{
  "api": "assay-systems/v1",
  "key_tier": "none",
  "retrieved": "2026-10-18T02:49:35Z",
  "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-18UP4IM0UO",
    "type": "page",
    "country": "ec",
    "name": "CONSTRUCTORA MAIVEDU S. A: public contracts won without a rival in Ecuador",
    "url": "https://assay-systems.com/register/ec/uncontested/s/constructora-maivedu-s-a/",
    "figures": [
      {
        "label": "uncontested awards",
        "value": 7,
        "unit": "count"
      },
      {
        "label": "of its awards",
        "value": 64,
        "unit": "percent",
        "display": "64%"
      },
      {
        "label": "without a competition",
        "value": 0,
        "unit": "count"
      },
      {
        "label": "single bid",
        "value": 7,
        "unit": "count"
      }
    ],
    "text": [
      "CONSTRUCTORA MAIVEDU S. A won 7 of its 11 public contract awards in Ecuador without a rival from 2019-11-05 to 2022-11-08: 0 without a competition and 7 after a competition that drew a single bid. 1 buyer awarded it without a rival, the largest GOBIERNO AUTONOMO DESCENTRALIZADO MUNICIPAL DE ATACAMES with 7."
    ],
    "tables": [
      [
        {},
        {
          "Date": "2022-11-08",
          "Buyer": "GOBIERNO AUTONOMO DESCENTRALIZADO MUNICIPAL DE ATACAMES ocds-5wno2w-SIE-GADMA-0008-2022-20080",
          "Buyer link": "https://assay-systems.com/register/ec/uncontested/b/gobierno-autonomo-descentralizado-municipal-de-atacames-2/",
          "How": "Single bid open",
          "Stated reason": "Subasta Inversa Electrónica"
        },
        {
          "Date": "2022-09-21",
          "Buyer": "GOBIERNO AUTONOMO DESCENTRALIZADO MUNICIPAL DE ATACAMES ocds-5wno2w-MCO-GADMA-0002-2022-20080",
          "Buyer link": "https://assay-systems.com/register/ec/uncontested/b/gobierno-autonomo-descentralizado-municipal-de-atacames-2/",
          "How": "Single bid selective",
          "Stated reason": "Menor Cuantía"
        },
        {
          "Date": "2021-11-30",
          "Buyer": "GOBIERNO AUTONOMO DESCENTRALIZADO MUNICIPAL DE ATACAMES ocds-5wno2w-SIE-GADMA-00015-2021-20080",
          "Buyer link": "https://assay-systems.com/register/ec/uncontested/b/gobierno-autonomo-descentralizado-municipal-de-atacames-2/",
          "How": "Single bid open",
          "Stated reason": "Subasta Inversa Electrónica"
        },
        {
          "Date": "2021-03-09",
          "Buyer": "GOBIERNO AUTONOMO DESCENTRALIZADO MUNICIPAL DE ATACAMES ocds-5wno2w-MCO-0002-GADMA-2021-20080",
          "Buyer link": "https://assay-systems.com/register/ec/uncontested/b/gobierno-autonomo-descentralizado-municipal-de-atacames-2/",
          "How": "Single bid selective",
          "Stated reason": "Menor Cuantía"
        },
        {
          "Date": "2021-01-18",
          "Buyer": "GOBIERNO AUTONOMO DESCENTRALIZADO MUNICIPAL DE ATACAMES ocds-5wno2w-MCS-GADMA-002A-2020-20080",
          "Buyer link": "https://assay-systems.com/register/ec/uncontested/b/gobierno-autonomo-descentralizado-municipal-de-atacames-2/",
          "How": "Single bid selective",
          "Stated reason": "Menor Cuantía"
        },
        {
          "Date": "2020-12-17",
          "Buyer": "GOBIERNO AUTONOMO DESCENTRALIZADO MUNICIPAL DE ATACAMES ocds-5wno2w-MCO-GADMA-004A-2020-20080",
          "Buyer link": "https://assay-systems.com/register/ec/uncontested/b/gobierno-autonomo-descentralizado-municipal-de-atacames-2/",
          "How": "Single bid selective",
          "Stated reason": "Menor Cuantía"
        }
      ]
    ],
    "records": [
      {
        "name": "all of Ecuador",
        "url": "https://assay-systems.com/register/ec/uncontested/"
      },
      {
        "name": "GOBIERNO AUTONOMO DESCENTRALIZADO MUNICIPAL DE ATACAMES",
        "url": "https://assay-systems.com/register/ec/uncontested/b/gobierno-autonomo-descentralizado-municipal-de-atacames-2/"
      },
      {
        "name": "All countries",
        "url": "https://assay-systems.com/register/uncontested/"
      }
    ],
    "assay_record": "ASY-EC-18UP4IM0UO",
    "cite_as": "Assay Systems, \"CONSTRUCTORA MAIVEDU S. A: public contracts won without a rival in Ecuador\", https://assay-systems.com/register/ec/uncontested/s/constructora-maivedu-s-a/"
  }
}