{
  "api": "assay-systems/v1",
  "key_tier": "none",
  "retrieved": "2026-10-18T11:33:46Z",
  "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-0QTBTGR1I3",
    "type": "page",
    "country": "ec",
    "name": "PROOFCHEMICAL S.A: public contracts won without a rival in Ecuador",
    "url": "https://assay-systems.com/register/ec/uncontested/s/proofchemical-s-a/",
    "figures": [
      {
        "label": "uncontested awards",
        "value": 9,
        "unit": "count"
      },
      {
        "label": "of its awards",
        "value": 39,
        "unit": "percent",
        "display": "39%"
      },
      {
        "label": "without a competition",
        "value": 2,
        "unit": "count"
      },
      {
        "label": "single bid",
        "value": 7,
        "unit": "count"
      }
    ],
    "text": [
      "PROOFCHEMICAL S.A won 9 of its 23 public contract awards in Ecuador without a rival from 2016-01-13 to 2026-01-22: 2 without a competition and 7 after a competition that drew a single bid. 4 buyers awarded it without a rival, the largest Empresa Pública de hidrocarburos del Ecuador EP PETROECUADOR with 5."
    ],
    "tables": [
      [
        {},
        {
          "Date": "2026-01-22",
          "Buyer": "ACERIAS NACIONALES DEL ECUADOR SOCIEDAD ANONIMA (A.N.D.E.C.) ocds-5wno2w-LICS-ANDEC-2025-003-467908",
          "Buyer link": "https://assay-systems.com/register/ec/uncontested/b/acerias-nacionales-del-ecuador-sociedad-anonima-a-n-d-e-c-2/",
          "How": "Single bid open",
          "Stated reason": "Licitación"
        },
        {
          "Date": "2024-09-05",
          "Buyer": "ACERIAS NACIONALES DEL ECUADOR SOCIEDAD ANONIMA (A.N.D.E.C.) ocds-5wno2w-COTS-ANDEC-2024-002-467908",
          "Buyer link": "https://assay-systems.com/register/ec/uncontested/b/acerias-nacionales-del-ecuador-sociedad-anonima-a-n-d-e-c-2/",
          "How": "Single bid open",
          "Stated reason": "Cotización"
        },
        {
          "Date": "2023-12-19",
          "Buyer": "Empresa Pública de hidrocarburos del Ecuador EP PETROECUADOR ocds-5wno2w-LICS-EPP-2023-021-253178",
          "Buyer link": "https://assay-systems.com/register/ec/uncontested/b/empresa-publica-de-hidrocarburos-del-ecuador-ep-petroecuador-2/",
          "How": "Single bid open",
          "Stated reason": "Licitación"
        },
        {
          "Date": "2023-09-26",
          "Buyer": "Empresa Pública de hidrocarburos del Ecuador EP PETROECUADOR ocds-5wno2w-SIE-EPP-323-2023-253178",
          "Buyer link": "https://assay-systems.com/register/ec/uncontested/b/empresa-publica-de-hidrocarburos-del-ecuador-ep-petroecuador-2/",
          "How": "Single bid open",
          "Stated reason": "Subasta Inversa Electrónica"
        },
        {
          "Date": "2023-07-25",
          "Buyer": "Empresa Pública de hidrocarburos del Ecuador EP PETROECUADOR ocds-5wno2w-SIE-EPP-147-2023-253178",
          "Buyer link": "https://assay-systems.com/register/ec/uncontested/b/empresa-publica-de-hidrocarburos-del-ecuador-ep-petroecuador-2/",
          "How": "Single bid open",
          "Stated reason": "Subasta Inversa Electrónica"
        },
        {
          "Date": "2020-02-17",
          "Buyer": "Empresa Pública de hidrocarburos del Ecuador EP PETROECUADOR ocds-5wno2w-SIE-EPP-2018886-19-253178",
          "Buyer link": "https://assay-systems.com/register/ec/uncontested/b/empresa-publica-de-hidrocarburos-del-ecuador-ep-petroecuador-2/",
          "How": "Single bid open",
          "Stated reason": "Subasta Inversa Electrónica"
        }
      ]
    ],
    "records": [
      {
        "name": "all of Ecuador",
        "url": "https://assay-systems.com/register/ec/uncontested/"
      },
      {
        "name": "Empresa Pública de hidrocarburos del Ecuador EP PETROECUADOR",
        "url": "https://assay-systems.com/register/ec/uncontested/b/empresa-publica-de-hidrocarburos-del-ecuador-ep-petroecuador-2/"
      },
      {
        "name": "ACERIAS NACIONALES DEL ECUADOR SOCIEDAD ANONIMA (A.N.D.E.C.)",
        "url": "https://assay-systems.com/register/ec/uncontested/b/acerias-nacionales-del-ecuador-sociedad-anonima-a-n-d-e-c-2/"
      },
      {
        "name": "CORPORACION ELECTRICA DEL ECUADOR CELEC EP",
        "url": "https://assay-systems.com/register/ec/uncontested/b/corporacion-electrica-del-ecuador-celec-ep-26/"
      },
      {
        "name": "CORPORACION ELECTRICA DEL ECUADOR CELEC EP",
        "url": "https://assay-systems.com/register/ec/uncontested/b/corporacion-electrica-del-ecuador-celec-ep-6/"
      },
      {
        "name": "All countries",
        "url": "https://assay-systems.com/register/uncontested/"
      }
    ],
    "assay_record": "ASY-EC-0QTBTGR1I3",
    "cite_as": "Assay Systems, \"PROOFCHEMICAL S.A: public contracts won without a rival in Ecuador\", https://assay-systems.com/register/ec/uncontested/s/proofchemical-s-a/"
  }
}