{
  "api": "assay-systems/v1",
  "key_tier": "none",
  "retrieved": "2026-10-18T02:51:12Z",
  "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-12PK2B70BH",
    "type": "page",
    "country": "co",
    "name": "Constructora Excelsior SAS: public contracts won without a rival in Colombia",
    "url": "https://assay-systems.com/register/co/uncontested/s/constructora-excelsior-sas/",
    "figures": [
      {
        "label": "uncontested awards",
        "value": 12,
        "unit": "count"
      },
      {
        "label": "of its awards",
        "value": 80,
        "unit": "percent",
        "display": "80%"
      },
      {
        "label": "without a competition",
        "value": 12,
        "unit": "count"
      },
      {
        "label": "single bid",
        "value": 0,
        "unit": "count"
      }
    ],
    "text": [
      "Constructora Excelsior SAS won 12 of its 15 public contract awards in Colombia without a rival from 2023-06-02 to 2026-09-15: 12 without a competition and 0 after a competition that drew a single bid. 3 buyers awarded it without a rival, the largest EMPRESA DE DESARROLLO URBANO Y RURAL TAMESIS with 9."
    ],
    "tables": [
      [
        {},
        {
          "Date": "2026-09-15",
          "Buyer": "FONDO DE DESARROLLO SOCIAL DE EL RETIRO CO1.PCCNTR.9944068",
          "Buyer link": "https://assay-systems.com/register/co/uncontested/b/fondo-de-desarrollo-social-de-el-retiro/",
          "How": "No competition Contratación régimen especial",
          "Stated reason": "Decreto 092 de 2017"
        },
        {
          "Date": "2026-02-07",
          "Buyer": "EMPRESA DE DESARROLLO URBANO Y RURAL TAMESIS CO1.PCCNTR.9326740",
          "Buyer link": "https://assay-systems.com/register/co/uncontested/b/empresa-de-desarrollo-urbano-y-rural-tamesis/",
          "How": "No competition Contratación régimen especial",
          "Stated reason": "Regla aplicable"
        },
        {
          "Date": "2025-11-27",
          "Buyer": "EMPRESA DE DESARROLLO URBANO Y RURAL TAMESIS CO1.PCCNTR.8647642",
          "Buyer link": "https://assay-systems.com/register/co/uncontested/b/empresa-de-desarrollo-urbano-y-rural-tamesis/",
          "How": "No competition Contratación régimen especial",
          "Stated reason": "Regla aplicable"
        },
        {
          "Date": "2025-10-30",
          "Buyer": "EMPRESA DE DESARROLLO URBANO Y RURAL TAMESIS CO1.PCCNTR.8515867",
          "Buyer link": "https://assay-systems.com/register/co/uncontested/b/empresa-de-desarrollo-urbano-y-rural-tamesis/",
          "How": "No competition Contratación régimen especial",
          "Stated reason": "Regla aplicable"
        },
        {
          "Date": "2025-07-28",
          "Buyer": "EMPRESA DE DESARROLLO URBANO Y RURAL TAMESIS CO1.PCCNTR.8128565",
          "Buyer link": "https://assay-systems.com/register/co/uncontested/b/empresa-de-desarrollo-urbano-y-rural-tamesis/",
          "How": "No competition Contratación régimen especial",
          "Stated reason": "Regla aplicable"
        },
        {
          "Date": "2025-07-24",
          "Buyer": "EMPRESA DE DESARROLLO URBANO Y RURAL TAMESIS CO1.PCCNTR.8123445",
          "Buyer link": "https://assay-systems.com/register/co/uncontested/b/empresa-de-desarrollo-urbano-y-rural-tamesis/",
          "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/constructora-excelsior-sas/"
      },
      {
        "name": "EMPRESA DE DESARROLLO URBANO Y RURAL TAMESIS",
        "url": "https://assay-systems.com/register/co/uncontested/b/empresa-de-desarrollo-urbano-y-rural-tamesis/"
      },
      {
        "name": "FONDO DE DESARROLLO SOCIAL DE EL RETIRO",
        "url": "https://assay-systems.com/register/co/uncontested/b/fondo-de-desarrollo-social-de-el-retiro/"
      },
      {
        "name": "Empresa de Desarrollo Urbano de La Ceja",
        "url": "https://assay-systems.com/register/co/uncontested/b/empresa-de-desarrollo-urbano-de-la-ceja/"
      },
      {
        "name": "All countries",
        "url": "https://assay-systems.com/register/uncontested/"
      }
    ],
    "assay_record": "ASY-CO-12PK2B70BH",
    "cite_as": "Assay Systems, \"Constructora Excelsior SAS: public contracts won without a rival in Colombia\", https://assay-systems.com/register/co/uncontested/s/constructora-excelsior-sas/"
  }
}