assay-systems.com/register/cl/constructora-amb-limitada/"
      },
      {
        "name": "SERV SALUD METROPOLITANO CENTRAL HOSPITAL CLINICO SAN BORJA ARRIARAN",
        "url": "https://assay-systems.com/register/cl/uncontested/b/serv-salud-metropolitano-central-hospital-clinico-san-borja-arriaran/"
      },
      {
        "name": "I MUNICIPALIDAD DE VITACURA",
        "url": "https://assay-systems.com/register/cl/uncontested/b/municipalidad-de-vitacura/"
      },
      {
        "name": "CORP MUNICIPAL DE RENCA",
        "url": "https://assay-systems.com/register/cl/uncontested/b/corp-municipal-de-renca/"
      },
      {
        "name": "HOSPITAL ORIENTE DR LUIS TISNE BROUSSE",
        "url": "https://assay-systems.com/register/cl/uncontested/b/hospital-oriente-dr-luis-tisne-brousse/"
      },
      {
        "name": "All countries",
        "url": "https://assay-systems.com/register/uncontested/"
      }
    ],
    "assay_record": "ASY-CL-0ENMBR419N",
    "cite_as": "Assay Systems, \"CONSTRUCTORA AMB LIMITADA: public contracts won without a rival in Chile\", https://assay-systems.com/register/cl/uncontested/s/constructora-amb-limitada/"
  }
}